/*
* GK20A Graphics
*
* Copyright (c) 2011-2014, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include <linux/delay.h> /* for udelay */
#include <linux/mm.h> /* for totalram_pages */
#include <linux/scatterlist.h>
#include <linux/tegra-soc.h>
#include <uapi/linux/nvgpu.h>
#include <linux/vmalloc.h>
#include <linux/dma-mapping.h>
#include <linux/firmware.h>
#include <linux/nvhost.h>
#include "gk20a.h"
#include "kind_gk20a.h"
#include "gr_ctx_gk20a.h"
#include "hw_ccsr_gk20a.h"
#include "hw_ctxsw_prog_gk20a.h"
#include "hw_fifo_gk20a.h"
#include "hw_gr_gk20a.h"
#include "hw_gmmu_gk20a.h"
#include "hw_mc_gk20a.h"
#include "hw_ram_gk20a.h"
#include "hw_pri_ringmaster_gk20a.h"
#include "hw_pri_ringstation_sys_gk20a.h"
#include "hw_pri_ringstation_gpc_gk20a.h"
#include "hw_pri_ringstation_fbp_gk20a.h"
#include "hw_proj_gk20a.h"
#include "hw_top_gk20a.h"
#include "hw_ltc_gk20a.h"
#include "hw_fb_gk20a.h"
#include "hw_therm_gk20a.h"
#include "hw_pbdma_gk20a.h"
#include "gr_pri_gk20a.h"
#include "regops_gk20a.h"
#include "dbg_gpu_gk20a.h"
#include "semaphore_gk20a.h"
#define BLK_SIZE (256)
static int gr_gk20a_commit_inst(struct channel_gk20a *c, u64 gpu_va);
/* global ctx buffer */
static int gr_gk20a_alloc_global_ctx_buffers(struct gk20a *g);
static void gr_gk20a_free_global_ctx_buffers(struct gk20a *g);
static int gr_gk20a_map_global_ctx_buffers(struct gk20a *g,
struct channel_gk20a *c);
static void gr_gk20a_unmap_global_ctx_buffers(struct channel_gk20a *c);
/* channel gr ctx buffer */
static int gr_gk20a_alloc_channel_gr_ctx(struct gk20a *g,
struct channel_gk20a *c);
static void gr_gk20a_free_channel_gr_ctx(struct channel_gk20a *c);
/* channel patch ctx buffer */
static int gr_gk20a_alloc_channel_patch_ctx(struct gk20a *g,
struct channel_gk20a *c);
static void gr_gk20a_free_channel_patch_ctx(struct channel_gk20a *c);
/* golden ctx image */
static int gr_gk20a_init_golden_ctx_image(struct gk20a *g,
struct channel_gk20a *c);
void gk20a_fecs_dump_falcon_stats(struct gk20a *g)
{
int i;
gk20a_err(dev_from_gk20a(g), "gr_fecs_os_r : %d",
gk20a_readl(g, gr_fecs_os_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_cpuctl_r : 0x%x",
gk20a_readl(g, gr_fecs_cpuctl_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_idlestate_r : 0x%x",
gk20a_readl(g, gr_fecs_idlestate_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_mailbox0_r : 0x%x",
gk20a_readl(g, gr_fecs_mailbox0_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_mailbox1_r : 0x%x",
gk20a_readl(g, gr_fecs_mailbox1_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_irqstat_r : 0x%x",
gk20a_readl(g, gr_fecs_irqstat_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_irqmode_r : 0x%x",
gk20a_readl(g, gr_fecs_irqmode_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_irqmask_r : 0x%x",
gk20a_readl(g, gr_fecs_irqmask_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_irqdest_r : 0x%x",
gk20a_readl(g, gr_fecs_irqdest_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_debug1_r : 0x%x",
gk20a_readl(g, gr_fecs_debug1_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_debuginfo_r : 0x%x",
gk20a_readl(g, gr_fecs_debuginfo_r()));
for (i = 0; i < gr_fecs_ctxsw_mailbox__size_1_v(); i++)
gk20a_err(dev_from_gk20a(g), "gr_fecs_ctxsw_mailbox_r(%d) : 0x%x",
i, gk20a_readl(g, gr_fecs_ctxsw_mailbox_r(i)));
gk20a_err(dev_from_gk20a(g), "gr_fecs_engctl_r : 0x%x",
gk20a_readl(g, gr_fecs_engctl_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_curctx_r : 0x%x",
gk20a_readl(g, gr_fecs_curctx_r()));
gk20a_err(dev_from_gk20a(g), "gr_fecs_nxtctx_r : 0x%x",
gk20a_readl(g, gr_fecs_nxtctx_r()));
gk20a_writel(g, gr_fecs_icd_cmd_r(),
gr_fecs_icd_cmd_opc_rreg_f() |
gr_fecs_icd_cmd_idx_f(PMU_FALCON_REG_IMB));
gk20a_err(dev_from_gk20a(g), "FECS_FALCON_REG_IMB : 0x%x",
gk20a_readl(g, gr_fecs_icd_rdata_r()));
gk20a_writel(g, gr_fecs_icd_cmd_r(),
gr_fecs_icd_cmd_opc_rreg_f() |
gr_fecs_icd_cmd_idx_f(PMU_FALCON_REG_DMB));
gk20a_err(dev_from_gk20a(g), "FECS_FALCON_REG_DMB : 0x%x",
gk20a_readl(g, gr_fecs_icd_rdata_r()));
gk20a_writel(g, gr_fecs_icd_cmd_r(),
gr_fecs_icd_cmd_opc_rreg_f() |
gr_fecs_icd_cmd_idx_f(PMU_FALCON_REG_CSW));
gk20a_err(dev_from_gk20a(g), "FECS_FALCON_REG_CSW : 0x%x",
gk20a_readl(g, gr_fecs_icd_rdata_r()));
gk20a_writel(g, gr_fecs_icd_cmd_r(),
gr_fecs_icd_cmd_opc_rreg_f() |
gr_fecs_icd_cmd_idx_f(PMU_FALCON_REG_CTX));
gk20a_err(dev_from_gk20a(g), "FECS_FALCON_REG_CTX : 0x%x",
gk20a_readl(g, gr_fecs_icd_rdata_r()));
gk20a_writel(g, gr_fecs_icd_cmd_r(),
gr_fecs_icd_cmd_opc_rreg_f() |
gr_fecs_icd_cmd_idx_f(PMU_FALCON_REG_EXCI));
gk20a_err(dev_from_gk20a(g), "FECS_FALCON_REG_EXCI : 0x%x",
gk20a_readl(g, gr_fecs_icd_rdata_r()));
for (i = 0; i < 4; i++) {
gk20a_writel(g, gr_fecs_icd_cmd_r(),
gr_fecs_icd_cmd_opc_rreg_f() |
gr_fecs_icd_cmd_idx_f(PMU_FALCON_REG_PC));
gk20a_err(dev_from_gk20a(g), "FECS_FALCON_REG_PC : 0x%x",
gk20a_readl(g, gr_fecs_icd_rdata_r()));
gk20a_writel(g, gr_fecs_icd_cmd_r(),
gr_fecs_icd_cmd_opc_rreg_f() |
gr_fecs_icd_cmd_idx_f(PMU_FALCON_REG_SP));
gk20a_err(dev_from_gk20a(g), "FECS_FALCON_REG_SP : 0x%x",
gk20a_readl(g, gr_fecs_icd_rdata_r()));
}
}
static void gr_gk20a_load_falcon_dmem(struct gk20a *g)
{
u32 i, ucode_u32_size;
const u32 *ucode_u32_data;
u32 checksum;
gk20a_dbg_fn("");
gk20a_writel(g, gr_gpccs_dmemc_r(0), (gr_gpccs_dmemc_offs_f(0) |
gr_gpccs_dmemc_blk_f(0) |
gr_gpccs_dmemc_aincw_f(1)));
ucode_u32_size = g->gr.ctx_vars.ucode.gpccs.data.count;
ucode_u32_data = (const u32 *)g->gr.ctx_vars.ucode.gpccs.data.l;
for (i = 0, checksum = 0; i < ucode_u32_size; i++) {
gk20a_writel(g, gr_gpccs_dmemd_r(0), ucode_u32_data[i]);
checksum += ucode_u32_data[i];
}
gk20a_writel(g, gr_fecs_dmemc_r(0), (gr_fecs_dmemc_offs_f(0) |
gr_fecs_dmemc_blk_f(0) |
gr_fecs_dmemc_aincw_f(1)));
ucode_u32_size = g->gr.ctx_vars.ucode.fecs.data.count;
ucode_u32_data = (const u32 *)g->gr.ctx_vars.ucode.fecs.data.l;
for (i = 0, checksum = 0; i < ucode_u32_size; i++) {
gk20a_writel(g, gr_fecs_dmemd_r(0), ucode_u32_data[i]);
checksum += ucode_u32_data[i];
}
gk20a_dbg_fn("done");
}
static void gr_gk20a_load_falcon_imem(struct gk20a *g)
{
u32 cfg, fecs_imem_size, gpccs_imem_size, ucode_u32_size;
const u32 *ucode_u32_data;
u32 tag, i, pad_start, pad_end;
u32 checksum;
gk20a_dbg_fn("");
cfg = gk20a_readl(g, gr_fecs_cfg_r());
fecs_imem_size = gr_fecs_cfg_imem_sz_v(cfg);
cfg = gk20a_readl(g, gr_gpc0_cfg_r());
gpccs_imem_size = gr_gpc0_cfg_imem_sz_v(cfg);
/* Use the broadcast address to access all of the GPCCS units. */
gk20a_writel(g, gr_gpccs_imemc_r(0), (gr_gpccs_imemc_offs_f(0) |
gr_gpccs_imemc_blk_f(0) |
gr_gpccs_imemc_aincw_f(1)));
/* Setup the tags for the instruction memory. */
tag = 0;
gk20a_writel(g, gr_gpccs_imemt_r(0), gr_gpccs_imemt_tag_f(tag));
ucode_u32_size = g->gr.ctx_vars.ucode.gpccs.inst.count;
ucode_u32_data = (const u32 *)g->gr.ctx_vars.ucode.gpccs.inst.l;
for (i = 0, checksum = 0; i < ucode_u32_size; i++) {
if (i && ((i % (256/sizeof(u32))) == 0)) {
tag++;
gk20a_writel(g, gr_gpccs_imemt_r(0),
gr_gpccs_imemt_tag_f(tag));
}
gk20a_writel(g, gr_gpccs_imemd_r(0), ucode_u32_data[i]);
checksum += ucode_u32_data[i];
}
pad_start = i*4;
pad_end = pad_start+(256-pad_start%256)+256;
for (i = pad_start;
(i < gpccs_imem_size * 256) && (i < pad_end);
i += 4) {
if (i && ((i % 256) == 0)) {
tag++;
gk20a_writel(g, gr_gpccs_imemt_r(0),
gr_gpccs_imemt_tag_f(tag));
}
gk20a_writel(g, gr_gpccs_imemd_r(0), 0);
}
gk20a_writel(g, gr_fecs_imemc_r(0), (gr_fecs_imemc_offs_f(0) |
gr_fecs_imemc_blk_f(0) |
gr_fecs_imemc_aincw_f(1)));
/* Setup the tags for the instruction memory. */
tag = 0;
gk20a_writel(g, gr_fecs_imemt_r(0), gr_fecs_imemt_tag_f(tag));
ucode_u32_size = g->gr.ctx_vars.ucode.fecs.inst.count;
ucode_u32_data = (const u32 *)g->gr.ctx_vars.ucode.fecs.inst.l;
for (i = 0, checksum = 0; i < ucode_u32_size; i++) {
if (i && ((i % (256/sizeof(u32))) == 0)) {
tag++;
gk20a_writel(g, gr_fecs_imemt_r(0),
gr_fecs_imemt_tag_f(tag));
}
gk20a_writel(g, gr_fecs_imemd_r(0), ucode_u32_data[i]);
checksum += ucode_u32_data[i];
}
pad_start = i*4;
pad_end = pad_start+(256-pad_start%256)+256;
for (i = pad_start; (i < fecs_imem_size * 256) && i < pad_end; i += 4) {
if (i && ((i % 256) == 0)) {
tag++;
gk20a_writel(g, gr_fecs_imemt_r(0),
gr_fecs_imemt_tag_f(tag));
}
gk20a_writel(g, gr_fecs_imemd_r(0), 0);
}
}
static int gr_gk20a_wait_idle(struct gk20a *g, unsigned long end_jiffies,
u32 expect_delay)
{
u32 delay = expect_delay;
bool gr_enabled;
bool ctxsw_active;
bool gr_busy;
gk20a_dbg_fn("");
do {
/* fmodel: host gets fifo_engine_status(gr) from gr
only when gr_status is read */
gk20a_readl(g, gr_status_r());
gr_enabled = gk20a_readl(g, mc_enable_r()) &
mc_enable_pgraph_enabled_f();
ctxsw_active = gk20a_readl(g,
fifo_engine_status_r(ENGINE_GR_GK20A)) &
fifo_engine_status_ctxsw_in_progress_f();
gr_busy = gk20a_readl(g, gr_engine_status_r()) &
gr_engine_status_value_busy_f();
if (!gr_enabled || (!gr_busy && !ctxsw_active)) {
gk20a_dbg_fn("done");
return 0;
}
usleep_range(delay, delay * 2);
delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
} while (time_before(jiffies, end_jiffies)
|| !tegra_platform_is_silicon());
gk20a_err(dev_from_gk20a(g),
"timeout, ctxsw busy : %d, gr busy : %d",
ctxsw_active, gr_busy);
return -EAGAIN;
}
static int gr_gk20a_wait_fe_idle(struct gk20a *g, unsigned long end_jiffies,
u32 expect_delay)
{
u32 val;
u32 delay = expect_delay;
if (tegra_platform_is_linsim())
return 0;
gk20a_dbg_fn("");
do {
val = gk20a_readl(g, gr_status_r());
if (!gr_status_fe_method_upper_v(val) &&
!gr_status_fe_method_lower_v(val) &&
!gr_status_fe_gi_v(val)) {
gk20a_dbg_fn("done");
return 0;
}
usleep_range(delay, delay * 2);
delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
} while (time_before(jiffies, end_jiffies)
|| !tegra_platform_is_silicon());
gk20a_err(dev_from_gk20a(g),
"timeout, fe busy : %x", val);
return -EAGAIN;
}
static int gr_gk20a_ctx_reset(struct gk20a *g, u32 rst_mask)
{
u32 delay = GR_IDLE_CHECK_DEFAULT;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 reg;
gk20a_dbg_fn("");
if (!tegra_platform_is_linsim()) {
/* Force clocks on */
gk20a_writel(g, gr_fe_pwr_mode_r(),
gr_fe_pwr_mode_req_send_f() |
gr_fe_pwr_mode_mode_force_on_f());
/* Wait for the clocks to indicate that they are on */
do {
reg = gk20a_readl(g, gr_fe_pwr_mode_r());
if (gr_fe_pwr_mode_req_v(reg) ==
gr_fe_pwr_mode_req_done_v())
break;
usleep_range(delay, delay * 2);
delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
} while (time_before(jiffies, end_jiffies));
if (!time_before(jiffies, end_jiffies)) {
gk20a_err(dev_from_gk20a(g),
"failed to force the clocks on\n");
WARN_ON(1);
}
}
if (rst_mask) {
gk20a_writel(g, gr_fecs_ctxsw_reset_ctl_r(), rst_mask);
} else {
gk20a_writel(g, gr_fecs_ctxsw_reset_ctl_r(),
gr_fecs_ctxsw_reset_ctl_sys_halt_disabled_f() |
gr_fecs_ctxsw_reset_ctl_gpc_halt_disabled_f() |
gr_fecs_ctxsw_reset_ctl_be_halt_disabled_f() |
gr_fecs_ctxsw_reset_ctl_sys_engine_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_gpc_engine_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_be_engine_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_sys_context_reset_enabled_f() |
gr_fecs_ctxsw_reset_ctl_gpc_context_reset_enabled_f() |
gr_fecs_ctxsw_reset_ctl_be_context_reset_enabled_f());
}
/* we need to read the reset register *and* wait for a moment to ensure
* reset propagation */
gk20a_readl(g, gr_fecs_ctxsw_reset_ctl_r());
udelay(20);
gk20a_writel(g, gr_fecs_ctxsw_reset_ctl_r(),
gr_fecs_ctxsw_reset_ctl_sys_halt_disabled_f() |
gr_fecs_ctxsw_reset_ctl_gpc_halt_disabled_f() |
gr_fecs_ctxsw_reset_ctl_be_halt_disabled_f() |
gr_fecs_ctxsw_reset_ctl_sys_engine_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_gpc_engine_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_be_engine_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_sys_context_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_gpc_context_reset_disabled_f() |
gr_fecs_ctxsw_reset_ctl_be_context_reset_disabled_f());
/* we need to readl the reset and then wait a small moment after that */
gk20a_readl(g, gr_fecs_ctxsw_reset_ctl_r());
udelay(20);
if (!tegra_platform_is_linsim()) {
/* Set power mode back to auto */
gk20a_writel(g, gr_fe_pwr_mode_r(),
gr_fe_pwr_mode_req_send_f() |
gr_fe_pwr_mode_mode_auto_f());
/* Wait for the request to complete */
end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
do {
reg = gk20a_readl(g, gr_fe_pwr_mode_r());
if (gr_fe_pwr_mode_req_v(reg) ==
gr_fe_pwr_mode_req_done_v())
break;
usleep_range(delay, delay * 2);
delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
} while (time_before(jiffies, end_jiffies));
if (!time_before(jiffies, end_jiffies))
gk20a_warn(dev_from_gk20a(g),
"failed to set power mode to auto\n");
}
return 0;
}
static int gr_gk20a_ctx_wait_ucode(struct gk20a *g, u32 mailbox_id,
u32 *mailbox_ret, u32 opc_success,
u32 mailbox_ok, u32 opc_fail,
u32 mailbox_fail)
{
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 delay = GR_IDLE_CHECK_DEFAULT;
u32 check = WAIT_UCODE_LOOP;
u32 reg;
gk20a_dbg_fn("");
while (check == WAIT_UCODE_LOOP) {
if (!time_before(jiffies, end_jiffies) &&
tegra_platform_is_silicon())
check = WAIT_UCODE_TIMEOUT;
reg = gk20a_readl(g, gr_fecs_ctxsw_mailbox_r(mailbox_id));
if (mailbox_ret)
*mailbox_ret = reg;
switch (opc_success) {
case GR_IS_UCODE_OP_EQUAL:
if (reg == mailbox_ok)
check = WAIT_UCODE_OK;
break;
case GR_IS_UCODE_OP_NOT_EQUAL:
if (reg != mailbox_ok)
check = WAIT_UCODE_OK;
break;
case GR_IS_UCODE_OP_AND:
if (reg & mailbox_ok)
check = WAIT_UCODE_OK;
break;
case GR_IS_UCODE_OP_LESSER:
if (reg < mailbox_ok)
check = WAIT_UCODE_OK;
break;
case GR_IS_UCODE_OP_LESSER_EQUAL:
if (reg <= mailbox_ok)
check = WAIT_UCODE_OK;
break;
case GR_IS_UCODE_OP_SKIP:
/* do no success check */
break;
default:
gk20a_err(dev_from_gk20a(g),
"invalid success opcode 0x%x", opc_success);
check = WAIT_UCODE_ERROR;
break;
}
switch (opc_fail) {
case GR_IS_UCODE_OP_EQUAL:
if (reg == mailbox_fail)
check = WAIT_UCODE_ERROR;
break;
case GR_IS_UCODE_OP_NOT_EQUAL:
if (reg != mailbox_fail)
check = WAIT_UCODE_ERROR;
break;
case GR_IS_UCODE_OP_AND:
if (reg & mailbox_fail)
check = WAIT_UCODE_ERROR;
break;
case GR_IS_UCODE_OP_LESSER:
if (reg < mailbox_fail)
check = WAIT_UCODE_ERROR;
break;
case GR_IS_UCODE_OP_LESSER_EQUAL:
if (reg <= mailbox_fail)
check = WAIT_UCODE_ERROR;
break;
case GR_IS_UCODE_OP_SKIP:
/* do no check on fail*/
break;
default:
gk20a_err(dev_from_gk20a(g),
"invalid fail opcode 0x%x", opc_fail);
check = WAIT_UCODE_ERROR;
break;
}
usleep_range(delay, delay * 2);
delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
}
if (check == WAIT_UCODE_TIMEOUT) {
gk20a_err(dev_from_gk20a(g),
"timeout waiting on ucode response");
gk20a_fecs_dump_falcon_stats(g);
return -1;
} else if (check == WAIT_UCODE_ERROR) {
gk20a_err(dev_from_gk20a(g),
"ucode method failed on mailbox=%d value=0x%08x",
mailbox_id, reg);
gk20a_fecs_dump_falcon_stats(g);
return -1;
}
gk20a_dbg_fn("done");
return 0;
}
/* The following is a less brittle way to call gr_gk20a_submit_fecs_method(...)
* We should replace most, if not all, fecs method calls to this instead. */
struct fecs_method_op_gk20a {
struct {
u32 addr;
u32 data;
} method;
struct {
u32 id;
u32 data;
u32 clr;
u32 *ret;
u32 ok;
u32 fail;
} mailbox;
struct {
u32 ok;
u32 fail;
} cond;
};
int gr_gk20a_submit_fecs_method_op(struct gk20a *g,
struct fecs_method_op_gk20a op)
{
struct gr_gk20a *gr = &g->gr;
int ret;
mutex_lock(&gr->fecs_mutex);
if (op.mailbox.id != 0)
gk20a_writel(g, gr_fecs_ctxsw_mailbox_r(op.mailbox.id),
op.mailbox.data);
gk20a_writel(g, gr_fecs_ctxsw_mailbox_clear_r(0),
gr_fecs_ctxsw_mailbox_clear_value_f(op.mailbox.clr));
gk20a_writel(g, gr_fecs_method_data_r(), op.method.data);
gk20a_writel(g, gr_fecs_method_push_r(),
gr_fecs_method_push_adr_f(op.method.addr));
/* op.mb.id == 4 cases require waiting for completion on
* for op.mb.id == 0 */
if (op.mailbox.id == 4)
op.mailbox.id = 0;
ret = gr_gk20a_ctx_wait_ucode(g, op.mailbox.id, op.mailbox.ret,
op.cond.ok, op.mailbox.ok,
op.cond.fail, op.mailbox.fail);
mutex_unlock(&gr->fecs_mutex);
return ret;
}
int gr_gk20a_ctrl_ctxsw(struct gk20a *g, u32 fecs_method, u32 *ret)
{
return gr_gk20a_submit_fecs_method_op(g,
(struct fecs_method_op_gk20a) {
.method.addr = fecs_method,
.method.data = ~0,
.mailbox = { .id = 1, /*sideband?*/
.data = ~0, .clr = ~0, .ret = ret,
.ok = gr_fecs_ctxsw_mailbox_value_pass_v(),
.fail = gr_fecs_ctxsw_mailbox_value_fail_v(), },
.cond.ok = GR_IS_UCODE_OP_EQUAL,
.cond.fail = GR_IS_UCODE_OP_EQUAL });
}
/* Stop processing (stall) context switches at FECS.
* The caller must hold the dbg_sessions_lock, else if mutliple stop methods
* are sent to the ucode in sequence, it can get into an undefined state. */
int gr_gk20a_disable_ctxsw(struct gk20a *g)
{
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "");
return gr_gk20a_ctrl_ctxsw(g, gr_fecs_method_push_adr_stop_ctxsw_v(), 0);
}
/* Start processing (continue) context switches at FECS */
int gr_gk20a_enable_ctxsw(struct gk20a *g)
{
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "");
return gr_gk20a_ctrl_ctxsw(g, gr_fecs_method_push_adr_start_ctxsw_v(), 0);
}
static int gr_gk20a_commit_inst(struct channel_gk20a *c, u64 gpu_va)
{
u32 addr_lo;
u32 addr_hi;
void *inst_ptr = NULL;
gk20a_dbg_fn("");
inst_ptr = c->inst_block.cpuva;
if (!inst_ptr)
return -ENOMEM;
addr_lo = u64_lo32(gpu_va) >> 12;
addr_hi = u64_hi32(gpu_va);
gk20a_mem_wr32(inst_ptr, ram_in_gr_wfi_target_w(),
ram_in_gr_cs_wfi_f() | ram_in_gr_wfi_mode_virtual_f() |
ram_in_gr_wfi_ptr_lo_f(addr_lo));
gk20a_mem_wr32(inst_ptr, ram_in_gr_wfi_ptr_hi_w(),
ram_in_gr_wfi_ptr_hi_f(addr_hi));
return 0;
}
/*
* Context state can be written directly or "patched" at times.
* So that code can be used in either situation it is written
* using a series _ctx_patch_write(..., patch) statements.
* However any necessary cpu map/unmap and gpu l2 invalidates
* should be minimized (to avoid doing it once per patch write).
* Before a sequence of these set up with "_ctx_patch_write_begin"
* and close with "_ctx_patch_write_end."
*/
int gr_gk20a_ctx_patch_write_begin(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx)
{
/* being defensive still... */
if (ch_ctx->patch_ctx.cpu_va) {
gk20a_err(dev_from_gk20a(g), "nested ctx patch begin?");
return -EBUSY;
}
ch_ctx->patch_ctx.cpu_va = vmap(ch_ctx->patch_ctx.pages,
PAGE_ALIGN(ch_ctx->patch_ctx.size) >> PAGE_SHIFT,
0, pgprot_dmacoherent(PAGE_KERNEL));
if (!ch_ctx->patch_ctx.cpu_va)
return -ENOMEM;
return 0;
}
int gr_gk20a_ctx_patch_write_end(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx)
{
/* being defensive still... */
if (!ch_ctx->patch_ctx.cpu_va) {
gk20a_err(dev_from_gk20a(g), "dangling ctx patch end?");
return -EINVAL;
}
vunmap(ch_ctx->patch_ctx.cpu_va);
ch_ctx->patch_ctx.cpu_va = NULL;
return 0;
}
int gr_gk20a_ctx_patch_write(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u32 addr, u32 data, bool patch)
{
u32 patch_slot = 0;
void *patch_ptr = NULL;
bool mapped_here = false;
BUG_ON(patch != 0 && ch_ctx == NULL);
if (patch) {
if (!ch_ctx)
return -EINVAL;
/* we added an optimization prolog, epilog
* to get rid of unnecessary maps and l2 invals.
* but be defensive still... */
if (!ch_ctx->patch_ctx.cpu_va) {
int err;
gk20a_err(dev_from_gk20a(g),
"per-write ctx patch begin?");
/* yes, gr_gk20a_ctx_patch_smpc causes this one */
err = gr_gk20a_ctx_patch_write_begin(g, ch_ctx);
if (err)
return err;
mapped_here = true;
} else
mapped_here = false;
patch_ptr = ch_ctx->patch_ctx.cpu_va;
patch_slot = ch_ctx->patch_ctx.data_count * 2;
gk20a_mem_wr32(patch_ptr, patch_slot++, addr);
gk20a_mem_wr32(patch_ptr, patch_slot++, data);
ch_ctx->patch_ctx.data_count++;
if (mapped_here)
gr_gk20a_ctx_patch_write_end(g, ch_ctx);
} else
gk20a_writel(g, addr, data);
return 0;
}
static int gr_gk20a_fecs_ctx_bind_channel(struct gk20a *g,
struct channel_gk20a *c)
{
u32 inst_base_ptr = u64_lo32(c->inst_block.cpu_pa
>> ram_in_base_shift_v());
u32 ret;
gk20a_dbg_info("bind channel %d inst ptr 0x%08x",
c->hw_chid, inst_base_ptr);
ret = gr_gk20a_submit_fecs_method_op(g,
(struct fecs_method_op_gk20a) {
.method.addr = gr_fecs_method_push_adr_bind_pointer_v(),
.method.data = (gr_fecs_current_ctx_ptr_f(inst_base_ptr) |
gr_fecs_current_ctx_target_vid_mem_f() |
gr_fecs_current_ctx_valid_f(1)),
.mailbox = { .id = 0, .data = 0,
.clr = 0x30,
.ret = NULL,
.ok = 0x10,
.fail = 0x20, },
.cond.ok = GR_IS_UCODE_OP_AND,
.cond.fail = GR_IS_UCODE_OP_AND});
if (ret)
gk20a_err(dev_from_gk20a(g),
"bind channel instance failed");
return ret;
}
static int gr_gk20a_ctx_zcull_setup(struct gk20a *g, struct channel_gk20a *c,
bool disable_fifo)
{
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
struct fifo_gk20a *f = &g->fifo;
struct fifo_engine_info_gk20a *gr_info = f->engine_info + ENGINE_GR_GK20A;
u32 va_lo, va_hi, va;
int ret = 0;
void *ctx_ptr = NULL;
gk20a_dbg_fn("");
ctx_ptr = vmap(ch_ctx->gr_ctx->pages,
PAGE_ALIGN(ch_ctx->gr_ctx->size) >> PAGE_SHIFT,
0, pgprot_dmacoherent(PAGE_KERNEL));
if (!ctx_ptr)
return -ENOMEM;
if (ch_ctx->zcull_ctx.gpu_va == 0 &&
ch_ctx->zcull_ctx.ctx_sw_mode ==
ctxsw_prog_main_image_zcull_mode_separate_buffer_v()) {
ret = -EINVAL;
goto clean_up;
}
va_lo = u64_lo32(ch_ctx->zcull_ctx.gpu_va);
va_hi = u64_hi32(ch_ctx->zcull_ctx.gpu_va);
va = ((va_lo >> 8) & 0x00FFFFFF) | ((va_hi << 24) & 0xFF000000);
if (disable_fifo) {
ret = gk20a_fifo_disable_engine_activity(g, gr_info, true);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to disable gr engine activity\n");
goto clean_up;
}
}
g->ops.mm.fb_flush(g);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_zcull_o(), 0,
ch_ctx->zcull_ctx.ctx_sw_mode);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_zcull_ptr_o(), 0, va);
if (disable_fifo) {
ret = gk20a_fifo_enable_engine_activity(g, gr_info);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to enable gr engine activity\n");
goto clean_up;
}
}
clean_up:
vunmap(ctx_ptr);
return ret;
}
static int gr_gk20a_commit_global_cb_manager(struct gk20a *g,
struct channel_gk20a *c, bool patch)
{
struct gr_gk20a *gr = &g->gr;
struct channel_ctx_gk20a *ch_ctx = NULL;
u32 attrib_offset_in_chunk = 0;
u32 alpha_offset_in_chunk = 0;
u32 pd_ab_max_output;
u32 gpc_index, ppc_index;
u32 temp;
u32 cbm_cfg_size1, cbm_cfg_size2;
gk20a_dbg_fn("");
if (patch) {
int err;
ch_ctx = &c->ch_ctx;
err = gr_gk20a_ctx_patch_write_begin(g, ch_ctx);
if (err)
return err;
}
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_ds_tga_constraintlogic_r(),
gr_ds_tga_constraintlogic_beta_cbsize_f(gr->attrib_cb_default_size) |
gr_ds_tga_constraintlogic_alpha_cbsize_f(gr->alpha_cb_default_size),
patch);
pd_ab_max_output = (gr->alpha_cb_default_size *
gr_gpc0_ppc0_cbm_cfg_size_granularity_v()) /
gr_pd_ab_dist_cfg1_max_output_granularity_v();
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_pd_ab_dist_cfg1_r(),
gr_pd_ab_dist_cfg1_max_output_f(pd_ab_max_output) |
gr_pd_ab_dist_cfg1_max_batches_init_f(), patch);
alpha_offset_in_chunk = attrib_offset_in_chunk +
gr->tpc_count * gr->attrib_cb_size;
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
temp = proj_gpc_stride_v() * gpc_index;
for (ppc_index = 0; ppc_index < gr->gpc_ppc_count[gpc_index];
ppc_index++) {
cbm_cfg_size1 = gr->attrib_cb_default_size *
gr->pes_tpc_count[ppc_index][gpc_index];
cbm_cfg_size2 = gr->alpha_cb_default_size *
gr->pes_tpc_count[ppc_index][gpc_index];
gr_gk20a_ctx_patch_write(g, ch_ctx,
gr_gpc0_ppc0_cbm_cfg_r() + temp +
proj_ppc_in_gpc_stride_v() * ppc_index,
gr_gpc0_ppc0_cbm_cfg_timeslice_mode_f(gr->timeslice_mode) |
gr_gpc0_ppc0_cbm_cfg_start_offset_f(attrib_offset_in_chunk) |
gr_gpc0_ppc0_cbm_cfg_size_f(cbm_cfg_size1), patch);
attrib_offset_in_chunk += gr->attrib_cb_size *
gr->pes_tpc_count[ppc_index][gpc_index];
gr_gk20a_ctx_patch_write(g, ch_ctx,
gr_gpc0_ppc0_cbm_cfg2_r() + temp +
proj_ppc_in_gpc_stride_v() * ppc_index,
gr_gpc0_ppc0_cbm_cfg2_start_offset_f(alpha_offset_in_chunk) |
gr_gpc0_ppc0_cbm_cfg2_size_f(cbm_cfg_size2), patch);
alpha_offset_in_chunk += gr->alpha_cb_size *
gr->pes_tpc_count[ppc_index][gpc_index];
}
}
if (patch)
gr_gk20a_ctx_patch_write_end(g, ch_ctx);
return 0;
}
static int gr_gk20a_commit_global_ctx_buffers(struct gk20a *g,
struct channel_gk20a *c, bool patch)
{
struct gr_gk20a *gr = &g->gr;
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
u64 addr;
u32 size;
gk20a_dbg_fn("");
if (patch) {
int err;
err = gr_gk20a_ctx_patch_write_begin(g, ch_ctx);
if (err)
return err;
}
/* global pagepool buffer */
addr = (u64_lo32(ch_ctx->global_ctx_buffer_va[PAGEPOOL_VA]) >>
gr_scc_pagepool_base_addr_39_8_align_bits_v()) |
(u64_hi32(ch_ctx->global_ctx_buffer_va[PAGEPOOL_VA]) <<
(32 - gr_scc_pagepool_base_addr_39_8_align_bits_v()));
size = gr->global_ctx_buffer[PAGEPOOL].size /
gr_scc_pagepool_total_pages_byte_granularity_v();
if (size == gr_scc_pagepool_total_pages_hwmax_value_v())
size = gr_scc_pagepool_total_pages_hwmax_v();
gk20a_dbg_info("pagepool buffer addr : 0x%016llx, size : %d",
addr, size);
g->ops.gr.commit_global_pagepool(g, ch_ctx, addr, size, patch);
/* global bundle cb */
addr = (u64_lo32(ch_ctx->global_ctx_buffer_va[CIRCULAR_VA]) >>
gr_scc_bundle_cb_base_addr_39_8_align_bits_v()) |
(u64_hi32(ch_ctx->global_ctx_buffer_va[CIRCULAR_VA]) <<
(32 - gr_scc_bundle_cb_base_addr_39_8_align_bits_v()));
size = gr->bundle_cb_default_size;
gk20a_dbg_info("bundle cb addr : 0x%016llx, size : %d",
addr, size);
g->ops.gr.commit_global_bundle_cb(g, ch_ctx, addr, size, patch);
/* global attrib cb */
addr = (u64_lo32(ch_ctx->global_ctx_buffer_va[ATTRIBUTE_VA]) >>
gr_gpcs_setup_attrib_cb_base_addr_39_12_align_bits_v()) |
(u64_hi32(ch_ctx->global_ctx_buffer_va[ATTRIBUTE_VA]) <<
(32 - gr_gpcs_setup_attrib_cb_base_addr_39_12_align_bits_v()));
gk20a_dbg_info("attrib cb addr : 0x%016llx", addr);
g->ops.gr.commit_global_attrib_cb(g, ch_ctx, addr, patch);
if (patch)
gr_gk20a_ctx_patch_write_end(g, ch_ctx);
return 0;
}
static void gr_gk20a_commit_global_attrib_cb(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u64 addr, bool patch)
{
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_setup_attrib_cb_base_r(),
gr_gpcs_setup_attrib_cb_base_addr_39_12_f(addr) |
gr_gpcs_setup_attrib_cb_base_valid_true_f(), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_tpcs_pe_pin_cb_global_base_addr_r(),
gr_gpcs_tpcs_pe_pin_cb_global_base_addr_v_f(addr) |
gr_gpcs_tpcs_pe_pin_cb_global_base_addr_valid_true_f(), patch);
}
static void gr_gk20a_commit_global_bundle_cb(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u64 addr, u64 size, bool patch)
{
u32 data;
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_scc_bundle_cb_base_r(),
gr_scc_bundle_cb_base_addr_39_8_f(addr), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_scc_bundle_cb_size_r(),
gr_scc_bundle_cb_size_div_256b_f(size) |
gr_scc_bundle_cb_size_valid_true_f(), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_setup_bundle_cb_base_r(),
gr_gpcs_setup_bundle_cb_base_addr_39_8_f(addr), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_setup_bundle_cb_size_r(),
gr_gpcs_setup_bundle_cb_size_div_256b_f(size) |
gr_gpcs_setup_bundle_cb_size_valid_true_f(), patch);
/* data for state_limit */
data = (g->gr.bundle_cb_default_size *
gr_scc_bundle_cb_size_div_256b_byte_granularity_v()) /
gr_pd_ab_dist_cfg2_state_limit_scc_bundle_granularity_v();
data = min_t(u32, data, g->gr.min_gpm_fifo_depth);
gk20a_dbg_info("bundle cb token limit : %d, state limit : %d",
g->gr.bundle_cb_token_limit, data);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_pd_ab_dist_cfg2_r(),
gr_pd_ab_dist_cfg2_token_limit_f(g->gr.bundle_cb_token_limit) |
gr_pd_ab_dist_cfg2_state_limit_f(data), patch);
}
static int gr_gk20a_commit_global_timeslice(struct gk20a *g, struct channel_gk20a *c, bool patch)
{
struct gr_gk20a *gr = &g->gr;
struct channel_ctx_gk20a *ch_ctx = NULL;
u32 gpm_pd_cfg;
u32 pd_ab_dist_cfg0;
u32 ds_debug;
u32 mpc_vtg_debug;
u32 pe_vaf;
u32 pe_vsc_vpc;
gk20a_dbg_fn("");
gpm_pd_cfg = gk20a_readl(g, gr_gpcs_gpm_pd_cfg_r());
pd_ab_dist_cfg0 = gk20a_readl(g, gr_pd_ab_dist_cfg0_r());
ds_debug = gk20a_readl(g, gr_ds_debug_r());
mpc_vtg_debug = gk20a_readl(g, gr_gpcs_tpcs_mpc_vtg_debug_r());
if (patch) {
int err;
ch_ctx = &c->ch_ctx;
err = gr_gk20a_ctx_patch_write_begin(g, ch_ctx);
if (err)
return err;
}
if (gr->timeslice_mode == gr_gpcs_ppcs_cbm_cfg_timeslice_mode_enable_v()) {
pe_vaf = gk20a_readl(g, gr_gpcs_tpcs_pe_vaf_r());
pe_vsc_vpc = gk20a_readl(g, gr_gpcs_tpcs_pes_vsc_vpc_r());
gpm_pd_cfg = gr_gpcs_gpm_pd_cfg_timeslice_mode_enable_f() | gpm_pd_cfg;
pe_vaf = gr_gpcs_tpcs_pe_vaf_fast_mode_switch_true_f() | pe_vaf;
pe_vsc_vpc = gr_gpcs_tpcs_pes_vsc_vpc_fast_mode_switch_true_f() | pe_vsc_vpc;
pd_ab_dist_cfg0 = gr_pd_ab_dist_cfg0_timeslice_enable_en_f() | pd_ab_dist_cfg0;
ds_debug = gr_ds_debug_timeslice_mode_enable_f() | ds_debug;
mpc_vtg_debug = gr_gpcs_tpcs_mpc_vtg_debug_timeslice_mode_enabled_f() | mpc_vtg_debug;
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_gpm_pd_cfg_r(), gpm_pd_cfg, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_tpcs_pe_vaf_r(), pe_vaf, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_tpcs_pes_vsc_vpc_r(), pe_vsc_vpc, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_pd_ab_dist_cfg0_r(), pd_ab_dist_cfg0, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_ds_debug_r(), ds_debug, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_tpcs_mpc_vtg_debug_r(), mpc_vtg_debug, patch);
} else {
gpm_pd_cfg = gr_gpcs_gpm_pd_cfg_timeslice_mode_disable_f() | gpm_pd_cfg;
pd_ab_dist_cfg0 = gr_pd_ab_dist_cfg0_timeslice_enable_dis_f() | pd_ab_dist_cfg0;
ds_debug = gr_ds_debug_timeslice_mode_disable_f() | ds_debug;
mpc_vtg_debug = gr_gpcs_tpcs_mpc_vtg_debug_timeslice_mode_disabled_f() | mpc_vtg_debug;
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_gpm_pd_cfg_r(), gpm_pd_cfg, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_pd_ab_dist_cfg0_r(), pd_ab_dist_cfg0, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_ds_debug_r(), ds_debug, patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_tpcs_mpc_vtg_debug_r(), mpc_vtg_debug, patch);
}
if (patch)
gr_gk20a_ctx_patch_write_end(g, ch_ctx);
return 0;
}
int gr_gk20a_setup_rop_mapping(struct gk20a *g, struct gr_gk20a *gr)
{
u32 norm_entries, norm_shift;
u32 coeff5_mod, coeff6_mod, coeff7_mod, coeff8_mod, coeff9_mod, coeff10_mod, coeff11_mod;
u32 map0, map1, map2, map3, map4, map5;
if (!gr->map_tiles)
return -1;
gk20a_dbg_fn("");
gk20a_writel(g, gr_crstr_map_table_cfg_r(),
gr_crstr_map_table_cfg_row_offset_f(gr->map_row_offset) |
gr_crstr_map_table_cfg_num_entries_f(gr->tpc_count));
map0 = gr_crstr_gpc_map0_tile0_f(gr->map_tiles[0]) |
gr_crstr_gpc_map0_tile1_f(gr->map_tiles[1]) |
gr_crstr_gpc_map0_tile2_f(gr->map_tiles[2]) |
gr_crstr_gpc_map0_tile3_f(gr->map_tiles[3]) |
gr_crstr_gpc_map0_tile4_f(gr->map_tiles[4]) |
gr_crstr_gpc_map0_tile5_f(gr->map_tiles[5]);
map1 = gr_crstr_gpc_map1_tile6_f(gr->map_tiles[6]) |
gr_crstr_gpc_map1_tile7_f(gr->map_tiles[7]) |
gr_crstr_gpc_map1_tile8_f(gr->map_tiles[8]) |
gr_crstr_gpc_map1_tile9_f(gr->map_tiles[9]) |
gr_crstr_gpc_map1_tile10_f(gr->map_tiles[10]) |
gr_crstr_gpc_map1_tile11_f(gr->map_tiles[11]);
map2 = gr_crstr_gpc_map2_tile12_f(gr->map_tiles[12]) |
gr_crstr_gpc_map2_tile13_f(gr->map_tiles[13]) |
gr_crstr_gpc_map2_tile14_f(gr->map_tiles[14]) |
gr_crstr_gpc_map2_tile15_f(gr->map_tiles[15]) |
gr_crstr_gpc_map2_tile16_f(gr->map_tiles[16]) |
gr_crstr_gpc_map2_tile17_f(gr->map_tiles[17]);
map3 = gr_crstr_gpc_map3_tile18_f(gr->map_tiles[18]) |
gr_crstr_gpc_map3_tile19_f(gr->map_tiles[19]) |
gr_crstr_gpc_map3_tile20_f(gr->map_tiles[20]) |
gr_crstr_gpc_map3_tile21_f(gr->map_tiles[21]) |
gr_crstr_gpc_map3_tile22_f(gr->map_tiles[22]) |
gr_crstr_gpc_map3_tile23_f(gr->map_tiles[23]);
map4 = gr_crstr_gpc_map4_tile24_f(gr->map_tiles[24]) |
gr_crstr_gpc_map4_tile25_f(gr->map_tiles[25]) |
gr_crstr_gpc_map4_tile26_f(gr->map_tiles[26]) |
gr_crstr_gpc_map4_tile27_f(gr->map_tiles[27]) |
gr_crstr_gpc_map4_tile28_f(gr->map_tiles[28]) |
gr_crstr_gpc_map4_tile29_f(gr->map_tiles[29]);
map5 = gr_crstr_gpc_map5_tile30_f(gr->map_tiles[30]) |
gr_crstr_gpc_map5_tile31_f(gr->map_tiles[31]) |
gr_crstr_gpc_map5_tile32_f(0) |
gr_crstr_gpc_map5_tile33_f(0) |
gr_crstr_gpc_map5_tile34_f(0) |
gr_crstr_gpc_map5_tile35_f(0);
gk20a_writel(g, gr_crstr_gpc_map0_r(), map0);
gk20a_writel(g, gr_crstr_gpc_map1_r(), map1);
gk20a_writel(g, gr_crstr_gpc_map2_r(), map2);
gk20a_writel(g, gr_crstr_gpc_map3_r(), map3);
gk20a_writel(g, gr_crstr_gpc_map4_r(), map4);
gk20a_writel(g, gr_crstr_gpc_map5_r(), map5);
switch (gr->tpc_count) {
case 1:
norm_shift = 4;
break;
case 2:
case 3:
norm_shift = 3;
break;
case 4:
case 5:
case 6:
case 7:
norm_shift = 2;
break;
case 8:
case 9:
case 10:
case 11:
case 12:
case 13:
case 14:
case 15:
norm_shift = 1;
break;
default:
norm_shift = 0;
break;
}
norm_entries = gr->tpc_count << norm_shift;
coeff5_mod = (1 << 5) % norm_entries;
coeff6_mod = (1 << 6) % norm_entries;
coeff7_mod = (1 << 7) % norm_entries;
coeff8_mod = (1 << 8) % norm_entries;
coeff9_mod = (1 << 9) % norm_entries;
coeff10_mod = (1 << 10) % norm_entries;
coeff11_mod = (1 << 11) % norm_entries;
gk20a_writel(g, gr_ppcs_wwdx_map_table_cfg_r(),
gr_ppcs_wwdx_map_table_cfg_row_offset_f(gr->map_row_offset) |
gr_ppcs_wwdx_map_table_cfg_normalized_num_entries_f(norm_entries) |
gr_ppcs_wwdx_map_table_cfg_normalized_shift_value_f(norm_shift) |
gr_ppcs_wwdx_map_table_cfg_coeff5_mod_value_f(coeff5_mod) |
gr_ppcs_wwdx_map_table_cfg_num_entries_f(gr->tpc_count));
gk20a_writel(g, gr_ppcs_wwdx_map_table_cfg2_r(),
gr_ppcs_wwdx_map_table_cfg2_coeff6_mod_value_f(coeff6_mod) |
gr_ppcs_wwdx_map_table_cfg2_coeff7_mod_value_f(coeff7_mod) |
gr_ppcs_wwdx_map_table_cfg2_coeff8_mod_value_f(coeff8_mod) |
gr_ppcs_wwdx_map_table_cfg2_coeff9_mod_value_f(coeff9_mod) |
gr_ppcs_wwdx_map_table_cfg2_coeff10_mod_value_f(coeff10_mod) |
gr_ppcs_wwdx_map_table_cfg2_coeff11_mod_value_f(coeff11_mod));
gk20a_writel(g, gr_ppcs_wwdx_map_gpc_map0_r(), map0);
gk20a_writel(g, gr_ppcs_wwdx_map_gpc_map1_r(), map1);
gk20a_writel(g, gr_ppcs_wwdx_map_gpc_map2_r(), map2);
gk20a_writel(g, gr_ppcs_wwdx_map_gpc_map3_r(), map3);
gk20a_writel(g, gr_ppcs_wwdx_map_gpc_map4_r(), map4);
gk20a_writel(g, gr_ppcs_wwdx_map_gpc_map5_r(), map5);
gk20a_writel(g, gr_rstr2d_map_table_cfg_r(),
gr_rstr2d_map_table_cfg_row_offset_f(gr->map_row_offset) |
gr_rstr2d_map_table_cfg_num_entries_f(gr->tpc_count));
gk20a_writel(g, gr_rstr2d_gpc_map0_r(), map0);
gk20a_writel(g, gr_rstr2d_gpc_map1_r(), map1);
gk20a_writel(g, gr_rstr2d_gpc_map2_r(), map2);
gk20a_writel(g, gr_rstr2d_gpc_map3_r(), map3);
gk20a_writel(g, gr_rstr2d_gpc_map4_r(), map4);
gk20a_writel(g, gr_rstr2d_gpc_map5_r(), map5);
return 0;
}
static inline u32 count_bits(u32 mask)
{
u32 temp = mask;
u32 count;
for (count = 0; temp != 0; count++)
temp &= temp - 1;
return count;
}
static inline u32 clear_count_bits(u32 num, u32 clear_count)
{
u32 count = clear_count;
for (; (num != 0) && (count != 0); count--)
num &= num - 1;
return num;
}
static int gr_gk20a_setup_alpha_beta_tables(struct gk20a *g,
struct gr_gk20a *gr)
{
u32 table_index_bits = 5;
u32 rows = (1 << table_index_bits);
u32 row_stride = gr_pd_alpha_ratio_table__size_1_v() / rows;
u32 row;
u32 index;
u32 gpc_index;
u32 gpcs_per_reg = 4;
u32 pes_index;
u32 tpc_count_pes;
u32 num_pes_per_gpc = proj_scal_litter_num_pes_per_gpc_v();
u32 alpha_target, beta_target;
u32 alpha_bits, beta_bits;
u32 alpha_mask, beta_mask, partial_mask;
u32 reg_offset;
bool assign_alpha;
u32 map_alpha[gr_pd_alpha_ratio_table__size_1_v()];
u32 map_beta[gr_pd_alpha_ratio_table__size_1_v()];
u32 map_reg_used[gr_pd_alpha_ratio_table__size_1_v()];
gk20a_dbg_fn("");
memset(map_alpha, 0, gr_pd_alpha_ratio_table__size_1_v() * sizeof(u32));
memset(map_beta, 0, gr_pd_alpha_ratio_table__size_1_v() * sizeof(u32));
memset(map_reg_used, 0, gr_pd_alpha_ratio_table__size_1_v() * sizeof(u32));
for (row = 0; row < rows; ++row) {
alpha_target = max_t(u32, gr->tpc_count * row / rows, 1);
beta_target = gr->tpc_count - alpha_target;
assign_alpha = (alpha_target < beta_target);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
reg_offset = (row * row_stride) + (gpc_index / gpcs_per_reg);
alpha_mask = beta_mask = 0;
for (pes_index = 0; pes_index < num_pes_per_gpc; pes_index++) {
tpc_count_pes = gr->pes_tpc_count[pes_index][gpc_index];
if (assign_alpha) {
alpha_bits = (alpha_target == 0) ? 0 : tpc_count_pes;
beta_bits = tpc_count_pes - alpha_bits;
} else {
beta_bits = (beta_target == 0) ? 0 : tpc_count_pes;
alpha_bits = tpc_count_pes - beta_bits;
}
partial_mask = gr->pes_tpc_mask[pes_index][gpc_index];
partial_mask = clear_count_bits(partial_mask, tpc_count_pes - alpha_bits);
alpha_mask |= partial_mask;
partial_mask = gr->pes_tpc_mask[pes_index][gpc_index] ^ partial_mask;
beta_mask |= partial_mask;
alpha_target -= min(alpha_bits, alpha_target);
beta_target -= min(beta_bits, beta_target);
if ((alpha_bits > 0) || (beta_bits > 0))
assign_alpha = !assign_alpha;
}
switch (gpc_index % gpcs_per_reg) {
case 0:
map_alpha[reg_offset] |= gr_pd_alpha_ratio_table_gpc_4n0_mask_f(alpha_mask);
map_beta[reg_offset] |= gr_pd_beta_ratio_table_gpc_4n0_mask_f(beta_mask);
break;
case 1:
map_alpha[reg_offset] |= gr_pd_alpha_ratio_table_gpc_4n1_mask_f(alpha_mask);
map_beta[reg_offset] |= gr_pd_beta_ratio_table_gpc_4n1_mask_f(beta_mask);
break;
case 2:
map_alpha[reg_offset] |= gr_pd_alpha_ratio_table_gpc_4n2_mask_f(alpha_mask);
map_beta[reg_offset] |= gr_pd_beta_ratio_table_gpc_4n2_mask_f(beta_mask);
break;
case 3:
map_alpha[reg_offset] |= gr_pd_alpha_ratio_table_gpc_4n3_mask_f(alpha_mask);
map_beta[reg_offset] |= gr_pd_beta_ratio_table_gpc_4n3_mask_f(beta_mask);
break;
}
map_reg_used[reg_offset] = true;
}
}
for (index = 0; index < gr_pd_alpha_ratio_table__size_1_v(); index++) {
if (map_reg_used[index]) {
gk20a_writel(g, gr_pd_alpha_ratio_table_r(index), map_alpha[index]);
gk20a_writel(g, gr_pd_beta_ratio_table_r(index), map_beta[index]);
}
}
return 0;
}
static u32 gr_gk20a_get_gpc_tpc_mask(struct gk20a *g, u32 gpc_index)
{
/* One TPC for gk20a */
return 0x1;
}
static int gr_gk20a_ctx_state_floorsweep(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
u32 tpc_index, gpc_index;
u32 tpc_offset, gpc_offset;
u32 sm_id = 0, gpc_id = 0;
u32 sm_id_to_gpc_id[proj_scal_max_gpcs_v() * proj_scal_max_tpc_per_gpc_v()];
u32 tpc_per_gpc;
u32 max_ways_evict = INVALID_MAX_WAYS;
u32 l1c_dbg_reg_val;
gk20a_dbg_fn("");
for (tpc_index = 0; tpc_index < gr->max_tpc_per_gpc_count; tpc_index++) {
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
gpc_offset = proj_gpc_stride_v() * gpc_index;
if (tpc_index < gr->gpc_tpc_count[gpc_index]) {
tpc_offset = proj_tpc_in_gpc_stride_v() * tpc_index;
gk20a_writel(g, gr_gpc0_tpc0_sm_cfg_r() + gpc_offset + tpc_offset,
gr_gpc0_tpc0_sm_cfg_sm_id_f(sm_id));
gk20a_writel(g, gr_gpc0_tpc0_l1c_cfg_smid_r() + gpc_offset + tpc_offset,
gr_gpc0_tpc0_l1c_cfg_smid_value_f(sm_id));
gk20a_writel(g, gr_gpc0_gpm_pd_sm_id_r(tpc_index) + gpc_offset,
gr_gpc0_gpm_pd_sm_id_id_f(sm_id));
gk20a_writel(g, gr_gpc0_tpc0_pe_cfg_smid_r() + gpc_offset + tpc_offset,
gr_gpc0_tpc0_pe_cfg_smid_value_f(sm_id));
sm_id_to_gpc_id[sm_id] = gpc_index;
sm_id++;
}
gk20a_writel(g, gr_gpc0_gpm_pd_active_tpcs_r() + gpc_offset,
gr_gpc0_gpm_pd_active_tpcs_num_f(gr->gpc_tpc_count[gpc_index]));
gk20a_writel(g, gr_gpc0_gpm_sd_active_tpcs_r() + gpc_offset,
gr_gpc0_gpm_sd_active_tpcs_num_f(gr->gpc_tpc_count[gpc_index]));
}
}
for (tpc_index = 0, gpc_id = 0;
tpc_index < gr_pd_num_tpc_per_gpc__size_1_v();
tpc_index++, gpc_id += 8) {
if (gpc_id >= gr->gpc_count)
gpc_id = 0;
tpc_per_gpc =
gr_pd_num_tpc_per_gpc_count0_f(gr->gpc_tpc_count[gpc_id + 0]) |
gr_pd_num_tpc_per_gpc_count1_f(gr->gpc_tpc_count[gpc_id + 1]) |
gr_pd_num_tpc_per_gpc_count2_f(gr->gpc_tpc_count[gpc_id + 2]) |
gr_pd_num_tpc_per_gpc_count3_f(gr->gpc_tpc_count[gpc_id + 3]) |
gr_pd_num_tpc_per_gpc_count4_f(gr->gpc_tpc_count[gpc_id + 4]) |
gr_pd_num_tpc_per_gpc_count5_f(gr->gpc_tpc_count[gpc_id + 5]) |
gr_pd_num_tpc_per_gpc_count6_f(gr->gpc_tpc_count[gpc_id + 6]) |
gr_pd_num_tpc_per_gpc_count7_f(gr->gpc_tpc_count[gpc_id + 7]);
gk20a_writel(g, gr_pd_num_tpc_per_gpc_r(tpc_index), tpc_per_gpc);
gk20a_writel(g, gr_ds_num_tpc_per_gpc_r(tpc_index), tpc_per_gpc);
}
/* gr__setup_pd_mapping stubbed for gk20a */
gr_gk20a_setup_rop_mapping(g, gr);
if (g->ops.gr.setup_alpha_beta_tables)
g->ops.gr.setup_alpha_beta_tables(g, gr);
if (gr->num_fbps == 1)
max_ways_evict = 9;
if (max_ways_evict != INVALID_MAX_WAYS)
g->ops.ltc.set_max_ways_evict_last(g, max_ways_evict);
for (gpc_index = 0;
gpc_index < gr_pd_dist_skip_table__size_1_v() * 4;
gpc_index += 4) {
gk20a_writel(g, gr_pd_dist_skip_table_r(gpc_index/4),
gr_pd_dist_skip_table_gpc_4n0_mask_f(gr->gpc_skip_mask[gpc_index]) ||
gr_pd_dist_skip_table_gpc_4n1_mask_f(gr->gpc_skip_mask[gpc_index + 1]) ||
gr_pd_dist_skip_table_gpc_4n2_mask_f(gr->gpc_skip_mask[gpc_index + 2]) ||
gr_pd_dist_skip_table_gpc_4n3_mask_f(gr->gpc_skip_mask[gpc_index + 3]));
}
gk20a_writel(g, gr_cwd_fs_r(),
gr_cwd_fs_num_gpcs_f(gr->gpc_count) |
gr_cwd_fs_num_tpcs_f(gr->tpc_count));
gk20a_writel(g, gr_bes_zrop_settings_r(),
gr_bes_zrop_settings_num_active_fbps_f(gr->num_fbps));
gk20a_writel(g, gr_bes_crop_settings_r(),
gr_bes_crop_settings_num_active_fbps_f(gr->num_fbps));
/* turn on cya15 bit for a default val that missed the cut */
l1c_dbg_reg_val = gk20a_readl(g, gr_gpc0_tpc0_l1c_dbg_r());
l1c_dbg_reg_val |= gr_gpc0_tpc0_l1c_dbg_cya15_en_f();
gk20a_writel(g, gr_gpc0_tpc0_l1c_dbg_r(), l1c_dbg_reg_val);
return 0;
}
static int gr_gk20a_fecs_ctx_image_save(struct channel_gk20a *c, u32 save_type)
{
struct gk20a *g = c->g;
int ret;
u32 inst_base_ptr =
u64_lo32(c->inst_block.cpu_pa
>> ram_in_base_shift_v());
gk20a_dbg_fn("");
ret = gr_gk20a_submit_fecs_method_op(g,
(struct fecs_method_op_gk20a) {
.method.addr = save_type,
.method.data = (gr_fecs_current_ctx_ptr_f(inst_base_ptr) |
gr_fecs_current_ctx_target_vid_mem_f() |
gr_fecs_current_ctx_valid_f(1)),
.mailbox = {.id = 0, .data = 0, .clr = 3, .ret = NULL,
.ok = 1, .fail = 2,
},
.cond.ok = GR_IS_UCODE_OP_AND,
.cond.fail = GR_IS_UCODE_OP_AND,
});
if (ret)
gk20a_err(dev_from_gk20a(g), "save context image failed");
return ret;
}
static u32 gk20a_init_sw_bundle(struct gk20a *g)
{
struct av_list_gk20a *sw_bundle_init = &g->gr.ctx_vars.sw_bundle_init;
u32 last_bundle_data = 0;
u32 err = 0;
int i;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
/* enable pipe mode override */
gk20a_writel(g, gr_pipe_bundle_config_r(),
gr_pipe_bundle_config_override_pipe_mode_enabled_f());
/* load bundle init */
for (i = 0; i < sw_bundle_init->count; i++) {
err |= gr_gk20a_wait_fe_idle(g, end_jiffies,
GR_IDLE_CHECK_DEFAULT);
if (i == 0 || last_bundle_data != sw_bundle_init->l[i].value) {
gk20a_writel(g, gr_pipe_bundle_data_r(),
sw_bundle_init->l[i].value);
last_bundle_data = sw_bundle_init->l[i].value;
}
gk20a_writel(g, gr_pipe_bundle_address_r(),
sw_bundle_init->l[i].addr);
if (gr_pipe_bundle_address_value_v(sw_bundle_init->l[i].addr) ==
GR_GO_IDLE_BUNDLE)
err |= gr_gk20a_wait_idle(g, end_jiffies,
GR_IDLE_CHECK_DEFAULT);
}
/* disable pipe mode override */
gk20a_writel(g, gr_pipe_bundle_config_r(),
gr_pipe_bundle_config_override_pipe_mode_disabled_f());
return err;
}
/* init global golden image from a fresh gr_ctx in channel ctx.
save a copy in local_golden_image in ctx_vars */
static int gr_gk20a_init_golden_ctx_image(struct gk20a *g,
struct channel_gk20a *c)
{
struct gr_gk20a *gr = &g->gr;
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
u32 ctx_header_bytes = ctxsw_prog_fecs_header_v();
u32 ctx_header_words;
u32 i;
u32 data;
void *ctx_ptr = NULL;
void *gold_ptr = NULL;
u32 err = 0;
gk20a_dbg_fn("");
/* golden ctx is global to all channels. Although only the first
channel initializes golden image, driver needs to prevent multiple
channels from initializing golden ctx at the same time */
mutex_lock(&gr->ctx_mutex);
if (gr->ctx_vars.golden_image_initialized)
goto clean_up;
err = gr_gk20a_fecs_ctx_bind_channel(g, c);
if (err)
goto clean_up;
err = gk20a_init_sw_bundle(g);
if (err)
goto clean_up;
err = gr_gk20a_elpg_protected_call(g,
gr_gk20a_commit_global_ctx_buffers(g, c, false));
if (err)
goto clean_up;
gold_ptr = vmap(gr->global_ctx_buffer[GOLDEN_CTX].pages,
PAGE_ALIGN(gr->global_ctx_buffer[GOLDEN_CTX].size) >>
PAGE_SHIFT, 0, pgprot_dmacoherent(PAGE_KERNEL));
if (!gold_ptr)
goto clean_up;
ctx_ptr = vmap(ch_ctx->gr_ctx->pages,
PAGE_ALIGN(ch_ctx->gr_ctx->size) >> PAGE_SHIFT,
0, pgprot_dmacoherent(PAGE_KERNEL));
if (!ctx_ptr)
goto clean_up;
ctx_header_words = roundup(ctx_header_bytes, sizeof(u32));
ctx_header_words >>= 2;
gk20a_mm_l2_flush(g, true);
for (i = 0; i < ctx_header_words; i++) {
data = gk20a_mem_rd32(ctx_ptr, i);
gk20a_mem_wr32(gold_ptr, i, data);
}
gk20a_mem_wr32(gold_ptr + ctxsw_prog_main_image_zcull_o(), 0,
ctxsw_prog_main_image_zcull_mode_no_ctxsw_v());
gk20a_mem_wr32(gold_ptr + ctxsw_prog_main_image_zcull_ptr_o(), 0, 0);
gr_gk20a_commit_inst(c, ch_ctx->global_ctx_buffer_va[GOLDEN_CTX_VA]);
gr_gk20a_fecs_ctx_image_save(c, gr_fecs_method_push_adr_wfi_golden_save_v());
if (gr->ctx_vars.local_golden_image == NULL) {
gr->ctx_vars.local_golden_image =
kzalloc(gr->ctx_vars.golden_image_size, GFP_KERNEL);
if (gr->ctx_vars.local_golden_image == NULL) {
err = -ENOMEM;
goto clean_up;
}
for (i = 0; i < gr->ctx_vars.golden_image_size / 4; i++)
gr->ctx_vars.local_golden_image[i] =
gk20a_mem_rd32(gold_ptr, i);
}
gr_gk20a_commit_inst(c, ch_ctx->gr_ctx->gpu_va);
gr->ctx_vars.golden_image_initialized = true;
gk20a_writel(g, gr_fecs_current_ctx_r(),
gr_fecs_current_ctx_valid_false_f());
clean_up:
if (err)
gk20a_err(dev_from_gk20a(g), "fail");
else
gk20a_dbg_fn("done");
if (gold_ptr)
vunmap(gold_ptr);
if (ctx_ptr)
vunmap(ctx_ptr);
mutex_unlock(&gr->ctx_mutex);
return err;
}
int gr_gk20a_update_smpc_ctxsw_mode(struct gk20a *g,
struct channel_gk20a *c,
bool enable_smpc_ctxsw)
{
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
void *ctx_ptr = NULL;
u32 data;
/* Channel gr_ctx buffer is gpu cacheable.
Flush and invalidate before cpu update. */
gk20a_mm_l2_flush(g, true);
ctx_ptr = vmap(ch_ctx->gr_ctx->pages,
PAGE_ALIGN(ch_ctx->gr_ctx->size) >> PAGE_SHIFT,
0, pgprot_dmacoherent(PAGE_KERNEL));
if (!ctx_ptr)
return -ENOMEM;
data = gk20a_mem_rd32(ctx_ptr + ctxsw_prog_main_image_pm_o(), 0);
data = data & ~ctxsw_prog_main_image_pm_smpc_mode_m();
data |= enable_smpc_ctxsw ?
ctxsw_prog_main_image_pm_smpc_mode_ctxsw_f() :
ctxsw_prog_main_image_pm_smpc_mode_no_ctxsw_f();
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_pm_o(), 0,
data);
vunmap(ctx_ptr);
return 0;
}
/* load saved fresh copy of gloden image into channel gr_ctx */
int gr_gk20a_load_golden_ctx_image(struct gk20a *g,
struct channel_gk20a *c)
{
struct gr_gk20a *gr = &g->gr;
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
u32 virt_addr_lo;
u32 virt_addr_hi;
u32 i, v, data;
int ret = 0;
void *ctx_ptr = NULL;
gk20a_dbg_fn("");
if (gr->ctx_vars.local_golden_image == NULL)
return -1;
/* Channel gr_ctx buffer is gpu cacheable.
Flush and invalidate before cpu update. */
gk20a_mm_l2_flush(g, true);
ctx_ptr = vmap(ch_ctx->gr_ctx->pages,
PAGE_ALIGN(ch_ctx->gr_ctx->size) >> PAGE_SHIFT,
0, pgprot_dmacoherent(PAGE_KERNEL));
if (!ctx_ptr)
return -ENOMEM;
for (i = 0; i < gr->ctx_vars.golden_image_size / 4; i++)
gk20a_mem_wr32(ctx_ptr, i, gr->ctx_vars.local_golden_image[i]);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_num_save_ops_o(), 0, 0);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_num_restore_ops_o(), 0, 0);
virt_addr_lo = u64_lo32(ch_ctx->patch_ctx.gpu_va);
virt_addr_hi = u64_hi32(ch_ctx->patch_ctx.gpu_va);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_patch_count_o(), 0,
ch_ctx->patch_ctx.data_count);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_patch_adr_lo_o(), 0,
virt_addr_lo);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_patch_adr_hi_o(), 0,
virt_addr_hi);
/* no user for client managed performance counter ctx */
ch_ctx->pm_ctx.ctx_sw_mode =
ctxsw_prog_main_image_pm_mode_no_ctxsw_f();
data = gk20a_mem_rd32(ctx_ptr + ctxsw_prog_main_image_pm_o(), 0);
data = data & ~ctxsw_prog_main_image_pm_mode_m();
data |= ch_ctx->pm_ctx.ctx_sw_mode;
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_pm_o(), 0,
data);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_pm_ptr_o(), 0, 0);
/* set priv access map */
virt_addr_lo =
u64_lo32(ch_ctx->global_ctx_buffer_va[PRIV_ACCESS_MAP_VA]);
virt_addr_hi =
u64_hi32(ch_ctx->global_ctx_buffer_va[PRIV_ACCESS_MAP_VA]);
if (g->allow_all)
data = ctxsw_prog_main_image_priv_access_map_config_mode_allow_all_f();
else
data = ctxsw_prog_main_image_priv_access_map_config_mode_use_map_f();
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_priv_access_map_config_o(), 0,
data);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_priv_access_map_addr_lo_o(), 0,
virt_addr_lo);
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_priv_access_map_addr_hi_o(), 0,
virt_addr_hi);
/* disable verif features */
v = gk20a_mem_rd32(ctx_ptr + ctxsw_prog_main_image_misc_options_o(), 0);
v = v & ~(ctxsw_prog_main_image_misc_options_verif_features_m());
v = v | ctxsw_prog_main_image_misc_options_verif_features_disabled_f();
gk20a_mem_wr32(ctx_ptr + ctxsw_prog_main_image_misc_options_o(), 0, v);
vunmap(ctx_ptr);
if (tegra_platform_is_linsim()) {
u32 inst_base_ptr =
u64_lo32(c->inst_block.cpu_pa
>> ram_in_base_shift_v());
ret = gr_gk20a_submit_fecs_method_op(g,
(struct fecs_method_op_gk20a) {
.method.data =
(gr_fecs_current_ctx_ptr_f(inst_base_ptr) |
gr_fecs_current_ctx_target_vid_mem_f() |
gr_fecs_current_ctx_valid_f(1)),
.method.addr =
gr_fecs_method_push_adr_restore_golden_v(),
.mailbox = {
.id = 0, .data = 0,
.clr = ~0, .ret = NULL,
.ok = gr_fecs_ctxsw_mailbox_value_pass_v(),
.fail = 0},
.cond.ok = GR_IS_UCODE_OP_EQUAL,
.cond.fail = GR_IS_UCODE_OP_SKIP});
if (ret)
gk20a_err(dev_from_gk20a(g),
"restore context image failed");
}
return ret;
}
static void gr_gk20a_start_falcon_ucode(struct gk20a *g)
{
gk20a_dbg_fn("");
gk20a_writel(g, gr_fecs_ctxsw_mailbox_clear_r(0),
gr_fecs_ctxsw_mailbox_clear_value_f(~0));
gk20a_writel(g, gr_gpccs_dmactl_r(), gr_gpccs_dmactl_require_ctx_f(0));
gk20a_writel(g, gr_fecs_dmactl_r(), gr_fecs_dmactl_require_ctx_f(0));
gk20a_writel(g, gr_gpccs_cpuctl_r(), gr_gpccs_cpuctl_startcpu_f(1));
gk20a_writel(g, gr_fecs_cpuctl_r(), gr_fecs_cpuctl_startcpu_f(1));
gk20a_dbg_fn("done");
}
static int gr_gk20a_init_ctxsw_ucode_vaspace(struct gk20a *g)
{
struct mm_gk20a *mm = &g->mm;
struct vm_gk20a *vm = &mm->pmu.vm;
struct device *d = dev_from_gk20a(g);
struct gk20a_ctxsw_ucode_info *ucode_info = &g->ctxsw_ucode_info;
void *inst_ptr;
u32 pde_addr_lo;
u32 pde_addr_hi;
u64 pde_addr;
dma_addr_t iova;
/* Alloc mem of inst block */
ucode_info->inst_blk_desc.size = ram_in_alloc_size_v();
ucode_info->inst_blk_desc.cpuva = dma_alloc_coherent(d,
ucode_info->inst_blk_desc.size,
&iova,
GFP_KERNEL);
if (!ucode_info->inst_blk_desc.cpuva) {
gk20a_err(d, "failed to allocate memory\n");
return -ENOMEM;
}
ucode_info->inst_blk_desc.iova = iova;
ucode_info->inst_blk_desc.cpu_pa = gk20a_get_phys_from_iova(d,
ucode_info->inst_blk_desc.iova);
inst_ptr = ucode_info->inst_blk_desc.cpuva;
/* Set inst block */
gk20a_mem_wr32(inst_ptr, ram_in_adr_limit_lo_w(),
u64_lo32(vm->va_limit) | 0xFFF);
gk20a_mem_wr32(inst_ptr, ram_in_adr_limit_hi_w(),
ram_in_adr_limit_hi_f(u64_hi32(vm->va_limit)));
pde_addr = gk20a_mm_iova_addr(vm->pdes.sgt->sgl);
pde_addr_lo = u64_lo32(pde_addr >> 12);
pde_addr_hi = u64_hi32(pde_addr);
gk20a_mem_wr32(inst_ptr, ram_in_page_dir_base_lo_w(),
ram_in_page_dir_base_target_vid_mem_f() |
ram_in_page_dir_base_vol_true_f() |
ram_in_page_dir_base_lo_f(pde_addr_lo));
gk20a_mem_wr32(inst_ptr, ram_in_page_dir_base_hi_w(),
ram_in_page_dir_base_hi_f(pde_addr_hi));
/* Map ucode surface to GMMU */
ucode_info->ucode_gpuva = gk20a_gmmu_map(vm,
&ucode_info->surface_desc.sgt,
ucode_info->surface_desc.size,
0, /* flags */
gk20a_mem_flag_read_only);
if (!ucode_info->ucode_gpuva) {
gk20a_err(d, "failed to update gmmu ptes\n");
return -ENOMEM;
}
return 0;
}
static void gr_gk20a_init_ctxsw_ucode_segment(
struct gk20a_ctxsw_ucode_segment *p_seg, u32 *offset, u32 size)
{
p_seg->offset = *offset;
p_seg->size = size;
*offset = ALIGN(*offset + size, BLK_SIZE);
}
static void gr_gk20a_init_ctxsw_ucode_segments(
struct gk20a_ctxsw_ucode_segments *segments, u32 *offset,
struct gk20a_ctxsw_bootloader_desc *bootdesc,
u32 code_size, u32 data_size)
{
u32 boot_size = ALIGN(bootdesc->size, sizeof(u32));
segments->boot_entry = bootdesc->entry_point;
segments->boot_imem_offset = bootdesc->imem_offset;
gr_gk20a_init_ctxsw_ucode_segment(&segments->boot, offset, boot_size);
gr_gk20a_init_ctxsw_ucode_segment(&segments->code, offset, code_size);
gr_gk20a_init_ctxsw_ucode_segment(&segments->data, offset, data_size);
}
static int gr_gk20a_copy_ctxsw_ucode_segments(
u8 *buf,
struct gk20a_ctxsw_ucode_segments *segments,
u32 *bootimage,
u32 *code, u32 *data)
{
memcpy(buf + segments->boot.offset, bootimage, segments->boot.size);
memcpy(buf + segments->code.offset, code, segments->code.size);
memcpy(buf + segments->data.offset, data, segments->data.size);
return 0;
}
int gr_gk20a_init_ctxsw_ucode(struct gk20a *g)
{
struct device *d = dev_from_gk20a(g);
struct mm_gk20a *mm = &g->mm;
struct vm_gk20a *vm = &mm->pmu.vm;
struct gk20a_ctxsw_bootloader_desc *fecs_boot_desc;
struct gk20a_ctxsw_bootloader_desc *gpccs_boot_desc;
const struct firmware *fecs_fw;
const struct firmware *gpccs_fw;
u32 *fecs_boot_image;
u32 *gpccs_boot_image;
struct gk20a_ctxsw_ucode_info *ucode_info = &g->ctxsw_ucode_info;
u8 *buf;
u32 ucode_size;
int err = 0;
dma_addr_t iova;
DEFINE_DMA_ATTRS(attrs);
fecs_fw = gk20a_request_firmware(g, GK20A_FECS_UCODE_IMAGE);
if (!fecs_fw) {
gk20a_err(d, "failed to load fecs ucode!!");
return -ENOENT;
}
fecs_boot_desc = (void *)fecs_fw->data;
fecs_boot_image = (void *)(fecs_fw->data +
sizeof(struct gk20a_ctxsw_bootloader_desc));
gpccs_fw = gk20a_request_firmware(g, GK20A_GPCCS_UCODE_IMAGE);
if (!gpccs_fw) {
release_firmware(fecs_fw);
gk20a_err(d, "failed to load gpccs ucode!!");
return -ENOENT;
}
gpccs_boot_desc = (void *)gpccs_fw->data;
gpccs_boot_image = (void *)(gpccs_fw->data +
sizeof(struct gk20a_ctxsw_bootloader_desc));
ucode_size = 0;
gr_gk20a_init_ctxsw_ucode_segments(&ucode_info->fecs, &ucode_size,
fecs_boot_desc,
g->gr.ctx_vars.ucode.fecs.inst.count * sizeof(u32),
g->gr.ctx_vars.ucode.fecs.data.count * sizeof(u32));
gr_gk20a_init_ctxsw_ucode_segments(&ucode_info->gpccs, &ucode_size,
gpccs_boot_desc,
g->gr.ctx_vars.ucode.gpccs.inst.count * sizeof(u32),
g->gr.ctx_vars.ucode.gpccs.data.count * sizeof(u32));
ucode_info->surface_desc.size = ucode_size;
dma_set_attr(DMA_ATTR_READ_ONLY, &attrs);
ucode_info->surface_desc.cpuva = dma_alloc_attrs(d,
ucode_info->surface_desc.size,
&iova,
GFP_KERNEL,
&attrs);
if (!ucode_info->surface_desc.cpuva) {
gk20a_err(d, "memory allocation failed\n");
err = -ENOMEM;
goto clean_up;
}
ucode_info->surface_desc.iova = iova;
err = gk20a_get_sgtable(d, &ucode_info->surface_desc.sgt,
ucode_info->surface_desc.cpuva,
ucode_info->surface_desc.iova,
ucode_info->surface_desc.size);
if (err) {
gk20a_err(d, "failed to create sg table\n");
goto clean_up;
}
buf = (u8 *)ucode_info->surface_desc.cpuva;
if (!buf) {
gk20a_err(d, "failed to map surface desc buffer");
err = -ENOMEM;
goto clean_up;
}
gr_gk20a_copy_ctxsw_ucode_segments(buf, &ucode_info->fecs,
fecs_boot_image,
g->gr.ctx_vars.ucode.fecs.inst.l,
g->gr.ctx_vars.ucode.fecs.data.l);
release_firmware(fecs_fw);
fecs_fw = NULL;
gr_gk20a_copy_ctxsw_ucode_segments(buf, &ucode_info->gpccs,
gpccs_boot_image,
g->gr.ctx_vars.ucode.gpccs.inst.l,
g->gr.ctx_vars.ucode.gpccs.data.l);
release_firmware(gpccs_fw);
gpccs_fw = NULL;
err = gr_gk20a_init_ctxsw_ucode_vaspace(g);
if (err)
goto clean_up;
gk20a_free_sgtable(&ucode_info->surface_desc.sgt);
return 0;
clean_up:
if (ucode_info->ucode_gpuva)
gk20a_gmmu_unmap(vm, ucode_info->ucode_gpuva,
ucode_info->surface_desc.size, gk20a_mem_flag_none);
if (ucode_info->surface_desc.sgt)
gk20a_free_sgtable(&ucode_info->surface_desc.sgt);
if (ucode_info->surface_desc.cpuva)
dma_free_attrs(d, ucode_info->surface_desc.size,
ucode_info->surface_desc.cpuva,
ucode_info->surface_desc.iova,
&attrs);
ucode_info->surface_desc.cpuva = NULL;
ucode_info->surface_desc.iova = 0;
release_firmware(gpccs_fw);
gpccs_fw = NULL;
release_firmware(fecs_fw);
fecs_fw = NULL;
return err;
}
void gr_gk20a_load_falcon_bind_instblk(struct gk20a *g)
{
struct gk20a_ctxsw_ucode_info *ucode_info = &g->ctxsw_ucode_info;
int retries = 20;
phys_addr_t inst_ptr;
u32 val;
while ((gk20a_readl(g, gr_fecs_ctxsw_status_1_r()) &
gr_fecs_ctxsw_status_1_arb_busy_m()) && retries) {
udelay(2);
retries--;
}
if (!retries) {
gk20a_err(dev_from_gk20a(g),
"arbiter idle timeout, status: %08x",
gk20a_readl(g, gr_fecs_ctxsw_status_1_r()));
}
gk20a_writel(g, gr_fecs_arb_ctx_adr_r(), 0x0);
inst_ptr = ucode_info->inst_blk_desc.cpu_pa;
gk20a_writel(g, gr_fecs_new_ctx_r(),
gr_fecs_new_ctx_ptr_f(inst_ptr >> 12) |
gr_fecs_new_ctx_target_m() |
gr_fecs_new_ctx_valid_m());
gk20a_writel(g, gr_fecs_arb_ctx_ptr_r(),
gr_fecs_arb_ctx_ptr_ptr_f(inst_ptr >> 12) |
gr_fecs_arb_ctx_ptr_target_m());
gk20a_writel(g, gr_fecs_arb_ctx_cmd_r(), 0x7);
/* Wait for arbiter command to complete */
retries = 20;
val = gk20a_readl(g, gr_fecs_arb_ctx_cmd_r());
while (gr_fecs_arb_ctx_cmd_cmd_v(val) && retries) {
udelay(2);
retries--;
val = gk20a_readl(g, gr_fecs_arb_ctx_cmd_r());
}
if (!retries)
gk20a_err(dev_from_gk20a(g), "arbiter complete timeout");
gk20a_writel(g, gr_fecs_current_ctx_r(),
gr_fecs_current_ctx_ptr_f(inst_ptr >> 12) |
gr_fecs_current_ctx_target_m() |
gr_fecs_current_ctx_valid_m());
/* Send command to arbiter to flush */
gk20a_writel(g, gr_fecs_arb_ctx_cmd_r(), gr_fecs_arb_ctx_cmd_cmd_s());
retries = 20;
val = (gk20a_readl(g, gr_fecs_arb_ctx_cmd_r()));
while (gr_fecs_arb_ctx_cmd_cmd_v(val) && retries) {
udelay(2);
retries--;
val = gk20a_readl(g, gr_fecs_arb_ctx_cmd_r());
}
if (!retries)
gk20a_err(dev_from_gk20a(g), "arbiter complete timeout");
}
static int gr_gk20a_load_ctxsw_ucode_segments(struct gk20a *g, u64 addr_base,
struct gk20a_ctxsw_ucode_segments *segments, u32 reg_offset)
{
u32 addr_code32;
u32 addr_data32;
u32 addr_load32;
u32 dst = 0;
u32 blocks;
u32 b;
addr_code32 = u64_lo32((addr_base + segments->code.offset) >> 8);
addr_data32 = u64_lo32((addr_base + segments->data.offset) >> 8);
addr_load32 = u64_lo32((addr_base + segments->boot.offset) >> 8);
gk20a_writel(g, reg_offset + gr_fecs_dmactl_r(),
gr_fecs_dmactl_require_ctx_f(0));
/*
* Copy falcon bootloader header into dmem at offset 0.
* Configure dmem port 0 for auto-incrementing writes starting at dmem
* offset 0.
*/
gk20a_writel(g, reg_offset + gr_fecs_dmemc_r(0),
gr_fecs_dmemc_offs_f(0) |
gr_fecs_dmemc_blk_f(0) |
gr_fecs_dmemc_aincw_f(1));
/* Write out the actual data */
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), 0);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), addr_code32);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), 0);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), segments->code.size);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), 0);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), addr_data32);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), segments->data.size);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), addr_code32);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), 0);
gk20a_writel(g, reg_offset + gr_fecs_dmemd_r(0), 0);
blocks = ((segments->boot.size + 0xFF) & ~0xFF) >> 8;
/*
* Set the base FB address for the DMA transfer. Subtract off the 256
* byte IMEM block offset such that the relative FB and IMEM offsets
* match, allowing the IMEM tags to be properly created.
*/
dst = segments->boot_imem_offset;
gk20a_writel(g, reg_offset + gr_fecs_dmatrfbase_r(),
(addr_load32 - (dst >> 8)));
for (b = 0; b < blocks; b++) {
/* Setup destination IMEM offset */
gk20a_writel(g, reg_offset + gr_fecs_dmatrfmoffs_r(),
dst + (b << 8));
/* Setup source offset (relative to BASE) */
gk20a_writel(g, reg_offset + gr_fecs_dmatrffboffs_r(),
dst + (b << 8));
gk20a_writel(g, reg_offset + gr_fecs_dmatrfcmd_r(),
gr_fecs_dmatrfcmd_imem_f(0x01) |
gr_fecs_dmatrfcmd_write_f(0x00) |
gr_fecs_dmatrfcmd_size_f(0x06) |
gr_fecs_dmatrfcmd_ctxdma_f(0));
}
/* Specify the falcon boot vector */
gk20a_writel(g, reg_offset + gr_fecs_bootvec_r(),
gr_fecs_bootvec_vec_f(segments->boot_entry));
/* Write to CPUCTL to start the falcon */
gk20a_writel(g, reg_offset + gr_fecs_cpuctl_r(),
gr_fecs_cpuctl_startcpu_f(0x01));
return 0;
}
static void gr_gk20a_load_falcon_with_bootloader(struct gk20a *g)
{
struct gk20a_ctxsw_ucode_info *ucode_info = &g->ctxsw_ucode_info;
u64 addr_base = ucode_info->ucode_gpuva;
gk20a_writel(g, gr_fecs_ctxsw_mailbox_clear_r(0), 0x0);
gr_gk20a_load_falcon_bind_instblk(g);
g->ops.gr.falcon_load_ucode(g, addr_base,
&g->ctxsw_ucode_info.fecs, 0);
g->ops.gr.falcon_load_ucode(g, addr_base,
&g->ctxsw_ucode_info.gpccs,
gr_gpcs_gpccs_falcon_hwcfg_r() -
gr_fecs_falcon_hwcfg_r());
}
int gr_gk20a_load_ctxsw_ucode(struct gk20a *g)
{
gk20a_dbg_fn("");
if (tegra_platform_is_linsim()) {
gk20a_writel(g, gr_fecs_ctxsw_mailbox_r(7),
gr_fecs_ctxsw_mailbox_value_f(0xc0de7777));
gk20a_writel(g, gr_gpccs_ctxsw_mailbox_r(7),
gr_gpccs_ctxsw_mailbox_value_f(0xc0de7777));
}
/*
* In case bootloader is not supported, revert to the old way of
* loading gr ucode, without the faster bootstrap routine.
*/
if (g->gpu_characteristics.arch != NVGPU_GPU_ARCH_GK100 &&
g->gpu_characteristics.arch != NVGPU_GPU_ARCH_GM200) {
gr_gk20a_load_falcon_dmem(g);
gr_gk20a_load_falcon_imem(g);
gr_gk20a_start_falcon_ucode(g);
} else {
if (!g->gr.skip_ucode_init)
gr_gk20a_init_ctxsw_ucode(g);
gr_gk20a_load_falcon_with_bootloader(g);
g->gr.skip_ucode_init = true;
}
gk20a_dbg_fn("done");
return 0;
}
static int gr_gk20a_wait_ctxsw_ready(struct gk20a *g)
{
u32 ret;
gk20a_dbg_fn("");
ret = gr_gk20a_ctx_wait_ucode(g, 0, 0,
GR_IS_UCODE_OP_EQUAL,
eUcodeHandshakeInitComplete,
GR_IS_UCODE_OP_SKIP, 0);
if (ret) {
gk20a_err(dev_from_gk20a(g), "falcon ucode init timeout");
return ret;
}
if (support_gk20a_pmu())
gk20a_writel(g, gr_fecs_current_ctx_r(),
gr_fecs_current_ctx_valid_false_f());
gk20a_writel(g, gr_fecs_ctxsw_mailbox_clear_r(0), 0xffffffff);
gk20a_writel(g, gr_fecs_method_data_r(), 0x7fffffff);
gk20a_writel(g, gr_fecs_method_push_r(),
gr_fecs_method_push_adr_set_watchdog_timeout_f());
gk20a_dbg_fn("done");
return 0;
}
static int gr_gk20a_init_ctx_state(struct gk20a *g, struct gr_gk20a *gr)
{
u32 pm_ctx_image_size;
u32 ret;
struct fecs_method_op_gk20a op = {
.mailbox = { .id = 0, .data = 0,
.clr = ~0, .ok = 0, .fail = 0},
.method.data = 0,
.cond.ok = GR_IS_UCODE_OP_NOT_EQUAL,
.cond.fail = GR_IS_UCODE_OP_SKIP,
};
gk20a_dbg_fn("");
if (!g->gr.ctx_vars.golden_image_size) {
op.method.addr =
gr_fecs_method_push_adr_discover_image_size_v();
op.mailbox.ret = &g->gr.ctx_vars.golden_image_size;
ret = gr_gk20a_submit_fecs_method_op(g, op);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"query golden image size failed");
return ret;
}
op.method.addr =
gr_fecs_method_push_adr_discover_zcull_image_size_v();
op.mailbox.ret = &g->gr.ctx_vars.zcull_ctxsw_image_size;
ret = gr_gk20a_submit_fecs_method_op(g, op);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"query zcull ctx image size failed");
return ret;
}
op.method.addr =
gr_fecs_method_push_adr_discover_pm_image_size_v();
op.mailbox.ret = &pm_ctx_image_size;
ret = gr_gk20a_submit_fecs_method_op(g, op);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"query pm ctx image size failed");
return ret;
}
g->gr.ctx_vars.priv_access_map_size = 512 * 1024;
}
gk20a_dbg_fn("done");
return 0;
}
static void gk20a_gr_destroy_ctx_buffer(struct platform_device *pdev,
struct gr_ctx_buffer_desc *desc)
{
struct device *dev = &pdev->dev;
if (!desc)
return;
if (desc->sgt)
gk20a_free_sgtable(&desc->sgt);
dma_free_attrs(dev, desc->size, desc->pages,
desc->iova, &desc->attrs);
}
static int gk20a_gr_alloc_ctx_buffer(struct platform_device *pdev,
struct gr_ctx_buffer_desc *desc,
size_t size)
{
struct device *dev = &pdev->dev;
DEFINE_DMA_ATTRS(attrs);
dma_addr_t iova;
int err = 0;
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
desc->pages = dma_alloc_attrs(&pdev->dev, size, &iova,
GFP_KERNEL, &attrs);
if (!desc->pages)
return -ENOMEM;
desc->iova = iova;
desc->size = size;
desc->attrs = attrs;
desc->destroy = gk20a_gr_destroy_ctx_buffer;
err = gk20a_get_sgtable_from_pages(&pdev->dev, &desc->sgt, desc->pages,
desc->iova, desc->size);
if (err) {
dma_free_attrs(dev, desc->size, desc->pages,
desc->iova, &desc->attrs);
memset(desc, 0, sizeof(*desc));
}
return err;
}
static int gr_gk20a_alloc_global_ctx_buffers(struct gk20a *g)
{
struct gk20a_platform *platform = platform_get_drvdata(g->dev);
struct gr_gk20a *gr = &g->gr;
int i, attr_buffer_size, err;
struct platform_device *pdev = g->dev;
u32 cb_buffer_size = gr->bundle_cb_default_size *
gr_scc_bundle_cb_size_div_256b_byte_granularity_v();
u32 pagepool_buffer_size = gr_scc_pagepool_total_pages_hwmax_value_v() *
gr_scc_pagepool_total_pages_byte_granularity_v();
gk20a_dbg_fn("");
attr_buffer_size = g->ops.gr.calc_global_ctx_buffer_size(g);
gk20a_dbg_info("cb_buffer_size : %d", cb_buffer_size);
err = gk20a_gr_alloc_ctx_buffer(pdev, &gr->global_ctx_buffer[CIRCULAR],
cb_buffer_size);
if (err)
goto clean_up;
if (platform->secure_alloc)
platform->secure_alloc(pdev,
&gr->global_ctx_buffer[CIRCULAR_VPR],
cb_buffer_size);
gk20a_dbg_info("pagepool_buffer_size : %d", pagepool_buffer_size);
err = gk20a_gr_alloc_ctx_buffer(pdev, &gr->global_ctx_buffer[PAGEPOOL],
pagepool_buffer_size);
if (err)
goto clean_up;
if (platform->secure_alloc)
platform->secure_alloc(pdev,
&gr->global_ctx_buffer[PAGEPOOL_VPR],
pagepool_buffer_size);
gk20a_dbg_info("attr_buffer_size : %d", attr_buffer_size);
err = gk20a_gr_alloc_ctx_buffer(pdev, &gr->global_ctx_buffer[ATTRIBUTE],
attr_buffer_size);
if (err)
goto clean_up;
if (platform->secure_alloc)
platform->secure_alloc(pdev,
&gr->global_ctx_buffer[ATTRIBUTE_VPR],
attr_buffer_size);
if (platform->secure_buffer.destroy)
platform->secure_buffer.destroy(pdev, &platform->secure_buffer);
gk20a_dbg_info("golden_image_size : %d",
gr->ctx_vars.golden_image_size);
err = gk20a_gr_alloc_ctx_buffer(pdev,
&gr->global_ctx_buffer[GOLDEN_CTX],
gr->ctx_vars.golden_image_size);
if (err)
goto clean_up;
gk20a_dbg_info("priv_access_map_size : %d",
gr->ctx_vars.priv_access_map_size);
err = gk20a_gr_alloc_ctx_buffer(pdev,
&gr->global_ctx_buffer[PRIV_ACCESS_MAP],
gr->ctx_vars.priv_access_map_size);
if (err)
goto clean_up;
gk20a_dbg_fn("done");
return 0;
clean_up:
gk20a_err(dev_from_gk20a(g), "fail");
for (i = 0; i < NR_GLOBAL_CTX_BUF; i++) {
if (gr->global_ctx_buffer[i].destroy) {
gr->global_ctx_buffer[i].destroy(pdev,
&gr->global_ctx_buffer[i]);
}
}
return -ENOMEM;
}
static void gr_gk20a_free_global_ctx_buffers(struct gk20a *g)
{
struct platform_device *pdev = g->dev;
struct gr_gk20a *gr = &g->gr;
DEFINE_DMA_ATTRS(attrs);
u32 i;
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
for (i = 0; i < NR_GLOBAL_CTX_BUF; i++) {
gr->global_ctx_buffer[i].destroy(pdev,
&gr->global_ctx_buffer[i]);
}
gk20a_dbg_fn("done");
}
static int gr_gk20a_map_global_ctx_buffers(struct gk20a *g,
struct channel_gk20a *c)
{
struct vm_gk20a *ch_vm = c->vm;
u64 *g_bfr_va = c->ch_ctx.global_ctx_buffer_va;
u64 *g_bfr_size = c->ch_ctx.global_ctx_buffer_size;
struct gr_gk20a *gr = &g->gr;
struct sg_table *sgt;
u64 size;
u64 gpu_va;
u32 i;
gk20a_dbg_fn("");
/* Circular Buffer */
if (!c->vpr || (gr->global_ctx_buffer[CIRCULAR_VPR].sgt == NULL)) {
sgt = gr->global_ctx_buffer[CIRCULAR].sgt;
size = gr->global_ctx_buffer[CIRCULAR].size;
} else {
sgt = gr->global_ctx_buffer[CIRCULAR_VPR].sgt;
size = gr->global_ctx_buffer[CIRCULAR_VPR].size;
}
gpu_va = gk20a_gmmu_map(ch_vm, &sgt, size,
NVGPU_MAP_BUFFER_FLAGS_CACHEABLE_TRUE,
gk20a_mem_flag_none);
if (!gpu_va)
goto clean_up;
g_bfr_va[CIRCULAR_VA] = gpu_va;
g_bfr_size[CIRCULAR_VA] = size;
/* Attribute Buffer */
if (!c->vpr || (gr->global_ctx_buffer[ATTRIBUTE_VPR].sgt == NULL)) {
sgt = gr->global_ctx_buffer[ATTRIBUTE].sgt;
size = gr->global_ctx_buffer[ATTRIBUTE].size;
} else {
sgt = gr->global_ctx_buffer[ATTRIBUTE_VPR].sgt;
size = gr->global_ctx_buffer[ATTRIBUTE_VPR].size;
}
gpu_va = gk20a_gmmu_map(ch_vm, &sgt, size,
NVGPU_MAP_BUFFER_FLAGS_CACHEABLE_TRUE,
gk20a_mem_flag_none);
if (!gpu_va)
goto clean_up;
g_bfr_va[ATTRIBUTE_VA] = gpu_va;
g_bfr_size[ATTRIBUTE_VA] = size;
/* Page Pool */
if (!c->vpr || (gr->global_ctx_buffer[PAGEPOOL_VPR].sgt == NULL)) {
sgt = gr->global_ctx_buffer[PAGEPOOL].sgt;
size = gr->global_ctx_buffer[PAGEPOOL].size;
} else {
sgt = gr->global_ctx_buffer[PAGEPOOL_VPR].sgt;
size = gr->global_ctx_buffer[PAGEPOOL_VPR].size;
}
gpu_va = gk20a_gmmu_map(ch_vm, &sgt, size,
NVGPU_MAP_BUFFER_FLAGS_CACHEABLE_TRUE,
gk20a_mem_flag_none);
if (!gpu_va)
goto clean_up;
g_bfr_va[PAGEPOOL_VA] = gpu_va;
g_bfr_size[PAGEPOOL_VA] = size;
/* Golden Image */
sgt = gr->global_ctx_buffer[GOLDEN_CTX].sgt;
size = gr->global_ctx_buffer[GOLDEN_CTX].size;
gpu_va = gk20a_gmmu_map(ch_vm, &sgt, size, 0,
gk20a_mem_flag_none);
if (!gpu_va)
goto clean_up;
g_bfr_va[GOLDEN_CTX_VA] = gpu_va;
g_bfr_size[GOLDEN_CTX_VA] = size;
/* Priv register Access Map */
sgt = gr->global_ctx_buffer[PRIV_ACCESS_MAP].sgt;
size = gr->global_ctx_buffer[PRIV_ACCESS_MAP].size;
gpu_va = gk20a_gmmu_map(ch_vm, &sgt, size, 0,
gk20a_mem_flag_none);
if (!gpu_va)
goto clean_up;
g_bfr_va[PRIV_ACCESS_MAP_VA] = gpu_va;
g_bfr_size[PRIV_ACCESS_MAP_VA] = size;
c->ch_ctx.global_ctx_buffer_mapped = true;
return 0;
clean_up:
for (i = 0; i < NR_GLOBAL_CTX_BUF_VA; i++) {
if (g_bfr_va[i]) {
gk20a_gmmu_unmap(ch_vm, g_bfr_va[i],
gr->global_ctx_buffer[i].size,
gk20a_mem_flag_none);
g_bfr_va[i] = 0;
}
}
return -ENOMEM;
}
static void gr_gk20a_unmap_global_ctx_buffers(struct channel_gk20a *c)
{
struct vm_gk20a *ch_vm = c->vm;
u64 *g_bfr_va = c->ch_ctx.global_ctx_buffer_va;
u64 *g_bfr_size = c->ch_ctx.global_ctx_buffer_size;
u32 i;
gk20a_dbg_fn("");
for (i = 0; i < NR_GLOBAL_CTX_BUF_VA; i++) {
if (g_bfr_va[i]) {
gk20a_gmmu_unmap(ch_vm, g_bfr_va[i],
g_bfr_size[i],
gk20a_mem_flag_none);
g_bfr_va[i] = 0;
g_bfr_size[i] = 0;
}
}
c->ch_ctx.global_ctx_buffer_mapped = false;
}
static int __gr_gk20a_alloc_gr_ctx(struct gk20a *g,
struct gr_ctx_desc **__gr_ctx, struct vm_gk20a *vm)
{
struct gr_ctx_desc *gr_ctx = NULL;
struct gr_gk20a *gr = &g->gr;
struct device *d = dev_from_gk20a(g);
struct sg_table *sgt;
DEFINE_DMA_ATTRS(attrs);
int err = 0;
dma_addr_t iova;
gk20a_dbg_fn("");
if (gr->ctx_vars.buffer_size == 0)
return 0;
/* alloc channel gr ctx buffer */
gr->ctx_vars.buffer_size = gr->ctx_vars.golden_image_size;
gr->ctx_vars.buffer_total_size = gr->ctx_vars.golden_image_size;
gr_ctx = kzalloc(sizeof(*gr_ctx), GFP_KERNEL);
if (!gr_ctx)
return -ENOMEM;
gr_ctx->size = gr->ctx_vars.buffer_total_size;
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
gr_ctx->pages = dma_alloc_attrs(d, gr_ctx->size,
&iova, GFP_KERNEL, &attrs);
if (!gr_ctx->pages) {
err = -ENOMEM;
goto err_free_ctx;
}
gr_ctx->iova = iova;
err = gk20a_get_sgtable_from_pages(d, &sgt, gr_ctx->pages,
gr_ctx->iova, gr_ctx->size);
if (err)
goto err_free;
gr_ctx->gpu_va = gk20a_gmmu_map(vm, &sgt, gr_ctx->size,
NVGPU_MAP_BUFFER_FLAGS_CACHEABLE_TRUE,
gk20a_mem_flag_none);
if (!gr_ctx->gpu_va)
goto err_free_sgt;
gk20a_free_sgtable(&sgt);
*__gr_ctx = gr_ctx;
return 0;
err_free_sgt:
gk20a_free_sgtable(&sgt);
err_free:
dma_free_attrs(d, gr_ctx->size,
gr_ctx->pages, gr_ctx->iova, &attrs);
gr_ctx->pages = NULL;
gr_ctx->iova = 0;
err_free_ctx:
kfree(gr_ctx);
gr_ctx = NULL;
return err;
}
static int gr_gk20a_alloc_tsg_gr_ctx(struct gk20a *g,
struct tsg_gk20a *tsg)
{
struct gr_ctx_desc **gr_ctx = &tsg->tsg_gr_ctx;
int err;
if (!tsg->vm) {
gk20a_err(dev_from_gk20a(tsg->g), "No address space bound\n");
return -ENOMEM;
}
err = __gr_gk20a_alloc_gr_ctx(g, gr_ctx, tsg->vm);
if (err)
return err;
return 0;
}
static int gr_gk20a_alloc_channel_gr_ctx(struct gk20a *g,
struct channel_gk20a *c)
{
struct gr_ctx_desc **gr_ctx = &c->ch_ctx.gr_ctx;
int err = __gr_gk20a_alloc_gr_ctx(g, gr_ctx, c->vm);
if (err)
return err;
return 0;
}
static void __gr_gk20a_free_gr_ctx(struct gk20a *g,
struct vm_gk20a *vm, struct gr_ctx_desc *gr_ctx)
{
struct device *d = dev_from_gk20a(g);
DEFINE_DMA_ATTRS(attrs);
gk20a_dbg_fn("");
if (!gr_ctx || !gr_ctx->gpu_va)
return;
gk20a_gmmu_unmap(vm, gr_ctx->gpu_va,
gr_ctx->size, gk20a_mem_flag_none);
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
dma_free_attrs(d, gr_ctx->size,
gr_ctx->pages, gr_ctx->iova, &attrs);
gr_ctx->pages = NULL;
gr_ctx->iova = 0;
kfree(gr_ctx);
}
void gr_gk20a_free_tsg_gr_ctx(struct tsg_gk20a *tsg)
{
if (!tsg->vm) {
gk20a_err(dev_from_gk20a(tsg->g), "No address space bound\n");
return;
}
__gr_gk20a_free_gr_ctx(tsg->g, tsg->vm, tsg->tsg_gr_ctx);
}
static void gr_gk20a_free_channel_gr_ctx(struct channel_gk20a *c)
{
__gr_gk20a_free_gr_ctx(c->g, c->vm, c->ch_ctx.gr_ctx);
}
static int gr_gk20a_alloc_channel_patch_ctx(struct gk20a *g,
struct channel_gk20a *c)
{
struct patch_desc *patch_ctx = &c->ch_ctx.patch_ctx;
struct device *d = dev_from_gk20a(g);
struct vm_gk20a *ch_vm = c->vm;
DEFINE_DMA_ATTRS(attrs);
struct sg_table *sgt;
int err = 0;
dma_addr_t iova;
gk20a_dbg_fn("");
patch_ctx->size = 128 * sizeof(u32);
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
patch_ctx->pages = dma_alloc_attrs(d, patch_ctx->size,
&iova, GFP_KERNEL,
&attrs);
if (!patch_ctx->pages)
return -ENOMEM;
patch_ctx->iova = iova;
err = gk20a_get_sgtable_from_pages(d, &sgt, patch_ctx->pages,
patch_ctx->iova, patch_ctx->size);
if (err)
goto err_free;
patch_ctx->gpu_va = gk20a_gmmu_map(ch_vm, &sgt, patch_ctx->size,
0, gk20a_mem_flag_none);
if (!patch_ctx->gpu_va)
goto err_free_sgtable;
gk20a_free_sgtable(&sgt);
gk20a_dbg_fn("done");
return 0;
err_free_sgtable:
gk20a_free_sgtable(&sgt);
err_free:
dma_free_attrs(d, patch_ctx->size,
patch_ctx->pages, patch_ctx->iova, &attrs);
patch_ctx->pages = NULL;
patch_ctx->iova = 0;
gk20a_err(dev_from_gk20a(g), "fail");
return err;
}
static void gr_gk20a_unmap_channel_patch_ctx(struct channel_gk20a *c)
{
struct patch_desc *patch_ctx = &c->ch_ctx.patch_ctx;
struct vm_gk20a *ch_vm = c->vm;
gk20a_dbg_fn("");
if (patch_ctx->gpu_va)
gk20a_gmmu_unmap(ch_vm, patch_ctx->gpu_va,
patch_ctx->size, gk20a_mem_flag_none);
patch_ctx->gpu_va = 0;
patch_ctx->data_count = 0;
}
static void gr_gk20a_free_channel_patch_ctx(struct channel_gk20a *c)
{
struct patch_desc *patch_ctx = &c->ch_ctx.patch_ctx;
struct gk20a *g = c->g;
struct device *d = dev_from_gk20a(g);
DEFINE_DMA_ATTRS(attrs);
gk20a_dbg_fn("");
gr_gk20a_unmap_channel_patch_ctx(c);
if (patch_ctx->pages) {
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
dma_free_attrs(d, patch_ctx->size,
patch_ctx->pages, patch_ctx->iova, &attrs);
patch_ctx->pages = NULL;
patch_ctx->iova = 0;
}
}
void gk20a_free_channel_ctx(struct channel_gk20a *c)
{
gr_gk20a_unmap_global_ctx_buffers(c);
gr_gk20a_free_channel_patch_ctx(c);
if (!gk20a_is_channel_marked_as_tsg(c))
gr_gk20a_free_channel_gr_ctx(c);
/* zcull_ctx, pm_ctx */
memset(&c->ch_ctx, 0, sizeof(struct channel_ctx_gk20a));
c->num_objects = 0;
c->first_init = false;
}
static bool gr_gk20a_is_valid_class(struct gk20a *g, u32 class_num)
{
bool valid = false;
switch (class_num) {
case KEPLER_COMPUTE_A:
case KEPLER_C:
case FERMI_TWOD_A:
case KEPLER_DMA_COPY_A:
valid = true;
break;
default:
break;
}
return valid;
}
int gk20a_alloc_obj_ctx(struct channel_gk20a *c,
struct nvgpu_alloc_obj_ctx_args *args)
{
struct gk20a *g = c->g;
struct fifo_gk20a *f = &g->fifo;
struct channel_ctx_gk20a *ch_ctx = &c->ch_ctx;
struct tsg_gk20a *tsg = NULL;
int err = 0;
gk20a_dbg_fn("");
/* an address space needs to have been bound at this point.*/
if (!gk20a_channel_as_bound(c) && !c->vm) {
gk20a_err(dev_from_gk20a(g),
"not bound to address space at time"
" of grctx allocation");
return -EINVAL;
}
if (!g->ops.gr.is_valid_class(g, args->class_num)) {
gk20a_err(dev_from_gk20a(g),
"invalid obj class 0x%x", args->class_num);
err = -EINVAL;
goto out;
}
c->obj_class = args->class_num;
if (gk20a_is_channel_marked_as_tsg(c))
tsg = &f->tsg[c->tsgid];
/* allocate gr ctx buffer */
if (!tsg) {
if (!ch_ctx->gr_ctx) {
err = gr_gk20a_alloc_channel_gr_ctx(g, c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to allocate gr ctx buffer");
goto out;
}
} else {
/*TBD: needs to be more subtle about which is
* being allocated as some are allowed to be
* allocated along same channel */
gk20a_err(dev_from_gk20a(g),
"too many classes alloc'd on same channel");
err = -EINVAL;
goto out;
}
} else {
if (!tsg->tsg_gr_ctx) {
tsg->vm = c->vm;
gk20a_vm_get(tsg->vm);
err = gr_gk20a_alloc_tsg_gr_ctx(g, tsg);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to allocate TSG gr ctx buffer");
gk20a_vm_put(tsg->vm);
tsg->vm = NULL;
goto out;
}
}
ch_ctx->gr_ctx = tsg->tsg_gr_ctx;
}
/* commit gr ctx buffer */
err = gr_gk20a_commit_inst(c, ch_ctx->gr_ctx->gpu_va);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to commit gr ctx buffer");
goto out;
}
/* allocate patch buffer */
if (ch_ctx->patch_ctx.pages == NULL) {
err = gr_gk20a_alloc_channel_patch_ctx(g, c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to allocate patch buffer");
goto out;
}
}
/* map global buffer to channel gpu_va and commit */
if (!ch_ctx->global_ctx_buffer_mapped) {
err = gr_gk20a_map_global_ctx_buffers(g, c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to map global ctx buffer");
goto out;
}
gr_gk20a_elpg_protected_call(g,
gr_gk20a_commit_global_ctx_buffers(g, c, true));
}
/* tweak any perf parameters per-context here */
if (args->class_num == KEPLER_COMPUTE_A) {
int begin_err;
u32 tex_lock_disable_mask =
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_m() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_tile_m() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_phase_m() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_tex_m() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_timeout_m() |
gr_gpcs_tpcs_sm_sch_texlock_dot_t_unlock_m();
u32 texlock = gk20a_readl(g, gr_gpcs_tpcs_sm_sch_texlock_r());
texlock = (texlock & ~tex_lock_disable_mask) |
(gr_gpcs_tpcs_sm_sch_texlock_tex_hash_disable_f() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_tile_disable_f() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_phase_disable_f() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_tex_disable_f() |
gr_gpcs_tpcs_sm_sch_texlock_tex_hash_timeout_disable_f() |
gr_gpcs_tpcs_sm_sch_texlock_dot_t_unlock_disable_f());
begin_err = gr_gk20a_ctx_patch_write_begin(g, ch_ctx);
if (!begin_err) {
err = gr_gk20a_ctx_patch_write(g, ch_ctx,
gr_gpcs_tpcs_sm_sch_texlock_r(),
texlock, true);
}
if ((begin_err || err)) {
gk20a_err(dev_from_gk20a(g),
"failed to set texlock for compute class");
}
if (!begin_err)
gr_gk20a_ctx_patch_write_end(g, ch_ctx);
}
/* init golden image, ELPG enabled after this is done */
err = gr_gk20a_init_golden_ctx_image(g, c);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to init golden ctx image");
goto out;
}
/* load golden image */
if (!c->first_init) {
err = gr_gk20a_elpg_protected_call(g,
gr_gk20a_load_golden_ctx_image(g, c));
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to load golden ctx image");
goto out;
}
c->first_init = true;
}
c->num_objects++;
gk20a_dbg_fn("done");
return 0;
out:
/* 1. gr_ctx, patch_ctx and global ctx buffer mapping
can be reused so no need to release them.
2. golden image init and load is a one time thing so if
they pass, no need to undo. */
gk20a_err(dev_from_gk20a(g), "fail");
return err;
}
int gk20a_free_obj_ctx(struct channel_gk20a *c,
struct nvgpu_free_obj_ctx_args *args)
{
unsigned long timeout = gk20a_get_gr_idle_timeout(c->g);
gk20a_dbg_fn("");
if (c->num_objects == 0)
return 0;
c->num_objects--;
if (c->num_objects == 0) {
c->first_init = false;
gk20a_disable_channel(c,
!c->has_timedout,
timeout);
gr_gk20a_unmap_channel_patch_ctx(c);
}
return 0;
}
static void gk20a_remove_gr_support(struct gr_gk20a *gr)
{
struct gk20a *g = gr->g;
struct device *d = dev_from_gk20a(g);
DEFINE_DMA_ATTRS(attrs);
gk20a_dbg_fn("");
gr_gk20a_free_global_ctx_buffers(g);
dma_free_coherent(d, gr->mmu_wr_mem.size,
gr->mmu_wr_mem.cpuva, gr->mmu_wr_mem.iova);
gr->mmu_wr_mem.cpuva = NULL;
gr->mmu_wr_mem.iova = 0;
dma_free_coherent(d, gr->mmu_rd_mem.size,
gr->mmu_rd_mem.cpuva, gr->mmu_rd_mem.iova);
gr->mmu_rd_mem.cpuva = NULL;
gr->mmu_rd_mem.iova = 0;
dma_set_attr(DMA_ATTR_NO_KERNEL_MAPPING, &attrs);
dma_free_attrs(d, gr->compbit_store.size, gr->compbit_store.pages,
gr->compbit_store.base_iova, &attrs);
memset(&gr->mmu_wr_mem, 0, sizeof(struct mmu_desc));
memset(&gr->mmu_rd_mem, 0, sizeof(struct mmu_desc));
memset(&gr->compbit_store, 0, sizeof(struct compbit_store_desc));
kfree(gr->gpc_tpc_count);
kfree(gr->gpc_zcb_count);
kfree(gr->gpc_ppc_count);
kfree(gr->pes_tpc_count[0]);
kfree(gr->pes_tpc_count[1]);
kfree(gr->pes_tpc_mask[0]);
kfree(gr->pes_tpc_mask[1]);
kfree(gr->gpc_skip_mask);
kfree(gr->map_tiles);
gr->gpc_tpc_count = NULL;
gr->gpc_zcb_count = NULL;
gr->gpc_ppc_count = NULL;
gr->pes_tpc_count[0] = NULL;
gr->pes_tpc_count[1] = NULL;
gr->pes_tpc_mask[0] = NULL;
gr->pes_tpc_mask[1] = NULL;
gr->gpc_skip_mask = NULL;
gr->map_tiles = NULL;
kfree(gr->ctx_vars.ucode.fecs.inst.l);
kfree(gr->ctx_vars.ucode.fecs.data.l);
kfree(gr->ctx_vars.ucode.gpccs.inst.l);
kfree(gr->ctx_vars.ucode.gpccs.data.l);
kfree(gr->ctx_vars.sw_bundle_init.l);
kfree(gr->ctx_vars.sw_method_init.l);
kfree(gr->ctx_vars.sw_ctx_load.l);
kfree(gr->ctx_vars.sw_non_ctx_load.l);
kfree(gr->ctx_vars.ctxsw_regs.sys.l);
kfree(gr->ctx_vars.ctxsw_regs.gpc.l);
kfree(gr->ctx_vars.ctxsw_regs.tpc.l);
kfree(gr->ctx_vars.ctxsw_regs.zcull_gpc.l);
kfree(gr->ctx_vars.ctxsw_regs.ppc.l);
kfree(gr->ctx_vars.ctxsw_regs.pm_sys.l);
kfree(gr->ctx_vars.ctxsw_regs.pm_gpc.l);
kfree(gr->ctx_vars.ctxsw_regs.pm_tpc.l);
kfree(gr->ctx_vars.local_golden_image);
gr->ctx_vars.local_golden_image = NULL;
gk20a_allocator_destroy(&gr->comp_tags);
}
static void gr_gk20a_bundle_cb_defaults(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
gr->bundle_cb_default_size =
gr_scc_bundle_cb_size_div_256b__prod_v();
gr->min_gpm_fifo_depth =
gr_pd_ab_dist_cfg2_state_limit_min_gpm_fifo_depths_v();
gr->bundle_cb_token_limit =
gr_pd_ab_dist_cfg2_token_limit_init_v();
}
static int gr_gk20a_init_gr_config(struct gk20a *g, struct gr_gk20a *gr)
{
u32 gpc_index, pes_index;
u32 pes_tpc_mask;
u32 pes_tpc_count;
u32 pes_heavy_index;
u32 gpc_new_skip_mask;
u32 tmp;
tmp = gk20a_readl(g, pri_ringmaster_enum_fbp_r());
gr->num_fbps = pri_ringmaster_enum_fbp_count_v(tmp);
tmp = gk20a_readl(g, top_num_gpcs_r());
gr->max_gpc_count = top_num_gpcs_value_v(tmp);
tmp = gk20a_readl(g, top_num_fbps_r());
gr->max_fbps_count = top_num_fbps_value_v(tmp);
tmp = gk20a_readl(g, top_tpc_per_gpc_r());
gr->max_tpc_per_gpc_count = top_tpc_per_gpc_value_v(tmp);
gr->max_tpc_count = gr->max_gpc_count * gr->max_tpc_per_gpc_count;
tmp = gk20a_readl(g, top_num_fbps_r());
gr->sys_count = top_num_fbps_value_v(tmp);
tmp = gk20a_readl(g, pri_ringmaster_enum_gpc_r());
gr->gpc_count = pri_ringmaster_enum_gpc_count_v(tmp);
gr->pe_count_per_gpc = proj_scal_litter_num_pes_per_gpc_v();
gr->max_zcull_per_gpc_count = proj_scal_litter_num_zcull_banks_v();
if (!gr->gpc_count) {
gk20a_err(dev_from_gk20a(g), "gpc_count==0!");
goto clean_up;
}
gr->gpc_tpc_count = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->gpc_tpc_mask = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->gpc_zcb_count = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->gpc_ppc_count = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->pes_tpc_count[0] = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->pes_tpc_count[1] = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->pes_tpc_mask[0] = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->pes_tpc_mask[1] = kzalloc(gr->gpc_count * sizeof(u32), GFP_KERNEL);
gr->gpc_skip_mask =
kzalloc(gr_pd_dist_skip_table__size_1_v() * 4 * sizeof(u32),
GFP_KERNEL);
if (!gr->gpc_tpc_count || !gr->gpc_zcb_count || !gr->gpc_ppc_count ||
!gr->pes_tpc_count[0] || !gr->pes_tpc_count[1] ||
!gr->pes_tpc_mask[0] || !gr->pes_tpc_mask[1] || !gr->gpc_skip_mask)
goto clean_up;
gr->ppc_count = 0;
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
tmp = gk20a_readl(g, gr_gpc0_fs_gpc_r());
gr->gpc_tpc_count[gpc_index] =
gr_gpc0_fs_gpc_num_available_tpcs_v(tmp);
gr->tpc_count += gr->gpc_tpc_count[gpc_index];
gr->gpc_zcb_count[gpc_index] =
gr_gpc0_fs_gpc_num_available_zculls_v(tmp);
gr->zcb_count += gr->gpc_zcb_count[gpc_index];
gr->gpc_ppc_count[gpc_index] = gr->pe_count_per_gpc;
gr->ppc_count += gr->gpc_ppc_count[gpc_index];
if (g->ops.gr.get_gpc_tpc_mask)
gr->gpc_tpc_mask[gpc_index] =
g->ops.gr.get_gpc_tpc_mask(g, gpc_index);
for (pes_index = 0; pes_index < gr->pe_count_per_gpc; pes_index++) {
tmp = gk20a_readl(g,
gr_gpc0_gpm_pd_pes_tpc_id_mask_r(pes_index) +
gpc_index * proj_gpc_stride_v());
pes_tpc_mask = gr_gpc0_gpm_pd_pes_tpc_id_mask_mask_v(tmp);
pes_tpc_count = count_bits(pes_tpc_mask);
gr->pes_tpc_count[pes_index][gpc_index] = pes_tpc_count;
gr->pes_tpc_mask[pes_index][gpc_index] = pes_tpc_mask;
}
gpc_new_skip_mask = 0;
if (gr->pes_tpc_count[0][gpc_index] +
gr->pes_tpc_count[1][gpc_index] == 5) {
pes_heavy_index =
gr->pes_tpc_count[0][gpc_index] >
gr->pes_tpc_count[1][gpc_index] ? 0 : 1;
gpc_new_skip_mask =
gr->pes_tpc_mask[pes_heavy_index][gpc_index] ^
(gr->pes_tpc_mask[pes_heavy_index][gpc_index] &
(gr->pes_tpc_mask[pes_heavy_index][gpc_index] - 1));
} else if ((gr->pes_tpc_count[0][gpc_index] +
gr->pes_tpc_count[1][gpc_index] == 4) &&
(gr->pes_tpc_count[0][gpc_index] !=
gr->pes_tpc_count[1][gpc_index])) {
pes_heavy_index =
gr->pes_tpc_count[0][gpc_index] >
gr->pes_tpc_count[1][gpc_index] ? 0 : 1;
gpc_new_skip_mask =
gr->pes_tpc_mask[pes_heavy_index][gpc_index] ^
(gr->pes_tpc_mask[pes_heavy_index][gpc_index] &
(gr->pes_tpc_mask[pes_heavy_index][gpc_index] - 1));
}
gr->gpc_skip_mask[gpc_index] = gpc_new_skip_mask;
}
gk20a_dbg_info("fbps: %d", gr->num_fbps);
gk20a_dbg_info("max_gpc_count: %d", gr->max_gpc_count);
gk20a_dbg_info("max_fbps_count: %d", gr->max_fbps_count);
gk20a_dbg_info("max_tpc_per_gpc_count: %d", gr->max_tpc_per_gpc_count);
gk20a_dbg_info("max_zcull_per_gpc_count: %d", gr->max_zcull_per_gpc_count);
gk20a_dbg_info("max_tpc_count: %d", gr->max_tpc_count);
gk20a_dbg_info("sys_count: %d", gr->sys_count);
gk20a_dbg_info("gpc_count: %d", gr->gpc_count);
gk20a_dbg_info("pe_count_per_gpc: %d", gr->pe_count_per_gpc);
gk20a_dbg_info("tpc_count: %d", gr->tpc_count);
gk20a_dbg_info("ppc_count: %d", gr->ppc_count);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++)
gk20a_dbg_info("gpc_tpc_count[%d] : %d",
gpc_index, gr->gpc_tpc_count[gpc_index]);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++)
gk20a_dbg_info("gpc_zcb_count[%d] : %d",
gpc_index, gr->gpc_zcb_count[gpc_index]);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++)
gk20a_dbg_info("gpc_ppc_count[%d] : %d",
gpc_index, gr->gpc_ppc_count[gpc_index]);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++)
gk20a_dbg_info("gpc_skip_mask[%d] : %d",
gpc_index, gr->gpc_skip_mask[gpc_index]);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++)
for (pes_index = 0;
pes_index < gr->pe_count_per_gpc;
pes_index++)
gk20a_dbg_info("pes_tpc_count[%d][%d] : %d",
pes_index, gpc_index,
gr->pes_tpc_count[pes_index][gpc_index]);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++)
for (pes_index = 0;
pes_index < gr->pe_count_per_gpc;
pes_index++)
gk20a_dbg_info("pes_tpc_mask[%d][%d] : %d",
pes_index, gpc_index,
gr->pes_tpc_mask[pes_index][gpc_index]);
g->ops.gr.bundle_cb_defaults(g);
g->ops.gr.cb_size_default(g);
g->ops.gr.calc_global_ctx_buffer_size(g);
gr->timeslice_mode = gr_gpcs_ppcs_cbm_cfg_timeslice_mode_enable_v();
gk20a_dbg_info("bundle_cb_default_size: %d",
gr->bundle_cb_default_size);
gk20a_dbg_info("min_gpm_fifo_depth: %d", gr->min_gpm_fifo_depth);
gk20a_dbg_info("bundle_cb_token_limit: %d", gr->bundle_cb_token_limit);
gk20a_dbg_info("attrib_cb_default_size: %d",
gr->attrib_cb_default_size);
gk20a_dbg_info("attrib_cb_size: %d", gr->attrib_cb_size);
gk20a_dbg_info("alpha_cb_default_size: %d", gr->alpha_cb_default_size);
gk20a_dbg_info("alpha_cb_size: %d", gr->alpha_cb_size);
gk20a_dbg_info("timeslice_mode: %d", gr->timeslice_mode);
return 0;
clean_up:
return -ENOMEM;
}
static int gr_gk20a_init_mmu_sw(struct gk20a *g, struct gr_gk20a *gr)
{
struct device *d = dev_from_gk20a(g);
dma_addr_t iova;
gr->mmu_wr_mem_size = gr->mmu_rd_mem_size = 0x1000;
gr->mmu_wr_mem.size = gr->mmu_wr_mem_size;
gr->mmu_wr_mem.cpuva = dma_zalloc_coherent(d, gr->mmu_wr_mem_size,
&iova, GFP_KERNEL);
if (!gr->mmu_wr_mem.cpuva)
goto err;
gr->mmu_wr_mem.iova = iova;
gr->mmu_rd_mem.size = gr->mmu_rd_mem_size;
gr->mmu_rd_mem.cpuva = dma_zalloc_coherent(d, gr->mmu_rd_mem_size,
&iova, GFP_KERNEL);
if (!gr->mmu_rd_mem.cpuva)
goto err_free_wr_mem;
gr->mmu_rd_mem.iova = iova;
return 0;
err_free_wr_mem:
dma_free_coherent(d, gr->mmu_wr_mem.size,
gr->mmu_wr_mem.cpuva, gr->mmu_wr_mem.iova);
gr->mmu_wr_mem.cpuva = NULL;
gr->mmu_wr_mem.iova = 0;
err:
return -ENOMEM;
}
static u32 prime_set[18] = {
2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53, 59, 61 };
static int gr_gk20a_init_map_tiles(struct gk20a *g, struct gr_gk20a *gr)
{
s32 comm_denom;
s32 mul_factor;
s32 *init_frac = NULL;
s32 *init_err = NULL;
s32 *run_err = NULL;
s32 *sorted_num_tpcs = NULL;
s32 *sorted_to_unsorted_gpc_map = NULL;
u32 gpc_index;
u32 gpc_mark = 0;
u32 num_tpc;
u32 max_tpc_count = 0;
u32 swap;
u32 tile_count;
u32 index;
bool delete_map = false;
bool gpc_sorted;
int ret = 0;
init_frac = kzalloc(proj_scal_max_gpcs_v() * sizeof(s32), GFP_KERNEL);
init_err = kzalloc(proj_scal_max_gpcs_v() * sizeof(s32), GFP_KERNEL);
run_err = kzalloc(proj_scal_max_gpcs_v() * sizeof(s32), GFP_KERNEL);
sorted_num_tpcs =
kzalloc(proj_scal_max_gpcs_v() *
proj_scal_max_tpc_per_gpc_v() * sizeof(s32),
GFP_KERNEL);
sorted_to_unsorted_gpc_map =
kzalloc(proj_scal_max_gpcs_v() * sizeof(s32), GFP_KERNEL);
if (!(init_frac && init_err && run_err && sorted_num_tpcs &&
sorted_to_unsorted_gpc_map)) {
ret = -ENOMEM;
goto clean_up;
}
gr->map_row_offset = INVALID_SCREEN_TILE_ROW_OFFSET;
if (gr->tpc_count == 3)
gr->map_row_offset = 2;
else if (gr->tpc_count < 3)
gr->map_row_offset = 1;
else {
gr->map_row_offset = 3;
for (index = 1; index < 18; index++) {
u32 prime = prime_set[index];
if ((gr->tpc_count % prime) != 0) {
gr->map_row_offset = prime;
break;
}
}
}
switch (gr->tpc_count) {
case 15:
gr->map_row_offset = 6;
break;
case 14:
gr->map_row_offset = 5;
break;
case 13:
gr->map_row_offset = 2;
break;
case 11:
gr->map_row_offset = 7;
break;
case 10:
gr->map_row_offset = 6;
break;
case 7:
case 5:
gr->map_row_offset = 1;
break;
default:
break;
}
if (gr->map_tiles) {
if (gr->map_tile_count != gr->tpc_count)
delete_map = true;
for (tile_count = 0; tile_count < gr->map_tile_count; tile_count++) {
if ((u32)gr->map_tiles[tile_count] >= gr->tpc_count)
delete_map = true;
}
if (delete_map) {
kfree(gr->map_tiles);
gr->map_tiles = NULL;
gr->map_tile_count = 0;
}
}
if (gr->map_tiles == NULL) {
gr->map_tile_count = proj_scal_max_gpcs_v();
gr->map_tiles = kzalloc(proj_scal_max_gpcs_v() * sizeof(u8), GFP_KERNEL);
if (gr->map_tiles == NULL) {
ret = -ENOMEM;
goto clean_up;
}
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
sorted_num_tpcs[gpc_index] = gr->gpc_tpc_count[gpc_index];
sorted_to_unsorted_gpc_map[gpc_index] = gpc_index;
}
gpc_sorted = false;
while (!gpc_sorted) {
gpc_sorted = true;
for (gpc_index = 0; gpc_index < gr->gpc_count - 1; gpc_index++) {
if (sorted_num_tpcs[gpc_index + 1] > sorted_num_tpcs[gpc_index]) {
gpc_sorted = false;
swap = sorted_num_tpcs[gpc_index];
sorted_num_tpcs[gpc_index] = sorted_num_tpcs[gpc_index + 1];
sorted_num_tpcs[gpc_index + 1] = swap;
swap = sorted_to_unsorted_gpc_map[gpc_index];
sorted_to_unsorted_gpc_map[gpc_index] =
sorted_to_unsorted_gpc_map[gpc_index + 1];
sorted_to_unsorted_gpc_map[gpc_index + 1] = swap;
}
}
}
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++)
if (gr->gpc_tpc_count[gpc_index] > max_tpc_count)
max_tpc_count = gr->gpc_tpc_count[gpc_index];
mul_factor = gr->gpc_count * max_tpc_count;
if (mul_factor & 0x1)
mul_factor = 2;
else
mul_factor = 1;
comm_denom = gr->gpc_count * max_tpc_count * mul_factor;
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
num_tpc = sorted_num_tpcs[gpc_index];
init_frac[gpc_index] = num_tpc * gr->gpc_count * mul_factor;
if (num_tpc != 0)
init_err[gpc_index] = gpc_index * max_tpc_count * mul_factor - comm_denom/2;
else
init_err[gpc_index] = 0;
run_err[gpc_index] = init_frac[gpc_index] + init_err[gpc_index];
}
while (gpc_mark < gr->tpc_count) {
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
if ((run_err[gpc_index] * 2) >= comm_denom) {
gr->map_tiles[gpc_mark++] = (u8)sorted_to_unsorted_gpc_map[gpc_index];
run_err[gpc_index] += init_frac[gpc_index] - comm_denom;
} else
run_err[gpc_index] += init_frac[gpc_index];
}
}
}
clean_up:
kfree(init_frac);
kfree(init_err);
kfree(run_err);
kfree(sorted_num_tpcs);
kfree(sorted_to_unsorted_gpc_map);
if (ret)
gk20a_err(dev_from_gk20a(g), "fail");
else
gk20a_dbg_fn("done");
return ret;
}
static int gr_gk20a_init_zcull(struct gk20a *g, struct gr_gk20a *gr)
{
struct gr_zcull_gk20a *zcull = &gr->zcull;
zcull->aliquot_width = gr->tpc_count * 16;
zcull->aliquot_height = 16;
zcull->width_align_pixels = gr->tpc_count * 16;
zcull->height_align_pixels = 32;
zcull->aliquot_size =
zcull->aliquot_width * zcull->aliquot_height;
/* assume no floor sweeping since we only have 1 tpc in 1 gpc */
zcull->pixel_squares_by_aliquots =
gr->zcb_count * 16 * 16 * gr->tpc_count /
(gr->gpc_count * gr->gpc_tpc_count[0]);
zcull->total_aliquots =
gr_gpc0_zcull_total_ram_size_num_aliquots_f(
gk20a_readl(g, gr_gpc0_zcull_total_ram_size_r()));
return 0;
}
u32 gr_gk20a_get_ctxsw_zcull_size(struct gk20a *g, struct gr_gk20a *gr)
{
/* assuming gr has already been initialized */
return gr->ctx_vars.zcull_ctxsw_image_size;
}
int gr_gk20a_bind_ctxsw_zcull(struct gk20a *g, struct gr_gk20a *gr,
struct channel_gk20a *c, u64 zcull_va, u32 mode)
{
struct zcull_ctx_desc *zcull_ctx = &c->ch_ctx.zcull_ctx;
zcull_ctx->ctx_sw_mode = mode;
zcull_ctx->gpu_va = zcull_va;
/* TBD: don't disable channel in sw method processing */
return gr_gk20a_ctx_zcull_setup(g, c, true);
}
int gr_gk20a_get_zcull_info(struct gk20a *g, struct gr_gk20a *gr,
struct gr_zcull_info *zcull_params)
{
struct gr_zcull_gk20a *zcull = &gr->zcull;
zcull_params->width_align_pixels = zcull->width_align_pixels;
zcull_params->height_align_pixels = zcull->height_align_pixels;
zcull_params->pixel_squares_by_aliquots =
zcull->pixel_squares_by_aliquots;
zcull_params->aliquot_total = zcull->total_aliquots;
zcull_params->region_byte_multiplier =
gr->gpc_count * gr_zcull_bytes_per_aliquot_per_gpu_v();
zcull_params->region_header_size =
proj_scal_litter_num_gpcs_v() *
gr_zcull_save_restore_header_bytes_per_gpc_v();
zcull_params->subregion_header_size =
proj_scal_litter_num_gpcs_v() *
gr_zcull_save_restore_subregion_header_bytes_per_gpc_v();
zcull_params->subregion_width_align_pixels =
gr->tpc_count * gr_gpc0_zcull_zcsize_width_subregion__multiple_v();
zcull_params->subregion_height_align_pixels =
gr_gpc0_zcull_zcsize_height_subregion__multiple_v();
zcull_params->subregion_count = gr_zcull_subregion_qty_v();
return 0;
}
static int gr_gk20a_add_zbc_color(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *color_val, u32 index)
{
struct fifo_gk20a *f = &g->fifo;
struct fifo_engine_info_gk20a *gr_info = f->engine_info + ENGINE_GR_GK20A;
u32 i;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 ret;
ret = gk20a_fifo_disable_engine_activity(g, gr_info, true);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to disable gr engine activity\n");
return ret;
}
ret = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to idle graphics\n");
goto clean_up;
}
/* update l2 table */
g->ops.ltc.set_zbc_color_entry(g, color_val, index);
/* update ds table */
gk20a_writel(g, gr_ds_zbc_color_r_r(),
gr_ds_zbc_color_r_val_f(color_val->color_ds[0]));
gk20a_writel(g, gr_ds_zbc_color_g_r(),
gr_ds_zbc_color_g_val_f(color_val->color_ds[1]));
gk20a_writel(g, gr_ds_zbc_color_b_r(),
gr_ds_zbc_color_b_val_f(color_val->color_ds[2]));
gk20a_writel(g, gr_ds_zbc_color_a_r(),
gr_ds_zbc_color_a_val_f(color_val->color_ds[3]));
gk20a_writel(g, gr_ds_zbc_color_fmt_r(),
gr_ds_zbc_color_fmt_val_f(color_val->format));
gk20a_writel(g, gr_ds_zbc_tbl_index_r(),
gr_ds_zbc_tbl_index_val_f(index + GK20A_STARTOF_ZBC_TABLE));
/* trigger the write */
gk20a_writel(g, gr_ds_zbc_tbl_ld_r(),
gr_ds_zbc_tbl_ld_select_c_f() |
gr_ds_zbc_tbl_ld_action_write_f() |
gr_ds_zbc_tbl_ld_trigger_active_f());
/* update local copy */
for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) {
gr->zbc_col_tbl[index].color_l2[i] = color_val->color_l2[i];
gr->zbc_col_tbl[index].color_ds[i] = color_val->color_ds[i];
}
gr->zbc_col_tbl[index].format = color_val->format;
gr->zbc_col_tbl[index].ref_cnt++;
clean_up:
ret = gk20a_fifo_enable_engine_activity(g, gr_info);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to enable gr engine activity\n");
}
return ret;
}
static int gr_gk20a_add_zbc_depth(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *depth_val, u32 index)
{
struct fifo_gk20a *f = &g->fifo;
struct fifo_engine_info_gk20a *gr_info = f->engine_info + ENGINE_GR_GK20A;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 ret;
ret = gk20a_fifo_disable_engine_activity(g, gr_info, true);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to disable gr engine activity\n");
return ret;
}
ret = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to idle graphics\n");
goto clean_up;
}
/* update l2 table */
g->ops.ltc.set_zbc_depth_entry(g, depth_val, index);
/* update ds table */
gk20a_writel(g, gr_ds_zbc_z_r(),
gr_ds_zbc_z_val_f(depth_val->depth));
gk20a_writel(g, gr_ds_zbc_z_fmt_r(),
gr_ds_zbc_z_fmt_val_f(depth_val->format));
gk20a_writel(g, gr_ds_zbc_tbl_index_r(),
gr_ds_zbc_tbl_index_val_f(index + GK20A_STARTOF_ZBC_TABLE));
/* trigger the write */
gk20a_writel(g, gr_ds_zbc_tbl_ld_r(),
gr_ds_zbc_tbl_ld_select_z_f() |
gr_ds_zbc_tbl_ld_action_write_f() |
gr_ds_zbc_tbl_ld_trigger_active_f());
/* update local copy */
gr->zbc_dep_tbl[index].depth = depth_val->depth;
gr->zbc_dep_tbl[index].format = depth_val->format;
gr->zbc_dep_tbl[index].ref_cnt++;
clean_up:
ret = gk20a_fifo_enable_engine_activity(g, gr_info);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to enable gr engine activity\n");
}
return ret;
}
void gr_gk20a_pmu_save_zbc(struct gk20a *g, u32 entries)
{
struct fifo_gk20a *f = &g->fifo;
struct fifo_engine_info_gk20a *gr_info =
f->engine_info + ENGINE_GR_GK20A;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 ret;
ret = gk20a_fifo_disable_engine_activity(g, gr_info, true);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to disable gr engine activity\n");
return;
}
ret = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to idle graphics\n");
goto clean_up;
}
/* update zbc */
gk20a_pmu_save_zbc(g, entries);
clean_up:
ret = gk20a_fifo_enable_engine_activity(g, gr_info);
if (ret) {
gk20a_err(dev_from_gk20a(g),
"failed to enable gr engine activity\n");
}
return;
}
int gr_gk20a_add_zbc(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *zbc_val)
{
struct zbc_color_table *c_tbl;
struct zbc_depth_table *d_tbl;
u32 i, ret = -ENOMEM;
bool added = false;
u32 entries;
/* no endian swap ? */
mutex_lock(&gr->zbc_lock);
switch (zbc_val->type) {
case GK20A_ZBC_TYPE_COLOR:
/* search existing tables */
for (i = 0; i < gr->max_used_color_index; i++) {
c_tbl = &gr->zbc_col_tbl[i];
if (c_tbl->ref_cnt && c_tbl->format == zbc_val->format &&
memcmp(c_tbl->color_ds, zbc_val->color_ds,
sizeof(zbc_val->color_ds)) == 0) {
if (memcmp(c_tbl->color_l2, zbc_val->color_l2,
sizeof(zbc_val->color_l2))) {
gk20a_err(dev_from_gk20a(g),
"zbc l2 and ds color don't match with existing entries");
ret = -EINVAL;
goto err_mutex;
}
added = true;
c_tbl->ref_cnt++;
ret = 0;
break;
}
}
/* add new table */
if (!added &&
gr->max_used_color_index < GK20A_ZBC_TABLE_SIZE) {
c_tbl =
&gr->zbc_col_tbl[gr->max_used_color_index];
WARN_ON(c_tbl->ref_cnt != 0);
ret = gr_gk20a_add_zbc_color(g, gr,
zbc_val, gr->max_used_color_index);
if (!ret)
gr->max_used_color_index++;
}
break;
case GK20A_ZBC_TYPE_DEPTH:
/* search existing tables */
for (i = 0; i < gr->max_used_depth_index; i++) {
d_tbl = &gr->zbc_dep_tbl[i];
if (d_tbl->ref_cnt &&
d_tbl->depth == zbc_val->depth &&
d_tbl->format == zbc_val->format) {
added = true;
d_tbl->ref_cnt++;
ret = 0;
break;
}
}
/* add new table */
if (!added &&
gr->max_used_depth_index < GK20A_ZBC_TABLE_SIZE) {
d_tbl =
&gr->zbc_dep_tbl[gr->max_used_depth_index];
WARN_ON(d_tbl->ref_cnt != 0);
ret = gr_gk20a_add_zbc_depth(g, gr,
zbc_val, gr->max_used_depth_index);
if (!ret)
gr->max_used_depth_index++;
}
break;
default:
gk20a_err(dev_from_gk20a(g),
"invalid zbc table type %d", zbc_val->type);
ret = -EINVAL;
goto err_mutex;
}
if (!added && ret == 0) {
/* update zbc for elpg only when new entry is added */
entries = max(gr->max_used_color_index,
gr->max_used_depth_index);
gr_gk20a_pmu_save_zbc(g, entries);
}
err_mutex:
mutex_unlock(&gr->zbc_lock);
return ret;
}
/* get a zbc table entry specified by index
* return table size when type is invalid */
int gr_gk20a_query_zbc(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_query_params *query_params)
{
u32 index = query_params->index_size;
u32 i;
switch (query_params->type) {
case GK20A_ZBC_TYPE_INVALID:
query_params->index_size = GK20A_ZBC_TABLE_SIZE;
break;
case GK20A_ZBC_TYPE_COLOR:
if (index >= GK20A_ZBC_TABLE_SIZE) {
gk20a_err(dev_from_gk20a(g),
"invalid zbc color table index\n");
return -EINVAL;
}
for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) {
query_params->color_l2[i] =
gr->zbc_col_tbl[index].color_l2[i];
query_params->color_ds[i] =
gr->zbc_col_tbl[index].color_ds[i];
}
query_params->format = gr->zbc_col_tbl[index].format;
query_params->ref_cnt = gr->zbc_col_tbl[index].ref_cnt;
break;
case GK20A_ZBC_TYPE_DEPTH:
if (index >= GK20A_ZBC_TABLE_SIZE) {
gk20a_err(dev_from_gk20a(g),
"invalid zbc depth table index\n");
return -EINVAL;
}
query_params->depth = gr->zbc_dep_tbl[index].depth;
query_params->format = gr->zbc_dep_tbl[index].format;
query_params->ref_cnt = gr->zbc_dep_tbl[index].ref_cnt;
break;
default:
gk20a_err(dev_from_gk20a(g),
"invalid zbc table type\n");
return -EINVAL;
}
return 0;
}
int gr_gk20a_load_zbc_table(struct gk20a *g, struct gr_gk20a *gr)
{
int i, ret;
mutex_init(&gr->zbc_lock);
for (i = 0; i < gr->max_used_color_index; i++) {
struct zbc_color_table *c_tbl = &gr->zbc_col_tbl[i];
struct zbc_entry zbc_val;
zbc_val.type = GK20A_ZBC_TYPE_COLOR;
memcpy(zbc_val.color_ds,
c_tbl->color_ds, sizeof(zbc_val.color_ds));
memcpy(zbc_val.color_l2,
c_tbl->color_l2, sizeof(zbc_val.color_l2));
zbc_val.format = c_tbl->format;
ret = gr_gk20a_add_zbc_color(g, gr, &zbc_val, i);
if (ret)
return ret;
}
for (i = 0; i < gr->max_used_depth_index; i++) {
struct zbc_depth_table *d_tbl = &gr->zbc_dep_tbl[i];
struct zbc_entry zbc_val;
zbc_val.type = GK20A_ZBC_TYPE_DEPTH;
zbc_val.depth = d_tbl->depth;
zbc_val.format = d_tbl->format;
ret = gr_gk20a_add_zbc_depth(g, gr, &zbc_val, i);
if (ret)
return ret;
}
return 0;
}
int gr_gk20a_load_zbc_default_table(struct gk20a *g, struct gr_gk20a *gr)
{
struct zbc_entry zbc_val;
u32 i, err;
/* load default color table */
zbc_val.type = GK20A_ZBC_TYPE_COLOR;
zbc_val.format = gr_ds_zbc_color_fmt_val_zero_v();
for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) {
zbc_val.color_ds[i] = 0;
zbc_val.color_l2[i] = 0;
}
err = gr_gk20a_add_zbc(g, gr, &zbc_val);
zbc_val.format = gr_ds_zbc_color_fmt_val_unorm_one_v();
for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) {
zbc_val.color_ds[i] = 0xffffffff;
zbc_val.color_l2[i] = 0x3f800000;
}
err |= gr_gk20a_add_zbc(g, gr, &zbc_val);
zbc_val.format = gr_ds_zbc_color_fmt_val_rf32_gf32_bf32_af32_v();
for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) {
zbc_val.color_ds[i] = 0;
zbc_val.color_l2[i] = 0;
}
err |= gr_gk20a_add_zbc(g, gr, &zbc_val);
zbc_val.format = gr_ds_zbc_color_fmt_val_rf32_gf32_bf32_af32_v();
for (i = 0; i < GK20A_ZBC_COLOR_VALUE_SIZE; i++) {
zbc_val.color_ds[i] = 0x3f800000;
zbc_val.color_l2[i] = 0x3f800000;
}
err |= gr_gk20a_add_zbc(g, gr, &zbc_val);
if (!err)
gr->max_default_color_index = 4;
else {
gk20a_err(dev_from_gk20a(g),
"fail to load default zbc color table\n");
return err;
}
/* load default depth table */
zbc_val.type = GK20A_ZBC_TYPE_DEPTH;
zbc_val.format = gr_ds_zbc_z_fmt_val_fp32_v();
zbc_val.depth = 0;
err = gr_gk20a_add_zbc(g, gr, &zbc_val);
zbc_val.format = gr_ds_zbc_z_fmt_val_fp32_v();
zbc_val.depth = 0x3f800000;
err |= gr_gk20a_add_zbc(g, gr, &zbc_val);
if (!err)
gr->max_default_depth_index = 2;
else {
gk20a_err(dev_from_gk20a(g),
"fail to load default zbc depth table\n");
return err;
}
return 0;
}
int gk20a_gr_zbc_set_table(struct gk20a *g, struct gr_gk20a *gr,
struct zbc_entry *zbc_val)
{
gk20a_dbg_fn("");
return gr_gk20a_elpg_protected_call(g,
gr_gk20a_add_zbc(g, gr, zbc_val));
}
void gr_gk20a_init_blcg_mode(struct gk20a *g, u32 mode, u32 engine)
{
u32 gate_ctrl;
gate_ctrl = gk20a_readl(g, therm_gate_ctrl_r(engine));
switch (mode) {
case BLCG_RUN:
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_blk_clk_m(),
therm_gate_ctrl_blk_clk_run_f());
break;
case BLCG_AUTO:
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_blk_clk_m(),
therm_gate_ctrl_blk_clk_auto_f());
break;
default:
gk20a_err(dev_from_gk20a(g),
"invalid blcg mode %d", mode);
return;
}
gk20a_writel(g, therm_gate_ctrl_r(engine), gate_ctrl);
}
void gr_gk20a_init_elcg_mode(struct gk20a *g, u32 mode, u32 engine)
{
u32 gate_ctrl, idle_filter;
gate_ctrl = gk20a_readl(g, therm_gate_ctrl_r(engine));
switch (mode) {
case ELCG_RUN:
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_eng_clk_m(),
therm_gate_ctrl_eng_clk_run_f());
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_eng_pwr_m(),
/* set elpg to auto to meet hw expectation */
therm_gate_ctrl_eng_pwr_auto_f());
break;
case ELCG_STOP:
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_eng_clk_m(),
therm_gate_ctrl_eng_clk_stop_f());
break;
case ELCG_AUTO:
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_eng_clk_m(),
therm_gate_ctrl_eng_clk_auto_f());
break;
default:
gk20a_err(dev_from_gk20a(g),
"invalid elcg mode %d", mode);
}
if (tegra_platform_is_linsim()) {
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_eng_delay_after_m(),
therm_gate_ctrl_eng_delay_after_f(4));
}
/* 2 * (1 << 9) = 1024 clks */
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_eng_idle_filt_exp_m(),
therm_gate_ctrl_eng_idle_filt_exp_f(9));
gate_ctrl = set_field(gate_ctrl,
therm_gate_ctrl_eng_idle_filt_mant_m(),
therm_gate_ctrl_eng_idle_filt_mant_f(2));
gk20a_writel(g, therm_gate_ctrl_r(engine), gate_ctrl);
/* default fecs_idle_filter to 0 */
idle_filter = gk20a_readl(g, therm_fecs_idle_filter_r());
idle_filter &= ~therm_fecs_idle_filter_value_m();
gk20a_writel(g, therm_fecs_idle_filter_r(), idle_filter);
/* default hubmmu_idle_filter to 0 */
idle_filter = gk20a_readl(g, therm_hubmmu_idle_filter_r());
idle_filter &= ~therm_hubmmu_idle_filter_value_m();
gk20a_writel(g, therm_hubmmu_idle_filter_r(), idle_filter);
}
static int gr_gk20a_zcull_init_hw(struct gk20a *g, struct gr_gk20a *gr)
{
u32 gpc_index, gpc_tpc_count, gpc_zcull_count;
u32 *zcull_map_tiles, *zcull_bank_counters;
u32 map_counter;
u32 rcp_conserv;
u32 offset;
bool floorsweep = false;
if (!gr->map_tiles)
return -1;
zcull_map_tiles = kzalloc(proj_scal_max_gpcs_v() *
proj_scal_max_tpc_per_gpc_v() * sizeof(u32), GFP_KERNEL);
if (!zcull_map_tiles) {
gk20a_err(dev_from_gk20a(g),
"failed to allocate zcull temp buffers");
return -ENOMEM;
}
zcull_bank_counters = kzalloc(proj_scal_max_gpcs_v() *
proj_scal_max_tpc_per_gpc_v() * sizeof(u32), GFP_KERNEL);
if (!zcull_bank_counters) {
gk20a_err(dev_from_gk20a(g),
"failed to allocate zcull temp buffers");
kfree(zcull_map_tiles);
return -ENOMEM;
}
for (map_counter = 0; map_counter < gr->tpc_count; map_counter++) {
zcull_map_tiles[map_counter] =
zcull_bank_counters[gr->map_tiles[map_counter]];
zcull_bank_counters[gr->map_tiles[map_counter]]++;
}
gk20a_writel(g, gr_gpcs_zcull_sm_in_gpc_number_map0_r(),
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_0_f(zcull_map_tiles[0]) |
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_1_f(zcull_map_tiles[1]) |
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_2_f(zcull_map_tiles[2]) |
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_3_f(zcull_map_tiles[3]) |
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_4_f(zcull_map_tiles[4]) |
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_5_f(zcull_map_tiles[5]) |
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_6_f(zcull_map_tiles[6]) |
gr_gpcs_zcull_sm_in_gpc_number_map0_tile_7_f(zcull_map_tiles[7]));
gk20a_writel(g, gr_gpcs_zcull_sm_in_gpc_number_map1_r(),
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_8_f(zcull_map_tiles[8]) |
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_9_f(zcull_map_tiles[9]) |
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_10_f(zcull_map_tiles[10]) |
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_11_f(zcull_map_tiles[11]) |
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_12_f(zcull_map_tiles[12]) |
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_13_f(zcull_map_tiles[13]) |
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_14_f(zcull_map_tiles[14]) |
gr_gpcs_zcull_sm_in_gpc_number_map1_tile_15_f(zcull_map_tiles[15]));
gk20a_writel(g, gr_gpcs_zcull_sm_in_gpc_number_map2_r(),
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_16_f(zcull_map_tiles[16]) |
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_17_f(zcull_map_tiles[17]) |
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_18_f(zcull_map_tiles[18]) |
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_19_f(zcull_map_tiles[19]) |
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_20_f(zcull_map_tiles[20]) |
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_21_f(zcull_map_tiles[21]) |
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_22_f(zcull_map_tiles[22]) |
gr_gpcs_zcull_sm_in_gpc_number_map2_tile_23_f(zcull_map_tiles[23]));
gk20a_writel(g, gr_gpcs_zcull_sm_in_gpc_number_map3_r(),
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_24_f(zcull_map_tiles[24]) |
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_25_f(zcull_map_tiles[25]) |
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_26_f(zcull_map_tiles[26]) |
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_27_f(zcull_map_tiles[27]) |
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_28_f(zcull_map_tiles[28]) |
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_29_f(zcull_map_tiles[29]) |
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_30_f(zcull_map_tiles[30]) |
gr_gpcs_zcull_sm_in_gpc_number_map3_tile_31_f(zcull_map_tiles[31]));
kfree(zcull_map_tiles);
kfree(zcull_bank_counters);
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
gpc_tpc_count = gr->gpc_tpc_count[gpc_index];
gpc_zcull_count = gr->gpc_zcb_count[gpc_index];
if (gpc_zcull_count != gr->max_zcull_per_gpc_count &&
gpc_zcull_count < gpc_tpc_count) {
gk20a_err(dev_from_gk20a(g),
"zcull_banks (%d) less than tpcs (%d) for gpc (%d)",
gpc_zcull_count, gpc_tpc_count, gpc_index);
return -EINVAL;
}
if (gpc_zcull_count != gr->max_zcull_per_gpc_count &&
gpc_zcull_count != 0)
floorsweep = true;
}
/* 1.0f / 1.0f * gr_gpc0_zcull_sm_num_rcp_conservative__max_v() */
rcp_conserv = gr_gpc0_zcull_sm_num_rcp_conservative__max_v();
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
offset = gpc_index * proj_gpc_stride_v();
if (floorsweep) {
gk20a_writel(g, gr_gpc0_zcull_ram_addr_r() + offset,
gr_gpc0_zcull_ram_addr_row_offset_f(gr->map_row_offset) |
gr_gpc0_zcull_ram_addr_tiles_per_hypertile_row_per_gpc_f(
gr->max_zcull_per_gpc_count));
} else {
gk20a_writel(g, gr_gpc0_zcull_ram_addr_r() + offset,
gr_gpc0_zcull_ram_addr_row_offset_f(gr->map_row_offset) |
gr_gpc0_zcull_ram_addr_tiles_per_hypertile_row_per_gpc_f(
gr->gpc_tpc_count[gpc_index]));
}
gk20a_writel(g, gr_gpc0_zcull_fs_r() + offset,
gr_gpc0_zcull_fs_num_active_banks_f(gr->gpc_zcb_count[gpc_index]) |
gr_gpc0_zcull_fs_num_sms_f(gr->tpc_count));
gk20a_writel(g, gr_gpc0_zcull_sm_num_rcp_r() + offset,
gr_gpc0_zcull_sm_num_rcp_conservative_f(rcp_conserv));
}
gk20a_writel(g, gr_gpcs_ppcs_wwdx_sm_num_rcp_r(),
gr_gpcs_ppcs_wwdx_sm_num_rcp_conservative_f(rcp_conserv));
return 0;
}
static void gk20a_gr_enable_gpc_exceptions(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
u32 tpc_mask;
gk20a_writel(g, gr_gpcs_tpcs_tpccs_tpc_exception_en_r(),
gr_gpcs_tpcs_tpccs_tpc_exception_en_sm_enabled_f());
tpc_mask =
gr_gpcs_gpccs_gpc_exception_en_tpc_f((1 << gr->tpc_count) - 1);
gk20a_writel(g, gr_gpcs_gpccs_gpc_exception_en_r(), tpc_mask);
}
void gr_gk20a_enable_hww_exceptions(struct gk20a *g)
{
/* enable exceptions */
gk20a_writel(g, gr_fe_hww_esr_r(),
gr_fe_hww_esr_en_enable_f() |
gr_fe_hww_esr_reset_active_f());
gk20a_writel(g, gr_memfmt_hww_esr_r(),
gr_memfmt_hww_esr_en_enable_f() |
gr_memfmt_hww_esr_reset_active_f());
gk20a_writel(g, gr_scc_hww_esr_r(),
gr_scc_hww_esr_en_enable_f() |
gr_scc_hww_esr_reset_active_f());
gk20a_writel(g, gr_mme_hww_esr_r(),
gr_mme_hww_esr_en_enable_f() |
gr_mme_hww_esr_reset_active_f());
gk20a_writel(g, gr_pd_hww_esr_r(),
gr_pd_hww_esr_en_enable_f() |
gr_pd_hww_esr_reset_active_f());
gk20a_writel(g, gr_sked_hww_esr_r(), /* enabled by default */
gr_sked_hww_esr_reset_active_f());
gk20a_writel(g, gr_ds_hww_esr_r(),
gr_ds_hww_esr_en_enabled_f() |
gr_ds_hww_esr_reset_task_f());
gk20a_writel(g, gr_ds_hww_report_mask_r(),
gr_ds_hww_report_mask_sph0_err_report_f() |
gr_ds_hww_report_mask_sph1_err_report_f() |
gr_ds_hww_report_mask_sph2_err_report_f() |
gr_ds_hww_report_mask_sph3_err_report_f() |
gr_ds_hww_report_mask_sph4_err_report_f() |
gr_ds_hww_report_mask_sph5_err_report_f() |
gr_ds_hww_report_mask_sph6_err_report_f() |
gr_ds_hww_report_mask_sph7_err_report_f() |
gr_ds_hww_report_mask_sph8_err_report_f() |
gr_ds_hww_report_mask_sph9_err_report_f() |
gr_ds_hww_report_mask_sph10_err_report_f() |
gr_ds_hww_report_mask_sph11_err_report_f() |
gr_ds_hww_report_mask_sph12_err_report_f() |
gr_ds_hww_report_mask_sph13_err_report_f() |
gr_ds_hww_report_mask_sph14_err_report_f() |
gr_ds_hww_report_mask_sph15_err_report_f() |
gr_ds_hww_report_mask_sph16_err_report_f() |
gr_ds_hww_report_mask_sph17_err_report_f() |
gr_ds_hww_report_mask_sph18_err_report_f() |
gr_ds_hww_report_mask_sph19_err_report_f() |
gr_ds_hww_report_mask_sph20_err_report_f() |
gr_ds_hww_report_mask_sph21_err_report_f() |
gr_ds_hww_report_mask_sph22_err_report_f() |
gr_ds_hww_report_mask_sph23_err_report_f());
}
static void gr_gk20a_set_hww_esr_report_mask(struct gk20a *g)
{
/* setup sm warp esr report masks */
gk20a_writel(g, gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_r(),
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_stack_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_api_stack_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_ret_empty_stack_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_pc_wrap_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_pc_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_pc_overflow_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_immc_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_reg_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_instr_encoding_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_sph_instr_combo_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_instr_param_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_invalid_const_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_oor_reg_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_oor_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_invalid_addr_space_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_instr_param2_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_invalid_const_addr_ldc_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_geometry_sm_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_divergent_report_f());
/* setup sm global esr report mask */
gk20a_writel(g, gr_gpcs_tpcs_sm_hww_global_esr_report_mask_r(),
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_sm_to_sm_fault_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_l1_error_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_multiple_warp_errors_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_physical_stack_overflow_error_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_bpt_int_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_bpt_pause_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_single_step_complete_report_f());
}
static int gk20a_init_gr_setup_hw(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
struct aiv_list_gk20a *sw_ctx_load = &g->gr.ctx_vars.sw_ctx_load;
struct av_list_gk20a *sw_method_init = &g->gr.ctx_vars.sw_method_init;
u32 data;
u64 addr;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 fe_go_idle_timeout_save;
u32 last_method_data = 0;
u32 i, err;
gk20a_dbg_fn("");
/* init mmu debug buffer */
addr = NV_MC_SMMU_VADDR_TRANSLATE(gr->mmu_wr_mem.iova);
addr >>= fb_mmu_debug_wr_addr_alignment_v();
gk20a_writel(g, fb_mmu_debug_wr_r(),
fb_mmu_debug_wr_aperture_vid_mem_f() |
fb_mmu_debug_wr_vol_false_f() |
fb_mmu_debug_wr_addr_f(addr));
addr = NV_MC_SMMU_VADDR_TRANSLATE(gr->mmu_rd_mem.iova);
addr >>= fb_mmu_debug_rd_addr_alignment_v();
gk20a_writel(g, fb_mmu_debug_rd_r(),
fb_mmu_debug_rd_aperture_vid_mem_f() |
fb_mmu_debug_rd_vol_false_f() |
fb_mmu_debug_rd_addr_f(addr));
if (g->ops.gr.init_gpc_mmu)
g->ops.gr.init_gpc_mmu(g);
/* load gr floorsweeping registers */
data = gk20a_readl(g, gr_gpc0_ppc0_pes_vsc_strem_r());
data = set_field(data, gr_gpc0_ppc0_pes_vsc_strem_master_pe_m(),
gr_gpc0_ppc0_pes_vsc_strem_master_pe_true_f());
gk20a_writel(g, gr_gpc0_ppc0_pes_vsc_strem_r(), data);
gr_gk20a_zcull_init_hw(g, gr);
if (g->elcg_enabled) {
gr_gk20a_init_elcg_mode(g, ELCG_AUTO, ENGINE_GR_GK20A);
gr_gk20a_init_elcg_mode(g, ELCG_AUTO, ENGINE_CE2_GK20A);
} else {
gr_gk20a_init_elcg_mode(g, ELCG_RUN, ENGINE_GR_GK20A);
gr_gk20a_init_elcg_mode(g, ELCG_RUN, ENGINE_CE2_GK20A);
}
/* Bug 1340570: increase the clock timeout to avoid potential
* operation failure at high gpcclk rate. Default values are 0x400.
*/
gk20a_writel(g, pri_ringstation_sys_master_config_r(0x15), 0x800);
gk20a_writel(g, pri_ringstation_gpc_master_config_r(0xa), 0x800);
gk20a_writel(g, pri_ringstation_fbp_master_config_r(0x8), 0x800);
/* enable fifo access */
gk20a_writel(g, gr_gpfifo_ctl_r(),
gr_gpfifo_ctl_access_enabled_f() |
gr_gpfifo_ctl_semaphore_access_enabled_f());
/* TBD: reload gr ucode when needed */
/* enable interrupts */
gk20a_writel(g, gr_intr_r(), 0xFFFFFFFF);
gk20a_writel(g, gr_intr_en_r(), 0xFFFFFFFF);
/* enable fecs error interrupts */
gk20a_writel(g, gr_fecs_host_int_enable_r(),
gr_fecs_host_int_enable_fault_during_ctxsw_enable_f() |
gr_fecs_host_int_enable_umimp_firmware_method_enable_f() |
gr_fecs_host_int_enable_umimp_illegal_method_enable_f() |
gr_fecs_host_int_enable_watchdog_enable_f());
g->ops.gr.enable_hww_exceptions(g);
g->ops.gr.set_hww_esr_report_mask(g);
/* enable TPC exceptions per GPC */
gk20a_gr_enable_gpc_exceptions(g);
/* TBD: ECC for L1/SM */
/* TBD: enable per BE exceptions */
/* reset and enable all exceptions */
gk20a_writel(g, gr_exception_r(), 0xFFFFFFFF);
gk20a_writel(g, gr_exception_en_r(), 0xFFFFFFFF);
gk20a_writel(g, gr_exception1_r(), 0xFFFFFFFF);
gk20a_writel(g, gr_exception1_en_r(), 0xFFFFFFFF);
gk20a_writel(g, gr_exception2_r(), 0xFFFFFFFF);
gk20a_writel(g, gr_exception2_en_r(), 0xFFFFFFFF);
/* ignore status from some units */
data = gk20a_readl(g, gr_status_mask_r());
gk20a_writel(g, gr_status_mask_r(), data & gr->status_disable_mask);
if (gr->sw_ready)
gr_gk20a_load_zbc_table(g, gr);
else
gr_gk20a_load_zbc_default_table(g, gr);
g->ops.ltc.init_cbc(g, gr);
/* load ctx init */
for (i = 0; i < sw_ctx_load->count; i++)
gk20a_writel(g, sw_ctx_load->l[i].addr,
sw_ctx_load->l[i].value);
err = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (err)
goto out;
/* save and disable fe_go_idle */
fe_go_idle_timeout_save =
gk20a_readl(g, gr_fe_go_idle_timeout_r());
gk20a_writel(g, gr_fe_go_idle_timeout_r(),
(fe_go_idle_timeout_save & gr_fe_go_idle_timeout_count_f(0)) |
gr_fe_go_idle_timeout_count_disabled_f());
/* override a few ctx state registers */
g->ops.gr.commit_global_cb_manager(g, NULL, false);
gr_gk20a_commit_global_timeslice(g, NULL, false);
/* floorsweep anything left */
g->ops.gr.init_fs_state(g);
err = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (err)
goto restore_fe_go_idle;
restore_fe_go_idle:
/* restore fe_go_idle */
gk20a_writel(g, gr_fe_go_idle_timeout_r(), fe_go_idle_timeout_save);
if (err || gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT))
goto out;
/* load method init */
if (sw_method_init->count) {
gk20a_writel(g, gr_pri_mme_shadow_raw_data_r(),
sw_method_init->l[0].value);
gk20a_writel(g, gr_pri_mme_shadow_raw_index_r(),
gr_pri_mme_shadow_raw_index_write_trigger_f() |
sw_method_init->l[0].addr);
last_method_data = sw_method_init->l[0].value;
}
for (i = 1; i < sw_method_init->count; i++) {
if (sw_method_init->l[i].value != last_method_data) {
gk20a_writel(g, gr_pri_mme_shadow_raw_data_r(),
sw_method_init->l[i].value);
last_method_data = sw_method_init->l[i].value;
}
gk20a_writel(g, gr_pri_mme_shadow_raw_index_r(),
gr_pri_mme_shadow_raw_index_write_trigger_f() |
sw_method_init->l[i].addr);
}
err = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (err)
goto out;
out:
gk20a_dbg_fn("done");
return 0;
}
static int gk20a_init_gr_prepare(struct gk20a *g)
{
u32 gpfifo_ctrl, pmc_en;
u32 err = 0;
/* disable fifo access */
pmc_en = gk20a_readl(g, mc_enable_r());
if (pmc_en & mc_enable_pgraph_enabled_f()) {
gpfifo_ctrl = gk20a_readl(g, gr_gpfifo_ctl_r());
gpfifo_ctrl &= ~gr_gpfifo_ctl_access_enabled_f();
gk20a_writel(g, gr_gpfifo_ctl_r(), gpfifo_ctrl);
}
/* reset gr engine */
gk20a_reset(g, mc_enable_pgraph_enabled_f()
| mc_enable_blg_enabled_f()
| mc_enable_perfmon_enabled_f());
/* slcg prod values */
g->ops.clock_gating.slcg_gr_load_gating_prod(g, g->slcg_enabled);
if (g->ops.clock_gating.slcg_ctxsw_firmware_load_gating_prod)
g->ops.clock_gating.slcg_ctxsw_firmware_load_gating_prod(g,
g->slcg_enabled);
g->ops.clock_gating.slcg_perf_load_gating_prod(g, g->slcg_enabled);
g->ops.clock_gating.blcg_gr_load_gating_prod(g, g->blcg_enabled);
if (g->ops.clock_gating.blcg_ctxsw_firmware_load_gating_prod)
g->ops.clock_gating.blcg_ctxsw_firmware_load_gating_prod(g,
g->blcg_enabled);
g->ops.clock_gating.pg_gr_load_gating_prod(g, true);
/* enable fifo access */
gk20a_writel(g, gr_gpfifo_ctl_r(),
gr_gpfifo_ctl_access_enabled_f() |
gr_gpfifo_ctl_semaphore_access_enabled_f());
if (!g->gr.ctx_vars.valid) {
err = gr_gk20a_init_ctx_vars(g, &g->gr);
if (err)
gk20a_err(dev_from_gk20a(g),
"fail to load gr init ctx");
}
return err;
}
static int gr_gk20a_wait_mem_scrubbing(struct gk20a *g)
{
int retries = GR_IDLE_CHECK_MAX / GR_IDLE_CHECK_DEFAULT;
bool fecs_scrubbing;
bool gpccs_scrubbing;
gk20a_dbg_fn("");
do {
fecs_scrubbing = gk20a_readl(g, gr_fecs_dmactl_r()) &
(gr_fecs_dmactl_imem_scrubbing_m() |
gr_fecs_dmactl_dmem_scrubbing_m());
gpccs_scrubbing = gk20a_readl(g, gr_gpccs_dmactl_r()) &
(gr_gpccs_dmactl_imem_scrubbing_m() |
gr_gpccs_dmactl_imem_scrubbing_m());
if (!fecs_scrubbing && !gpccs_scrubbing) {
gk20a_dbg_fn("done");
return 0;
}
udelay(GR_IDLE_CHECK_DEFAULT);
} while (--retries || !tegra_platform_is_silicon());
gk20a_err(dev_from_gk20a(g), "Falcon mem scrubbing timeout");
return -ETIMEDOUT;
}
int gr_gk20a_init_ctxsw(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
u32 err = 0;
err = g->ops.gr.load_ctxsw_ucode(g);
if (err)
goto out;
err = gr_gk20a_wait_ctxsw_ready(g);
if (err)
goto out;
/* this appears query for sw states but fecs actually init
ramchain, etc so this is hw init */
err = gr_gk20a_init_ctx_state(g, gr);
if (err)
goto out;
out:
if (err)
gk20a_err(dev_from_gk20a(g), "fail");
else
gk20a_dbg_fn("done");
return 0;
}
int gk20a_init_gr_reset_enable_hw(struct gk20a *g)
{
struct av_list_gk20a *sw_non_ctx_load = &g->gr.ctx_vars.sw_non_ctx_load;
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 i, err = 0;
gk20a_dbg_fn("");
/* enable interrupts */
gk20a_writel(g, gr_intr_r(), ~0);
gk20a_writel(g, gr_intr_en_r(), ~0);
/* reset ctx switch state */
gr_gk20a_ctx_reset(g, 0);
/* clear scc ram */
gk20a_writel(g, gr_scc_init_r(),
gr_scc_init_ram_trigger_f());
/* load non_ctx init */
for (i = 0; i < sw_non_ctx_load->count; i++)
gk20a_writel(g, sw_non_ctx_load->l[i].addr,
sw_non_ctx_load->l[i].value);
err = gr_gk20a_wait_mem_scrubbing(g);
if (err)
goto out;
err = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (err)
goto out;
out:
if (err)
gk20a_err(dev_from_gk20a(g), "fail");
else
gk20a_dbg_fn("done");
return 0;
}
/*
* XXX Merge this list with the debugger/profiler
* session regops whitelists?
*/
static u32 wl_addr_gk20a[] = {
/* this list must be sorted (low to high) */
0x404468, /* gr_pri_mme_max_instructions */
0x408944, /* gr_pri_bes_crop_hww_esr */
0x418800, /* gr_pri_gpcs_setup_debug */
0x419a04, /* gr_pri_gpcs_tpcs_tex_lod_dbg */
0x419a08, /* gr_pri_gpcs_tpcs_tex_samp_dbg */
0x419e10, /* gr_pri_gpcs_tpcs_sm_dbgr_control0 */
0x419f78, /* gr_pri_gpcs_tpcs_sm_disp_ctrl */
};
static int gr_gk20a_init_access_map(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
void *data;
int err = 0;
u32 w, nr_pages =
DIV_ROUND_UP(gr->ctx_vars.priv_access_map_size,
PAGE_SIZE);
data = vmap(gr->global_ctx_buffer[PRIV_ACCESS_MAP].pages,
PAGE_ALIGN(gr->global_ctx_buffer[PRIV_ACCESS_MAP].size) >>
PAGE_SHIFT, 0, pgprot_dmacoherent(PAGE_KERNEL));
if (!data) {
gk20a_err(dev_from_gk20a(g),
"failed to map priv access map memory");
err = -ENOMEM;
goto clean_up;
}
memset(data, 0x0, PAGE_SIZE * nr_pages);
for (w = 0; w < ARRAY_SIZE(wl_addr_gk20a); w++) {
u32 map_bit, map_byte, map_shift;
map_bit = wl_addr_gk20a[w] >> 2;
map_byte = map_bit >> 3;
map_shift = map_bit & 0x7; /* i.e. 0-7 */
gk20a_dbg_info("access map addr:0x%x byte:0x%x bit:%d",
wl_addr_gk20a[w], map_byte, map_shift);
((u8 *)data)[map_byte] |= 1 << map_shift;
}
clean_up:
if (data)
vunmap(data);
return 0;
}
static int gk20a_init_gr_setup_sw(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
int err;
gk20a_dbg_fn("");
if (gr->sw_ready) {
gk20a_dbg_fn("skip init");
return 0;
}
gr->g = g;
err = gr_gk20a_init_gr_config(g, gr);
if (err)
goto clean_up;
err = gr_gk20a_init_mmu_sw(g, gr);
if (err)
goto clean_up;
err = gr_gk20a_init_map_tiles(g, gr);
if (err)
goto clean_up;
gk20a_dbg_info("total ram pages : %lu", totalram_pages);
gr->max_comptag_mem = totalram_pages
>> (10 - (PAGE_SHIFT - 10));
err = g->ops.ltc.init_comptags(g, gr);
if (err)
goto clean_up;
err = gr_gk20a_init_zcull(g, gr);
if (err)
goto clean_up;
err = gr_gk20a_alloc_global_ctx_buffers(g);
if (err)
goto clean_up;
err = gr_gk20a_init_access_map(g);
if (err)
goto clean_up;
mutex_init(&gr->ctx_mutex);
spin_lock_init(&gr->ch_tlb_lock);
gr->remove_support = gk20a_remove_gr_support;
gr->sw_ready = true;
gk20a_dbg_fn("done");
return 0;
clean_up:
gk20a_err(dev_from_gk20a(g), "fail");
gk20a_remove_gr_support(gr);
return err;
}
int gk20a_init_gr_support(struct gk20a *g)
{
u32 err;
gk20a_dbg_fn("");
/* this is required before gr_gk20a_init_ctx_state */
mutex_init(&g->gr.fecs_mutex);
err = gr_gk20a_init_ctxsw(g);
if (err)
return err;
err = gk20a_init_gr_setup_sw(g);
if (err)
return err;
err = gk20a_init_gr_setup_hw(g);
if (err)
return err;
/* GR is inialized, signal possible waiters */
g->gr.initialized = true;
wake_up(&g->gr.init_wq);
return 0;
}
/* Wait until GR is initialized */
void gk20a_gr_wait_initialized(struct gk20a *g)
{
wait_event(g->gr.init_wq, g->gr.initialized);
}
#define NVA297_SET_ALPHA_CIRCULAR_BUFFER_SIZE 0x02dc
#define NVA297_SET_CIRCULAR_BUFFER_SIZE 0x1280
#define NVA297_SET_SHADER_EXCEPTIONS 0x1528
#define NVA0C0_SET_SHADER_EXCEPTIONS 0x1528
#define NVA297_SET_SHADER_EXCEPTIONS_ENABLE_FALSE 0
struct gr_isr_data {
u32 addr;
u32 data_lo;
u32 data_hi;
u32 curr_ctx;
u32 chid;
u32 offset;
u32 sub_chan;
u32 class_num;
};
void gk20a_gr_set_shader_exceptions(struct gk20a *g, u32 data)
{
gk20a_dbg_fn("");
if (data == NVA297_SET_SHADER_EXCEPTIONS_ENABLE_FALSE) {
gk20a_writel(g,
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_r(), 0);
gk20a_writel(g,
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_r(), 0);
} else {
/* setup sm warp esr report masks */
gk20a_writel(g, gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_r(),
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_stack_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_api_stack_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_ret_empty_stack_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_pc_wrap_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_pc_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_pc_overflow_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_immc_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_reg_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_instr_encoding_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_sph_instr_combo_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_instr_param_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_invalid_const_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_oor_reg_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_oor_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_misaligned_addr_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_invalid_addr_space_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_illegal_instr_param2_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_invalid_const_addr_ldc_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_geometry_sm_error_report_f() |
gr_gpcs_tpcs_sm_hww_warp_esr_report_mask_divergent_report_f());
/* setup sm global esr report mask */
gk20a_writel(g, gr_gpcs_tpcs_sm_hww_global_esr_report_mask_r(),
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_sm_to_sm_fault_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_l1_error_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_multiple_warp_errors_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_physical_stack_overflow_error_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_bpt_int_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_bpt_pause_report_f() |
gr_gpcs_tpcs_sm_hww_global_esr_report_mask_single_step_complete_report_f());
}
}
static void gk20a_gr_set_circular_buffer_size(struct gk20a *g, u32 data)
{
struct gr_gk20a *gr = &g->gr;
u32 gpc_index, ppc_index, stride, val, offset;
u32 cb_size = data * 4;
gk20a_dbg_fn("");
if (cb_size > gr->attrib_cb_size)
cb_size = gr->attrib_cb_size;
gk20a_writel(g, gr_ds_tga_constraintlogic_r(),
(gk20a_readl(g, gr_ds_tga_constraintlogic_r()) &
~gr_ds_tga_constraintlogic_beta_cbsize_f(~0)) |
gr_ds_tga_constraintlogic_beta_cbsize_f(cb_size));
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
stride = proj_gpc_stride_v() * gpc_index;
for (ppc_index = 0; ppc_index < gr->gpc_ppc_count[gpc_index];
ppc_index++) {
val = gk20a_readl(g, gr_gpc0_ppc0_cbm_cfg_r() +
stride +
proj_ppc_in_gpc_stride_v() * ppc_index);
offset = gr_gpc0_ppc0_cbm_cfg_start_offset_v(val);
val = set_field(val,
gr_gpc0_ppc0_cbm_cfg_size_m(),
gr_gpc0_ppc0_cbm_cfg_size_f(cb_size *
gr->pes_tpc_count[ppc_index][gpc_index]));
val = set_field(val,
gr_gpc0_ppc0_cbm_cfg_start_offset_m(),
(offset + 1));
gk20a_writel(g, gr_gpc0_ppc0_cbm_cfg_r() +
stride +
proj_ppc_in_gpc_stride_v() * ppc_index, val);
val = set_field(val,
gr_gpc0_ppc0_cbm_cfg_start_offset_m(),
offset);
gk20a_writel(g, gr_gpc0_ppc0_cbm_cfg_r() +
stride +
proj_ppc_in_gpc_stride_v() * ppc_index, val);
}
}
}
static void gk20a_gr_set_alpha_circular_buffer_size(struct gk20a *g, u32 data)
{
struct gr_gk20a *gr = &g->gr;
u32 gpc_index, ppc_index, stride, val;
u32 pd_ab_max_output;
u32 alpha_cb_size = data * 4;
gk20a_dbg_fn("");
/* if (NO_ALPHA_BETA_TIMESLICE_SUPPORT_DEF)
return; */
if (alpha_cb_size > gr->alpha_cb_size)
alpha_cb_size = gr->alpha_cb_size;
gk20a_writel(g, gr_ds_tga_constraintlogic_r(),
(gk20a_readl(g, gr_ds_tga_constraintlogic_r()) &
~gr_ds_tga_constraintlogic_alpha_cbsize_f(~0)) |
gr_ds_tga_constraintlogic_alpha_cbsize_f(alpha_cb_size));
pd_ab_max_output = alpha_cb_size *
gr_gpc0_ppc0_cbm_cfg_size_granularity_v() /
gr_pd_ab_dist_cfg1_max_output_granularity_v();
gk20a_writel(g, gr_pd_ab_dist_cfg1_r(),
gr_pd_ab_dist_cfg1_max_output_f(pd_ab_max_output));
for (gpc_index = 0; gpc_index < gr->gpc_count; gpc_index++) {
stride = proj_gpc_stride_v() * gpc_index;
for (ppc_index = 0; ppc_index < gr->gpc_ppc_count[gpc_index];
ppc_index++) {
val = gk20a_readl(g, gr_gpc0_ppc0_cbm_cfg2_r() +
stride +
proj_ppc_in_gpc_stride_v() * ppc_index);
val = set_field(val, gr_gpc0_ppc0_cbm_cfg2_size_m(),
gr_gpc0_ppc0_cbm_cfg2_size_f(alpha_cb_size *
gr->pes_tpc_count[ppc_index][gpc_index]));
gk20a_writel(g, gr_gpc0_ppc0_cbm_cfg2_r() +
stride +
proj_ppc_in_gpc_stride_v() * ppc_index, val);
}
}
}
int gk20a_enable_gr_hw(struct gk20a *g)
{
int err;
gk20a_dbg_fn("");
err = gk20a_init_gr_prepare(g);
if (err)
return err;
err = gk20a_init_gr_reset_enable_hw(g);
if (err)
return err;
gk20a_dbg_fn("done");
return 0;
}
int gk20a_gr_reset(struct gk20a *g)
{
int err;
u32 size;
err = gk20a_enable_gr_hw(g);
if (err)
return err;
err = gk20a_init_gr_setup_hw(g);
if (err)
return err;
err = gr_gk20a_init_ctxsw(g);
if (err)
return err;
size = 0;
err = gr_gk20a_fecs_get_reglist_img_size(g, &size);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to query fecs pg buffer size");
return err;
}
err = gr_gk20a_fecs_set_reglist_bind_inst(g,
g->mm.pmu.inst_block.cpu_pa);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to bind pmu inst to gr");
return err;
}
err = gr_gk20a_fecs_set_reglist_virtual_addr(g, g->pmu.pg_buf.pmu_va);
if (err) {
gk20a_err(dev_from_gk20a(g),
"fail to set pg buffer pmu va");
return err;
}
return 0;
}
static int gr_gk20a_handle_sw_method(struct gk20a *g, u32 addr,
u32 class_num, u32 offset, u32 data)
{
gk20a_dbg_fn("");
if (class_num == KEPLER_COMPUTE_A) {
switch (offset << 2) {
case NVA0C0_SET_SHADER_EXCEPTIONS:
gk20a_gr_set_shader_exceptions(g, data);
break;
default:
goto fail;
}
}
if (class_num == KEPLER_C) {
switch (offset << 2) {
case NVA297_SET_SHADER_EXCEPTIONS:
gk20a_gr_set_shader_exceptions(g, data);
break;
case NVA297_SET_CIRCULAR_BUFFER_SIZE:
g->ops.gr.set_circular_buffer_size(g, data);
break;
case NVA297_SET_ALPHA_CIRCULAR_BUFFER_SIZE:
g->ops.gr.set_alpha_circular_buffer_size(g, data);
break;
default:
goto fail;
}
}
return 0;
fail:
return -EINVAL;
}
static int gk20a_gr_handle_semaphore_timeout_pending(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
gk20a_dbg_fn("");
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_SEMAPHORE_TIMEOUT);
gk20a_err(dev_from_gk20a(g),
"gr semaphore timeout\n");
return -EINVAL;
}
static int gk20a_gr_intr_illegal_notify_pending(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
gk20a_dbg_fn("");
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ILLEGAL_NOTIFY);
/* This is an unrecoverable error, reset is needed */
gk20a_err(dev_from_gk20a(g),
"gr semaphore timeout\n");
return -EINVAL;
}
static int gk20a_gr_handle_illegal_method(struct gk20a *g,
struct gr_isr_data *isr_data)
{
int ret = g->ops.gr.handle_sw_method(g, isr_data->addr,
isr_data->class_num, isr_data->offset,
isr_data->data_lo);
if (ret)
gk20a_err(dev_from_gk20a(g), "invalid method class 0x%08x"
", offset 0x%08x address 0x%08x\n",
isr_data->class_num, isr_data->offset, isr_data->addr);
return ret;
}
static int gk20a_gr_handle_illegal_class(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
gk20a_dbg_fn("");
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
gk20a_err(dev_from_gk20a(g),
"invalid class 0x%08x, offset 0x%08x",
isr_data->class_num, isr_data->offset);
return -EINVAL;
}
static int gk20a_gr_handle_fecs_error(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
u32 gr_fecs_intr = gk20a_readl(g, gr_fecs_host_int_status_r());
gk20a_dbg_fn("");
gk20a_err(dev_from_gk20a(g),
"unhandled fecs error interrupt 0x%08x for channel %u",
gr_fecs_intr, ch->hw_chid);
if (gr_fecs_intr & gr_fecs_host_int_status_umimp_firmware_method_f(1)) {
gk20a_err(dev_from_gk20a(g),
"firmware method error 0x%08x for offset 0x%04x",
gk20a_readl(g, gr_fecs_ctxsw_mailbox_r(6)),
isr_data->data_lo);
}
gk20a_writel(g, gr_fecs_host_int_clear_r(), gr_fecs_intr);
return -EINVAL;
}
static int gk20a_gr_handle_class_error(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
u32 gr_class_error =
gr_class_error_code_v(gk20a_readl(g, gr_class_error_r()));
gk20a_dbg_fn("");
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
gk20a_err(dev_from_gk20a(g),
"class error 0x%08x, offset 0x%08x, unhandled intr 0x%08x for channel %u\n",
isr_data->class_num, isr_data->offset,
gr_class_error, ch->hw_chid);
return -EINVAL;
}
static int gk20a_gr_handle_firmware_method(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
gk20a_dbg_fn("");
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
gk20a_err(dev_from_gk20a(g),
"firmware method 0x%08x, offset 0x%08x for channel %u\n",
isr_data->class_num, isr_data->offset,
ch->hw_chid);
return -EINVAL;
}
static int gk20a_gr_handle_semaphore_pending(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
gk20a_channel_event(ch);
wake_up(&ch->semaphore_wq);
return 0;
}
#if defined(CONFIG_GK20A_CYCLE_STATS)
static inline bool is_valid_cyclestats_bar0_offset_gk20a(struct gk20a *g,
u32 offset)
{
/* support only 24-bit 4-byte aligned offsets */
bool valid = !(offset & 0xFF000003);
if (g->allow_all)
return true;
/* whitelist check */
valid = valid &&
is_bar0_global_offset_whitelisted_gk20a(g, offset);
/* resource size check in case there was a problem
* with allocating the assumed size of bar0 */
valid = valid &&
offset < resource_size(g->reg_mem);
return valid;
}
#endif
static int gk20a_gr_handle_notify_pending(struct gk20a *g,
struct gr_isr_data *isr_data)
{
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data->chid];
#if defined(CONFIG_GK20A_CYCLE_STATS)
void *virtual_address;
u32 buffer_size;
u32 offset;
u32 new_offset;
bool exit;
struct share_buffer_head *sh_hdr;
u32 raw_reg;
u64 mask_orig;
u64 v = 0;
struct gk20a_cyclestate_buffer_elem *op_elem;
/* GL will never use payload 0 for cycle state */
if ((ch->cyclestate.cyclestate_buffer == NULL) || (isr_data->data_lo == 0))
return 0;
mutex_lock(&ch->cyclestate.cyclestate_buffer_mutex);
virtual_address = ch->cyclestate.cyclestate_buffer;
buffer_size = ch->cyclestate.cyclestate_buffer_size;
offset = isr_data->data_lo;
exit = false;
while (!exit) {
if (offset >= buffer_size) {
WARN_ON(1);
break;
}
sh_hdr = (struct share_buffer_head *)
((char *)virtual_address + offset);
if (sh_hdr->size < sizeof(struct share_buffer_head)) {
WARN_ON(1);
break;
}
new_offset = offset + sh_hdr->size;
switch (sh_hdr->operation) {
case OP_END:
exit = true;
break;
case BAR0_READ32:
case BAR0_WRITE32:
{
bool valid;
op_elem =
(struct gk20a_cyclestate_buffer_elem *)
sh_hdr;
valid = is_valid_cyclestats_bar0_offset_gk20a(g,
op_elem->offset_bar0);
if (!valid) {
gk20a_err(dev_from_gk20a(g),
"invalid cycletstats op offset: 0x%x\n",
op_elem->offset_bar0);
sh_hdr->failed = exit = true;
break;
}
mask_orig =
((1ULL <<
(op_elem->last_bit + 1))
-1)&~((1ULL <<
op_elem->first_bit)-1);
raw_reg =
gk20a_readl(g,
op_elem->offset_bar0);
switch (sh_hdr->operation) {
case BAR0_READ32:
op_elem->data =
(raw_reg & mask_orig)
>> op_elem->first_bit;
break;
case BAR0_WRITE32:
v = 0;
if ((unsigned int)mask_orig !=
(unsigned int)~0) {
v = (unsigned int)
(raw_reg & ~mask_orig);
}
v |= ((op_elem->data
<< op_elem->first_bit)
& mask_orig);
gk20a_writel(g,
op_elem->offset_bar0,
(unsigned int)v);
break;
default:
/* nop ok?*/
break;
}
}
break;
default:
/* no operation content case */
exit = true;
break;
}
sh_hdr->completed = true;
offset = new_offset;
}
mutex_unlock(&ch->cyclestate.cyclestate_buffer_mutex);
#endif
gk20a_dbg_fn("");
wake_up(&ch->notifier_wq);
return 0;
}
/* Used by sw interrupt thread to translate current ctx to chid.
* For performance, we don't want to go through 128 channels every time.
* curr_ctx should be the value read from gr_fecs_current_ctx_r().
* A small tlb is used here to cache translation */
static int gk20a_gr_get_chid_from_ctx(struct gk20a *g, u32 curr_ctx)
{
struct fifo_gk20a *f = &g->fifo;
struct gr_gk20a *gr = &g->gr;
u32 chid = -1;
u32 i;
/* when contexts are unloaded from GR, the valid bit is reset
* but the instance pointer information remains intact. So the
* valid bit must be checked to be absolutely certain that a
* valid context is currently resident. */
if (!gr_fecs_current_ctx_valid_v(curr_ctx))
return -1;
spin_lock(&gr->ch_tlb_lock);
/* check cache first */
for (i = 0; i < GR_CHANNEL_MAP_TLB_SIZE; i++) {
if (gr->chid_tlb[i].curr_ctx == curr_ctx) {
chid = gr->chid_tlb[i].hw_chid;
goto unlock;
}
}
/* slow path */
for (chid = 0; chid < f->num_channels; chid++)
if (f->channel[chid].in_use) {
if ((u32)(f->channel[chid].inst_block.cpu_pa >>
ram_in_base_shift_v()) ==
gr_fecs_current_ctx_ptr_v(curr_ctx))
break;
}
if (chid >= f->num_channels) {
chid = -1;
goto unlock;
}
/* add to free tlb entry */
for (i = 0; i < GR_CHANNEL_MAP_TLB_SIZE; i++) {
if (gr->chid_tlb[i].curr_ctx == 0) {
gr->chid_tlb[i].curr_ctx = curr_ctx;
gr->chid_tlb[i].hw_chid = chid;
goto unlock;
}
}
/* no free entry, flush one */
gr->chid_tlb[gr->channel_tlb_flush_index].curr_ctx = curr_ctx;
gr->chid_tlb[gr->channel_tlb_flush_index].hw_chid = chid;
gr->channel_tlb_flush_index =
(gr->channel_tlb_flush_index + 1) &
(GR_CHANNEL_MAP_TLB_SIZE - 1);
unlock:
spin_unlock(&gr->ch_tlb_lock);
return chid;
}
static int gk20a_gr_lock_down_sm(struct gk20a *g,
u32 gpc, u32 tpc, u32 global_esr_mask)
{
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 delay = GR_IDLE_CHECK_DEFAULT;
bool mmu_debug_mode_enabled = g->ops.mm.is_debug_mode_enabled(g);
u32 offset =
proj_gpc_stride_v() * gpc + proj_tpc_in_gpc_stride_v() * tpc;
u32 dbgr_control0;
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg,
"GPC%d TPC%d: locking down SM", gpc, tpc);
/* assert stop trigger */
dbgr_control0 =
gk20a_readl(g, gr_gpc0_tpc0_sm_dbgr_control0_r() + offset);
dbgr_control0 |= gr_gpc0_tpc0_sm_dbgr_control0_stop_trigger_enable_f();
gk20a_writel(g,
gr_gpc0_tpc0_sm_dbgr_control0_r() + offset, dbgr_control0);
/* wait for the sm to lock down */
do {
u32 global_esr = gk20a_readl(g,
gr_gpc0_tpc0_sm_hww_global_esr_r() + offset);
u32 warp_esr = gk20a_readl(g,
gr_gpc0_tpc0_sm_hww_warp_esr_r() + offset);
u32 dbgr_status0 = gk20a_readl(g,
gr_gpc0_tpc0_sm_dbgr_status0_r() + offset);
bool locked_down =
(gr_gpc0_tpc0_sm_dbgr_status0_locked_down_v(dbgr_status0) ==
gr_gpc0_tpc0_sm_dbgr_status0_locked_down_true_v());
bool error_pending =
(gr_gpc0_tpc0_sm_hww_warp_esr_error_v(warp_esr) !=
gr_gpc0_tpc0_sm_hww_warp_esr_error_none_v()) ||
((global_esr & ~global_esr_mask) != 0);
if (locked_down || !error_pending) {
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg,
"GPC%d TPC%d: locked down SM", gpc, tpc);
/* de-assert stop trigger */
dbgr_control0 &= ~gr_gpc0_tpc0_sm_dbgr_control0_stop_trigger_enable_f();
gk20a_writel(g,
gr_gpc0_tpc0_sm_dbgr_control0_r() + offset,
dbgr_control0);
return 0;
}
/* if an mmu fault is pending and mmu debug mode is not
* enabled, the sm will never lock down. */
if (!mmu_debug_mode_enabled && gk20a_fifo_mmu_fault_pending(g)) {
gk20a_err(dev_from_gk20a(g),
"GPC%d TPC%d: mmu fault pending,"
" sm will never lock down!", gpc, tpc);
return -EFAULT;
}
usleep_range(delay, delay * 2);
delay = min_t(u32, delay << 1, GR_IDLE_CHECK_MAX);
} while (time_before(jiffies, end_jiffies)
|| !tegra_platform_is_silicon());
gk20a_err(dev_from_gk20a(g),
"GPC%d TPC%d: timed out while trying to lock down SM",
gpc, tpc);
return -EAGAIN;
}
bool gk20a_gr_sm_debugger_attached(struct gk20a *g)
{
u32 dbgr_control0 = gk20a_readl(g, gr_gpc0_tpc0_sm_dbgr_control0_r());
/* check if an sm debugger is attached.
* assumption: all SMs will have debug mode enabled/disabled
* uniformly. */
if (gr_gpc0_tpc0_sm_dbgr_control0_debugger_mode_v(dbgr_control0) ==
gr_gpc0_tpc0_sm_dbgr_control0_debugger_mode_on_v())
return true;
return false;
}
static void gk20a_gr_clear_sm_hww(struct gk20a *g,
u32 gpc, u32 tpc, u32 global_esr)
{
u32 offset = proj_gpc_stride_v() * gpc +
proj_tpc_in_gpc_stride_v() * tpc;
gk20a_writel(g, gr_gpc0_tpc0_sm_hww_global_esr_r() + offset,
global_esr);
/* clear the warp hww */
gk20a_writel(g, gr_gpc0_tpc0_sm_hww_warp_esr_r() + offset,
gr_gpc0_tpc0_sm_hww_warp_esr_error_none_f());
}
static struct channel_gk20a *
channel_from_hw_chid(struct gk20a *g, u32 hw_chid)
{
return g->fifo.channel+hw_chid;
}
static int gk20a_gr_handle_sm_exception(struct gk20a *g, u32 gpc, u32 tpc,
bool *post_event)
{
int ret = 0;
bool do_warp_sync = false;
u32 offset = proj_gpc_stride_v() * gpc +
proj_tpc_in_gpc_stride_v() * tpc;
/* these three interrupts don't require locking down the SM. They can
* be handled by usermode clients as they aren't fatal. Additionally,
* usermode clients may wish to allow some warps to execute while others
* are at breakpoints, as opposed to fatal errors where all warps should
* halt. */
u32 global_mask = gr_gpc0_tpc0_sm_hww_global_esr_bpt_int_pending_f() |
gr_gpc0_tpc0_sm_hww_global_esr_bpt_pause_pending_f() |
gr_gpc0_tpc0_sm_hww_global_esr_single_step_complete_pending_f();
u32 global_esr, warp_esr;
bool sm_debugger_attached = gk20a_gr_sm_debugger_attached(g);
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "");
global_esr = gk20a_readl(g,
gr_gpc0_tpc0_sm_hww_global_esr_r() + offset);
warp_esr = gk20a_readl(g, gr_gpc0_tpc0_sm_hww_warp_esr_r() + offset);
/* if an sm debugger is attached, disable forwarding of tpc exceptions.
* the debugger will reenable exceptions after servicing them. */
if (sm_debugger_attached) {
u32 tpc_exception_en = gk20a_readl(g,
gr_gpc0_tpc0_tpccs_tpc_exception_en_r() +
offset);
tpc_exception_en &= ~gr_gpc0_tpc0_tpccs_tpc_exception_en_sm_enabled_f();
gk20a_writel(g,
gr_gpc0_tpc0_tpccs_tpc_exception_en_r() + offset,
tpc_exception_en);
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg, "SM debugger attached");
}
/* if a debugger is present and an error has occurred, do a warp sync */
if (sm_debugger_attached &&
((warp_esr != 0) || ((global_esr & ~global_mask) != 0))) {
gk20a_dbg(gpu_dbg_intr, "warp sync needed");
do_warp_sync = true;
}
if (do_warp_sync) {
ret = gk20a_gr_lock_down_sm(g, gpc, tpc, global_mask);
if (ret) {
gk20a_err(dev_from_gk20a(g), "sm did not lock down!\n");
return ret;
}
}
*post_event |= true;
return ret;
}
static int gk20a_gr_handle_tpc_exception(struct gk20a *g, u32 gpc, u32 tpc,
bool *post_event)
{
int ret = 0;
u32 offset = proj_gpc_stride_v() * gpc +
proj_tpc_in_gpc_stride_v() * tpc;
u32 tpc_exception = gk20a_readl(g, gr_gpc0_tpc0_tpccs_tpc_exception_r()
+ offset);
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg, "");
/* check if an sm exeption is pending */
if (gr_gpc0_tpc0_tpccs_tpc_exception_sm_v(tpc_exception) ==
gr_gpc0_tpc0_tpccs_tpc_exception_sm_pending_v()) {
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg,
"GPC%d TPC%d: SM exception pending", gpc, tpc);
ret = gk20a_gr_handle_sm_exception(g, gpc, tpc, post_event);
}
return ret;
}
static int gk20a_gr_handle_gpc_exception(struct gk20a *g, bool *post_event)
{
int ret = 0;
u32 gpc_offset, tpc_offset, gpc, tpc;
struct gr_gk20a *gr = &g->gr;
u32 exception1 = gk20a_readl(g, gr_exception1_r());
u32 gpc_exception, global_esr;
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg, "");
for (gpc = 0; gpc < gr->gpc_count; gpc++) {
if ((exception1 & (1 << gpc)) == 0)
continue;
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg,
"GPC%d exception pending", gpc);
gpc_offset = proj_gpc_stride_v() * gpc;
gpc_exception = gk20a_readl(g, gr_gpc0_gpccs_gpc_exception_r()
+ gpc_offset);
/* check if any tpc has an exception */
for (tpc = 0; tpc < gr->tpc_count; tpc++) {
if ((gr_gpc0_gpccs_gpc_exception_tpc_v(gpc_exception) &
(1 << tpc)) == 0)
continue;
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg,
"GPC%d: TPC%d exception pending", gpc, tpc);
tpc_offset = proj_tpc_in_gpc_stride_v() * tpc;
global_esr = gk20a_readl(g,
gr_gpc0_tpc0_sm_hww_global_esr_r() +
gpc_offset + tpc_offset);
ret = gk20a_gr_handle_tpc_exception(g, gpc, tpc,
post_event);
/* clear the hwws, also causes tpc and gpc
* exceptions to be cleared */
gk20a_gr_clear_sm_hww(g, gpc, tpc, global_esr);
}
}
return ret;
}
int gk20a_gr_isr(struct gk20a *g)
{
struct gr_isr_data isr_data;
u32 grfifo_ctl;
u32 obj_table;
int need_reset = 0;
u32 gr_intr = gk20a_readl(g, gr_intr_r());
gk20a_dbg_fn("");
gk20a_dbg(gpu_dbg_intr, "pgraph intr %08x", gr_intr);
if (!gr_intr)
return 0;
grfifo_ctl = gk20a_readl(g, gr_gpfifo_ctl_r());
grfifo_ctl &= ~gr_gpfifo_ctl_semaphore_access_f(1);
grfifo_ctl &= ~gr_gpfifo_ctl_access_f(1);
gk20a_writel(g, gr_gpfifo_ctl_r(),
grfifo_ctl | gr_gpfifo_ctl_access_f(0) |
gr_gpfifo_ctl_semaphore_access_f(0));
isr_data.addr = gk20a_readl(g, gr_trapped_addr_r());
isr_data.data_lo = gk20a_readl(g, gr_trapped_data_lo_r());
isr_data.data_hi = gk20a_readl(g, gr_trapped_data_hi_r());
isr_data.curr_ctx = gk20a_readl(g, gr_fecs_current_ctx_r());
isr_data.offset = gr_trapped_addr_mthd_v(isr_data.addr);
isr_data.sub_chan = gr_trapped_addr_subch_v(isr_data.addr);
obj_table = (isr_data.sub_chan < 4) ? gk20a_readl(g,
gr_fe_object_table_r(isr_data.sub_chan)) : 0;
isr_data.class_num = gr_fe_object_table_nvclass_v(obj_table);
isr_data.chid =
gk20a_gr_get_chid_from_ctx(g, isr_data.curr_ctx);
if (isr_data.chid == -1) {
gk20a_err(dev_from_gk20a(g), "invalid channel ctx 0x%08x",
isr_data.curr_ctx);
goto clean_up;
}
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg,
"channel %d: addr 0x%08x, "
"data 0x%08x 0x%08x,"
"ctx 0x%08x, offset 0x%08x, "
"subchannel 0x%08x, class 0x%08x",
isr_data.chid, isr_data.addr,
isr_data.data_hi, isr_data.data_lo,
isr_data.curr_ctx, isr_data.offset,
isr_data.sub_chan, isr_data.class_num);
if (gr_intr & gr_intr_notify_pending_f()) {
gk20a_gr_handle_notify_pending(g, &isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_notify_reset_f());
gr_intr &= ~gr_intr_notify_pending_f();
}
if (gr_intr & gr_intr_semaphore_pending_f()) {
gk20a_gr_handle_semaphore_pending(g, &isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_semaphore_reset_f());
gr_intr &= ~gr_intr_semaphore_pending_f();
}
if (gr_intr & gr_intr_semaphore_timeout_pending_f()) {
need_reset |= gk20a_gr_handle_semaphore_timeout_pending(g,
&isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_semaphore_reset_f());
gr_intr &= ~gr_intr_semaphore_pending_f();
}
if (gr_intr & gr_intr_illegal_notify_pending_f()) {
need_reset |= gk20a_gr_intr_illegal_notify_pending(g,
&isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_illegal_notify_reset_f());
gr_intr &= ~gr_intr_illegal_notify_pending_f();
}
if (gr_intr & gr_intr_illegal_method_pending_f()) {
need_reset |= gk20a_gr_handle_illegal_method(g, &isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_illegal_method_reset_f());
gr_intr &= ~gr_intr_illegal_method_pending_f();
}
if (gr_intr & gr_intr_illegal_class_pending_f()) {
need_reset |= gk20a_gr_handle_illegal_class(g, &isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_illegal_class_reset_f());
gr_intr &= ~gr_intr_illegal_class_pending_f();
}
if (gr_intr & gr_intr_fecs_error_pending_f()) {
need_reset |= gk20a_gr_handle_fecs_error(g, &isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_fecs_error_reset_f());
gr_intr &= ~gr_intr_fecs_error_pending_f();
}
if (gr_intr & gr_intr_class_error_pending_f()) {
need_reset |= gk20a_gr_handle_class_error(g, &isr_data);
gk20a_writel(g, gr_intr_r(),
gr_intr_class_error_reset_f());
gr_intr &= ~gr_intr_class_error_pending_f();
}
/* this one happens if someone tries to hit a non-whitelisted
* register using set_falcon[4] */
if (gr_intr & gr_intr_firmware_method_pending_f()) {
need_reset |= gk20a_gr_handle_firmware_method(g, &isr_data);
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg, "firmware method intr pending\n");
gk20a_writel(g, gr_intr_r(),
gr_intr_firmware_method_reset_f());
gr_intr &= ~gr_intr_firmware_method_pending_f();
}
if (gr_intr & gr_intr_exception_pending_f()) {
u32 exception = gk20a_readl(g, gr_exception_r());
struct fifo_gk20a *f = &g->fifo;
struct channel_gk20a *ch = &f->channel[isr_data.chid];
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg, "exception %08x\n", exception);
if (exception & gr_exception_fe_m()) {
u32 fe = gk20a_readl(g, gr_fe_hww_esr_r());
gk20a_dbg(gpu_dbg_intr, "fe warning %08x\n", fe);
gk20a_writel(g, gr_fe_hww_esr_r(), fe);
need_reset |= -EFAULT;
}
/* check if a gpc exception has occurred */
if (exception & gr_exception_gpc_m() && need_reset == 0) {
struct channel_gk20a *fault_ch;
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg, "GPC exception pending");
/* if no sm debugger is present, clean up the channel */
if (!gk20a_gr_sm_debugger_attached(g)) {
gk20a_dbg(gpu_dbg_intr | gpu_dbg_gpu_dbg,
"SM debugger not attached, clearing interrupt");
need_reset |= -EFAULT;
} else {
bool post_event = false;
/* check if any gpc has an exception */
need_reset |= gk20a_gr_handle_gpc_exception(g,
&post_event);
/* signal clients waiting on an event */
fault_ch = channel_from_hw_chid(g,
isr_data.chid);
if (post_event && fault_ch)
gk20a_dbg_gpu_post_events(fault_ch);
}
if (need_reset)
gk20a_set_error_notifier(ch,
NVGPU_CHANNEL_GR_ERROR_SW_NOTIFY);
}
gk20a_writel(g, gr_intr_r(), gr_intr_exception_reset_f());
gr_intr &= ~gr_intr_exception_pending_f();
}
if (need_reset)
gk20a_fifo_recover(g, BIT(ENGINE_GR_GK20A), true);
clean_up:
gk20a_writel(g, gr_gpfifo_ctl_r(),
grfifo_ctl | gr_gpfifo_ctl_access_f(1) |
gr_gpfifo_ctl_semaphore_access_f(1));
if (gr_intr)
gk20a_err(dev_from_gk20a(g),
"unhandled gr interrupt 0x%08x", gr_intr);
return 0;
}
int gk20a_gr_nonstall_isr(struct gk20a *g)
{
u32 gr_intr = gk20a_readl(g, gr_intr_nonstall_r());
u32 clear_intr = 0;
gk20a_dbg(gpu_dbg_intr, "pgraph nonstall intr %08x", gr_intr);
if (gr_intr & gr_intr_nonstall_trap_pending_f()) {
gk20a_channel_semaphore_wakeup(g);
clear_intr |= gr_intr_nonstall_trap_pending_f();
}
gk20a_writel(g, gr_intr_nonstall_r(), clear_intr);
return 0;
}
int gr_gk20a_fecs_get_reglist_img_size(struct gk20a *g, u32 *size)
{
BUG_ON(size == NULL);
return gr_gk20a_submit_fecs_method_op(g,
(struct fecs_method_op_gk20a) {
.mailbox.id = 0,
.mailbox.data = 0,
.mailbox.clr = ~0,
.method.data = 1,
.method.addr = gr_fecs_method_push_adr_discover_reglist_image_size_v(),
.mailbox.ret = size,
.cond.ok = GR_IS_UCODE_OP_NOT_EQUAL,
.mailbox.ok = 0,
.cond.fail = GR_IS_UCODE_OP_SKIP,
.mailbox.fail = 0});
}
int gr_gk20a_fecs_set_reglist_bind_inst(struct gk20a *g, phys_addr_t addr)
{
return gr_gk20a_submit_fecs_method_op(g,
(struct fecs_method_op_gk20a){
.mailbox.id = 4,
.mailbox.data = (gr_fecs_current_ctx_ptr_f(addr >> 12) |
gr_fecs_current_ctx_valid_f(1) |
gr_fecs_current_ctx_target_vid_mem_f()),
.mailbox.clr = ~0,
.method.data = 1,
.method.addr = gr_fecs_method_push_adr_set_reglist_bind_instance_v(),
.mailbox.ret = NULL,
.cond.ok = GR_IS_UCODE_OP_EQUAL,
.mailbox.ok = 1,
.cond.fail = GR_IS_UCODE_OP_SKIP,
.mailbox.fail = 0});
}
int gr_gk20a_fecs_set_reglist_virtual_addr(struct gk20a *g, u64 pmu_va)
{
return gr_gk20a_submit_fecs_method_op(g,
(struct fecs_method_op_gk20a) {
.mailbox.id = 4,
.mailbox.data = u64_lo32(pmu_va >> 8),
.mailbox.clr = ~0,
.method.data = 1,
.method.addr = gr_fecs_method_push_adr_set_reglist_virtual_address_v(),
.mailbox.ret = NULL,
.cond.ok = GR_IS_UCODE_OP_EQUAL,
.mailbox.ok = 1,
.cond.fail = GR_IS_UCODE_OP_SKIP,
.mailbox.fail = 0});
}
int gk20a_gr_suspend(struct gk20a *g)
{
unsigned long end_jiffies = jiffies +
msecs_to_jiffies(gk20a_get_gr_idle_timeout(g));
u32 ret = 0;
gk20a_dbg_fn("");
ret = gr_gk20a_wait_idle(g, end_jiffies, GR_IDLE_CHECK_DEFAULT);
if (ret)
return ret;
gk20a_writel(g, gr_gpfifo_ctl_r(),
gr_gpfifo_ctl_access_disabled_f());
/* disable gr intr */
gk20a_writel(g, gr_intr_r(), 0);
gk20a_writel(g, gr_intr_en_r(), 0);
/* disable all exceptions */
gk20a_writel(g, gr_exception_r(), 0);
gk20a_writel(g, gr_exception_en_r(), 0);
gk20a_writel(g, gr_exception1_r(), 0);
gk20a_writel(g, gr_exception1_en_r(), 0);
gk20a_writel(g, gr_exception2_r(), 0);
gk20a_writel(g, gr_exception2_en_r(), 0);
gk20a_gr_flush_channel_tlb(&g->gr);
g->gr.initialized = false;
gk20a_dbg_fn("done");
return ret;
}
static int gr_gk20a_find_priv_offset_in_buffer(struct gk20a *g,
u32 addr,
bool is_quad, u32 quad,
u32 *context_buffer,
u32 context_buffer_size,
u32 *priv_offset);
/* This function will decode a priv address and return the partition type and numbers. */
int gr_gk20a_decode_priv_addr(struct gk20a *g, u32 addr,
int *addr_type, /* enum ctxsw_addr_type */
u32 *gpc_num, u32 *tpc_num, u32 *ppc_num, u32 *be_num,
u32 *broadcast_flags)
{
u32 gpc_addr;
u32 ppc_address;
u32 ppc_broadcast_addr;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "addr=0x%x", addr);
/* setup defaults */
ppc_address = 0;
ppc_broadcast_addr = 0;
*addr_type = CTXSW_ADDR_TYPE_SYS;
*broadcast_flags = PRI_BROADCAST_FLAGS_NONE;
*gpc_num = 0;
*tpc_num = 0;
*ppc_num = 0;
*be_num = 0;
if (pri_is_gpc_addr(addr)) {
*addr_type = CTXSW_ADDR_TYPE_GPC;
gpc_addr = pri_gpccs_addr_mask(addr);
if (pri_is_gpc_addr_shared(addr)) {
*addr_type = CTXSW_ADDR_TYPE_GPC;
*broadcast_flags |= PRI_BROADCAST_FLAGS_GPC;
} else
*gpc_num = pri_get_gpc_num(addr);
if (pri_is_tpc_addr(gpc_addr)) {
*addr_type = CTXSW_ADDR_TYPE_TPC;
if (pri_is_tpc_addr_shared(gpc_addr)) {
*broadcast_flags |= PRI_BROADCAST_FLAGS_TPC;
return 0;
}
*tpc_num = pri_get_tpc_num(gpc_addr);
}
return 0;
} else if (pri_is_be_addr(addr)) {
*addr_type = CTXSW_ADDR_TYPE_BE;
if (pri_is_be_addr_shared(addr)) {
*broadcast_flags |= PRI_BROADCAST_FLAGS_BE;
return 0;
}
*be_num = pri_get_be_num(addr);
return 0;
} else {
*addr_type = CTXSW_ADDR_TYPE_SYS;
return 0;
}
/* PPC!?!?!?! */
/*NOTREACHED*/
return -EINVAL;
}
static int gr_gk20a_split_ppc_broadcast_addr(struct gk20a *g, u32 addr,
u32 gpc_num,
u32 *priv_addr_table, u32 *t)
{
u32 ppc_num;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "addr=0x%x", addr);
for (ppc_num = 0; ppc_num < g->gr.pe_count_per_gpc; ppc_num++)
priv_addr_table[(*t)++] = pri_ppc_addr(pri_ppccs_addr_mask(addr),
gpc_num, ppc_num);
return 0;
}
/*
* The context buffer is indexed using BE broadcast addresses and GPC/TPC
* unicast addresses. This function will convert a BE unicast address to a BE
* broadcast address and split a GPC/TPC broadcast address into a table of
* GPC/TPC addresses. The addresses generated by this function can be
* successfully processed by gr_gk20a_find_priv_offset_in_buffer
*/
static int gr_gk20a_create_priv_addr_table(struct gk20a *g,
u32 addr,
u32 *priv_addr_table,
u32 *num_registers)
{
int addr_type; /*enum ctxsw_addr_type */
u32 gpc_num, tpc_num, ppc_num, be_num;
u32 broadcast_flags;
u32 t;
int err;
t = 0;
*num_registers = 0;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "addr=0x%x", addr);
err = gr_gk20a_decode_priv_addr(g, addr, &addr_type,
&gpc_num, &tpc_num, &ppc_num, &be_num,
&broadcast_flags);
gk20a_dbg(gpu_dbg_gpu_dbg, "addr_type = %d", addr_type);
if (err)
return err;
if ((addr_type == CTXSW_ADDR_TYPE_SYS) ||
(addr_type == CTXSW_ADDR_TYPE_BE)) {
/* The BE broadcast registers are included in the compressed PRI
* table. Convert a BE unicast address to a broadcast address
* so that we can look up the offset. */
if ((addr_type == CTXSW_ADDR_TYPE_BE) &&
!(broadcast_flags & PRI_BROADCAST_FLAGS_BE))
priv_addr_table[t++] = pri_be_shared_addr(addr);
else
priv_addr_table[t++] = addr;
*num_registers = t;
return 0;
}
/* The GPC/TPC unicast registers are included in the compressed PRI
* tables. Convert a GPC/TPC broadcast address to unicast addresses so
* that we can look up the offsets. */
if (broadcast_flags & PRI_BROADCAST_FLAGS_GPC) {
for (gpc_num = 0; gpc_num < g->gr.gpc_count; gpc_num++) {
if (broadcast_flags & PRI_BROADCAST_FLAGS_TPC)
for (tpc_num = 0;
tpc_num < g->gr.gpc_tpc_count[gpc_num];
tpc_num++)
priv_addr_table[t++] =
pri_tpc_addr(pri_tpccs_addr_mask(addr),
gpc_num, tpc_num);
else if (broadcast_flags & PRI_BROADCAST_FLAGS_PPC) {
err = gr_gk20a_split_ppc_broadcast_addr(g, addr, gpc_num,
priv_addr_table, &t);
if (err)
return err;
} else
priv_addr_table[t++] =
pri_gpc_addr(pri_gpccs_addr_mask(addr),
gpc_num);
}
} else {
if (broadcast_flags & PRI_BROADCAST_FLAGS_TPC)
for (tpc_num = 0;
tpc_num < g->gr.gpc_tpc_count[gpc_num];
tpc_num++)
priv_addr_table[t++] =
pri_tpc_addr(pri_tpccs_addr_mask(addr),
gpc_num, tpc_num);
else if (broadcast_flags & PRI_BROADCAST_FLAGS_PPC)
err = gr_gk20a_split_ppc_broadcast_addr(g, addr, gpc_num,
priv_addr_table, &t);
else
priv_addr_table[t++] = addr;
}
*num_registers = t;
return 0;
}
int gr_gk20a_get_ctx_buffer_offsets(struct gk20a *g,
u32 addr,
u32 max_offsets,
u32 *offsets, u32 *offset_addrs,
u32 *num_offsets,
bool is_quad, u32 quad)
{
u32 i;
u32 priv_offset = 0;
u32 *priv_registers;
u32 num_registers = 0;
int err = 0;
u32 potential_offsets = proj_scal_litter_num_gpcs_v() *
proj_scal_litter_num_tpc_per_gpc_v();
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "addr=0x%x", addr);
/* implementation is crossed-up if either of these happen */
if (max_offsets > potential_offsets)
return -EINVAL;
if (!g->gr.ctx_vars.golden_image_initialized)
return -ENODEV;
priv_registers = kzalloc(sizeof(u32) * potential_offsets, GFP_KERNEL);
if (IS_ERR_OR_NULL(priv_registers)) {
gk20a_dbg_fn("failed alloc for potential_offsets=%d", potential_offsets);
err = PTR_ERR(priv_registers);
goto cleanup;
}
memset(offsets, 0, sizeof(u32) * max_offsets);
memset(offset_addrs, 0, sizeof(u32) * max_offsets);
*num_offsets = 0;
gr_gk20a_create_priv_addr_table(g, addr, &priv_registers[0], &num_registers);
if ((max_offsets > 1) && (num_registers > max_offsets)) {
err = -EINVAL;
goto cleanup;
}
if ((max_offsets == 1) && (num_registers > 1))
num_registers = 1;
if (!g->gr.ctx_vars.local_golden_image) {
gk20a_dbg_fn("no context switch header info to work with");
err = -EINVAL;
goto cleanup;
}
for (i = 0; i < num_registers; i++) {
err = gr_gk20a_find_priv_offset_in_buffer(g,
priv_registers[i],
is_quad, quad,
g->gr.ctx_vars.local_golden_image,
g->gr.ctx_vars.golden_image_size,
&priv_offset);
if (err) {
gk20a_dbg_fn("Could not determine priv_offset for addr:0x%x",
addr); /*, grPriRegStr(addr)));*/
goto cleanup;
}
offsets[i] = priv_offset;
offset_addrs[i] = priv_registers[i];
}
*num_offsets = num_registers;
cleanup:
if (!IS_ERR_OR_NULL(priv_registers))
kfree(priv_registers);
return err;
}
/* Setup some register tables. This looks hacky; our
* register/offset functions are just that, functions.
* So they can't be used as initializers... TBD: fix to
* generate consts at least on an as-needed basis.
*/
static const u32 _num_ovr_perf_regs = 17;
static u32 _ovr_perf_regs[17] = { 0, };
/* Following are the blocks of registers that the ucode
stores in the extended region.*/
/* == ctxsw_extended_sm_dsm_perf_counter_register_stride_v() ? */
static const u32 _num_sm_dsm_perf_regs = 5;
/* == ctxsw_extended_sm_dsm_perf_counter_control_register_stride_v() ?*/
static const u32 _num_sm_dsm_perf_ctrl_regs = 4;
static u32 _sm_dsm_perf_regs[5];
static u32 _sm_dsm_perf_ctrl_regs[4];
static void init_sm_dsm_reg_info(void)
{
if (_ovr_perf_regs[0] != 0)
return;
_ovr_perf_regs[0] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control_sel0_r();
_ovr_perf_regs[1] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control_sel1_r();
_ovr_perf_regs[2] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control0_r();
_ovr_perf_regs[3] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control5_r();
_ovr_perf_regs[4] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_status1_r();
_ovr_perf_regs[5] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter0_control_r();
_ovr_perf_regs[6] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter1_control_r();
_ovr_perf_regs[7] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter2_control_r();
_ovr_perf_regs[8] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter3_control_r();
_ovr_perf_regs[9] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter4_control_r();
_ovr_perf_regs[10] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter5_control_r();
_ovr_perf_regs[11] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter6_control_r();
_ovr_perf_regs[12] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter7_control_r();
_ovr_perf_regs[13] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter4_r();
_ovr_perf_regs[14] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter5_r();
_ovr_perf_regs[15] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter6_r();
_ovr_perf_regs[16] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter7_r();
_sm_dsm_perf_regs[0] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_status_r();
_sm_dsm_perf_regs[1] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter0_r();
_sm_dsm_perf_regs[2] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter1_r();
_sm_dsm_perf_regs[3] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter2_r();
_sm_dsm_perf_regs[4] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter3_r();
_sm_dsm_perf_ctrl_regs[0] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control1_r();
_sm_dsm_perf_ctrl_regs[1] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control2_r();
_sm_dsm_perf_ctrl_regs[2] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control3_r();
_sm_dsm_perf_ctrl_regs[3] = gr_pri_gpc0_tpc0_sm_dsm_perf_counter_control4_r();
}
/* TBD: would like to handle this elsewhere, at a higher level.
* these are currently constructed in a "test-then-write" style
* which makes it impossible to know externally whether a ctx
* write will actually occur. so later we should put a lazy,
* map-and-hold system in the patch write state */
int gr_gk20a_ctx_patch_smpc(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u32 addr, u32 data,
u8 *context)
{
u32 num_gpc = g->gr.gpc_count;
u32 num_tpc;
u32 tpc, gpc, reg;
u32 chk_addr;
u32 vaddr_lo;
u32 vaddr_hi;
u32 tmp;
init_sm_dsm_reg_info();
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "addr=0x%x", addr);
for (reg = 0; reg < _num_ovr_perf_regs; reg++) {
for (gpc = 0; gpc < num_gpc; gpc++) {
num_tpc = g->gr.gpc_tpc_count[gpc];
for (tpc = 0; tpc < num_tpc; tpc++) {
chk_addr = ((proj_gpc_stride_v() * gpc) +
(proj_tpc_in_gpc_stride_v() * tpc) +
_ovr_perf_regs[reg]);
if (chk_addr != addr)
continue;
/* reset the patch count from previous
runs,if ucode has already processed
it */
tmp = gk20a_mem_rd32(context +
ctxsw_prog_main_image_patch_count_o(), 0);
if (!tmp)
ch_ctx->patch_ctx.data_count = 0;
gr_gk20a_ctx_patch_write(g, ch_ctx,
addr, data, true);
vaddr_lo = u64_lo32(ch_ctx->patch_ctx.gpu_va);
vaddr_hi = u64_hi32(ch_ctx->patch_ctx.gpu_va);
gk20a_mem_wr32(context +
ctxsw_prog_main_image_patch_count_o(),
0, ch_ctx->patch_ctx.data_count);
gk20a_mem_wr32(context +
ctxsw_prog_main_image_patch_adr_lo_o(),
0, vaddr_lo);
gk20a_mem_wr32(context +
ctxsw_prog_main_image_patch_adr_hi_o(),
0, vaddr_hi);
/* we're not caching these on cpu side,
but later watch for it */
return 0;
}
}
}
return 0;
}
static void gr_gk20a_access_smpc_reg(struct gk20a *g, u32 quad, u32 offset)
{
u32 reg;
u32 quad_ctrl;
u32 half_ctrl;
u32 tpc, gpc;
u32 gpc_tpc_addr;
u32 gpc_tpc_stride;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "offset=0x%x", offset);
gpc = pri_get_gpc_num(offset);
gpc_tpc_addr = pri_gpccs_addr_mask(offset);
tpc = pri_get_tpc_num(gpc_tpc_addr);
quad_ctrl = quad & 0x1; /* first bit tells us quad */
half_ctrl = (quad >> 1) & 0x1; /* second bit tells us half */
gpc_tpc_stride = gpc * proj_gpc_stride_v() +
tpc * proj_tpc_in_gpc_stride_v();
gpc_tpc_addr = gr_gpc0_tpc0_sm_halfctl_ctrl_r() + gpc_tpc_stride;
reg = gk20a_readl(g, gpc_tpc_addr);
reg = set_field(reg,
gr_gpcs_tpcs_sm_halfctl_ctrl_sctl_read_quad_ctl_m(),
gr_gpcs_tpcs_sm_halfctl_ctrl_sctl_read_quad_ctl_f(quad_ctrl));
gk20a_writel(g, gpc_tpc_addr, reg);
gpc_tpc_addr = gr_gpc0_tpc0_sm_debug_sfe_control_r() + gpc_tpc_stride;
reg = gk20a_readl(g, gpc_tpc_addr);
reg = set_field(reg,
gr_gpcs_tpcs_sm_debug_sfe_control_read_half_ctl_m(),
gr_gpcs_tpcs_sm_debug_sfe_control_read_half_ctl_f(half_ctrl));
gk20a_writel(g, gpc_tpc_addr, reg);
}
#define ILLEGAL_ID (~0)
static inline bool check_main_image_header_magic(void *context)
{
u32 magic = gk20a_mem_rd32(context +
ctxsw_prog_main_image_magic_value_o(), 0);
gk20a_dbg(gpu_dbg_gpu_dbg, "main image magic=0x%x", magic);
return magic == ctxsw_prog_main_image_magic_value_v_value_v();
}
static inline bool check_local_header_magic(void *context)
{
u32 magic = gk20a_mem_rd32(context +
ctxsw_prog_local_magic_value_o(), 0);
gk20a_dbg(gpu_dbg_gpu_dbg, "local magic=0x%x", magic);
return magic == ctxsw_prog_local_magic_value_v_value_v();
}
/* most likely dupe of ctxsw_gpccs_header__size_1_v() */
static inline int ctxsw_prog_ucode_header_size_in_bytes(void)
{
return 256;
}
void gr_gk20a_get_sm_dsm_perf_regs(struct gk20a *g,
u32 *num_sm_dsm_perf_regs,
u32 **sm_dsm_perf_regs,
u32 *perf_register_stride)
{
*num_sm_dsm_perf_regs = _num_sm_dsm_perf_regs;
*sm_dsm_perf_regs = _sm_dsm_perf_regs;
*perf_register_stride = ctxsw_prog_extended_sm_dsm_perf_counter_register_stride_v();
}
void gr_gk20a_get_sm_dsm_perf_ctrl_regs(struct gk20a *g,
u32 *num_sm_dsm_perf_ctrl_regs,
u32 **sm_dsm_perf_ctrl_regs,
u32 *ctrl_register_stride)
{
*num_sm_dsm_perf_ctrl_regs = _num_sm_dsm_perf_ctrl_regs;
*sm_dsm_perf_ctrl_regs = _sm_dsm_perf_ctrl_regs;
*ctrl_register_stride = ctxsw_prog_extended_sm_dsm_perf_counter_control_register_stride_v();
}
static int gr_gk20a_find_priv_offset_in_ext_buffer(struct gk20a *g,
u32 addr,
bool is_quad, u32 quad,
u32 *context_buffer,
u32 context_buffer_size,
u32 *priv_offset)
{
u32 i, data32;
u32 gpc_num, tpc_num;
u32 num_gpcs, num_tpcs;
u32 chk_addr;
u32 ext_priv_offset, ext_priv_size;
void *context;
u32 offset_to_segment, offset_to_segment_end;
u32 sm_dsm_perf_reg_id = ILLEGAL_ID;
u32 sm_dsm_perf_ctrl_reg_id = ILLEGAL_ID;
u32 num_ext_gpccs_ext_buffer_segments;
u32 inter_seg_offset;
u32 tpc_gpc_mask = (proj_tpc_in_gpc_stride_v() - 1);
u32 max_tpc_count;
u32 *sm_dsm_perf_ctrl_regs = NULL;
u32 num_sm_dsm_perf_ctrl_regs = 0;
u32 *sm_dsm_perf_regs = NULL;
u32 num_sm_dsm_perf_regs = 0;
u32 buffer_segments_size = 0;
u32 marker_size = 0;
u32 control_register_stride = 0;
u32 perf_register_stride = 0;
/* Only have TPC registers in extended region, so if not a TPC reg,
then return error so caller can look elsewhere. */
if (pri_is_gpc_addr(addr)) {
u32 gpc_addr = 0;
gpc_num = pri_get_gpc_num(addr);
gpc_addr = pri_gpccs_addr_mask(addr);
if (pri_is_tpc_addr(gpc_addr))
tpc_num = pri_get_tpc_num(gpc_addr);
else
return -EINVAL;
gk20a_dbg_info(" gpc = %d tpc = %d",
gpc_num, tpc_num);
} else
return -EINVAL;
buffer_segments_size = ctxsw_prog_extended_buffer_segments_size_in_bytes_v();
/* note below is in words/num_registers */
marker_size = ctxsw_prog_extended_marker_size_in_bytes_v() >> 2;
context = context_buffer;
/* sanity check main header */
if (!check_main_image_header_magic(context)) {
gk20a_err(dev_from_gk20a(g),
"Invalid main header: magic value");
return -EINVAL;
}
num_gpcs = gk20a_mem_rd32(context + ctxsw_prog_main_image_num_gpcs_o(), 0);
if (gpc_num >= num_gpcs) {
gk20a_err(dev_from_gk20a(g),
"GPC 0x%08x is greater than total count 0x%08x!\n",
gpc_num, num_gpcs);
return -EINVAL;
}
data32 = gk20a_mem_rd32(context + ctxsw_prog_main_extended_buffer_ctl_o(), 0);
ext_priv_size = ctxsw_prog_main_extended_buffer_ctl_size_v(data32);
if (0 == ext_priv_size) {
gk20a_dbg_info(" No extended memory in context buffer");
return -EINVAL;
}
ext_priv_offset = ctxsw_prog_main_extended_buffer_ctl_offset_v(data32);
offset_to_segment = ext_priv_offset * ctxsw_prog_ucode_header_size_in_bytes();
offset_to_segment_end = offset_to_segment +
(ext_priv_size * buffer_segments_size);
/* check local header magic */
context += ctxsw_prog_ucode_header_size_in_bytes();
if (!check_local_header_magic(context)) {
gk20a_err(dev_from_gk20a(g),
"Invalid local header: magic value\n");
return -EINVAL;
}
/*
* See if the incoming register address is in the first table of
* registers. We check this by decoding only the TPC addr portion.
* If we get a hit on the TPC bit, we then double check the address
* by computing it from the base gpc/tpc strides. Then make sure
* it is a real match.
*/
g->ops.gr.get_sm_dsm_perf_regs(g, &num_sm_dsm_perf_regs,
&sm_dsm_perf_regs,
&perf_register_stride);
init_sm_dsm_reg_info();
for (i = 0; i < num_sm_dsm_perf_regs; i++) {
if ((addr & tpc_gpc_mask) == (sm_dsm_perf_regs[i] & tpc_gpc_mask)) {
sm_dsm_perf_reg_id = i;
gk20a_dbg_info("register match: 0x%08x",
sm_dsm_perf_regs[i]);
chk_addr = (proj_gpc_base_v() +
(proj_gpc_stride_v() * gpc_num) +
proj_tpc_in_gpc_base_v() +
(proj_tpc_in_gpc_stride_v() * tpc_num) +
(sm_dsm_perf_regs[sm_dsm_perf_reg_id] & tpc_gpc_mask));
if (chk_addr != addr) {
gk20a_err(dev_from_gk20a(g),
"Oops addr miss-match! : 0x%08x != 0x%08x\n",
addr, chk_addr);
return -EINVAL;
}
break;
}
}
/* Didn't find reg in supported group 1.
* so try the second group now */
g->ops.gr.get_sm_dsm_perf_ctrl_regs(g, &num_sm_dsm_perf_ctrl_regs,
&sm_dsm_perf_ctrl_regs,
&control_register_stride);
if (ILLEGAL_ID == sm_dsm_perf_reg_id) {
for (i = 0; i < num_sm_dsm_perf_ctrl_regs; i++) {
if ((addr & tpc_gpc_mask) ==
(sm_dsm_perf_ctrl_regs[i] & tpc_gpc_mask)) {
sm_dsm_perf_ctrl_reg_id = i;
gk20a_dbg_info("register match: 0x%08x",
sm_dsm_perf_ctrl_regs[i]);
chk_addr = (proj_gpc_base_v() +
(proj_gpc_stride_v() * gpc_num) +
proj_tpc_in_gpc_base_v() +
(proj_tpc_in_gpc_stride_v() * tpc_num) +
(sm_dsm_perf_ctrl_regs[sm_dsm_perf_ctrl_reg_id] &
tpc_gpc_mask));
if (chk_addr != addr) {
gk20a_err(dev_from_gk20a(g),
"Oops addr miss-match! : 0x%08x != 0x%08x\n",
addr, chk_addr);
return -EINVAL;
}
break;
}
}
}
if ((ILLEGAL_ID == sm_dsm_perf_ctrl_reg_id) &&
(ILLEGAL_ID == sm_dsm_perf_reg_id))
return -EINVAL;
/* Skip the FECS extended header, nothing there for us now. */
offset_to_segment += buffer_segments_size;
/* skip through the GPCCS extended headers until we get to the data for
* our GPC. The size of each gpc extended segment is enough to hold the
* max tpc count for the gpcs,in 256b chunks.
*/
max_tpc_count = proj_scal_litter_num_tpc_per_gpc_v();
num_ext_gpccs_ext_buffer_segments = (u32)((max_tpc_count + 1) / 2);
offset_to_segment += (num_ext_gpccs_ext_buffer_segments *
buffer_segments_size * gpc_num);
num_tpcs = g->gr.gpc_tpc_count[gpc_num];
/* skip the head marker to start with */
inter_seg_offset = marker_size;
if (ILLEGAL_ID != sm_dsm_perf_ctrl_reg_id) {
/* skip over control regs of TPC's before the one we want.
* then skip to the register in this tpc */
inter_seg_offset = inter_seg_offset +
(tpc_num * control_register_stride) +
sm_dsm_perf_ctrl_reg_id;
} else {
/* skip all the control registers */
inter_seg_offset = inter_seg_offset +
(num_tpcs * control_register_stride);
/* skip the marker between control and counter segments */
inter_seg_offset += marker_size;
/* skip over counter regs of TPCs before the one we want */
inter_seg_offset = inter_seg_offset +
(tpc_num * perf_register_stride) *
ctxsw_prog_extended_num_smpc_quadrants_v();
/* skip over the register for the quadrants we do not want.
* then skip to the register in this tpc */
inter_seg_offset = inter_seg_offset +
(perf_register_stride * quad) +
sm_dsm_perf_reg_id;
}
/* set the offset to the segment offset plus the inter segment offset to
* our register */
offset_to_segment += (inter_seg_offset * 4);
/* last sanity check: did we somehow compute an offset outside the
* extended buffer? */
if (offset_to_segment > offset_to_segment_end) {
gk20a_err(dev_from_gk20a(g),
"Overflow ctxsw buffer! 0x%08x > 0x%08x\n",
offset_to_segment, offset_to_segment_end);
return -EINVAL;
}
*priv_offset = offset_to_segment;
return 0;
}
static int
gr_gk20a_process_context_buffer_priv_segment(struct gk20a *g,
int addr_type,/* enum ctxsw_addr_type */
u32 pri_addr,
u32 gpc_num, u32 num_tpcs,
u32 num_ppcs, u32 ppc_mask,
u32 *priv_offset)
{
u32 i;
u32 address, base_address;
u32 sys_offset, gpc_offset, tpc_offset, ppc_offset;
u32 ppc_num, tpc_num, tpc_addr, gpc_addr, ppc_addr;
struct aiv_gk20a *reg;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "pri_addr=0x%x", pri_addr);
if (!g->gr.ctx_vars.valid)
return -EINVAL;
/* Process the SYS/BE segment. */
if ((addr_type == CTXSW_ADDR_TYPE_SYS) ||
(addr_type == CTXSW_ADDR_TYPE_BE)) {
for (i = 0; i < g->gr.ctx_vars.ctxsw_regs.sys.count; i++) {
reg = &g->gr.ctx_vars.ctxsw_regs.sys.l[i];
address = reg->addr;
sys_offset = reg->index;
if (pri_addr == address) {
*priv_offset = sys_offset;
return 0;
}
}
}
/* Process the TPC segment. */
if (addr_type == CTXSW_ADDR_TYPE_TPC) {
for (tpc_num = 0; tpc_num < num_tpcs; tpc_num++) {
for (i = 0; i < g->gr.ctx_vars.ctxsw_regs.tpc.count; i++) {
reg = &g->gr.ctx_vars.ctxsw_regs.tpc.l[i];
address = reg->addr;
tpc_addr = pri_tpccs_addr_mask(address);
base_address = proj_gpc_base_v() +
(gpc_num * proj_gpc_stride_v()) +
proj_tpc_in_gpc_base_v() +
(tpc_num * proj_tpc_in_gpc_stride_v());
address = base_address + tpc_addr;
/*
* The data for the TPCs is interleaved in the context buffer.
* Example with num_tpcs = 2
* 0 1 2 3 4 5 6 7 8 9 10 11 ...
* 0-0 1-0 0-1 1-1 0-2 1-2 0-3 1-3 0-4 1-4 0-5 1-5 ...
*/
tpc_offset = (reg->index * num_tpcs) + (tpc_num * 4);
if (pri_addr == address) {
*priv_offset = tpc_offset;
return 0;
}
}
}
}
/* Process the PPC segment. */
if (addr_type == CTXSW_ADDR_TYPE_PPC) {
for (ppc_num = 0; ppc_num < num_ppcs; ppc_num++) {
for (i = 0; i < g->gr.ctx_vars.ctxsw_regs.ppc.count; i++) {
reg = &g->gr.ctx_vars.ctxsw_regs.ppc.l[i];
address = reg->addr;
ppc_addr = pri_ppccs_addr_mask(address);
base_address = proj_gpc_base_v() +
(gpc_num * proj_gpc_stride_v()) +
proj_ppc_in_gpc_base_v() +
(ppc_num * proj_ppc_in_gpc_stride_v());
address = base_address + ppc_addr;
/*
* The data for the PPCs is interleaved in the context buffer.
* Example with numPpcs = 2
* 0 1 2 3 4 5 6 7 8 9 10 11 ...
* 0-0 1-0 0-1 1-1 0-2 1-2 0-3 1-3 0-4 1-4 0-5 1-5 ...
*/
ppc_offset = (reg->index * num_ppcs) + (ppc_num * 4);
if (pri_addr == address) {
*priv_offset = ppc_offset;
return 0;
}
}
}
}
/* Process the GPC segment. */
if (addr_type == CTXSW_ADDR_TYPE_GPC) {
for (i = 0; i < g->gr.ctx_vars.ctxsw_regs.gpc.count; i++) {
reg = &g->gr.ctx_vars.ctxsw_regs.gpc.l[i];
address = reg->addr;
gpc_addr = pri_gpccs_addr_mask(address);
gpc_offset = reg->index;
base_address = proj_gpc_base_v() +
(gpc_num * proj_gpc_stride_v());
address = base_address + gpc_addr;
if (pri_addr == address) {
*priv_offset = gpc_offset;
return 0;
}
}
}
return -EINVAL;
}
static int gr_gk20a_determine_ppc_configuration(struct gk20a *g,
void *context,
u32 *num_ppcs, u32 *ppc_mask,
u32 *reg_ppc_count)
{
u32 data32;
u32 litter_num_pes_per_gpc = proj_scal_litter_num_pes_per_gpc_v();
/*
* if there is only 1 PES_PER_GPC, then we put the PES registers
* in the GPC reglist, so we can't error out if ppc.count == 0
*/
if ((!g->gr.ctx_vars.valid) ||
((g->gr.ctx_vars.ctxsw_regs.ppc.count == 0) &&
(litter_num_pes_per_gpc > 1)))
return -EINVAL;
data32 = gk20a_mem_rd32(context + ctxsw_prog_local_image_ppc_info_o(), 0);
*num_ppcs = ctxsw_prog_local_image_ppc_info_num_ppcs_v(data32);
*ppc_mask = ctxsw_prog_local_image_ppc_info_ppc_mask_v(data32);
*reg_ppc_count = g->gr.ctx_vars.ctxsw_regs.ppc.count;
return 0;
}
/*
* This function will return the 32 bit offset for a priv register if it is
* present in the context buffer.
*/
static int gr_gk20a_find_priv_offset_in_buffer(struct gk20a *g,
u32 addr,
bool is_quad, u32 quad,
u32 *context_buffer,
u32 context_buffer_size,
u32 *priv_offset)
{
struct gr_gk20a *gr = &g->gr;
u32 i, data32;
int err;
int addr_type; /*enum ctxsw_addr_type */
u32 broadcast_flags;
u32 gpc_num, tpc_num, ppc_num, be_num;
u32 num_gpcs, num_tpcs, num_ppcs;
u32 offset;
u32 sys_priv_offset, gpc_priv_offset;
u32 ppc_mask, reg_list_ppc_count;
void *context;
u32 offset_to_segment;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "addr=0x%x", addr);
err = gr_gk20a_decode_priv_addr(g, addr, &addr_type,
&gpc_num, &tpc_num, &ppc_num, &be_num,
&broadcast_flags);
if (err)
return err;
context = context_buffer;
if (!check_main_image_header_magic(context)) {
gk20a_err(dev_from_gk20a(g),
"Invalid main header: magic value");
return -EINVAL;
}
num_gpcs = gk20a_mem_rd32(context + ctxsw_prog_main_image_num_gpcs_o(), 0);
/* Parse the FECS local header. */
context += ctxsw_prog_ucode_header_size_in_bytes();
if (!check_local_header_magic(context)) {
gk20a_err(dev_from_gk20a(g),
"Invalid FECS local header: magic value\n");
return -EINVAL;
}
data32 = gk20a_mem_rd32(context + ctxsw_prog_local_priv_register_ctl_o(), 0);
sys_priv_offset = ctxsw_prog_local_priv_register_ctl_offset_v(data32);
/* If found in Ext buffer, ok.
* If it failed and we expected to find it there (quad offset)
* then return the error. Otherwise continue on.
*/
err = gr_gk20a_find_priv_offset_in_ext_buffer(g,
addr, is_quad, quad, context_buffer,
context_buffer_size, priv_offset);
if (!err || (err && is_quad))
return err;
if ((addr_type == CTXSW_ADDR_TYPE_SYS) ||
(addr_type == CTXSW_ADDR_TYPE_BE)) {
/* Find the offset in the FECS segment. */
offset_to_segment = sys_priv_offset *
ctxsw_prog_ucode_header_size_in_bytes();
err = gr_gk20a_process_context_buffer_priv_segment(g,
addr_type, addr,
0, 0, 0, 0,
&offset);
if (err)
return err;
*priv_offset = (offset_to_segment + offset);
return 0;
}
if ((gpc_num + 1) > num_gpcs) {
gk20a_err(dev_from_gk20a(g),
"GPC %d not in this context buffer.\n",
gpc_num);
return -EINVAL;
}
/* Parse the GPCCS local header(s).*/
for (i = 0; i < num_gpcs; i++) {
context += ctxsw_prog_ucode_header_size_in_bytes();
if (!check_local_header_magic(context)) {
gk20a_err(dev_from_gk20a(g),
"Invalid GPCCS local header: magic value\n");
return -EINVAL;
}
data32 = gk20a_mem_rd32(context + ctxsw_prog_local_priv_register_ctl_o(), 0);
gpc_priv_offset = ctxsw_prog_local_priv_register_ctl_offset_v(data32);
err = gr_gk20a_determine_ppc_configuration(g, context,
&num_ppcs, &ppc_mask,
®_list_ppc_count);
if (err)
return err;
num_tpcs = gk20a_mem_rd32(context + ctxsw_prog_local_image_num_tpcs_o(), 0);
if ((i == gpc_num) && ((tpc_num + 1) > num_tpcs)) {
gk20a_err(dev_from_gk20a(g),
"GPC %d TPC %d not in this context buffer.\n",
gpc_num, tpc_num);
return -EINVAL;
}
/* Find the offset in the GPCCS segment.*/
if (i == gpc_num) {
offset_to_segment = gpc_priv_offset *
ctxsw_prog_ucode_header_size_in_bytes();
if (addr_type == CTXSW_ADDR_TYPE_TPC) {
/*reg = gr->ctx_vars.ctxsw_regs.tpc.l;*/
} else if (addr_type == CTXSW_ADDR_TYPE_PPC) {
/* The ucode stores TPC data before PPC data.
* Advance offset past TPC data to PPC data. */
offset_to_segment +=
((gr->ctx_vars.ctxsw_regs.tpc.count *
num_tpcs) << 2);
} else if (addr_type == CTXSW_ADDR_TYPE_GPC) {
/* The ucode stores TPC/PPC data before GPC data.
* Advance offset past TPC/PPC data to GPC data. */
/* note 1 PES_PER_GPC case */
u32 litter_num_pes_per_gpc =
proj_scal_litter_num_pes_per_gpc_v();
if (litter_num_pes_per_gpc > 1) {
offset_to_segment +=
(((gr->ctx_vars.ctxsw_regs.tpc.count *
num_tpcs) << 2) +
((reg_list_ppc_count * num_ppcs) << 2));
} else {
offset_to_segment +=
((gr->ctx_vars.ctxsw_regs.tpc.count *
num_tpcs) << 2);
}
} else {
gk20a_err(dev_from_gk20a(g),
" Unknown address type.\n");
return -EINVAL;
}
err = gr_gk20a_process_context_buffer_priv_segment(g,
addr_type, addr,
i, num_tpcs,
num_ppcs, ppc_mask,
&offset);
if (err)
return -EINVAL;
*priv_offset = offset_to_segment + offset;
return 0;
}
}
return -EINVAL;
}
int gr_gk20a_exec_ctx_ops(struct channel_gk20a *ch,
struct nvgpu_dbg_gpu_reg_op *ctx_ops, u32 num_ops,
u32 num_ctx_wr_ops, u32 num_ctx_rd_ops)
{
struct gk20a *g = ch->g;
struct channel_ctx_gk20a *ch_ctx = &ch->ch_ctx;
void *ctx_ptr = NULL;
int curr_gr_chid, curr_gr_ctx;
bool ch_is_curr_ctx, restart_gr_ctxsw = false;
u32 i, j, offset, v;
u32 max_offsets = proj_scal_litter_num_gpcs_v() *
proj_scal_litter_num_tpc_per_gpc_v();
u32 *offsets = NULL;
u32 *offset_addrs = NULL;
u32 ctx_op_nr, num_ctx_ops[2] = {num_ctx_wr_ops, num_ctx_rd_ops};
int err, pass;
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "wr_ops=%d rd_ops=%d",
num_ctx_wr_ops, num_ctx_rd_ops);
/* disable channel switching.
* at that point the hardware state can be inspected to
* determine if the context we're interested in is current.
*/
err = gr_gk20a_disable_ctxsw(g);
if (err) {
gk20a_err(dev_from_gk20a(g), "unable to stop gr ctxsw");
/* this should probably be ctx-fatal... */
goto cleanup;
}
restart_gr_ctxsw = true;
curr_gr_ctx = gk20a_readl(g, gr_fecs_current_ctx_r());
curr_gr_chid = gk20a_gr_get_chid_from_ctx(g, curr_gr_ctx);
ch_is_curr_ctx = (curr_gr_chid != -1) && (ch->hw_chid == curr_gr_chid);
gk20a_dbg(gpu_dbg_fn | gpu_dbg_gpu_dbg, "is curr ctx=%d", ch_is_curr_ctx);
if (ch_is_curr_ctx) {
for (pass = 0; pass < 2; pass++) {
ctx_op_nr = 0;
for (i = 0; (ctx_op_nr < num_ctx_ops[pass]) && (i < num_ops); ++i) {
/* only do ctx ops and only on the right pass */
if ((ctx_ops[i].type == REGOP(TYPE_GLOBAL)) ||
(((pass == 0) && reg_op_is_read(ctx_ops[i].op)) ||
((pass == 1) && !reg_op_is_read(ctx_ops[i].op))))
continue;
/* if this is a quad access, setup for special access*/
if (ctx_ops[i].type == REGOP(TYPE_GR_CTX_QUAD)
&& g->ops.gr.access_smpc_reg)
g->ops.gr.access_smpc_reg(g,
ctx_ops[i].quad,
ctx_ops[i].offset);
offset = ctx_ops[i].offset;
if (pass == 0) { /* write pass */
v = gk20a_readl(g, offset);
v &= ~ctx_ops[i].and_n_mask_lo;
v |= ctx_ops[i].value_lo;
gk20a_writel(g, offset, v);
gk20a_dbg(gpu_dbg_gpu_dbg,
"direct wr: offset=0x%x v=0x%x",
offset, v);
if (ctx_ops[i].op == REGOP(WRITE_64)) {
v = gk20a_readl(g, offset + 4);
v &= ~ctx_ops[i].and_n_mask_hi;
v |= ctx_ops[i].value_hi;
gk20a_writel(g, offset + 4, v);
gk20a_dbg(gpu_dbg_gpu_dbg,
"direct wr: offset=0x%x v=0x%x",
offset + 4, v);
}
} else { /* read pass */
ctx_ops[i].value_lo =
gk20a_readl(g, offset);
gk20a_dbg(gpu_dbg_gpu_dbg,
"direct rd: offset=0x%x v=0x%x",
offset, ctx_ops[i].value_lo);
if (ctx_ops[i].op == REGOP(READ_64)) {
ctx_ops[i].value_hi =
gk20a_readl(g, offset + 4);
gk20a_dbg(gpu_dbg_gpu_dbg,
"direct rd: offset=0x%x v=0x%x",
offset, ctx_ops[i].value_lo);
} else
ctx_ops[i].value_hi = 0;
}
ctx_op_nr++;
}
}
goto cleanup;
}
/* they're the same size, so just use one alloc for both */
offsets = kzalloc(2 * sizeof(u32) * max_offsets, GFP_KERNEL);
if (!offsets) {
err = -ENOMEM;
goto cleanup;
}
offset_addrs = offsets + max_offsets;
/* would have been a variant of gr_gk20a_apply_instmem_overrides */
/* recoded in-place instead.*/
ctx_ptr = vmap(ch_ctx->gr_ctx->pages,
PAGE_ALIGN(ch_ctx->gr_ctx->size) >> PAGE_SHIFT,
0, pgprot_dmacoherent(PAGE_KERNEL));
if (!ctx_ptr) {
err = -ENOMEM;
goto cleanup;
}
gk20a_mm_l2_flush(g, true);
/* write to appropriate place in context image,
* first have to figure out where that really is */
/* first pass is writes, second reads */
for (pass = 0; pass < 2; pass++) {
ctx_op_nr = 0;
for (i = 0; (ctx_op_nr < num_ctx_ops[pass]) && (i < num_ops); ++i) {
u32 num_offsets;
/* only do ctx ops and only on the right pass */
if ((ctx_ops[i].type == REGOP(TYPE_GLOBAL)) ||
(((pass == 0) && reg_op_is_read(ctx_ops[i].op)) ||
((pass == 1) && !reg_op_is_read(ctx_ops[i].op))))
continue;
err = gr_gk20a_get_ctx_buffer_offsets(g,
ctx_ops[i].offset,
max_offsets,
offsets, offset_addrs,
&num_offsets,
ctx_ops[i].type == REGOP(TYPE_GR_CTX_QUAD),
ctx_ops[i].quad);
if (err) {
gk20a_dbg(gpu_dbg_gpu_dbg,
"ctx op invalid offset: offset=0x%x",
ctx_ops[i].offset);
ctx_ops[i].status =
NVGPU_DBG_GPU_REG_OP_STATUS_INVALID_OFFSET;
continue;
}
/* if this is a quad access, setup for special access*/
if (ctx_ops[i].type == REGOP(TYPE_GR_CTX_QUAD) &&
g->ops.gr.access_smpc_reg)
g->ops.gr.access_smpc_reg(g, ctx_ops[i].quad,
ctx_ops[i].offset);
for (j = 0; j < num_offsets; j++) {
/* sanity check, don't write outside, worst case */
if (offsets[j] >= g->gr.ctx_vars.golden_image_size)
continue;
if (pass == 0) { /* write pass */
v = gk20a_mem_rd32(ctx_ptr + offsets[j], 0);
v &= ~ctx_ops[i].and_n_mask_lo;
v |= ctx_ops[i].value_lo;
gk20a_mem_wr32(ctx_ptr + offsets[j], 0, v);
gk20a_dbg(gpu_dbg_gpu_dbg,
"context wr: offset=0x%x v=0x%x",
offsets[j], v);
if (ctx_ops[i].op == REGOP(WRITE_64)) {
v = gk20a_mem_rd32(ctx_ptr + offsets[j] + 4, 0);
v &= ~ctx_ops[i].and_n_mask_hi;
v |= ctx_ops[i].value_hi;
gk20a_mem_wr32(ctx_ptr + offsets[j] + 4, 0, v);
gk20a_dbg(gpu_dbg_gpu_dbg,
"context wr: offset=0x%x v=0x%x",
offsets[j] + 4, v);
}
/* check to see if we need to add a special WAR
for some of the SMPC perf regs */
gr_gk20a_ctx_patch_smpc(g, ch_ctx, offset_addrs[j],
v, ctx_ptr);
} else { /* read pass */
ctx_ops[i].value_lo =
gk20a_mem_rd32(ctx_ptr + offsets[0], 0);
gk20a_dbg(gpu_dbg_gpu_dbg, "context rd: offset=0x%x v=0x%x",
offsets[0], ctx_ops[i].value_lo);
if (ctx_ops[i].op == REGOP(READ_64)) {
ctx_ops[i].value_hi =
gk20a_mem_rd32(ctx_ptr + offsets[0] + 4, 0);
gk20a_dbg(gpu_dbg_gpu_dbg,
"context rd: offset=0x%x v=0x%x",
offsets[0] + 4, ctx_ops[i].value_hi);
} else
ctx_ops[i].value_hi = 0;
}
}
ctx_op_nr++;
}
}
#if 0
/* flush cpu caches for the ctx buffer? only if cpu cached, of course.
* they aren't, yet */
if (cached) {
FLUSH_CPU_DCACHE(ctx_ptr,
sg_phys(ch_ctx->gr_ctx.mem.ref), size);
}
#endif
cleanup:
if (offsets)
kfree(offsets);
if (ctx_ptr)
vunmap(ctx_ptr);
if (restart_gr_ctxsw) {
int tmp_err = gr_gk20a_enable_ctxsw(g);
if (tmp_err) {
gk20a_err(dev_from_gk20a(g), "unable to restart ctxsw!\n");
err = tmp_err;
}
}
return err;
}
static void gr_gk20a_cb_size_default(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
gr->attrib_cb_default_size =
gr_gpc0_ppc0_cbm_cfg_size_default_v();
gr->alpha_cb_default_size =
gr_gpc0_ppc0_cbm_cfg2_size_default_v();
}
static int gr_gk20a_calc_global_ctx_buffer_size(struct gk20a *g)
{
struct gr_gk20a *gr = &g->gr;
int size;
gr->attrib_cb_size = gr->attrib_cb_default_size;
gr->alpha_cb_size = gr->alpha_cb_default_size
+ (gr->alpha_cb_default_size >> 1);
size = gr->attrib_cb_size *
gr_gpc0_ppc0_cbm_cfg_size_granularity_v() *
gr->max_tpc_count;
size += gr->alpha_cb_size *
gr_gpc0_ppc0_cbm_cfg2_size_granularity_v() *
gr->max_tpc_count;
return size;
}
void gr_gk20a_commit_global_pagepool(struct gk20a *g,
struct channel_ctx_gk20a *ch_ctx,
u64 addr, u32 size, bool patch)
{
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_scc_pagepool_base_r(),
gr_scc_pagepool_base_addr_39_8_f(addr), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_scc_pagepool_r(),
gr_scc_pagepool_total_pages_f(size) |
gr_scc_pagepool_valid_true_f(), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_gcc_pagepool_base_r(),
gr_gpcs_gcc_pagepool_base_addr_39_8_f(addr), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_gpcs_gcc_pagepool_r(),
gr_gpcs_gcc_pagepool_total_pages_f(size), patch);
gr_gk20a_ctx_patch_write(g, ch_ctx, gr_pd_pagepool_r(),
gr_pd_pagepool_total_pages_f(size) |
gr_pd_pagepool_valid_true_f(), patch);
}
void gk20a_init_gr(struct gk20a *g)
{
init_waitqueue_head(&g->gr.init_wq);
}
void gk20a_init_gr_ops(struct gpu_ops *gops)
{
gops->gr.access_smpc_reg = gr_gk20a_access_smpc_reg;
gops->gr.bundle_cb_defaults = gr_gk20a_bundle_cb_defaults;
gops->gr.cb_size_default = gr_gk20a_cb_size_default;
gops->gr.calc_global_ctx_buffer_size =
gr_gk20a_calc_global_ctx_buffer_size;
gops->gr.commit_global_attrib_cb = gr_gk20a_commit_global_attrib_cb;
gops->gr.commit_global_bundle_cb = gr_gk20a_commit_global_bundle_cb;
gops->gr.commit_global_cb_manager = gr_gk20a_commit_global_cb_manager;
gops->gr.commit_global_pagepool = gr_gk20a_commit_global_pagepool;
gops->gr.handle_sw_method = gr_gk20a_handle_sw_method;
gops->gr.set_alpha_circular_buffer_size =
gk20a_gr_set_circular_buffer_size;
gops->gr.set_circular_buffer_size =
gk20a_gr_set_alpha_circular_buffer_size;
gops->gr.enable_hww_exceptions = gr_gk20a_enable_hww_exceptions;
gops->gr.is_valid_class = gr_gk20a_is_valid_class;
gops->gr.get_sm_dsm_perf_regs = gr_gk20a_get_sm_dsm_perf_regs;
gops->gr.get_sm_dsm_perf_ctrl_regs = gr_gk20a_get_sm_dsm_perf_ctrl_regs;
gops->gr.init_fs_state = gr_gk20a_ctx_state_floorsweep;
gops->gr.set_hww_esr_report_mask = gr_gk20a_set_hww_esr_report_mask;
gops->gr.setup_alpha_beta_tables = gr_gk20a_setup_alpha_beta_tables;
gops->gr.falcon_load_ucode = gr_gk20a_load_ctxsw_ucode_segments;
gops->gr.load_ctxsw_ucode = gr_gk20a_load_ctxsw_ucode;
gops->gr.get_gpc_tpc_mask = gr_gk20a_get_gpc_tpc_mask;
gops->gr.free_channel_ctx = gk20a_free_channel_ctx;
gops->gr.alloc_obj_ctx = gk20a_alloc_obj_ctx;
gops->gr.free_obj_ctx = gk20a_free_obj_ctx;
gops->gr.bind_ctxsw_zcull = gr_gk20a_bind_ctxsw_zcull;
gops->gr.get_zcull_info = gr_gk20a_get_zcull_info;
}
