/*
* Copyright (C) 2007 Ben Skeggs.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial
* portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#include "drmP.h"
#include "drm.h"
#include "nouveau_drv.h"
#include "nouveau_ramht.h"
#include "nouveau_grctx.h"
#include "nouveau_dma.h"
#include "nouveau_vm.h"
#include "nv50_evo.h"
static int nv50_graph_register(struct drm_device *);
static void nv50_graph_isr(struct drm_device *);
static void
nv50_graph_init_reset(struct drm_device *dev)
{
uint32_t pmc_e = NV_PMC_ENABLE_PGRAPH | (1 << 21);
NV_DEBUG(dev, "\n");
nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) & ~pmc_e);
nv_wr32(dev, NV03_PMC_ENABLE, nv_rd32(dev, NV03_PMC_ENABLE) | pmc_e);
}
static void
nv50_graph_init_intr(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
nouveau_irq_register(dev, 12, nv50_graph_isr);
nv_wr32(dev, NV03_PGRAPH_INTR, 0xffffffff);
nv_wr32(dev, 0x400138, 0xffffffff);
nv_wr32(dev, NV40_PGRAPH_INTR_EN, 0xffffffff);
}
static void
nv50_graph_init_regs__nv(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t units = nv_rd32(dev, 0x1540);
int i;
NV_DEBUG(dev, "\n");
nv_wr32(dev, 0x400804, 0xc0000000);
nv_wr32(dev, 0x406800, 0xc0000000);
nv_wr32(dev, 0x400c04, 0xc0000000);
nv_wr32(dev, 0x401800, 0xc0000000);
nv_wr32(dev, 0x405018, 0xc0000000);
nv_wr32(dev, 0x402000, 0xc0000000);
for (i = 0; i < 16; i++) {
if (units & 1 << i) {
if (dev_priv->chipset < 0xa0) {
nv_wr32(dev, 0x408900 + (i << 12), 0xc0000000);
nv_wr32(dev, 0x408e08 + (i << 12), 0xc0000000);
nv_wr32(dev, 0x408314 + (i << 12), 0xc0000000);
} else {
nv_wr32(dev, 0x408600 + (i << 11), 0xc0000000);
nv_wr32(dev, 0x408708 + (i << 11), 0xc0000000);
nv_wr32(dev, 0x40831c + (i << 11), 0xc0000000);
}
}
}
nv_wr32(dev, 0x400108, 0xffffffff);
nv_wr32(dev, 0x400824, 0x00004000);
nv_wr32(dev, 0x400500, 0x00010001);
}
static void
nv50_graph_init_regs(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
nv_wr32(dev, NV04_PGRAPH_DEBUG_3,
(1 << 2) /* HW_CONTEXT_SWITCH_ENABLED */);
nv_wr32(dev, 0x402ca8, 0x800);
}
static int
nv50_graph_init_ctxctl(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_grctx ctx = {};
uint32_t *cp;
int i;
NV_DEBUG(dev, "\n");
cp = kmalloc(512 * 4, GFP_KERNEL);
if (!cp) {
NV_ERROR(dev, "failed to allocate ctxprog\n");
dev_priv->engine.graph.accel_blocked = true;
return 0;
}
ctx.dev = dev;
ctx.mode = NOUVEAU_GRCTX_PROG;
ctx.data = cp;
ctx.ctxprog_max = 512;
if (!nv50_grctx_init(&ctx)) {
dev_priv->engine.graph.grctx_size = ctx.ctxvals_pos * 4;
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_INDEX, 0);
for (i = 0; i < ctx.ctxprog_len; i++)
nv_wr32(dev, NV40_PGRAPH_CTXCTL_UCODE_DATA, cp[i]);
} else {
dev_priv->engine.graph.accel_blocked = true;
}
kfree(cp);
nv_wr32(dev, 0x400320, 4);
nv_wr32(dev, NV40_PGRAPH_CTXCTL_CUR, 0);
nv_wr32(dev, NV20_PGRAPH_CHANNEL_CTX_POINTER, 0);
return 0;
}
int
nv50_graph_init(struct drm_device *dev)
{
int ret;
NV_DEBUG(dev, "\n");
nv50_graph_init_reset(dev);
nv50_graph_init_regs__nv(dev);
nv50_graph_init_regs(dev);
ret = nv50_graph_init_ctxctl(dev);
if (ret)
return ret;
ret = nv50_graph_register(dev);
if (ret)
return ret;
nv50_graph_init_intr(dev);
return 0;
}
void
nv50_graph_takedown(struct drm_device *dev)
{
NV_DEBUG(dev, "\n");
nv_wr32(dev, 0x40013c, 0x00000000);
nouveau_irq_unregister(dev, 12);
}
void
nv50_graph_fifo_access(struct drm_device *dev, bool enabled)
{
const uint32_t mask = 0x00010001;
if (enabled)
nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) | mask);
else
nv_wr32(dev, 0x400500, nv_rd32(dev, 0x400500) & ~mask);
}
struct nouveau_channel *
nv50_graph_channel(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t inst;
int i;
/* Be sure we're not in the middle of a context switch or bad things
* will happen, such as unloading the wrong pgraph context.
*/
if (!nv_wait(dev, 0x400300, 0x00000001, 0x00000000))
NV_ERROR(dev, "Ctxprog is still running\n");
inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
return NULL;
inst = (inst & NV50_PGRAPH_CTXCTL_CUR_INSTANCE) << 12;
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
struct nouveau_channel *chan = dev_priv->channels.ptr[i];
if (chan && chan->ramin && chan->ramin->vinst == inst)
return chan;
}
return NULL;
}
int
nv50_graph_create_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_gpuobj *ramin = chan->ramin;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_grctx ctx = {};
int hdr, ret;
NV_DEBUG(dev, "ch%d\n", chan->id);
ret = nouveau_gpuobj_new(dev, chan, pgraph->grctx_size, 0,
NVOBJ_FLAG_ZERO_ALLOC |
NVOBJ_FLAG_ZERO_FREE, &chan->ramin_grctx);
if (ret)
return ret;
hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
nv_wo32(ramin, hdr + 0x00, 0x00190002);
nv_wo32(ramin, hdr + 0x04, chan->ramin_grctx->vinst +
pgraph->grctx_size - 1);
nv_wo32(ramin, hdr + 0x08, chan->ramin_grctx->vinst);
nv_wo32(ramin, hdr + 0x0c, 0);
nv_wo32(ramin, hdr + 0x10, 0);
nv_wo32(ramin, hdr + 0x14, 0x00010000);
ctx.dev = chan->dev;
ctx.mode = NOUVEAU_GRCTX_VALS;
ctx.data = chan->ramin_grctx;
nv50_grctx_init(&ctx);
nv_wo32(chan->ramin_grctx, 0x00000, chan->ramin->vinst >> 12);
dev_priv->engine.instmem.flush(dev);
atomic_inc(&chan->vm->pgraph_refs);
return 0;
}
void
nv50_graph_destroy_context(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_pgraph_engine *pgraph = &dev_priv->engine.graph;
struct nouveau_fifo_engine *pfifo = &dev_priv->engine.fifo;
int i, hdr = (dev_priv->chipset == 0x50) ? 0x200 : 0x20;
unsigned long flags;
NV_DEBUG(dev, "ch%d\n", chan->id);
if (!chan->ramin)
return;
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
pfifo->reassign(dev, false);
pgraph->fifo_access(dev, false);
if (pgraph->channel(dev) == chan)
pgraph->unload_context(dev);
for (i = hdr; i < hdr + 24; i += 4)
nv_wo32(chan->ramin, i, 0);
dev_priv->engine.instmem.flush(dev);
pgraph->fifo_access(dev, true);
pfifo->reassign(dev, true);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
nouveau_gpuobj_ref(NULL, &chan->ramin_grctx);
atomic_dec(&chan->vm->pgraph_refs);
}
static int
nv50_graph_do_load_context(struct drm_device *dev, uint32_t inst)
{
uint32_t fifo = nv_rd32(dev, 0x400500);
nv_wr32(dev, 0x400500, fifo & ~1);
nv_wr32(dev, 0x400784, inst);
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x40);
nv_wr32(dev, 0x400320, nv_rd32(dev, 0x400320) | 0x11);
nv_wr32(dev, 0x400040, 0xffffffff);
(void)nv_rd32(dev, 0x400040);
nv_wr32(dev, 0x400040, 0x00000000);
nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 1);
if (nouveau_wait_for_idle(dev))
nv_wr32(dev, 0x40032c, inst | (1<<31));
nv_wr32(dev, 0x400500, fifo);
return 0;
}
int
nv50_graph_load_context(struct nouveau_channel *chan)
{
uint32_t inst = chan->ramin->vinst >> 12;
NV_DEBUG(chan->dev, "ch%d\n", chan->id);
return nv50_graph_do_load_context(chan->dev, inst);
}
int
nv50_graph_unload_context(struct drm_device *dev)
{
uint32_t inst;
inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_CUR);
if (!(inst & NV50_PGRAPH_CTXCTL_CUR_LOADED))
return 0;
inst &= NV50_PGRAPH_CTXCTL_CUR_INSTANCE;
nouveau_wait_for_idle(dev);
nv_wr32(dev, 0x400784, inst);
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) | 0x20);
nv_wr32(dev, 0x400304, nv_rd32(dev, 0x400304) | 0x01);
nouveau_wait_for_idle(dev);
nv_wr32(dev, NV50_PGRAPH_CTXCTL_CUR, inst);
return 0;
}
static void
nv50_graph_context_switch(struct drm_device *dev)
{
uint32_t inst;
nv50_graph_unload_context(dev);
inst = nv_rd32(dev, NV50_PGRAPH_CTXCTL_NEXT);
inst &= NV50_PGRAPH_CTXCTL_NEXT_INSTANCE;
nv50_graph_do_load_context(dev, inst);
nv_wr32(dev, NV40_PGRAPH_INTR_EN, nv_rd32(dev,
NV40_PGRAPH_INTR_EN) | NV_PGRAPH_INTR_CONTEXT_SWITCH);
}
static int
nv50_graph_nvsw_dma_vblsem(struct nouveau_channel *chan,
u32 class, u32 mthd, u32 data)
{
struct nouveau_gpuobj *gpuobj;
gpuobj = nouveau_ramht_find(chan, data);
if (!gpuobj)
return -ENOENT;
if (nouveau_notifier_offset(gpuobj, NULL))
return -EINVAL;
chan->nvsw.vblsem = gpuobj;
chan->nvsw.vblsem_offset = ~0;
return 0;
}
static int
nv50_graph_nvsw_vblsem_offset(struct nouveau_channel *chan,
u32 class, u32 mthd, u32 data)
{
if (nouveau_notifier_offset(chan->nvsw.vblsem, &data))
return -ERANGE;
chan->nvsw.vblsem_offset = data >> 2;
return 0;
}
static int
nv50_graph_nvsw_vblsem_release_val(struct nouveau_channel *chan,
u32 class, u32 mthd, u32 data)
{
chan->nvsw.vblsem_rval = data;
return 0;
}
static int
nv50_graph_nvsw_vblsem_release(struct nouveau_channel *chan,
u32 class, u32 mthd, u32 data)
{
struct drm_device *dev = chan->dev;
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (!chan->nvsw.vblsem || chan->nvsw.vblsem_offset == ~0 || data > 1)
return -EINVAL;
drm_vblank_get(dev, data);
chan->nvsw.vblsem_head = data;
list_add(&chan->nvsw.vbl_wait, &dev_priv->vbl_waiting);
return 0;
}
static int
nv50_graph_nvsw_mthd_page_flip(struct nouveau_channel *chan,
u32 class, u32 mthd, u32 data)
{
struct nouveau_page_flip_state s;
if (!nouveau_finish_page_flip(chan, &s)) {
/* XXX - Do something here */
}
return 0;
}
static int
nv50_graph_register(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
if (dev_priv->engine.graph.registered)
return 0;
NVOBJ_CLASS(dev, 0x506e, SW); /* nvsw */
NVOBJ_MTHD (dev, 0x506e, 0x018c, nv50_graph_nvsw_dma_vblsem);
NVOBJ_MTHD (dev, 0x506e, 0x0400, nv50_graph_nvsw_vblsem_offset);
NVOBJ_MTHD (dev, 0x506e, 0x0404, nv50_graph_nvsw_vblsem_release_val);
NVOBJ_MTHD (dev, 0x506e, 0x0408, nv50_graph_nvsw_vblsem_release);
NVOBJ_MTHD (dev, 0x506e, 0x0500, nv50_graph_nvsw_mthd_page_flip);
NVOBJ_CLASS(dev, 0x0030, GR); /* null */
NVOBJ_CLASS(dev, 0x5039, GR); /* m2mf */
NVOBJ_CLASS(dev, 0x502d, GR); /* 2d */
/* tesla */
if (dev_priv->chipset == 0x50)
NVOBJ_CLASS(dev, 0x5097, GR); /* tesla (nv50) */
else
if (dev_priv->chipset < 0xa0)
NVOBJ_CLASS(dev, 0x8297, GR); /* tesla (nv8x/nv9x) */
else {
switch (dev_priv->chipset) {
case 0xa0:
case 0xaa:
case 0xac:
NVOBJ_CLASS(dev, 0x8397, GR);
break;
case 0xa3:
case 0xa5:
case 0xa8:
NVOBJ_CLASS(dev, 0x8597, GR);
break;
case 0xaf:
NVOBJ_CLASS(dev, 0x8697, GR);
break;
}
}
/* compute */
NVOBJ_CLASS(dev, 0x50c0, GR);
if (dev_priv->chipset > 0xa0 &&
dev_priv->chipset != 0xaa &&
dev_priv->chipset != 0xac)
NVOBJ_CLASS(dev, 0x85c0, GR);
dev_priv->engine.graph.registered = true;
return 0;
}
void
nv50_graph_tlb_flush(struct drm_device *dev)
{
nv50_vm_flush_engine(dev, 0);
}
void
nv86_graph_tlb_flush(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_timer_engine *ptimer = &dev_priv->engine.timer;
bool idle, timeout = false;
unsigned long flags;
u64 start;
u32 tmp;
spin_lock_irqsave(&dev_priv->context_switch_lock, flags);
nv_mask(dev, 0x400500, 0x00000001, 0x00000000);
start = ptimer->read(dev);
do {
idle = true;
for (tmp = nv_rd32(dev, 0x400380); tmp && idle; tmp >>= 3) {
if ((tmp & 7) == 1)
idle = false;
}
for (tmp = nv_rd32(dev, 0x400384); tmp && idle; tmp >>= 3) {
if ((tmp & 7) == 1)
idle = false;
}
for (tmp = nv_rd32(dev, 0x400388); tmp && idle; tmp >>= 3) {
if ((tmp & 7) == 1)
idle = false;
}
} while (!idle && !(timeout = ptimer->read(dev) - start > 2000000000));
if (timeout) {
NV_ERROR(dev, "PGRAPH TLB flush idle timeout fail: "
"0x%08x 0x%08x 0x%08x 0x%08x\n",
nv_rd32(dev, 0x400700), nv_rd32(dev, 0x400380),
nv_rd32(dev, 0x400384), nv_rd32(dev, 0x400388));
}
nv50_vm_flush_engine(dev, 0);
nv_mask(dev, 0x400500, 0x00000001, 0x00000001);
spin_unlock_irqrestore(&dev_priv->context_switch_lock, flags);
}
static struct nouveau_enum nv50_mp_exec_error_names[] =
{
{ 3, "STACK_UNDERFLOW" },
{ 4, "QUADON_ACTIVE" },
{ 8, "TIMEOUT" },
{ 0x10, "INVALID_OPCODE" },
{ 0x40, "BREAKPOINT" },
{}
};
static struct nouveau_bitfield nv50_graph_trap_m2mf[] = {
{ 0x00000001, "NOTIFY" },
{ 0x00000002, "IN" },
{ 0x00000004, "OUT" },
{}
};
static struct nouveau_bitfield nv50_graph_trap_vfetch[] = {
{ 0x00000001, "FAULT" },
{}
};
static struct nouveau_bitfield nv50_graph_trap_strmout[] = {
{ 0x00000001, "FAULT" },
{}
};
static struct nouveau_bitfield nv50_graph_trap_ccache[] = {
{ 0x00000001, "FAULT" },
{}
};
/* There must be a *lot* of these. Will take some time to gather them up. */
struct nouveau_enum nv50_data_error_names[] = {
{ 0x00000003, "INVALID_QUERY_OR_TEXTURE" },
{ 0x00000004, "INVALID_VALUE" },
{ 0x00000005, "INVALID_ENUM" },
{ 0x00000008, "INVALID_OBJECT" },
{ 0x00000009, "READ_ONLY_OBJECT" },
{ 0x0000000a, "SUPERVISOR_OBJECT" },
{ 0x0000000b, "INVALID_ADDRESS_ALIGNMENT" },
{ 0x0000000c, "INVALID_BITFIELD" },
{ 0x0000000d, "BEGIN_END_ACTIVE" },
{ 0x0000000e, "SEMANTIC_COLOR_BACK_OVER_LIMIT" },
{ 0x0000000f, "VIEWPORT_ID_NEEDS_GP" },
{ 0x00000010, "RT_DOUBLE_BIND" },
{ 0x00000011, "RT_TYPES_MISMATCH" },
{ 0x00000012, "RT_LINEAR_WITH_ZETA" },
{ 0x00000015, "FP_TOO_FEW_REGS" },
{ 0x00000016, "ZETA_FORMAT_CSAA_MISMATCH" },
{ 0x00000017, "RT_LINEAR_WITH_MSAA" },
{ 0x00000018, "FP_INTERPOLANT_START_OVER_LIMIT" },
{ 0x00000019, "SEMANTIC_LAYER_OVER_LIMIT" },
{ 0x0000001a, "RT_INVALID_ALIGNMENT" },
{ 0x0000001b, "SAMPLER_OVER_LIMIT" },
{ 0x0000001c, "TEXTURE_OVER_LIMIT" },
{ 0x0000001e, "GP_TOO_MANY_OUTPUTS" },
{ 0x0000001f, "RT_BPP128_WITH_MS8" },
{ 0x00000021, "Z_OUT_OF_BOUNDS" },
{ 0x00000023, "XY_OUT_OF_BOUNDS" },
{ 0x00000027, "CP_MORE_PARAMS_THAN_SHARED" },
{ 0x00000028, "CP_NO_REG_SPACE_STRIPED" },
{ 0x00000029, "CP_NO_REG_SPACE_PACKED" },
{ 0x0000002a, "CP_NOT_ENOUGH_WARPS" },
{ 0x0000002b, "CP_BLOCK_SIZE_MISMATCH" },
{ 0x0000002c, "CP_NOT_ENOUGH_LOCAL_WARPS" },
{ 0x0000002d, "CP_NOT_ENOUGH_STACK_WARPS" },
{ 0x0000002e, "CP_NO_BLOCKDIM_LATCH" },
{ 0x00000031, "ENG2D_FORMAT_MISMATCH" },
{ 0x0000003f, "PRIMITIVE_ID_NEEDS_GP" },
{ 0x00000044, "SEMANTIC_VIEWPORT_OVER_LIMIT" },
{ 0x00000045, "SEMANTIC_COLOR_FRONT_OVER_LIMIT" },
{ 0x00000046, "LAYER_ID_NEEDS_GP" },
{ 0x00000047, "SEMANTIC_CLIP_OVER_LIMIT" },
{ 0x00000048, "SEMANTIC_PTSZ_OVER_LIMIT" },
{}
};
static struct nouveau_bitfield nv50_graph_intr[] = {
{ 0x00000001, "NOTIFY" },
{ 0x00000002, "COMPUTE_QUERY" },
{ 0x00000010, "ILLEGAL_MTHD" },
{ 0x00000020, "ILLEGAL_CLASS" },
{ 0x00000040, "DOUBLE_NOTIFY" },
{ 0x00001000, "CONTEXT_SWITCH" },
{ 0x00010000, "BUFFER_NOTIFY" },
{ 0x00100000, "DATA_ERROR" },
{ 0x00200000, "TRAP" },
{ 0x01000000, "SINGLE_STEP" },
{}
};
static void
nv50_pgraph_mp_trap(struct drm_device *dev, int tpid, int display)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
uint32_t units = nv_rd32(dev, 0x1540);
uint32_t addr, mp10, status, pc, oplow, ophigh;
int i;
int mps = 0;
for (i = 0; i < 4; i++) {
if (!(units & 1 << (i+24)))
continue;
if (dev_priv->chipset < 0xa0)
addr = 0x408200 + (tpid << 12) + (i << 7);
else
addr = 0x408100 + (tpid << 11) + (i << 7);
mp10 = nv_rd32(dev, addr + 0x10);
status = nv_rd32(dev, addr + 0x14);
if (!status)
continue;
if (display) {
nv_rd32(dev, addr + 0x20);
pc = nv_rd32(dev, addr + 0x24);
oplow = nv_rd32(dev, addr + 0x70);
ophigh= nv_rd32(dev, addr + 0x74);
NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - "
"TP %d MP %d: ", tpid, i);
nouveau_enum_print(nv50_mp_exec_error_names, status);
printk(" at %06x warp %d, opcode %08x %08x\n",
pc&0xffffff, pc >> 24,
oplow, ophigh);
}
nv_wr32(dev, addr + 0x10, mp10);
nv_wr32(dev, addr + 0x14, 0);
mps++;
}
if (!mps && display)
NV_INFO(dev, "PGRAPH_TRAP_MP_EXEC - TP %d: "
"No MPs claiming errors?\n", tpid);
}
static void
nv50_pgraph_tp_trap(struct drm_device *dev, int type, uint32_t ustatus_old,
uint32_t ustatus_new, int display, const char *name)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
int tps = 0;
uint32_t units = nv_rd32(dev, 0x1540);
int i, r;
uint32_t ustatus_addr, ustatus;
for (i = 0; i < 16; i++) {
if (!(units & (1 << i)))
continue;
if (dev_priv->chipset < 0xa0)
ustatus_addr = ustatus_old + (i << 12);
else
ustatus_addr = ustatus_new + (i << 11);
ustatus = nv_rd32(dev, ustatus_addr) & 0x7fffffff;
if (!ustatus)
continue;
tps++;
switch (type) {
case 6: /* texture error... unknown for now */
nv50_fb_vm_trap(dev, display, name);
if (display) {
NV_ERROR(dev, "magic set %d:\n", i);
for (r = ustatus_addr + 4; r <= ustatus_addr + 0x10; r += 4)
NV_ERROR(dev, "\t0x%08x: 0x%08x\n", r,
nv_rd32(dev, r));
}
break;
case 7: /* MP error */
if (ustatus & 0x00010000) {
nv50_pgraph_mp_trap(dev, i, display);
ustatus &= ~0x00010000;
}
break;
case 8: /* TPDMA error */
{
uint32_t e0c = nv_rd32(dev, ustatus_addr + 4);
uint32_t e10 = nv_rd32(dev, ustatus_addr + 8);
uint32_t e14 = nv_rd32(dev, ustatus_addr + 0xc);
uint32_t e18 = nv_rd32(dev, ustatus_addr + 0x10);
uint32_t e1c = nv_rd32(dev, ustatus_addr + 0x14);
uint32_t e20 = nv_rd32(dev, ustatus_addr + 0x18);
uint32_t e24 = nv_rd32(dev, ustatus_addr + 0x1c);
nv50_fb_vm_trap(dev, display, name);
/* 2d engine destination */
if (ustatus & 0x00000010) {
if (display) {
NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - Unknown fault at address %02x%08x\n",
i, e14, e10);
NV_INFO(dev, "PGRAPH_TRAP_TPDMA_2D - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
i, e0c, e18, e1c, e20, e24);
}
ustatus &= ~0x00000010;
}
/* Render target */
if (ustatus & 0x00000040) {
if (display) {
NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - Unknown fault at address %02x%08x\n",
i, e14, e10);
NV_INFO(dev, "PGRAPH_TRAP_TPDMA_RT - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
i, e0c, e18, e1c, e20, e24);
}
ustatus &= ~0x00000040;
}
/* CUDA memory: l[], g[] or stack. */
if (ustatus & 0x00000080) {
if (display) {
if (e18 & 0x80000000) {
/* g[] read fault? */
NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global read fault at address %02x%08x\n",
i, e14, e10 | ((e18 >> 24) & 0x1f));
e18 &= ~0x1f000000;
} else if (e18 & 0xc) {
/* g[] write fault? */
NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Global write fault at address %02x%08x\n",
i, e14, e10 | ((e18 >> 7) & 0x1f));
e18 &= ~0x00000f80;
} else {
NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - Unknown CUDA fault at address %02x%08x\n",
i, e14, e10);
}
NV_INFO(dev, "PGRAPH_TRAP_TPDMA - TP %d - e0c: %08x, e18: %08x, e1c: %08x, e20: %08x, e24: %08x\n",
i, e0c, e18, e1c, e20, e24);
}
ustatus &= ~0x00000080;
}
}
break;
}
if (ustatus) {
if (display)
NV_INFO(dev, "%s - TP%d: Unhandled ustatus 0x%08x\n", name, i, ustatus);
}
nv_wr32(dev, ustatus_addr, 0xc0000000);
}
if (!tps && display)
NV_INFO(dev, "%s - No TPs claiming errors?\n", name);
}
static int
nv50_pgraph_trap_handler(struct drm_device *dev, u32 display, u64 inst, u32 chid)
{
u32 status = nv_rd32(dev, 0x400108);
u32 ustatus;
if (!status && display) {
NV_INFO(dev, "PGRAPH - TRAP: no units reporting traps?\n");
return 1;
}
/* DISPATCH: Relays commands to other units and handles NOTIFY,
* COND, QUERY. If you get a trap from it, the command is still stuck
* in DISPATCH and you need to do something about it. */
if (status & 0x001) {
ustatus = nv_rd32(dev, 0x400804) & 0x7fffffff;
if (!ustatus && display) {
NV_INFO(dev, "PGRAPH_TRAP_DISPATCH - no ustatus?\n");
}
nv_wr32(dev, 0x400500, 0x00000000);
/* Known to be triggered by screwed up NOTIFY and COND... */
if (ustatus & 0x00000001) {
u32 addr = nv_rd32(dev, 0x400808);
u32 subc = (addr & 0x00070000) >> 16;
u32 mthd = (addr & 0x00001ffc);
u32 datal = nv_rd32(dev, 0x40080c);
u32 datah = nv_rd32(dev, 0x400810);
u32 class = nv_rd32(dev, 0x400814);
u32 r848 = nv_rd32(dev, 0x400848);
NV_INFO(dev, "PGRAPH - TRAP DISPATCH_FAULT\n");
if (display && (addr & 0x80000000)) {
NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
"subc %d class 0x%04x mthd 0x%04x "
"data 0x%08x%08x "
"400808 0x%08x 400848 0x%08x\n",
chid, inst, subc, class, mthd, datah,
datal, addr, r848);
} else
if (display) {
NV_INFO(dev, "PGRAPH - no stuck command?\n");
}
nv_wr32(dev, 0x400808, 0);
nv_wr32(dev, 0x4008e8, nv_rd32(dev, 0x4008e8) & 3);
nv_wr32(dev, 0x400848, 0);
ustatus &= ~0x00000001;
}
if (ustatus & 0x00000002) {
u32 addr = nv_rd32(dev, 0x40084c);
u32 subc = (addr & 0x00070000) >> 16;
u32 mthd = (addr & 0x00001ffc);
u32 data = nv_rd32(dev, 0x40085c);
u32 class = nv_rd32(dev, 0x400814);
NV_INFO(dev, "PGRAPH - TRAP DISPATCH_QUERY\n");
if (display && (addr & 0x80000000)) {
NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) "
"subc %d class 0x%04x mthd 0x%04x "
"data 0x%08x 40084c 0x%08x\n",
chid, inst, subc, class, mthd,
data, addr);
} else
if (display) {
NV_INFO(dev, "PGRAPH - no stuck command?\n");
}
nv_wr32(dev, 0x40084c, 0);
ustatus &= ~0x00000002;
}
if (ustatus && display) {
NV_INFO(dev, "PGRAPH - TRAP_DISPATCH (unknown "
"0x%08x)\n", ustatus);
}
nv_wr32(dev, 0x400804, 0xc0000000);
nv_wr32(dev, 0x400108, 0x001);
status &= ~0x001;
if (!status)
return 0;
}
/* M2MF: Memory to memory copy engine. */
if (status & 0x002) {
u32 ustatus = nv_rd32(dev, 0x406800) & 0x7fffffff;
if (display) {
NV_INFO(dev, "PGRAPH - TRAP_M2MF");
nouveau_bitfield_print(nv50_graph_trap_m2mf, ustatus);
printk("\n");
NV_INFO(dev, "PGRAPH - TRAP_M2MF %08x %08x %08x %08x\n",
nv_rd32(dev, 0x406804), nv_rd32(dev, 0x406808),
nv_rd32(dev, 0x40680c), nv_rd32(dev, 0x406810));
}
/* No sane way found yet -- just reset the bugger. */
nv_wr32(dev, 0x400040, 2);
nv_wr32(dev, 0x400040, 0);
nv_wr32(dev, 0x406800, 0xc0000000);
nv_wr32(dev, 0x400108, 0x002);
status &= ~0x002;
}
/* VFETCH: Fetches data from vertex buffers. */
if (status & 0x004) {
u32 ustatus = nv_rd32(dev, 0x400c04) & 0x7fffffff;
if (display) {
NV_INFO(dev, "PGRAPH - TRAP_VFETCH");
nouveau_bitfield_print(nv50_graph_trap_vfetch, ustatus);
printk("\n");
NV_INFO(dev, "PGRAPH - TRAP_VFETCH %08x %08x %08x %08x\n",
nv_rd32(dev, 0x400c00), nv_rd32(dev, 0x400c08),
nv_rd32(dev, 0x400c0c), nv_rd32(dev, 0x400c10));
}
nv_wr32(dev, 0x400c04, 0xc0000000);
nv_wr32(dev, 0x400108, 0x004);
status &= ~0x004;
}
/* STRMOUT: DirectX streamout / OpenGL transform feedback. */
if (status & 0x008) {
ustatus = nv_rd32(dev, 0x401800) & 0x7fffffff;
if (display) {
NV_INFO(dev, "PGRAPH - TRAP_STRMOUT");
nouveau_bitfield_print(nv50_graph_trap_strmout, ustatus);
printk("\n");
NV_INFO(dev, "PGRAPH - TRAP_STRMOUT %08x %08x %08x %08x\n",
nv_rd32(dev, 0x401804), nv_rd32(dev, 0x401808),
nv_rd32(dev, 0x40180c), nv_rd32(dev, 0x401810));
}
/* No sane way found yet -- just reset the bugger. */
nv_wr32(dev, 0x400040, 0x80);
nv_wr32(dev, 0x400040, 0);
nv_wr32(dev, 0x401800, 0xc0000000);
nv_wr32(dev, 0x400108, 0x008);
status &= ~0x008;
}
/* CCACHE: Handles code and c[] caches and fills them. */
if (status & 0x010) {
ustatus = nv_rd32(dev, 0x405018) & 0x7fffffff;
if (display) {
NV_INFO(dev, "PGRAPH - TRAP_CCACHE");
nouveau_bitfield_print(nv50_graph_trap_ccache, ustatus);
printk("\n");
NV_INFO(dev, "PGRAPH - TRAP_CCACHE %08x %08x %08x %08x"
" %08x %08x %08x\n",
nv_rd32(dev, 0x405800), nv_rd32(dev, 0x405804),
nv_rd32(dev, 0x405808), nv_rd32(dev, 0x40580c),
nv_rd32(dev, 0x405810), nv_rd32(dev, 0x405814),
nv_rd32(dev, 0x40581c));
}
nv_wr32(dev, 0x405018, 0xc0000000);
nv_wr32(dev, 0x400108, 0x010);
status &= ~0x010;
}
/* Unknown, not seen yet... 0x402000 is the only trap status reg
* remaining, so try to handle it anyway. Perhaps related to that
* unknown DMA slot on tesla? */
if (status & 0x20) {
ustatus = nv_rd32(dev, 0x402000) & 0x7fffffff;
if (display)
NV_INFO(dev, "PGRAPH - TRAP_UNKC04 0x%08x\n", ustatus);
nv_wr32(dev, 0x402000, 0xc0000000);
/* no status modifiction on purpose */
}
/* TEXTURE: CUDA texturing units */
if (status & 0x040) {
nv50_pgraph_tp_trap(dev, 6, 0x408900, 0x408600, display,
"PGRAPH - TRAP_TEXTURE");
nv_wr32(dev, 0x400108, 0x040);
status &= ~0x040;
}
/* MP: CUDA execution engines. */
if (status & 0x080) {
nv50_pgraph_tp_trap(dev, 7, 0x408314, 0x40831c, display,
"PGRAPH - TRAP_MP");
nv_wr32(dev, 0x400108, 0x080);
status &= ~0x080;
}
/* TPDMA: Handles TP-initiated uncached memory accesses:
* l[], g[], stack, 2d surfaces, render targets. */
if (status & 0x100) {
nv50_pgraph_tp_trap(dev, 8, 0x408e08, 0x408708, display,
"PGRAPH - TRAP_TPDMA");
nv_wr32(dev, 0x400108, 0x100);
status &= ~0x100;
}
if (status) {
if (display)
NV_INFO(dev, "PGRAPH - TRAP: unknown 0x%08x\n", status);
nv_wr32(dev, 0x400108, status);
}
return 1;
}
static int
nv50_graph_isr_chid(struct drm_device *dev, u64 inst)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
struct nouveau_channel *chan;
unsigned long flags;
int i;
spin_lock_irqsave(&dev_priv->channels.lock, flags);
for (i = 0; i < dev_priv->engine.fifo.channels; i++) {
chan = dev_priv->channels.ptr[i];
if (!chan || !chan->ramin)
continue;
if (inst == chan->ramin->vinst)
break;
}
spin_unlock_irqrestore(&dev_priv->channels.lock, flags);
return i;
}
static void
nv50_graph_isr(struct drm_device *dev)
{
u32 stat;
while ((stat = nv_rd32(dev, 0x400100))) {
u64 inst = (u64)(nv_rd32(dev, 0x40032c) & 0x0fffffff) << 12;
u32 chid = nv50_graph_isr_chid(dev, inst);
u32 addr = nv_rd32(dev, NV04_PGRAPH_TRAPPED_ADDR);
u32 subc = (addr & 0x00070000) >> 16;
u32 mthd = (addr & 0x00001ffc);
u32 data = nv_rd32(dev, NV04_PGRAPH_TRAPPED_DATA);
u32 class = nv_rd32(dev, 0x400814);
u32 show = stat;
if (stat & 0x00000010) {
if (!nouveau_gpuobj_mthd_call2(dev, chid, class,
mthd, data))
show &= ~0x00000010;
}
if (stat & 0x00001000) {
nv_wr32(dev, 0x400500, 0x00000000);
nv_wr32(dev, 0x400100, 0x00001000);
nv_mask(dev, 0x40013c, 0x00001000, 0x00000000);
nv50_graph_context_switch(dev);
stat &= ~0x00001000;
show &= ~0x00001000;
}
show = (show && nouveau_ratelimit()) ? show : 0;
if (show & 0x00100000) {
u32 ecode = nv_rd32(dev, 0x400110);
NV_INFO(dev, "PGRAPH - DATA_ERROR ");
nouveau_enum_print(nv50_data_error_names, ecode);
printk("\n");
}
if (stat & 0x00200000) {
if (!nv50_pgraph_trap_handler(dev, show, inst, chid))
show &= ~0x00200000;
}
nv_wr32(dev, 0x400100, stat);
nv_wr32(dev, 0x400500, 0x00010001);
if (show) {
NV_INFO(dev, "PGRAPH -");
nouveau_bitfield_print(nv50_graph_intr, show);
printk("\n");
NV_INFO(dev, "PGRAPH - ch %d (0x%010llx) subc %d "
"class 0x%04x mthd 0x%04x data 0x%08x\n",
chid, inst, subc, class, mthd, data);
}
}
if (nv_rd32(dev, 0x400824) & (1 << 31))
nv_wr32(dev, 0x400824, nv_rd32(dev, 0x400824) & ~(1 << 31));
}
