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path: root/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
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Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_object.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
index a2a16acee34d..b8fbbd7699e4 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
@@ -33,6 +33,7 @@
#include <linux/slab.h>
#include <drm/drmP.h>
#include <drm/amdgpu_drm.h>
+#include <drm/drm_cache.h>
#include "amdgpu.h"
#include "amdgpu_trace.h"
@@ -261,6 +262,13 @@ int amdgpu_bo_create_restricted(struct amdgpu_device *adev,
AMDGPU_GEM_DOMAIN_OA);
bo->flags = flags;
+
+ /* For architectures that don't support WC memory,
+ * mask out the WC flag from the BO
+ */
+ if (!drm_arch_can_wc_memory())
+ bo->flags &= ~AMDGPU_GEM_CREATE_CPU_GTT_USWC;
+
amdgpu_fill_placement_to_bo(bo, placement);
/* Kernel allocation are uninterruptible */
r = ttm_bo_init(&adev->mman.bdev, &bo->tbo, size, type,