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drm/radeon/kms: force pinning buffer into visible VRAM

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This patch properly set visible VRAM and enforce any pinned buffer
to be into visible VRAM. We might later add a flag to release this
constraint for some newer hw more clever than previous.

Signed-off-by: Jerome Glisse <jglisse@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Jerome Glisse 2010-02-19 14:33:54 +00:00 committed by Dave Airlie
parent 22e6dd7e70
commit 51e5fcd353
7 changed files with 13 additions and 4 deletions
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1
drivers/gpu/drm/radeon/evergreen.c
View file

@ -474,6 +474,7 @@ int evergreen_mc_init(struct radeon_device *rdev)
/* size in MB on evergreen */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;

5
drivers/gpu/drm/radeon/r100.c
View file

@ -1958,9 +1958,12 @@ void r100_vram_init_sizes(struct radeon_device *rdev)
u64 config_aper_size;
/* work out accessible VRAM */
rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
rdev->mc.visible_vram_size = r100_get_accessible_vram(rdev);
/* FIXME we don't use the second aperture yet when we could use it */
if (rdev->mc.visible_vram_size > rdev->mc.aper_size)
rdev->mc.visible_vram_size = rdev->mc.aper_size;
config_aper_size = RREG32(RADEON_CONFIG_APER_SIZE);
if (rdev->flags & RADEON_IS_IGP) {
uint32_t tom;

1
drivers/gpu/drm/radeon/r600.c
View file

@ -712,6 +712,7 @@ int r600_mc_init(struct radeon_device *rdev)
/* Setup GPU memory space */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;

3
drivers/gpu/drm/radeon/radeon_object.c
View file

@ -178,7 +178,6 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
{
int r, i;
radeon_ttm_placement_from_domain(bo, domain);
if (bo->pin_count) {
bo->pin_count++;
if (gpu_addr)
@ -186,6 +185,8 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
return 0;
}
radeon_ttm_placement_from_domain(bo, domain);
/* force to pin into visible video ram */
bo->placement.lpfn = bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
for (i = 0; i < bo->placement.num_placement; i++)
bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false);

5
drivers/gpu/drm/radeon/rs600.c
View file

@ -462,12 +462,13 @@ void rs600_mc_init(struct radeon_device *rdev)
{
u64 base;
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
rdev->mc.vram_is_ddr = true;
rdev->mc.vram_width = 128;
rdev->mc.real_vram_size = RREG32(RADEON_CONFIG_MEMSIZE);
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
rdev->mc.igp_sideport_enabled = radeon_atombios_sideport_present(rdev);
base = RREG32_MC(R_000004_MC_FB_LOCATION);
base = G_000004_MC_FB_START(base) << 16;

1
drivers/gpu/drm/radeon/rs690.c
View file

@ -141,6 +141,7 @@ void rs690_mc_init(struct radeon_device *rdev)
rdev->mc.mc_vram_size = rdev->mc.real_vram_size;
rdev->mc.aper_base = drm_get_resource_start(rdev->ddev, 0);
rdev->mc.aper_size = drm_get_resource_len(rdev->ddev, 0);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
base = RREG32_MC(R_000100_MCCFG_FB_LOCATION);
base = G_000100_MC_FB_START(base) << 16;
rs690_pm_info(rdev);

1
drivers/gpu/drm/radeon/rv770.c
View file

@ -901,6 +901,7 @@ int rv770_mc_init(struct radeon_device *rdev)
/* Setup GPU memory space */
rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE);
rdev->mc.visible_vram_size = rdev->mc.aper_size;
/* FIXME remove this once we support unmappable VRAM */
if (rdev->mc.mc_vram_size > rdev->mc.aper_size) {
rdev->mc.mc_vram_size = rdev->mc.aper_size;