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drm/amd/amdgpu: fix performance drop when VRAM pressure 

When VRAM pressue and trigger huge evictions there is performance drop,
this patch fix it.

Signed-off-by: Roger.He <Hongbo.He@amd.com>
Reviewed-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:
Roger.He 2017-03-27 19:38:11 +08:00 committed by Alex Deucher
parent e51a3226d4
commit c309cd03b4
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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@ -405,10 +405,8 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
if (unlikely(r != 0))
return r;
bo->tbo.priority = ilog2(bo->tbo.num_pages);
if (kernel)
bo->tbo.priority *= 2;
bo->tbo.priority = min(bo->tbo.priority, (unsigned)(TTM_MAX_BO_PRIORITY - 1));
bo->tbo.priority = 1;
if (flags & AMDGPU_GEM_CREATE_VRAM_CLEARED &&
bo->tbo.mem.placement & TTM_PL_FLAG_VRAM) {