[PATCH 1/3] drm/amdgpu: set GTT_USWC on reserved VRAM allocations

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

Signed-off-by: Marek Olšák <marek.olsak at amd.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_object.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index 904014dc5915..8e0f47343e0e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -241,21 +241,23 @@ int amdgpu_bo_create_reserved(struct amdgpu_device *adev,
 	if (!size) {
 		amdgpu_bo_unref(bo_ptr);
 		return 0;
 	}
 
 	memset(&bp, 0, sizeof(bp));
 	bp.size = size;
 	bp.byte_align = align;
 	bp.domain = domain;
 	bp.flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED |
-		AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
+		   AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS |
+		   (domain & AMDGPU_GEM_DOMAIN_VRAM ?
+			    AMDGPU_GEM_CREATE_CPU_GTT_USWC : 0);
 	bp.type = ttm_bo_type_kernel;
 	bp.resv = NULL;
 
 	if (!*bo_ptr) {
 		r = amdgpu_bo_create(adev, &bp, bo_ptr);
 		if (r) {
 			dev_err(adev->dev, "(%d) failed to allocate kernel bo\n",
 				r);
 			return r;
 		}
-- 
2.17.1