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drm/amdgpu: use explicit GTT limit for evictions

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This way the address space gets allocated immediately.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-09-12 16:06:18 +02:00 committed by Alex Deucher
parent 78ab0a38bf
commit 08291c5c2e
1 changed files with 18 additions and 2 deletions
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20
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
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@ -201,6 +201,7 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
.lpfn = 0,
.flags = TTM_PL_MASK_CACHING | TTM_PL_FLAG_SYSTEM
};
unsigned i;
if (!amdgpu_ttm_bo_is_amdgpu_bo(bo)) {
placement->placement = &placements;
@ -212,10 +213,25 @@ static void amdgpu_evict_flags(struct ttm_buffer_object *bo,
rbo = container_of(bo, struct amdgpu_bo, tbo);
switch (bo->mem.mem_type) {
case TTM_PL_VRAM:
if (rbo->adev->mman.buffer_funcs_ring->ready == false)
if (rbo->adev->mman.buffer_funcs_ring->ready == false) {
amdgpu_ttm_placement_from_domain(rbo, AMDGPU_GEM_DOMAIN_CPU);
else
} else {
amdgpu_ttm_placement_from_domain(rbo, AMDGPU_GEM_DOMAIN_GTT);
for (i = 0; i < rbo->placement.num_placement; ++i) {
if (!(rbo->placements[i].flags &
TTM_PL_FLAG_TT))
continue;
if (rbo->placements[i].lpfn)
continue;
/* set an upper limit to force directly
* allocating address space for the BO.
*/
rbo->placements[i].lpfn =
rbo->adev->mc.gtt_size >> PAGE_SHIFT;
}
}
break;
case TTM_PL_TT:
default: