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authorAlex Deucher <alexander.deucher@amd.com>2015-08-27 07:14:16 +0300
committerAlex Deucher <alexander.deucher@amd.com>2015-09-03 17:29:32 +0300
commit857d913d057f8e7330e9f17eaa2b0eb7ad492c33 (patch)
treeb87cd7e95038a9be3de7c01ce23f4f476a28cdb7 /drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
parentbddf8026386927985ef6d0d11c3ba78f70b76bad (diff)
downloadlinux-857d913d057f8e7330e9f17eaa2b0eb7ad492c33.tar.xz
drm/amdgpu: be explicit about cpu vram access for driver BOs (v2)
For kernel driver BOs, be explicit about whether we need vram access up front. This avoids unecessary migrations and avoids using visible vram for buffers were it's not needed. v2: line wrap fixes Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index e02db0b2e839..cbd3a486c5c2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -125,7 +125,8 @@ int amdgpu_gart_table_vram_alloc(struct amdgpu_device *adev)
if (adev->gart.robj == NULL) {
r = amdgpu_bo_create(adev, adev->gart.table_size,
- PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM, 0,
+ PAGE_SIZE, true, AMDGPU_GEM_DOMAIN_VRAM,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
NULL, &adev->gart.robj);
if (r) {
return r;