/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Jerome Glisse.
*
* 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 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 HOLDER(S) OR AUTHOR(S) 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.
*
* Authors: Dave Airlie
* Alex Deucher
* Jerome Glisse
*/
#include <linux/seq_file.h>
#include "drmP.h"
#include "rv515d.h"
#include "radeon.h"
#include "atom.h"
#include "rv515_reg_safe.h"
/* This files gather functions specifics to: rv515 */
int rv515_debugfs_pipes_info_init(struct radeon_device *rdev);
int rv515_debugfs_ga_info_init(struct radeon_device *rdev);
void rv515_gpu_init(struct radeon_device *rdev);
int rv515_mc_wait_for_idle(struct radeon_device *rdev);
void rv515_debugfs(struct radeon_device *rdev)
{
if (r100_debugfs_rbbm_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for RBBM !\n");
}
if (rv515_debugfs_pipes_info_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for pipes !\n");
}
if (rv515_debugfs_ga_info_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for pipes !\n");
}
}
void rv515_ring_start(struct radeon_device *rdev)
{
int r;
r = radeon_ring_lock(rdev, 64);
if (r) {
return;
}
radeon_ring_write(rdev, PACKET0(ISYNC_CNTL, 0));
radeon_ring_write(rdev,
ISYNC_ANY2D_IDLE3D |
ISYNC_ANY3D_IDLE2D |
ISYNC_WAIT_IDLEGUI |
ISYNC_CPSCRATCH_IDLEGUI);
radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
radeon_ring_write(rdev, PACKET0(0x170C, 0));
radeon_ring_write(rdev, 1 << 31);
radeon_ring_write(rdev, PACKET0(GB_SELECT, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(GB_ENABLE, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(0x42C8, 0));
radeon_ring_write(rdev, (1 << rdev->num_gb_pipes) - 1);
radeon_ring_write(rdev, PACKET0(VAP_INDEX_OFFSET, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
radeon_ring_write(rdev, PACKET0(WAIT_UNTIL, 0));
radeon_ring_write(rdev, WAIT_2D_IDLECLEAN | WAIT_3D_IDLECLEAN);
radeon_ring_write(rdev, PACKET0(GB_AA_CONFIG, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(RB3D_DSTCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, RB3D_DC_FLUSH | RB3D_DC_FREE);
radeon_ring_write(rdev, PACKET0(ZB_ZCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, ZC_FLUSH | ZC_FREE);
radeon_ring_write(rdev, PACKET0(GB_MSPOS0, 0));
radeon_ring_write(rdev,
((6 << MS_X0_SHIFT) |
(6 << MS_Y0_SHIFT) |
(6 << MS_X1_SHIFT) |
(6 << MS_Y1_SHIFT) |
(6 << MS_X2_SHIFT) |
(6 << MS_Y2_SHIFT) |
(6 << MSBD0_Y_SHIFT) |
(6 << MSBD0_X_SHIFT)));
radeon_ring_write(rdev, PACKET0(GB_MSPOS1, 0));
radeon_ring_write(rdev,
((6 << MS_X3_SHIFT) |
(6 << MS_Y3_SHIFT) |
(6 << MS_X4_SHIFT) |
(6 << MS_Y4_SHIFT) |
(6 << MS_X5_SHIFT) |
(6 << MS_Y5_SHIFT) |
(6 << MSBD1_SHIFT)));
radeon_ring_write(rdev, PACKET0(GA_ENHANCE, 0));
radeon_ring_write(rdev, GA_DEADLOCK_CNTL | GA_FASTSYNC_CNTL);
radeon_ring_write(rdev, PACKET0(GA_POLY_MODE, 0));
radeon_ring_write(rdev, FRONT_PTYPE_TRIANGE | BACK_PTYPE_TRIANGE);
radeon_ring_write(rdev, PACKET0(GA_ROUND_MODE, 0));
radeon_ring_write(rdev, GEOMETRY_ROUND_NEAREST | COLOR_ROUND_NEAREST);
radeon_ring_write(rdev, PACKET0(0x20C8, 0));
radeon_ring_write(rdev, 0);
radeon_ring_unlock_commit(rdev);
}
int rv515_mc_wait_for_idle(struct radeon_device *rdev)
{
unsigned i;
uint32_t tmp;
for (i = 0; i < rdev->usec_timeout; i++) {
/* read MC_STATUS */
tmp = RREG32_MC(MC_STATUS);
if (tmp & MC_STATUS_IDLE) {
return 0;
}
DRM_UDELAY(1);
}
return -1;
}
void rv515_vga_render_disable(struct radeon_device *rdev)
{
WREG32(R_000300_VGA_RENDER_CONTROL,
RREG32(R_000300_VGA_RENDER_CONTROL) & C_000300_VGA_VSTATUS_CNTL);
}
void rv515_gpu_init(struct radeon_device *rdev)
{
unsigned pipe_select_current, gb_pipe_select, tmp;
r100_hdp_reset(rdev);
r100_rb2d_reset(rdev);
if (r100_gui_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait GUI idle while "
"reseting GPU. Bad things might happen.\n");
}
rv515_vga_render_disable(rdev);
r420_pipes_init(rdev);
gb_pipe_select = RREG32(0x402C);
tmp = RREG32(0x170C);
pipe_select_current = (tmp >> 2) & 3;
tmp = (1 << pipe_select_current) |
(((gb_pipe_select >> 8) & 0xF) << 4);
WREG32_PLL(0x000D, tmp);
if (r100_gui_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait GUI idle while "
"reseting GPU. Bad things might happen.\n");
}
if (rv515_mc_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait MC idle while "
"programming pipes. Bad things might happen.\n");
}
}
int rv515_ga_reset(struct radeon_device *rdev)
{
uint32_t tmp;
bool reinit_cp;
int i;
reinit_cp = rdev->cp.ready;
rdev->cp.ready = false;
for (i = 0; i < rdev->usec_timeout; i++) {
WREG32(CP_CSQ_MODE, 0);
WREG32(CP_CSQ_CNTL, 0);
WREG32(RBBM_SOFT_RESET, 0x32005);
(void)RREG32(RBBM_SOFT_RESET);
udelay(200);
WREG32(RBBM_SOFT_RESET, 0);
/* Wait to prevent race in RBBM_STATUS */
mdelay(1);
tmp = RREG32(RBBM_STATUS);
if (tmp & ((1 << 20) | (1 << 26))) {
DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)\n", tmp);
/* GA still busy soft reset it */
WREG32(0x429C, 0x200);
WREG32(VAP_PVS_STATE_FLUSH_REG, 0);
WREG32(0x43E0, 0);
WREG32(0x43E4, 0);
WREG32(0x24AC, 0);
}
/* Wait to prevent race in RBBM_STATUS */
mdelay(1);
tmp = RREG32(RBBM_STATUS);
if (!(tmp & ((1 << 20) | (1 << 26)))) {
break;
}
}
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(RBBM_STATUS);
if (!(tmp & ((1 << 20) | (1 << 26)))) {
DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n",
tmp);
DRM_INFO("GA_IDLE=0x%08X\n", RREG32(0x425C));
DRM_INFO("RB3D_RESET_STATUS=0x%08X\n", RREG32(0x46f0));
DRM_INFO("ISYNC_CNTL=0x%08X\n", RREG32(0x1724));
if (reinit_cp) {
return r100_cp_init(rdev, rdev->cp.ring_size);
}
return 0;
}
DRM_UDELAY(1);
}
tmp = RREG32(RBBM_STATUS);
DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp);
return -1;
}
int rv515_gpu_reset(struct radeon_device *rdev)
{
uint32_t status;
/* reset order likely matter */
status = RREG32(RBBM_STATUS);
/* reset HDP */
r100_hdp_reset(rdev);
/* reset rb2d */
if (status & ((1 << 17) | (1 << 18) | (1 << 27))) {
r100_rb2d_reset(rdev);
}
/* reset GA */
if (status & ((1 << 20) | (1 << 26))) {
rv515_ga_reset(rdev);
}
/* reset CP */
status = RREG32(RBBM_STATUS);
if (status & (1 << 16)) {
r100_cp_reset(rdev);
}
/* Check if GPU is idle */
status = RREG32(RBBM_STATUS);
if (status & (1 << 31)) {
DRM_ERROR("Failed to reset GPU (RBBM_STATUS=0x%08X)\n", status);
return -1;
}
DRM_INFO("GPU reset succeed (RBBM_STATUS=0x%08X)\n", status);
return 0;
}
static void rv515_vram_get_type(struct radeon_device *rdev)
{
uint32_t tmp;
rdev->mc.vram_width = 128;
rdev->mc.vram_is_ddr = true;
tmp = RREG32_MC(RV515_MC_CNTL) & MEM_NUM_CHANNELS_MASK;
switch (tmp) {
case 0:
rdev->mc.vram_width = 64;
break;
case 1:
rdev->mc.vram_width = 128;
break;
default:
rdev->mc.vram_width = 128;
break;
}
}
void rv515_vram_info(struct radeon_device *rdev)
{
fixed20_12 a;
rv515_vram_get_type(rdev);
r100_vram_init_sizes(rdev);
/* FIXME: we should enforce default clock in case GPU is not in
* default setup
*/
a.full = rfixed_const(100);
rdev->pm.sclk.full = rfixed_const(rdev->clock.default_sclk);
rdev->pm.sclk.full = rfixed_div(rdev->pm.sclk, a);
}
uint32_t rv515_mc_rreg(struct radeon_device *rdev, uint32_t reg)
{
uint32_t r;
WREG32(MC_IND_INDEX, 0x7f0000 | (reg & 0xffff));
r = RREG32(MC_IND_DATA);
WREG32(MC_IND_INDEX, 0);
return r;
}
void rv515_mc_wreg(struct radeon_device *rdev, uint32_t reg, uint32_t v)
{
WREG32(MC_IND_INDEX, 0xff0000 | ((reg) & 0xffff));
WREG32(MC_IND_DATA, (v));
WREG32(MC_IND_INDEX, 0);
}
#if defined(CONFIG_DEBUG_FS)
static int rv515_debugfs_pipes_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t tmp;
tmp = RREG32(GB_PIPE_SELECT);
seq_printf(m, "GB_PIPE_SELECT 0x%08x\n", tmp);
tmp = RREG32(SU_REG_DEST);
seq_printf(m, "SU_REG_DEST 0x%08x\n", tmp);
tmp = RREG32(GB_TILE_CONFIG);
seq_printf(m, "GB_TILE_CONFIG 0x%08x\n", tmp);
tmp = RREG32(DST_PIPE_CONFIG);
seq_printf(m, "DST_PIPE_CONFIG 0x%08x\n", tmp);
return 0;
}
static int rv515_debugfs_ga_info(struct seq_file *m, void *data)
{
struct drm_info_node *node = (struct drm_info_node *) m->private;
struct drm_device *dev = node->minor->dev;
struct radeon_device *rdev = dev->dev_private;
uint32_t tmp;
tmp = RREG32(0x2140);
seq_printf(m, "VAP_CNTL_STATUS 0x%08x\n", tmp);
radeon_gpu_reset(rdev);
tmp = RREG32(0x425C);
seq_printf(m, "GA_IDLE 0x%08x\n", tmp);
return 0;
}
static struct drm_info_list rv515_pipes_info_list[] = {
{"rv515_pipes_info", rv515_debugfs_pipes_info, 0, NULL},
};
static struct drm_info_list rv515_ga_info_list[] = {
{"rv515_ga_info", rv515_debugfs_ga_info, 0, NULL},
};
#endif
int rv515_debugfs_pipes_info_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, rv515_pipes_info_list, 1);
#else
return 0;
#endif
}
int rv515_debugfs_ga_info_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, rv515_ga_info_list, 1);
#else
return 0;
#endif
}
void rv515_mc_stop(struct radeon_device *rdev, struct rv515_mc_save *save)
{
save->d1vga_control = RREG32(R_000330_D1VGA_CONTROL);
save->d2vga_control = RREG32(R_000338_D2VGA_CONTROL);
save->vga_render_control = RREG32(R_000300_VGA_RENDER_CONTROL);
save->vga_hdp_control = RREG32(R_000328_VGA_HDP_CONTROL);
save->d1crtc_control = RREG32(R_006080_D1CRTC_CONTROL);
save->d2crtc_control = RREG32(R_006880_D2CRTC_CONTROL);
/* Stop all video */
WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
WREG32(R_000300_VGA_RENDER_CONTROL, 0);
WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
WREG32(R_006080_D1CRTC_CONTROL, 0);
WREG32(R_006880_D2CRTC_CONTROL, 0);
WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
WREG32(R_000330_D1VGA_CONTROL, 0);
WREG32(R_000338_D2VGA_CONTROL, 0);
}
void rv515_mc_resume(struct radeon_device *rdev, struct rv515_mc_save *save)
{
WREG32(R_006110_D1GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
WREG32(R_006118_D1GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
WREG32(R_006910_D2GRPH_PRIMARY_SURFACE_ADDRESS, rdev->mc.vram_start);
WREG32(R_006918_D2GRPH_SECONDARY_SURFACE_ADDRESS, rdev->mc.vram_start);
WREG32(R_000310_VGA_MEMORY_BASE_ADDRESS, rdev->mc.vram_start);
/* Unlock host access */
WREG32(R_000328_VGA_HDP_CONTROL, save->vga_hdp_control);
mdelay(1);
/* Restore video state */
WREG32(R_000330_D1VGA_CONTROL, save->d1vga_control);
WREG32(R_000338_D2VGA_CONTROL, save->d2vga_control);
WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 1);
WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 1);
WREG32(R_006080_D1CRTC_CONTROL, save->d1crtc_control);
WREG32(R_006880_D2CRTC_CONTROL, save->d2crtc_control);
WREG32(R_0060E8_D1CRTC_UPDATE_LOCK, 0);
WREG32(R_0068E8_D2CRTC_UPDATE_LOCK, 0);
WREG32(R_000300_VGA_RENDER_CONTROL, save->vga_render_control);
}
void rv515_mc_program(struct radeon_device *rdev)
{
struct rv515_mc_save save;
/* Stops all mc clients */
rv515_mc_stop(rdev, &save);
/* Wait for mc idle */
if (rv515_mc_wait_for_idle(rdev))
dev_warn(rdev->dev, "Wait MC idle timeout before updating MC.\n");
/* Write VRAM size in case we are limiting it */
WREG32(R_0000F8_CONFIG_MEMSIZE, rdev->mc.real_vram_size);
/* Program MC, should be a 32bits limited address space */
WREG32_MC(R_000001_MC_FB_LOCATION,
S_000001_MC_FB_START(rdev->mc.vram_start >> 16) |
S_000001_MC_FB_TOP(rdev->mc.vram_end >> 16));
WREG32(R_000134_HDP_FB_LOCATION,
S_000134_HDP_FB_START(rdev->mc.vram_start >> 16));
if (rdev->flags & RADEON_IS_AGP) {
WREG32_MC(R_000002_MC_AGP_LOCATION,
S_000002_MC_AGP_START(rdev->mc.gtt_start >> 16) |
S_000002_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
WREG32_MC(R_000003_MC_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
WREG32_MC(R_000004_MC_AGP_BASE_2,
S_000004_AGP_BASE_ADDR_2(upper_32_bits(rdev->mc.agp_base)));
} else {
WREG32_MC(R_000002_MC_AGP_LOCATION, 0xFFFFFFFF);
WREG32_MC(R_000003_MC_AGP_BASE, 0);
WREG32_MC(R_000004_MC_AGP_BASE_2, 0);
}
rv515_mc_resume(rdev, &save);
}
void rv515_clock_startup(struct radeon_device *rdev)
{
if (radeon_dynclks != -1 && radeon_dynclks)
radeon_atom_set_clock_gating(rdev, 1);
/* We need to force on some of the block */
WREG32_PLL(R_00000F_CP_DYN_CNTL,
RREG32_PLL(R_00000F_CP_DYN_CNTL) | S_00000F_CP_FORCEON(1));
WREG32_PLL(R_000011_E2_DYN_CNTL,
RREG32_PLL(R_000011_E2_DYN_CNTL) | S_000011_E2_FORCEON(1));
WREG32_PLL(R_000013_IDCT_DYN_CNTL,
RREG32_PLL(R_000013_IDCT_DYN_CNTL) | S_000013_IDCT_FORCEON(1));
}
static int rv515_startup(struct radeon_device *rdev)
{
int r;
rv515_mc_program(rdev);
/* Resume clock */
rv515_clock_startup(rdev);
/* Initialize GPU configuration (# pipes, ...) */
rv515_gpu_init(rdev);
/* Initialize GART (initialize after TTM so we can allocate
* memory through TTM but finalize after TTM) */
if (rdev->flags & RADEON_IS_PCIE) {
r = rv370_pcie_gart_enable(rdev);
if (r)
return r;
}
/* Enable IRQ */
rs600_irq_set(rdev);
rdev->config.r300.hdp_cntl = RREG32(RADEON_HOST_PATH_CNTL);
/* 1M ring buffer */
r = r100_cp_init(rdev, 1024 * 1024);
if (r) {
dev_err(rdev->dev, "failled initializing CP (%d).\n", r);
return r;
}
r = r100_wb_init(rdev);
if (r)
dev_err(rdev->dev, "failled initializing WB (%d).\n", r);
r = r100_ib_init(rdev);
if (r) {
dev_err(rdev->dev, "failled initializing IB (%d).\n", r);
return r;
}
return 0;
}
int rv515_resume(struct radeon_device *rdev)
{
/* Make sur GART are not working */
if (rdev->flags & RADEON_IS_PCIE)
rv370_pcie_gart_disable(rdev);
/* Resume clock before doing reset */
rv515_clock_startup(rdev);
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_gpu_reset(rdev)) {
dev_warn(rdev->dev, "GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
RREG32(R_000E40_RBBM_STATUS),
RREG32(R_0007C0_CP_STAT));
}
/* post */
atom_asic_init(rdev->mode_info.atom_context);
/* Resume clock after posting */
rv515_clock_startup(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
return rv515_startup(rdev);
}
int rv515_suspend(struct radeon_device *rdev)
{
r100_cp_disable(rdev);
r100_wb_disable(rdev);
rs600_irq_disable(rdev);
if (rdev->flags & RADEON_IS_PCIE)
rv370_pcie_gart_disable(rdev);
return 0;
}
void rv515_set_safe_registers(struct radeon_device *rdev)
{
rdev->config.r300.reg_safe_bm = rv515_reg_safe_bm;
rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(rv515_reg_safe_bm);
}
void rv515_fini(struct radeon_device *rdev)
{
rv515_suspend(rdev);
r100_cp_fini(rdev);
r100_wb_fini(rdev);
r100_ib_fini(rdev);
radeon_gem_fini(rdev);
rv370_pcie_gart_fini(rdev);
radeon_agp_fini(rdev);
radeon_irq_kms_fini(rdev);
radeon_fence_driver_fini(rdev);
radeon_bo_fini(rdev);
radeon_atombios_fini(rdev);
kfree(rdev->bios);
rdev->bios = NULL;
}
int rv515_init(struct radeon_device *rdev)
{
int r;
/* Initialize scratch registers */
radeon_scratch_init(rdev);
/* Initialize surface registers */
radeon_surface_init(rdev);
/* TODO: disable VGA need to use VGA request */
/* BIOS*/
if (!radeon_get_bios(rdev)) {
if (ASIC_IS_AVIVO(rdev))
return -EINVAL;
}
if (rdev->is_atom_bios) {
r = radeon_atombios_init(rdev);
if (r)
return r;
} else {
dev_err(rdev->dev, "Expecting atombios for RV515 GPU\n");
return -EINVAL;
}
/* Reset gpu before posting otherwise ATOM will enter infinite loop */
if (radeon_gpu_reset(rdev)) {
dev_warn(rdev->dev,
"GPU reset failed ! (0xE40=0x%08X, 0x7C0=0x%08X)\n",
RREG32(R_000E40_RBBM_STATUS),
RREG32(R_0007C0_CP_STAT));
}
/* check if cards are posted or not */
if (radeon_boot_test_post_card(rdev) == false)
return -EINVAL;
/* Initialize clocks */
radeon_get_clock_info(rdev->ddev);
/* Initialize power management */
radeon_pm_init(rdev);
/* Get vram informations */
rv515_vram_info(rdev);
/* Initialize memory controller (also test AGP) */
r = r420_mc_init(rdev);
if (r)
return r;
rv515_debugfs(rdev);
/* Fence driver */
r = radeon_fence_driver_init(rdev);
if (r)
return r;
r = radeon_irq_kms_init(rdev);
if (r)
return r;
/* Memory manager */
r = radeon_bo_init(rdev);
if (r)
return r;
r = rv370_pcie_gart_init(rdev);
if (r)
return r;
rv515_set_safe_registers(rdev);
rdev->accel_working = true;
r = rv515_startup(rdev);
if (r) {
/* Somethings want wront with the accel init stop accel */
dev_err(rdev->dev, "Disabling GPU acceleration\n");
rv515_suspend(rdev);
r100_cp_fini(rdev);
r100_wb_fini(rdev);
r100_ib_fini(rdev);
rv370_pcie_gart_fini(rdev);
radeon_agp_fini(rdev);
radeon_irq_kms_fini(rdev);
rdev->accel_working = false;
}
return 0;
}
void atom_rv515_force_tv_scaler(struct radeon_device *rdev, struct radeon_crtc *crtc)
{
int index_reg = 0x6578 + crtc->crtc_offset;
int data_reg = 0x657c + crtc->crtc_offset;
WREG32(0x659C + crtc->crtc_offset, 0x0);
WREG32(0x6594 + crtc->crtc_offset, 0x705);
WREG32(0x65A4 + crtc->crtc_offset, 0x10001);
WREG32(0x65D8 + crtc->crtc_offset, 0x0);
WREG32(0x65B0 + crtc->crtc_offset, 0x0);
WREG32(0x65C0 + crtc->crtc_offset, 0x0);
WREG32(0x65D4 + crtc->crtc_offset, 0x0);
WREG32(index_reg, 0x0);
WREG32(data_reg, 0x841880A8);
WREG32(index_reg, 0x1);
WREG32(data_reg, 0x84208680);
WREG32(index_reg, 0x2);
WREG32(data_reg, 0xBFF880B0);
WREG32(index_reg, 0x100);
WREG32(data_reg, 0x83D88088);
WREG32(index_reg, 0x101);
WREG32(data_reg, 0x84608680);
WREG32(index_reg, 0x102);
WREG32(data_reg, 0xBFF080D0);
WREG32(index_reg, 0x200);
WREG32(data_reg, 0x83988068);
WREG32(index_reg, 0x201);
WREG32(data_reg, 0x84A08680);
WREG32(index_reg, 0x202);
WREG32(data_reg, 0xBFF080F8);
WREG32(index_reg, 0x300);
WREG32(data_reg, 0x83588058);
WREG32(index_reg, 0x301);
WREG32(data_reg, 0x84E08660);
WREG32(index_reg, 0x302);
WREG32(data_reg, 0xBFF88120);
WREG32(index_reg, 0x400);
WREG32(data_reg, 0x83188040);
WREG32(index_reg, 0x401);
WREG32(data_reg, 0x85008660);
WREG32(index_reg, 0x402);
WREG32(data_reg, 0xBFF88150);
WREG32(index_reg, 0x500);
WREG32(data_reg, 0x82D88030);
WREG32(index_reg, 0x501);
WREG32(data_reg, 0x85408640);
WREG32(index_reg, 0x502);
WREG32(data_reg, 0xBFF88180);
WREG32(index_reg, 0x600);
WREG32(data_reg, 0x82A08018);
WREG32(index_reg, 0x601);
WREG32(data_reg, 0x85808620);
WREG32(index_reg, 0x602);
WREG32(data_reg, 0xBFF081B8);
WREG32(index_reg, 0x700);
WREG32(data_reg, 0x82608010);
WREG32(index_reg, 0x701);
WREG32(data_reg, 0x85A08600);
WREG32(index_reg, 0x702);
WREG32(data_reg, 0x800081F0);
WREG32(index_reg, 0x800);
WREG32(data_reg, 0x8228BFF8);
WREG32(index_reg, 0x801);
WREG32(data_reg, 0x85E085E0);
WREG32(index_reg, 0x802);
WREG32(data_reg, 0xBFF88228);
WREG32(index_reg, 0x10000);
WREG32(data_reg, 0x82A8BF00);
WREG32(index_reg, 0x10001);
WREG32(data_reg, 0x82A08CC0);
WREG32(index_reg, 0x10002);
WREG32(data_reg, 0x8008BEF8);
WREG32(index_reg, 0x10100);
WREG32(data_reg, 0x81F0BF28);
WREG32(index_reg, 0x10101);
WREG32(data_reg, 0x83608CA0);
WREG32(index_reg, 0x10102);
WREG32(data_reg, 0x8018BED0);
WREG32(index_reg, 0x10200);
WREG32(data_reg, 0x8148BF38);
WREG32(index_reg, 0x10201);
WREG32(data_reg, 0x84408C80);
WREG32(index_reg, 0x10202);
WREG32(data_reg, 0x8008BEB8);
WREG32(index_reg, 0x10300);
WREG32(data_reg, 0x80B0BF78);
WREG32(index_reg, 0x10301);
WREG32(data_reg, 0x85008C20);
WREG32(index_reg, 0x10302);
WREG32(data_reg, 0x8020BEA0);
WREG32(index_reg, 0x10400);
WREG32(data_reg, 0x8028BF90);
WREG32(index_reg, 0x10401);
WREG32(data_reg, 0x85E08BC0);
WREG32(index_reg, 0x10402);
WREG32(data_reg, 0x8018BE90);
WREG32(index_reg, 0x10500);
WREG32(data_reg, 0xBFB8BFB0);
WREG32(index_reg, 0x10501);
WREG32(data_reg, 0x86C08B40);
WREG32(index_reg, 0x10502);
WREG32(data_reg, 0x8010BE90);
WREG32(index_reg, 0x10600);
WREG32(data_reg, 0xBF58BFC8);
WREG32(index_reg, 0x10601);
WREG32(data_reg, 0x87A08AA0);
WREG32(index_reg, 0x10602);
WREG32(data_reg, 0x8010BE98);
WREG32(index_reg, 0x10700);
WREG32(data_reg, 0xBF10BFF0);
WREG32(index_reg, 0x10701);
WREG32(data_reg, 0x886089E0);
WREG32(index_reg, 0x10702);
WREG32(data_reg, 0x8018BEB0);
WREG32(index_reg, 0x10800);
WREG32(data_reg, 0xBED8BFE8);
WREG32(index_reg, 0x10801);
WREG32(data_reg, 0x89408940);
WREG32(index_reg, 0x10802);
WREG32(data_reg, 0xBFE8BED8);
WREG32(index_reg, 0x20000);
WREG32(data_reg, 0x80008000);
WREG32(index_reg, 0x20001);
WREG32(data_reg, 0x90008000);
WREG32(index_reg, 0x20002);
WREG32(data_reg, 0x80008000);
WREG32(index_reg, 0x20003);
WREG32(data_reg, 0x80008000);
WREG32(index_reg, 0x20100);
WREG32(data_reg, 0x80108000);
WREG32(index_reg, 0x20101);
WREG32(data_reg, 0x8FE0BF70);
WREG32(index_reg, 0x20102);
WREG32(data_reg, 0xBFE880C0);
WREG32(index_reg, 0x20103);
WREG32(data_reg, 0x80008000);
WREG32(index_reg, 0x20200);
WREG32(data_reg, 0x8018BFF8);
WREG32(index_reg, 0x20201);
WREG32(data_reg, 0x8F80BF08);
WREG32(index_reg, 0x20202);
WREG32(data_reg, 0xBFD081A0);
WREG32(index_reg, 0x20203);
WREG32(data_reg, 0xBFF88000);
WREG32(index_reg, 0x20300);
WREG32(data_reg, 0x80188000);
WREG32(index_reg, 0x20301);
WREG32(data_reg, 0x8EE0BEC0);
WREG32(index_reg, 0x20302);
WREG32(data_reg, 0xBFB082A0);
WREG32(index_reg, 0x20303);
WREG32(data_reg, 0x80008000);
WREG32(index_reg, 0x20400);
WREG32(data_reg, 0x80188000);
WREG32(index_reg, 0x20401);
WREG32(data_reg, 0x8E00BEA0);
WREG32(index_reg, 0x20402);
WREG32(data_reg, 0xBF8883C0);
WREG32(index_reg, 0x20403);
WREG32(data_reg, 0x80008000);
WREG32(index_reg, 0x20500);
WREG32(data_reg, 0x80188000);
WREG32(index_reg, 0x20501);
WREG32(data_reg, 0x8D00BE90);
WREG32(index_reg, 0x20502);
WREG32(data_reg, 0xBF588500);
WREG32(index_reg, 0x20503);
WREG32(data_reg, 0x80008008);
WREG32(index_reg, 0x20600);
WREG32(data_reg, 0x80188000);
WREG32(index_reg, 0x20601);
WREG32(data_reg, 0x8BC0BE98);
WREG32(index_reg, 0x20602);
WREG32(data_reg, 0xBF308660);
WREG32(index_reg, 0x20603);
WREG32(data_reg, 0x80008008);
WREG32(index_reg, 0x20700);
WREG32(data_reg, 0x80108000);
WREG32(index_reg, 0x20701);
WREG32(data_reg, 0x8A80BEB0);
WREG32(index_reg, 0x20702);
WREG32(data_reg, 0xBF0087C0);
WREG32(index_reg, 0x20703);
WREG32(data_reg, 0x80008008);
WREG32(index_reg, 0x20800);
WREG32(data_reg, 0x80108000);
WREG32(index_reg, 0x20801);
WREG32(data_reg, 0x8920BED0);
WREG32(index_reg, 0x20802);
WREG32(data_reg, 0xBED08920);
WREG32(index_reg, 0x20803);
WREG32(data_reg, 0x80008010);
WREG32(index_reg, 0x30000);
WREG32(data_reg, 0x90008000);
WREG32(index_reg, 0x30001);
WREG32(data_reg, 0x80008000);
WREG32(index_reg, 0x30100);
WREG32(data_reg, 0x8FE0BF90);
WREG32(index_reg, 0x30101);
WREG32(data_reg, 0xBFF880A0);
WREG32(index_reg, 0x30200);
WREG32(data_reg, 0x8F60BF40);
WREG32(index_reg, 0x30201);
WREG32(data_reg, 0xBFE88180);
WREG32(index_reg, 0x30300);
WREG32(data_reg, 0x8EC0BF00);
WREG32(index_reg, 0x30301);
WREG32(data_reg, 0xBFC88280);
WREG32(index_reg, 0x30400);
WREG32(data_reg, 0x8DE0BEE0);
WREG32(index_reg, 0x30401);
WREG32(data_reg, 0xBFA083A0);
WREG32(index_reg, 0x30500);
WREG32(data_reg, 0x8CE0BED0);
WREG32(index_reg, 0x30501);
WREG32(data_reg, 0xBF7884E0);
WREG32(index_reg, 0x30600);
WREG32(data_reg, 0x8BA0BED8);
WREG32(index_reg, 0x30601);
WREG32(data_reg, 0xBF508640);
WREG32(index_reg, 0x30700);
WREG32(data_reg, 0x8A60BEE8);
WREG32(index_reg, 0x30701);
WREG32(data_reg, 0xBF2087A0);
WREG32(index_reg, 0x30800);
WREG32(data_reg, 0x8900BF00);
WREG32(index_reg, 0x30801);
WREG32(data_reg, 0xBF008900);
}
struct rv515_watermark {
u32 lb_request_fifo_depth;
fixed20_12 num_line_pair;
fixed20_12 estimated_width;
fixed20_12 worst_case_latency;
fixed20_12 consumption_rate;
fixed20_12 active_time;
fixed20_12 dbpp;
fixed20_12 priority_mark_max;
fixed20_12 priority_mark;
fixed20_12 sclk;
};
void rv515_crtc_bandwidth_compute(struct radeon_device *rdev,
struct radeon_crtc *crtc,
struct rv515_watermark *wm)
{
struct drm_display_mode *mode = &crtc->base.mode;
fixed20_12 a, b, c;
fixed20_12 pclk, request_fifo_depth, tolerable_latency, estimated_width;
fixed20_12 consumption_time, line_time, chunk_time, read_delay_latency;
if (!crtc->base.enabled) {
/* FIXME: wouldn't it better to set priority mark to maximum */
wm->lb_request_fifo_depth = 4;
return;
}
if (crtc->vsc.full > rfixed_const(2))
wm->num_line_pair.full = rfixed_const(2);
else
wm->num_line_pair.full = rfixed_const(1);
b.full = rfixed_const(mode->crtc_hdisplay);
c.full = rfixed_const(256);
a.full = rfixed_div(b, c);
request_fifo_depth.full = rfixed_mul(a, wm->num_line_pair);
request_fifo_depth.full = rfixed_ceil(request_fifo_depth);
if (a.full < rfixed_const(4)) {
wm->lb_request_fifo_depth = 4;
} else {
wm->lb_request_fifo_depth = rfixed_trunc(request_fifo_depth);
}
/* Determine consumption rate
* pclk = pixel clock period(ns) = 1000 / (mode.clock / 1000)
* vtaps = number of vertical taps,
* vsc = vertical scaling ratio, defined as source/destination
* hsc = horizontal scaling ration, defined as source/destination
*/
a.full = rfixed_const(mode->clock);
b.full = rfixed_const(1000);
a.full = rfixed_div(a, b);
pclk.full = rfixed_div(b, a);
if (crtc->rmx_type != RMX_OFF) {
b.full = rfixed_const(2);
if (crtc->vsc.full > b.full)
b.full = crtc->vsc.full;
b.full = rfixed_mul(b, crtc->hsc);
c.full = rfixed_const(2);
b.full = rfixed_div(b, c);
consumption_time.full = rfixed_div(pclk, b);
} else {
consumption_time.full = pclk.full;
}
a.full = rfixed_const(1);
wm->consumption_rate.full = rfixed_div(a, consumption_time);
/* Determine line time
* LineTime = total time for one line of displayhtotal
* LineTime = total number of horizontal pixels
* pclk = pixel clock period(ns)
*/
a.full = rfixed_const(crtc->base.mode.crtc_htotal);
line_time.full = rfixed_mul(a, pclk);
/* Determine active time
* ActiveTime = time of active region of display within one line,
* hactive = total number of horizontal active pixels
* htotal = total number of horizontal pixels
*/
a.full = rfixed_const(crtc->base.mode.crtc_htotal);
b.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
wm->active_time.full = rfixed_mul(line_time, b);
wm->active_time.full = rfixed_div(wm->active_time, a);
/* Determine chunk time
* ChunkTime = the time it takes the DCP to send one chunk of data
* to the LB which consists of pipeline delay and inter chunk gap
* sclk = system clock(Mhz)
*/
a.full = rfixed_const(600 * 1000);
chunk_time.full = rfixed_div(a, rdev->pm.sclk);
read_delay_latency.full = rfixed_const(1000);
/* Determine the worst case latency
* NumLinePair = Number of line pairs to request(1=2 lines, 2=4 lines)
* WorstCaseLatency = worst case time from urgent to when the MC starts
* to return data
* READ_DELAY_IDLE_MAX = constant of 1us
* ChunkTime = time it takes the DCP to send one chunk of data to the LB
* which consists of pipeline delay and inter chunk gap
*/
if (rfixed_trunc(wm->num_line_pair) > 1) {
a.full = rfixed_const(3);
wm->worst_case_latency.full = rfixed_mul(a, chunk_time);
wm->worst_case_latency.full += read_delay_latency.full;
} else {
wm->worst_case_latency.full = chunk_time.full + read_delay_latency.full;
}
/* Determine the tolerable latency
* TolerableLatency = Any given request has only 1 line time
* for the data to be returned
* LBRequestFifoDepth = Number of chunk requests the LB can
* put into the request FIFO for a display
* LineTime = total time for one line of display
* ChunkTime = the time it takes the DCP to send one chunk
* of data to the LB which consists of
* pipeline delay and inter chunk gap
*/
if ((2+wm->lb_request_fifo_depth) >= rfixed_trunc(request_fifo_depth)) {
tolerable_latency.full = line_time.full;
} else {
tolerable_latency.full = rfixed_const(wm->lb_request_fifo_depth - 2);
tolerable_latency.full = request_fifo_depth.full - tolerable_latency.full;
tolerable_latency.full = rfixed_mul(tolerable_latency, chunk_time);
tolerable_latency.full = line_time.full - tolerable_latency.full;
}
/* We assume worst case 32bits (4 bytes) */
wm->dbpp.full = rfixed_const(2 * 16);
/* Determine the maximum priority mark
* width = viewport width in pixels
*/
a.full = rfixed_const(16);
wm->priority_mark_max.full = rfixed_const(crtc->base.mode.crtc_hdisplay);
wm->priority_mark_max.full = rfixed_div(wm->priority_mark_max, a);
wm->priority_mark_max.full = rfixed_ceil(wm->priority_mark_max);
/* Determine estimated width */
estimated_width.full = tolerable_latency.full - wm->worst_case_latency.full;
estimated_width.full = rfixed_div(estimated_width, consumption_time);
if (rfixed_trunc(estimated_width) > crtc->base.mode.crtc_hdisplay) {
wm->priority_mark.full = wm->priority_mark_max.full;
} else {
a.full = rfixed_const(16);
wm->priority_mark.full = rfixed_div(estimated_width, a);
wm->priority_mark.full = rfixed_ceil(wm->priority_mark);
wm->priority_mark.full = wm->priority_mark_max.full - wm->priority_mark.full;
}
}
void rv515_bandwidth_avivo_update(struct radeon_device *rdev)
{
struct drm_display_mode *mode0 = NULL;
struct drm_display_mode *mode1 = NULL;
struct rv515_watermark wm0;
struct rv515_watermark wm1;
u32 tmp;
fixed20_12 priority_mark02, priority_mark12, fill_rate;
fixed20_12 a, b;
if (rdev->mode_info.crtcs[0]->base.enabled)
mode0 = &rdev->mode_info.crtcs[0]->base.mode;
if (rdev->mode_info.crtcs[1]->base.enabled)
mode1 = &rdev->mode_info.crtcs[1]->base.mode;
rs690_line_buffer_adjust(rdev, mode0, mode1);
rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[0], &wm0);
rv515_crtc_bandwidth_compute(rdev, rdev->mode_info.crtcs[1], &wm1);
tmp = wm0.lb_request_fifo_depth;
tmp |= wm1.lb_request_fifo_depth << 16;
WREG32(LB_MAX_REQ_OUTSTANDING, tmp);
if (mode0 && mode1) {
if (rfixed_trunc(wm0.dbpp) > 64)
a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
else
a.full = wm0.num_line_pair.full;
if (rfixed_trunc(wm1.dbpp) > 64)
b.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
else
b.full = wm1.num_line_pair.full;
a.full += b.full;
fill_rate.full = rfixed_div(wm0.sclk, a);
if (wm0.consumption_rate.full > fill_rate.full) {
b.full = wm0.consumption_rate.full - fill_rate.full;
b.full = rfixed_mul(b, wm0.active_time);
a.full = rfixed_const(16);
b.full = rfixed_div(b, a);
a.full = rfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
priority_mark02.full = a.full + b.full;
} else {
a.full = rfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
b.full = rfixed_const(16 * 1000);
priority_mark02.full = rfixed_div(a, b);
}
if (wm1.consumption_rate.full > fill_rate.full) {
b.full = wm1.consumption_rate.full - fill_rate.full;
b.full = rfixed_mul(b, wm1.active_time);
a.full = rfixed_const(16);
b.full = rfixed_div(b, a);
a.full = rfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
priority_mark12.full = a.full + b.full;
} else {
a.full = rfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
b.full = rfixed_const(16 * 1000);
priority_mark12.full = rfixed_div(a, b);
}
if (wm0.priority_mark.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark.full;
if (rfixed_trunc(priority_mark02) < 0)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
if (wm1.priority_mark.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark.full;
if (rfixed_trunc(priority_mark12) < 0)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
} else if (mode0) {
if (rfixed_trunc(wm0.dbpp) > 64)
a.full = rfixed_div(wm0.dbpp, wm0.num_line_pair);
else
a.full = wm0.num_line_pair.full;
fill_rate.full = rfixed_div(wm0.sclk, a);
if (wm0.consumption_rate.full > fill_rate.full) {
b.full = wm0.consumption_rate.full - fill_rate.full;
b.full = rfixed_mul(b, wm0.active_time);
a.full = rfixed_const(16);
b.full = rfixed_div(b, a);
a.full = rfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
priority_mark02.full = a.full + b.full;
} else {
a.full = rfixed_mul(wm0.worst_case_latency,
wm0.consumption_rate);
b.full = rfixed_const(16);
priority_mark02.full = rfixed_div(a, b);
}
if (wm0.priority_mark.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark.full;
if (rfixed_trunc(priority_mark02) < 0)
priority_mark02.full = 0;
if (wm0.priority_mark_max.full > priority_mark02.full)
priority_mark02.full = wm0.priority_mark_max.full;
WREG32(D1MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark02));
WREG32(D1MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark02));
WREG32(D2MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
WREG32(D2MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
} else {
if (rfixed_trunc(wm1.dbpp) > 64)
a.full = rfixed_div(wm1.dbpp, wm1.num_line_pair);
else
a.full = wm1.num_line_pair.full;
fill_rate.full = rfixed_div(wm1.sclk, a);
if (wm1.consumption_rate.full > fill_rate.full) {
b.full = wm1.consumption_rate.full - fill_rate.full;
b.full = rfixed_mul(b, wm1.active_time);
a.full = rfixed_const(16);
b.full = rfixed_div(b, a);
a.full = rfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
priority_mark12.full = a.full + b.full;
} else {
a.full = rfixed_mul(wm1.worst_case_latency,
wm1.consumption_rate);
b.full = rfixed_const(16 * 1000);
priority_mark12.full = rfixed_div(a, b);
}
if (wm1.priority_mark.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark.full;
if (rfixed_trunc(priority_mark12) < 0)
priority_mark12.full = 0;
if (wm1.priority_mark_max.full > priority_mark12.full)
priority_mark12.full = wm1.priority_mark_max.full;
WREG32(D1MODE_PRIORITY_A_CNT, MODE_PRIORITY_OFF);
WREG32(D1MODE_PRIORITY_B_CNT, MODE_PRIORITY_OFF);
WREG32(D2MODE_PRIORITY_A_CNT, rfixed_trunc(priority_mark12));
WREG32(D2MODE_PRIORITY_B_CNT, rfixed_trunc(priority_mark12));
}
}
void rv515_bandwidth_update(struct radeon_device *rdev)
{
uint32_t tmp;
struct drm_display_mode *mode0 = NULL;
struct drm_display_mode *mode1 = NULL;
if (rdev->mode_info.crtcs[0]->base.enabled)
mode0 = &rdev->mode_info.crtcs[0]->base.mode;
if (rdev->mode_info.crtcs[1]->base.enabled)
mode1 = &rdev->mode_info.crtcs[1]->base.mode;
/*
* Set display0/1 priority up in the memory controller for
* modes if the user specifies HIGH for displaypriority
* option.
*/
if (rdev->disp_priority == 2) {
tmp = RREG32_MC(MC_MISC_LAT_TIMER);
tmp &= ~MC_DISP1R_INIT_LAT_MASK;
tmp &= ~MC_DISP0R_INIT_LAT_MASK;
if (mode1)
tmp |= (1 << MC_DISP1R_INIT_LAT_SHIFT);
if (mode0)
tmp |= (1 << MC_DISP0R_INIT_LAT_SHIFT);
WREG32_MC(MC_MISC_LAT_TIMER, tmp);
}
rv515_bandwidth_avivo_update(rdev);
}
