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Revert "drm/radeon: do not move bo to different placement at each cs"

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This reverts commit d025e9e2b8.

This causes corruption for a number of users and needs further
investigation in the next cycle.
https://bugzilla.kernel.org/show_bug.cgi?id=52491
https://bugs.freedesktop.org/show_bug.cgi?id=58659
http://lists.freedesktop.org/archives/dri-devel/2013-January/032961.html

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2013-01-17 13:10:50 -05:00
parent 5f0839c11e
commit 20707874fd
2 changed files with 10 additions and 9 deletions
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1
drivers/gpu/drm/radeon/radeon.h
View File

@ -324,7 +324,6 @@ struct radeon_bo {
struct list_head list;
/* Protected by tbo.reserved */
u32 placements[3];
u32 busy_placements[3];
struct ttm_placement placement;
struct ttm_buffer_object tbo;
struct ttm_bo_kmap_obj kmap;

18
drivers/gpu/drm/radeon/radeon_object.c
View File

@ -84,6 +84,7 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
rbo->placement.fpfn = 0;
rbo->placement.lpfn = 0;
rbo->placement.placement = rbo->placements;
rbo->placement.busy_placement = rbo->placements;
if (domain & RADEON_GEM_DOMAIN_VRAM)
rbo->placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
TTM_PL_FLAG_VRAM;
@ -104,14 +105,6 @@ void radeon_ttm_placement_from_domain(struct radeon_bo *rbo, u32 domain)
if (!c)
rbo->placements[c++] = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM;
rbo->placement.num_placement = c;
c = 0;
rbo->placement.busy_placement = rbo->busy_placements;
if (rbo->rdev->flags & RADEON_IS_AGP) {
rbo->busy_placements[c++] = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT;
} else {
rbo->busy_placements[c++] = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT;
}
rbo->placement.num_busy_placement = c;
}
@ -357,6 +350,7 @@ int radeon_bo_list_validate(struct list_head *head)
{
struct radeon_bo_list *lobj;
struct radeon_bo *bo;
u32 domain;
int r;
r = ttm_eu_reserve_buffers(head);
@ -366,9 +360,17 @@ int radeon_bo_list_validate(struct list_head *head)
list_for_each_entry(lobj, head, tv.head) {
bo = lobj->bo;
if (!bo->pin_count) {
domain = lobj->wdomain ? lobj->wdomain : lobj->rdomain;
retry:
radeon_ttm_placement_from_domain(bo, domain);
r = ttm_bo_validate(&bo->tbo, &bo->placement,
true, false);
if (unlikely(r)) {
if (r != -ERESTARTSYS && domain == RADEON_GEM_DOMAIN_VRAM) {
domain |= RADEON_GEM_DOMAIN_GTT;
goto retry;
}
return r;
}
}