summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
diff options
context:
space:
mode:
authorAlex Deucher <alexander.deucher@amd.com>2015-08-27 00:14:16 -0400
committerAlex Deucher <alexander.deucher@amd.com>2015-09-03 10:29:32 -0400
commit857d913d057f8e7330e9f17eaa2b0eb7ad492c33 (patch)
treeb87cd7e95038a9be3de7c01ce23f4f476a28cdb7 /drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
parentbddf8026386927985ef6d0d11c3ba78f70b76bad (diff)
downloadop-kernel-dev-857d913d057f8e7330e9f17eaa2b0eb7ad492c33.zip
op-kernel-dev-857d913d057f8e7330e9f17eaa2b0eb7ad492c33.tar.gz
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_ttm.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index 3991435..b5abd5c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -859,7 +859,8 @@ int amdgpu_ttm_init(struct amdgpu_device *adev)
amdgpu_ttm_set_active_vram_size(adev, adev->mc.visible_vram_size);
r = amdgpu_bo_create(adev, 256 * 1024, PAGE_SIZE, true,
- AMDGPU_GEM_DOMAIN_VRAM, 0,
+ AMDGPU_GEM_DOMAIN_VRAM,
+ AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
NULL, &adev->stollen_vga_memory);
if (r) {
return r;
OpenPOWER on IntegriCloud