leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity
9f022ddfb2
linux/drivers/gpu/drm/radeon/r300.c
Jerome Glisse 9f022ddfb2 drm/radeon/kms: convert r4xx to new init path 
This convert r4xx to new init path it also fix few bugs.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
2009-09-14 16:09:59 +10:00

1326 lines
34 KiB
C
Raw Blame History

/*
* 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 "drm.h"
#include "radeon_reg.h"
#include "radeon.h"
#include "radeon_drm.h"
#include "radeon_share.h"
#include "r100_track.h"
#include "r300d.h"
#include "r300_reg_safe.h"
/* r300,r350,rv350,rv370,rv380 depends on : */
void r100_hdp_reset(struct radeon_device *rdev);
int r100_cp_reset(struct radeon_device *rdev);
int r100_rb2d_reset(struct radeon_device *rdev);
int r100_cp_init(struct radeon_device *rdev, unsigned ring_size);
int r100_pci_gart_enable(struct radeon_device *rdev);
void r100_pci_gart_disable(struct radeon_device *rdev);
void r100_mc_setup(struct radeon_device *rdev);
void r100_mc_disable_clients(struct radeon_device *rdev);
int r100_gui_wait_for_idle(struct radeon_device *rdev);
int r100_cs_packet_parse(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx);
int r100_cs_packet_parse_vline(struct radeon_cs_parser *p);
int r100_cs_parse_packet0(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
const unsigned *auth, unsigned n,
radeon_packet0_check_t check);
int r100_cs_track_check_pkt3_indx_buffer(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
struct radeon_object *robj);
/* This files gather functions specifics to:
* r300,r350,rv350,rv370,rv380
*
* Some of these functions might be used by newer ASICs.
*/
void r300_gpu_init(struct radeon_device *rdev);
int r300_mc_wait_for_idle(struct radeon_device *rdev);
int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev);
/*
* rv370,rv380 PCIE GART
*/
void rv370_pcie_gart_tlb_flush(struct radeon_device *rdev)
{
uint32_t tmp;
int i;
/* Workaround HW bug do flush 2 times */
for (i = 0; i < 2; i++) {
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp | RADEON_PCIE_TX_GART_INVALIDATE_TLB);
(void)RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
}
mb();
}
int rv370_pcie_gart_enable(struct radeon_device *rdev)
{
uint32_t table_addr;
uint32_t tmp;
int r;
/* Initialize common gart structure */
r = radeon_gart_init(rdev);
if (r) {
return r;
}
r = rv370_debugfs_pcie_gart_info_init(rdev);
if (r) {
DRM_ERROR("Failed to register debugfs file for PCIE gart !\n");
}
rdev->gart.table_size = rdev->gart.num_gpu_pages * 4;
r = radeon_gart_table_vram_alloc(rdev);
if (r) {
return r;
}
/* discard memory request outside of configured range */
tmp = RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
WREG32_PCIE(RADEON_PCIE_TX_GART_START_LO, rdev->mc.gtt_location);
tmp = rdev->mc.gtt_location + rdev->mc.gtt_size - 4096;
WREG32_PCIE(RADEON_PCIE_TX_GART_END_LO, tmp);
WREG32_PCIE(RADEON_PCIE_TX_GART_START_HI, 0);
WREG32_PCIE(RADEON_PCIE_TX_GART_END_HI, 0);
table_addr = rdev->gart.table_addr;
WREG32_PCIE(RADEON_PCIE_TX_GART_BASE, table_addr);
/* FIXME: setup default page */
WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_LO, rdev->mc.vram_location);
WREG32_PCIE(RADEON_PCIE_TX_DISCARD_RD_ADDR_HI, 0);
/* Clear error */
WREG32_PCIE(0x18, 0);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
tmp |= RADEON_PCIE_TX_GART_EN;
tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp);
rv370_pcie_gart_tlb_flush(rdev);
DRM_INFO("PCIE GART of %uM enabled (table at 0x%08X).\n",
(unsigned)(rdev->mc.gtt_size >> 20), table_addr);
rdev->gart.ready = true;
return 0;
}
void rv370_pcie_gart_disable(struct radeon_device *rdev)
{
uint32_t tmp;
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_CNTL);
tmp |= RADEON_PCIE_TX_GART_UNMAPPED_ACCESS_DISCARD;
WREG32_PCIE(RADEON_PCIE_TX_GART_CNTL, tmp & ~RADEON_PCIE_TX_GART_EN);
if (rdev->gart.table.vram.robj) {
radeon_object_kunmap(rdev->gart.table.vram.robj);
radeon_object_unpin(rdev->gart.table.vram.robj);
}
}
int rv370_pcie_gart_set_page(struct radeon_device *rdev, int i, uint64_t addr)
{
void __iomem *ptr = (void *)rdev->gart.table.vram.ptr;
if (i < 0 || i > rdev->gart.num_gpu_pages) {
return -EINVAL;
}
addr = (lower_32_bits(addr) >> 8) |
((upper_32_bits(addr) & 0xff) << 24) |
0xc;
/* on x86 we want this to be CPU endian, on powerpc
* on powerpc without HW swappers, it'll get swapped on way
* into VRAM - so no need for cpu_to_le32 on VRAM tables */
writel(addr, ((void __iomem *)ptr) + (i * 4));
return 0;
}
int r300_gart_enable(struct radeon_device *rdev)
{
#if __OS_HAS_AGP
if (rdev->flags & RADEON_IS_AGP) {
if (rdev->family > CHIP_RV350) {
rv370_pcie_gart_disable(rdev);
} else {
r100_pci_gart_disable(rdev);
}
return 0;
}
#endif
if (rdev->flags & RADEON_IS_PCIE) {
rdev->asic->gart_disable = &rv370_pcie_gart_disable;
rdev->asic->gart_tlb_flush = &rv370_pcie_gart_tlb_flush;
rdev->asic->gart_set_page = &rv370_pcie_gart_set_page;
return rv370_pcie_gart_enable(rdev);
}
if (rdev->flags & RADEON_IS_PCI) {
rdev->asic->gart_disable = &r100_pci_gart_disable;
rdev->asic->gart_tlb_flush = &r100_pci_gart_tlb_flush;
rdev->asic->gart_set_page = &r100_pci_gart_set_page;
return r100_pci_gart_enable(rdev);
}
return r100_pci_gart_enable(rdev);
}
/*
* MC
*/
int r300_mc_init(struct radeon_device *rdev)
{
int r;
if (r100_debugfs_rbbm_init(rdev)) {
DRM_ERROR("Failed to register debugfs file for RBBM !\n");
}
r300_gpu_init(rdev);
r100_pci_gart_disable(rdev);
if (rdev->flags & RADEON_IS_PCIE) {
rv370_pcie_gart_disable(rdev);
}
/* Setup GPU memory space */
rdev->mc.vram_location = 0xFFFFFFFFUL;
rdev->mc.gtt_location = 0xFFFFFFFFUL;
if (rdev->flags & RADEON_IS_AGP) {
r = radeon_agp_init(rdev);
if (r) {
printk(KERN_WARNING "[drm] Disabling AGP\n");
rdev->flags &= ~RADEON_IS_AGP;
rdev->mc.gtt_size = radeon_gart_size * 1024 * 1024;
} else {
rdev->mc.gtt_location = rdev->mc.agp_base;
}
}
r = radeon_mc_setup(rdev);
if (r) {
return r;
}
/* Program GPU memory space */
r100_mc_disable_clients(rdev);
if (r300_mc_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait MC idle while "
"programming pipes. Bad things might happen.\n");
}
r100_mc_setup(rdev);
return 0;
}
void r300_mc_fini(struct radeon_device *rdev)
{
if (rdev->flags & RADEON_IS_PCIE) {
rv370_pcie_gart_disable(rdev);
radeon_gart_table_vram_free(rdev);
} else {
r100_pci_gart_disable(rdev);
radeon_gart_table_ram_free(rdev);
}
radeon_gart_fini(rdev);
}
/*
* Fence emission
*/
void r300_fence_ring_emit(struct radeon_device *rdev,
struct radeon_fence *fence)
{
/* Who ever call radeon_fence_emit should call ring_lock and ask
* for enough space (today caller are ib schedule and buffer move) */
/* Write SC register so SC & US assert idle */
radeon_ring_write(rdev, PACKET0(0x43E0, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(0x43E4, 0));
radeon_ring_write(rdev, 0);
/* Flush 3D cache */
radeon_ring_write(rdev, PACKET0(0x4E4C, 0));
radeon_ring_write(rdev, (2 << 0));
radeon_ring_write(rdev, PACKET0(0x4F18, 0));
radeon_ring_write(rdev, (1 << 0));
/* Wait until IDLE & CLEAN */
radeon_ring_write(rdev, PACKET0(0x1720, 0));
radeon_ring_write(rdev, (1 << 17) | (1 << 16) | (1 << 9));
/* Emit fence sequence & fire IRQ */
radeon_ring_write(rdev, PACKET0(rdev->fence_drv.scratch_reg, 0));
radeon_ring_write(rdev, fence->seq);
radeon_ring_write(rdev, PACKET0(RADEON_GEN_INT_STATUS, 0));
radeon_ring_write(rdev, RADEON_SW_INT_FIRE);
}
/*
* Global GPU functions
*/
int r300_copy_dma(struct radeon_device *rdev,
uint64_t src_offset,
uint64_t dst_offset,
unsigned num_pages,
struct radeon_fence *fence)
{
uint32_t size;
uint32_t cur_size;
int i, num_loops;
int r = 0;
/* radeon pitch is /64 */
size = num_pages << PAGE_SHIFT;
num_loops = DIV_ROUND_UP(size, 0x1FFFFF);
r = radeon_ring_lock(rdev, num_loops * 4 + 64);
if (r) {
DRM_ERROR("radeon: moving bo (%d).\n", r);
return r;
}
/* Must wait for 2D idle & clean before DMA or hangs might happen */
radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0 ));
radeon_ring_write(rdev, (1 << 16));
for (i = 0; i < num_loops; i++) {
cur_size = size;
if (cur_size > 0x1FFFFF) {
cur_size = 0x1FFFFF;
}
size -= cur_size;
radeon_ring_write(rdev, PACKET0(0x720, 2));
radeon_ring_write(rdev, src_offset);
radeon_ring_write(rdev, dst_offset);
radeon_ring_write(rdev, cur_size | (1 << 31) | (1 << 30));
src_offset += cur_size;
dst_offset += cur_size;
}
radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
radeon_ring_write(rdev, RADEON_WAIT_DMA_GUI_IDLE);
if (fence) {
r = radeon_fence_emit(rdev, fence);
}
radeon_ring_unlock_commit(rdev);
return r;
}
void r300_ring_start(struct radeon_device *rdev)
{
unsigned gb_tile_config;
int r;
/* Sub pixel 1/12 so we can have 4K rendering according to doc */
gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
switch(rdev->num_gb_pipes) {
case 2:
gb_tile_config |= R300_PIPE_COUNT_R300;
break;
case 3:
gb_tile_config |= R300_PIPE_COUNT_R420_3P;
break;
case 4:
gb_tile_config |= R300_PIPE_COUNT_R420;
break;
case 1:
default:
gb_tile_config |= R300_PIPE_COUNT_RV350;
break;
}
r = radeon_ring_lock(rdev, 64);
if (r) {
return;
}
radeon_ring_write(rdev, PACKET0(RADEON_ISYNC_CNTL, 0));
radeon_ring_write(rdev,
RADEON_ISYNC_ANY2D_IDLE3D |
RADEON_ISYNC_ANY3D_IDLE2D |
RADEON_ISYNC_WAIT_IDLEGUI |
RADEON_ISYNC_CPSCRATCH_IDLEGUI);
radeon_ring_write(rdev, PACKET0(R300_GB_TILE_CONFIG, 0));
radeon_ring_write(rdev, gb_tile_config);
radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
radeon_ring_write(rdev,
RADEON_WAIT_2D_IDLECLEAN |
RADEON_WAIT_3D_IDLECLEAN);
radeon_ring_write(rdev, PACKET0(0x170C, 0));
radeon_ring_write(rdev, 1 << 31);
radeon_ring_write(rdev, PACKET0(R300_GB_SELECT, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(R300_GB_ENABLE, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
radeon_ring_write(rdev, PACKET0(RADEON_WAIT_UNTIL, 0));
radeon_ring_write(rdev,
RADEON_WAIT_2D_IDLECLEAN |
RADEON_WAIT_3D_IDLECLEAN);
radeon_ring_write(rdev, PACKET0(R300_GB_AA_CONFIG, 0));
radeon_ring_write(rdev, 0);
radeon_ring_write(rdev, PACKET0(R300_RB3D_DSTCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, R300_RB3D_DC_FLUSH | R300_RB3D_DC_FREE);
radeon_ring_write(rdev, PACKET0(R300_RB3D_ZCACHE_CTLSTAT, 0));
radeon_ring_write(rdev, R300_ZC_FLUSH | R300_ZC_FREE);
radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS0, 0));
radeon_ring_write(rdev,
((6 << R300_MS_X0_SHIFT) |
(6 << R300_MS_Y0_SHIFT) |
(6 << R300_MS_X1_SHIFT) |
(6 << R300_MS_Y1_SHIFT) |
(6 << R300_MS_X2_SHIFT) |
(6 << R300_MS_Y2_SHIFT) |
(6 << R300_MSBD0_Y_SHIFT) |
(6 << R300_MSBD0_X_SHIFT)));
radeon_ring_write(rdev, PACKET0(R300_GB_MSPOS1, 0));
radeon_ring_write(rdev,
((6 << R300_MS_X3_SHIFT) |
(6 << R300_MS_Y3_SHIFT) |
(6 << R300_MS_X4_SHIFT) |
(6 << R300_MS_Y4_SHIFT) |
(6 << R300_MS_X5_SHIFT) |
(6 << R300_MS_Y5_SHIFT) |
(6 << R300_MSBD1_SHIFT)));
radeon_ring_write(rdev, PACKET0(R300_GA_ENHANCE, 0));
radeon_ring_write(rdev, R300_GA_DEADLOCK_CNTL | R300_GA_FASTSYNC_CNTL);
radeon_ring_write(rdev, PACKET0(R300_GA_POLY_MODE, 0));
radeon_ring_write(rdev,
R300_FRONT_PTYPE_TRIANGE | R300_BACK_PTYPE_TRIANGE);
radeon_ring_write(rdev, PACKET0(R300_GA_ROUND_MODE, 0));
radeon_ring_write(rdev,
R300_GEOMETRY_ROUND_NEAREST |
R300_COLOR_ROUND_NEAREST);
radeon_ring_unlock_commit(rdev);
}
void r300_errata(struct radeon_device *rdev)
{
rdev->pll_errata = 0;
if (rdev->family == CHIP_R300 &&
(RREG32(RADEON_CONFIG_CNTL) & RADEON_CFG_ATI_REV_ID_MASK) == RADEON_CFG_ATI_REV_A11) {
rdev->pll_errata |= CHIP_ERRATA_R300_CG;
}
}
int r300_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(0x0150);
if (tmp & (1 << 4)) {
return 0;
}
DRM_UDELAY(1);
}
return -1;
}
void r300_gpu_init(struct radeon_device *rdev)
{
uint32_t gb_tile_config, tmp;
r100_hdp_reset(rdev);
/* FIXME: rv380 one pipes ? */
if ((rdev->family == CHIP_R300) || (rdev->family == CHIP_R350)) {
/* r300,r350 */
rdev->num_gb_pipes = 2;
} else {
/* rv350,rv370,rv380 */
rdev->num_gb_pipes = 1;
}
rdev->num_z_pipes = 1;
gb_tile_config = (R300_ENABLE_TILING | R300_TILE_SIZE_16);
switch (rdev->num_gb_pipes) {
case 2:
gb_tile_config |= R300_PIPE_COUNT_R300;
break;
case 3:
gb_tile_config |= R300_PIPE_COUNT_R420_3P;
break;
case 4:
gb_tile_config |= R300_PIPE_COUNT_R420;
break;
default:
case 1:
gb_tile_config |= R300_PIPE_COUNT_RV350;
break;
}
WREG32(R300_GB_TILE_CONFIG, gb_tile_config);
if (r100_gui_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait GUI idle while "
"programming pipes. Bad things might happen.\n");
}
tmp = RREG32(0x170C);
WREG32(0x170C, tmp | (1 << 31));
WREG32(R300_RB2D_DSTCACHE_MODE,
R300_DC_AUTOFLUSH_ENABLE |
R300_DC_DC_DISABLE_IGNORE_PE);
if (r100_gui_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait GUI idle while "
"programming pipes. Bad things might happen.\n");
}
if (r300_mc_wait_for_idle(rdev)) {
printk(KERN_WARNING "Failed to wait MC idle while "
"programming pipes. Bad things might happen.\n");
}
DRM_INFO("radeon: %d quad pipes, %d Z pipes initialized.\n",
rdev->num_gb_pipes, rdev->num_z_pipes);
}
int r300_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(RADEON_CP_CSQ_MODE, 0);
WREG32(RADEON_CP_CSQ_CNTL, 0);
WREG32(RADEON_RBBM_SOFT_RESET, 0x32005);
(void)RREG32(RADEON_RBBM_SOFT_RESET);
udelay(200);
WREG32(RADEON_RBBM_SOFT_RESET, 0);
/* Wait to prevent race in RBBM_STATUS */
mdelay(1);
tmp = RREG32(RADEON_RBBM_STATUS);
if (tmp & ((1 << 20) | (1 << 26))) {
DRM_ERROR("VAP & CP still busy (RBBM_STATUS=0x%08X)", tmp);
/* GA still busy soft reset it */
WREG32(0x429C, 0x200);
WREG32(R300_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(RADEON_RBBM_STATUS);
if (!(tmp & ((1 << 20) | (1 << 26)))) {
break;
}
}
for (i = 0; i < rdev->usec_timeout; i++) {
tmp = RREG32(RADEON_RBBM_STATUS);
if (!(tmp & ((1 << 20) | (1 << 26)))) {
DRM_INFO("GA reset succeed (RBBM_STATUS=0x%08X)\n",
tmp);
if (reinit_cp) {
return r100_cp_init(rdev, rdev->cp.ring_size);
}
return 0;
}
DRM_UDELAY(1);
}
tmp = RREG32(RADEON_RBBM_STATUS);
DRM_ERROR("Failed to reset GA ! (RBBM_STATUS=0x%08X)\n", tmp);
return -1;
}
int r300_gpu_reset(struct radeon_device *rdev)
{
uint32_t status;
/* reset order likely matter */
status = RREG32(RADEON_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))) {
r300_ga_reset(rdev);
}
/* reset CP */
status = RREG32(RADEON_RBBM_STATUS);
if (status & (1 << 16)) {
r100_cp_reset(rdev);
}
/* Check if GPU is idle */
status = RREG32(RADEON_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;
}
/*
* r300,r350,rv350,rv380 VRAM info
*/
void r300_vram_info(struct radeon_device *rdev)
{
uint32_t tmp;
/* DDR for all card after R300 & IGP */
rdev->mc.vram_is_ddr = true;
tmp = RREG32(RADEON_MEM_CNTL);
if (tmp & R300_MEM_NUM_CHANNELS_MASK) {
rdev->mc.vram_width = 128;
} else {
rdev->mc.vram_width = 64;
}
r100_vram_init_sizes(rdev);
}
/*
* PCIE Lanes
*/
void rv370_set_pcie_lanes(struct radeon_device *rdev, int lanes)
{
uint32_t link_width_cntl, mask;
if (rdev->flags & RADEON_IS_IGP)
return;
if (!(rdev->flags & RADEON_IS_PCIE))
return;
/* FIXME wait for idle */
switch (lanes) {
case 0:
mask = RADEON_PCIE_LC_LINK_WIDTH_X0;
break;
case 1:
mask = RADEON_PCIE_LC_LINK_WIDTH_X1;
break;
case 2:
mask = RADEON_PCIE_LC_LINK_WIDTH_X2;
break;
case 4:
mask = RADEON_PCIE_LC_LINK_WIDTH_X4;
break;
case 8:
mask = RADEON_PCIE_LC_LINK_WIDTH_X8;
break;
case 12:
mask = RADEON_PCIE_LC_LINK_WIDTH_X12;
break;
case 16:
default:
mask = RADEON_PCIE_LC_LINK_WIDTH_X16;
break;
}
link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
if ((link_width_cntl & RADEON_PCIE_LC_LINK_WIDTH_RD_MASK) ==
(mask << RADEON_PCIE_LC_LINK_WIDTH_RD_SHIFT))
return;
link_width_cntl &= ~(RADEON_PCIE_LC_LINK_WIDTH_MASK |
RADEON_PCIE_LC_RECONFIG_NOW |
RADEON_PCIE_LC_RECONFIG_LATER |
RADEON_PCIE_LC_SHORT_RECONFIG_EN);
link_width_cntl |= mask;
WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, link_width_cntl);
WREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL, (link_width_cntl |
RADEON_PCIE_LC_RECONFIG_NOW));
/* wait for lane set to complete */
link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
while (link_width_cntl == 0xffffffff)
link_width_cntl = RREG32_PCIE(RADEON_PCIE_LC_LINK_WIDTH_CNTL);
}
/*
* Debugfs info
*/
#if defined(CONFIG_DEBUG_FS)
static int rv370_debugfs_pcie_gart_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_PCIE(RADEON_PCIE_TX_GART_CNTL);
seq_printf(m, "PCIE_TX_GART_CNTL 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_BASE);
seq_printf(m, "PCIE_TX_GART_BASE 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_LO);
seq_printf(m, "PCIE_TX_GART_START_LO 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_START_HI);
seq_printf(m, "PCIE_TX_GART_START_HI 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_LO);
seq_printf(m, "PCIE_TX_GART_END_LO 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_END_HI);
seq_printf(m, "PCIE_TX_GART_END_HI 0x%08x\n", tmp);
tmp = RREG32_PCIE(RADEON_PCIE_TX_GART_ERROR);
seq_printf(m, "PCIE_TX_GART_ERROR 0x%08x\n", tmp);
return 0;
}
static struct drm_info_list rv370_pcie_gart_info_list[] = {
{"rv370_pcie_gart_info", rv370_debugfs_pcie_gart_info, 0, NULL},
};
#endif
int rv370_debugfs_pcie_gart_info_init(struct radeon_device *rdev)
{
#if defined(CONFIG_DEBUG_FS)
return radeon_debugfs_add_files(rdev, rv370_pcie_gart_info_list, 1);
#else
return 0;
#endif
}
/*
* CS functions
*/
static int r300_packet0_check(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx, unsigned reg)
{
struct radeon_cs_chunk *ib_chunk;
struct radeon_cs_reloc *reloc;
struct r100_cs_track *track;
volatile uint32_t *ib;
uint32_t tmp, tile_flags = 0;
unsigned i;
int r;
ib = p->ib->ptr;
ib_chunk = &p->chunks[p->chunk_ib_idx];
track = (struct r100_cs_track *)p->track;
switch(reg) {
case AVIVO_D1MODE_VLINE_START_END:
case RADEON_CRTC_GUI_TRIG_VLINE:
r = r100_cs_packet_parse_vline(p);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
r100_cs_dump_packet(p, pkt);
return r;
}
break;
case RADEON_DST_PITCH_OFFSET:
case RADEON_SRC_PITCH_OFFSET:
r = r100_reloc_pitch_offset(p, pkt, idx, reg);
if (r)
return r;
break;
case R300_RB3D_COLOROFFSET0:
case R300_RB3D_COLOROFFSET1:
case R300_RB3D_COLOROFFSET2:
case R300_RB3D_COLOROFFSET3:
i = (reg - R300_RB3D_COLOROFFSET0) >> 2;
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
r100_cs_dump_packet(p, pkt);
return r;
}
track->cb[i].robj = reloc->robj;
track->cb[i].offset = ib_chunk->kdata[idx];
ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
break;
case R300_ZB_DEPTHOFFSET:
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
r100_cs_dump_packet(p, pkt);
return r;
}
track->zb.robj = reloc->robj;
track->zb.offset = ib_chunk->kdata[idx];
ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
break;
case R300_TX_OFFSET_0:
case R300_TX_OFFSET_0+4:
case R300_TX_OFFSET_0+8:
case R300_TX_OFFSET_0+12:
case R300_TX_OFFSET_0+16:
case R300_TX_OFFSET_0+20:
case R300_TX_OFFSET_0+24:
case R300_TX_OFFSET_0+28:
case R300_TX_OFFSET_0+32:
case R300_TX_OFFSET_0+36:
case R300_TX_OFFSET_0+40:
case R300_TX_OFFSET_0+44:
case R300_TX_OFFSET_0+48:
case R300_TX_OFFSET_0+52:
case R300_TX_OFFSET_0+56:
case R300_TX_OFFSET_0+60:
i = (reg - R300_TX_OFFSET_0) >> 2;
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
r100_cs_dump_packet(p, pkt);
return r;
}
ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
track->textures[i].robj = reloc->robj;
break;
/* Tracked registers */
case 0x2084:
/* VAP_VF_CNTL */
track->vap_vf_cntl = ib_chunk->kdata[idx];
break;
case 0x20B4:
/* VAP_VTX_SIZE */
track->vtx_size = ib_chunk->kdata[idx] & 0x7F;
break;
case 0x2134:
/* VAP_VF_MAX_VTX_INDX */
track->max_indx = ib_chunk->kdata[idx] & 0x00FFFFFFUL;
break;
case 0x43E4:
/* SC_SCISSOR1 */
track->maxy = ((ib_chunk->kdata[idx] >> 13) & 0x1FFF) + 1;
if (p->rdev->family < CHIP_RV515) {
track->maxy -= 1440;
}
break;
case 0x4E00:
/* RB3D_CCTL */
track->num_cb = ((ib_chunk->kdata[idx] >> 5) & 0x3) + 1;
break;
case 0x4E38:
case 0x4E3C:
case 0x4E40:
case 0x4E44:
/* RB3D_COLORPITCH0 */
/* RB3D_COLORPITCH1 */
/* RB3D_COLORPITCH2 */
/* RB3D_COLORPITCH3 */
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
r100_cs_dump_packet(p, pkt);
return r;
}
if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
tile_flags |= R300_COLOR_TILE_ENABLE;
if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
tile_flags |= R300_COLOR_MICROTILE_ENABLE;
tmp = ib_chunk->kdata[idx] & ~(0x7 << 16);
tmp |= tile_flags;
ib[idx] = tmp;
i = (reg - 0x4E38) >> 2;
track->cb[i].pitch = ib_chunk->kdata[idx] & 0x3FFE;
switch (((ib_chunk->kdata[idx] >> 21) & 0xF)) {
case 9:
case 11:
case 12:
track->cb[i].cpp = 1;
break;
case 3:
case 4:
case 13:
case 15:
track->cb[i].cpp = 2;
break;
case 6:
track->cb[i].cpp = 4;
break;
case 10:
track->cb[i].cpp = 8;
break;
case 7:
track->cb[i].cpp = 16;
break;
default:
DRM_ERROR("Invalid color buffer format (%d) !\n",
((ib_chunk->kdata[idx] >> 21) & 0xF));
return -EINVAL;
}
break;
case 0x4F00:
/* ZB_CNTL */
if (ib_chunk->kdata[idx] & 2) {
track->z_enabled = true;
} else {
track->z_enabled = false;
}
break;
case 0x4F10:
/* ZB_FORMAT */
switch ((ib_chunk->kdata[idx] & 0xF)) {
case 0:
case 1:
track->zb.cpp = 2;
break;
case 2:
track->zb.cpp = 4;
break;
default:
DRM_ERROR("Invalid z buffer format (%d) !\n",
(ib_chunk->kdata[idx] & 0xF));
return -EINVAL;
}
break;
case 0x4F24:
/* ZB_DEPTHPITCH */
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
r100_cs_dump_packet(p, pkt);
return r;
}
if (reloc->lobj.tiling_flags & RADEON_TILING_MACRO)
tile_flags |= R300_DEPTHMACROTILE_ENABLE;
if (reloc->lobj.tiling_flags & RADEON_TILING_MICRO)
tile_flags |= R300_DEPTHMICROTILE_TILED;;
tmp = ib_chunk->kdata[idx] & ~(0x7 << 16);
tmp |= tile_flags;
ib[idx] = tmp;
track->zb.pitch = ib_chunk->kdata[idx] & 0x3FFC;
break;
case 0x4104:
for (i = 0; i < 16; i++) {
bool enabled;
enabled = !!(ib_chunk->kdata[idx] & (1 << i));
track->textures[i].enabled = enabled;
}
break;
case 0x44C0:
case 0x44C4:
case 0x44C8:
case 0x44CC:
case 0x44D0:
case 0x44D4:
case 0x44D8:
case 0x44DC:
case 0x44E0:
case 0x44E4:
case 0x44E8:
case 0x44EC:
case 0x44F0:
case 0x44F4:
case 0x44F8:
case 0x44FC:
/* TX_FORMAT1_[0-15] */
i = (reg - 0x44C0) >> 2;
tmp = (ib_chunk->kdata[idx] >> 25) & 0x3;
track->textures[i].tex_coord_type = tmp;
switch ((ib_chunk->kdata[idx] & 0x1F)) {
case R300_TX_FORMAT_X8:
case R300_TX_FORMAT_Y4X4:
case R300_TX_FORMAT_Z3Y3X2:
track->textures[i].cpp = 1;
break;
case R300_TX_FORMAT_X16:
case R300_TX_FORMAT_Y8X8:
case R300_TX_FORMAT_Z5Y6X5:
case R300_TX_FORMAT_Z6Y5X5:
case R300_TX_FORMAT_W4Z4Y4X4:
case R300_TX_FORMAT_W1Z5Y5X5:
case R300_TX_FORMAT_DXT1:
case R300_TX_FORMAT_D3DMFT_CxV8U8:
case R300_TX_FORMAT_B8G8_B8G8:
case R300_TX_FORMAT_G8R8_G8B8:
track->textures[i].cpp = 2;
break;
case R300_TX_FORMAT_Y16X16:
case R300_TX_FORMAT_Z11Y11X10:
case R300_TX_FORMAT_Z10Y11X11:
case R300_TX_FORMAT_W8Z8Y8X8:
case R300_TX_FORMAT_W2Z10Y10X10:
case 0x17:
case R300_TX_FORMAT_FL_I32:
case 0x1e:
case R300_TX_FORMAT_DXT3:
case R300_TX_FORMAT_DXT5:
track->textures[i].cpp = 4;
break;
case R300_TX_FORMAT_W16Z16Y16X16:
case R300_TX_FORMAT_FL_R16G16B16A16:
case R300_TX_FORMAT_FL_I32A32:
track->textures[i].cpp = 8;
break;
case R300_TX_FORMAT_FL_R32G32B32A32:
track->textures[i].cpp = 16;
break;
default:
DRM_ERROR("Invalid texture format %u\n",
(ib_chunk->kdata[idx] & 0x1F));
return -EINVAL;
break;
}
break;
case 0x4400:
case 0x4404:
case 0x4408:
case 0x440C:
case 0x4410:
case 0x4414:
case 0x4418:
case 0x441C:
case 0x4420:
case 0x4424:
case 0x4428:
case 0x442C:
case 0x4430:
case 0x4434:
case 0x4438:
case 0x443C:
/* TX_FILTER0_[0-15] */
i = (reg - 0x4400) >> 2;
tmp = ib_chunk->kdata[idx] & 0x7;
if (tmp == 2 || tmp == 4 || tmp == 6) {
track->textures[i].roundup_w = false;
}
tmp = (ib_chunk->kdata[idx] >> 3) & 0x7;
if (tmp == 2 || tmp == 4 || tmp == 6) {
track->textures[i].roundup_h = false;
}
break;
case 0x4500:
case 0x4504:
case 0x4508:
case 0x450C:
case 0x4510:
case 0x4514:
case 0x4518:
case 0x451C:
case 0x4520:
case 0x4524:
case 0x4528:
case 0x452C:
case 0x4530:
case 0x4534:
case 0x4538:
case 0x453C:
/* TX_FORMAT2_[0-15] */
i = (reg - 0x4500) >> 2;
tmp = ib_chunk->kdata[idx] & 0x3FFF;
track->textures[i].pitch = tmp + 1;
if (p->rdev->family >= CHIP_RV515) {
tmp = ((ib_chunk->kdata[idx] >> 15) & 1) << 11;
track->textures[i].width_11 = tmp;
tmp = ((ib_chunk->kdata[idx] >> 16) & 1) << 11;
track->textures[i].height_11 = tmp;
}
break;
case 0x4480:
case 0x4484:
case 0x4488:
case 0x448C:
case 0x4490:
case 0x4494:
case 0x4498:
case 0x449C:
case 0x44A0:
case 0x44A4:
case 0x44A8:
case 0x44AC:
case 0x44B0:
case 0x44B4:
case 0x44B8:
case 0x44BC:
/* TX_FORMAT0_[0-15] */
i = (reg - 0x4480) >> 2;
tmp = ib_chunk->kdata[idx] & 0x7FF;
track->textures[i].width = tmp + 1;
tmp = (ib_chunk->kdata[idx] >> 11) & 0x7FF;
track->textures[i].height = tmp + 1;
tmp = (ib_chunk->kdata[idx] >> 26) & 0xF;
track->textures[i].num_levels = tmp;
tmp = ib_chunk->kdata[idx] & (1 << 31);
track->textures[i].use_pitch = !!tmp;
tmp = (ib_chunk->kdata[idx] >> 22) & 0xF;
track->textures[i].txdepth = tmp;
break;
case R300_ZB_ZPASS_ADDR:
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
r100_cs_dump_packet(p, pkt);
return r;
}
ib[idx] = ib_chunk->kdata[idx] + ((u32)reloc->lobj.gpu_offset);
break;
case 0x4be8:
/* valid register only on RV530 */
if (p->rdev->family == CHIP_RV530)
break;
/* fallthrough do not move */
default:
printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
reg, idx);
return -EINVAL;
}
return 0;
}
static int r300_packet3_check(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt)
{
struct radeon_cs_chunk *ib_chunk;
struct radeon_cs_reloc *reloc;
struct r100_cs_track *track;
volatile uint32_t *ib;
unsigned idx;
unsigned i, c;
int r;
ib = p->ib->ptr;
ib_chunk = &p->chunks[p->chunk_ib_idx];
idx = pkt->idx + 1;
track = (struct r100_cs_track *)p->track;
switch(pkt->opcode) {
case PACKET3_3D_LOAD_VBPNTR:
c = ib_chunk->kdata[idx++] & 0x1F;
track->num_arrays = c;
for (i = 0; i < (c - 1); i+=2, idx+=3) {
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for packet3 %d\n",
pkt->opcode);
r100_cs_dump_packet(p, pkt);
return r;
}
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
track->arrays[i + 0].robj = reloc->robj;
track->arrays[i + 0].esize = ib_chunk->kdata[idx] >> 8;
track->arrays[i + 0].esize &= 0x7F;
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for packet3 %d\n",
pkt->opcode);
r100_cs_dump_packet(p, pkt);
return r;
}
ib[idx+2] = ib_chunk->kdata[idx+2] + ((u32)reloc->lobj.gpu_offset);
track->arrays[i + 1].robj = reloc->robj;
track->arrays[i + 1].esize = ib_chunk->kdata[idx] >> 24;
track->arrays[i + 1].esize &= 0x7F;
}
if (c & 1) {
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for packet3 %d\n",
pkt->opcode);
r100_cs_dump_packet(p, pkt);
return r;
}
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
track->arrays[i + 0].robj = reloc->robj;
track->arrays[i + 0].esize = ib_chunk->kdata[idx] >> 8;
track->arrays[i + 0].esize &= 0x7F;
}
break;
case PACKET3_INDX_BUFFER:
r = r100_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("No reloc for packet3 %d\n", pkt->opcode);
r100_cs_dump_packet(p, pkt);
return r;
}
ib[idx+1] = ib_chunk->kdata[idx+1] + ((u32)reloc->lobj.gpu_offset);
r = r100_cs_track_check_pkt3_indx_buffer(p, pkt, reloc->robj);
if (r) {
return r;
}
break;
/* Draw packet */
case PACKET3_3D_DRAW_IMMD:
/* Number of dwords is vtx_size * (num_vertices - 1)
* PRIM_WALK must be equal to 3 vertex data in embedded
* in cmd stream */
if (((ib_chunk->kdata[idx+1] >> 4) & 0x3) != 3) {
DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
return -EINVAL;
}
track->vap_vf_cntl = ib_chunk->kdata[idx+1];
track->immd_dwords = pkt->count - 1;
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_IMMD_2:
/* Number of dwords is vtx_size * (num_vertices - 1)
* PRIM_WALK must be equal to 3 vertex data in embedded
* in cmd stream */
if (((ib_chunk->kdata[idx] >> 4) & 0x3) != 3) {
DRM_ERROR("PRIM_WALK must be 3 for IMMD draw\n");
return -EINVAL;
}
track->vap_vf_cntl = ib_chunk->kdata[idx];
track->immd_dwords = pkt->count;
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_VBUF:
track->vap_vf_cntl = ib_chunk->kdata[idx + 1];
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_VBUF_2:
track->vap_vf_cntl = ib_chunk->kdata[idx];
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_INDX:
track->vap_vf_cntl = ib_chunk->kdata[idx + 1];
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_3D_DRAW_INDX_2:
track->vap_vf_cntl = ib_chunk->kdata[idx];
r = r100_cs_track_check(p->rdev, track);
if (r) {
return r;
}
break;
case PACKET3_NOP:
break;
default:
DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
return -EINVAL;
}
return 0;
}
int r300_cs_parse(struct radeon_cs_parser *p)
{
struct radeon_cs_packet pkt;
struct r100_cs_track *track;
int r;
track = kzalloc(sizeof(*track), GFP_KERNEL);
r100_cs_track_clear(p->rdev, track);
p->track = track;
do {
r = r100_cs_packet_parse(p, &pkt, p->idx);
if (r) {
return r;
}
p->idx += pkt.count + 2;
switch (pkt.type) {
case PACKET_TYPE0:
r = r100_cs_parse_packet0(p, &pkt,
p->rdev->config.r300.reg_safe_bm,
p->rdev->config.r300.reg_safe_bm_size,
&r300_packet0_check);
break;
case PACKET_TYPE2:
break;
case PACKET_TYPE3:
r = r300_packet3_check(p, &pkt);
break;
default:
DRM_ERROR("Unknown packet type %d !\n", pkt.type);
return -EINVAL;
}
if (r) {
return r;
}
} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
return 0;
}
void r300_set_reg_safe(struct radeon_device *rdev)
{
rdev->config.r300.reg_safe_bm = r300_reg_safe_bm;
rdev->config.r300.reg_safe_bm_size = ARRAY_SIZE(r300_reg_safe_bm);
}
int r300_init(struct radeon_device *rdev)
{
r300_set_reg_safe(rdev);
return 0;
}
void r300_mc_program(struct radeon_device *rdev)
{
struct r100_mc_save save;
int r;
r = r100_debugfs_mc_info_init(rdev);
if (r) {
dev_err(rdev->dev, "Failed to create r100_mc debugfs file.\n");
}
/* Stops all mc clients */
r100_mc_stop(rdev, &save);
/* Shutdown PCI/PCIE GART */
radeon_gart_disable(rdev);
if (rdev->flags & RADEON_IS_AGP) {
WREG32(R_00014C_MC_AGP_LOCATION,
S_00014C_MC_AGP_START(rdev->mc.gtt_start >> 16) |
S_00014C_MC_AGP_TOP(rdev->mc.gtt_end >> 16));
WREG32(R_000170_AGP_BASE, lower_32_bits(rdev->mc.agp_base));
WREG32(R_00015C_AGP_BASE_2,
upper_32_bits(rdev->mc.agp_base) & 0xff);
} else {
WREG32(R_00014C_MC_AGP_LOCATION, 0x0FFFFFFF);
WREG32(R_000170_AGP_BASE, 0);
WREG32(R_00015C_AGP_BASE_2, 0);
}
/* Wait for mc idle */
if (r300_mc_wait_for_idle(rdev))
DRM_INFO("Failed to wait MC idle before programming MC.\n");
/* Program MC, should be a 32bits limited address space */
WREG32(R_000148_MC_FB_LOCATION,
S_000148_MC_FB_START(rdev->mc.vram_start >> 16) |
S_000148_MC_FB_TOP(rdev->mc.vram_end >> 16));
r100_mc_resume(rdev, &save);
}
Reference in New Issue View Git Blame Copy Permalink