drm/amdgpu: gart fixes for vega10

Flags need to be 0 to be considered invalid.

Reviewed-by: Christian König <christian.koenig@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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 2916fabf3d1b..6d691abe889c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -229,7 +229,8 @@ void amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
         unsigned p;
         int i, j;
         u64 page_base;
-        uint64_t flags = AMDGPU_PTE_SYSTEM;
+        /* Starting from VEGA10, system bit must be 0 to mean invalid. */
+        uint64_t flags = 0;
 
         if (!adev->gart.ready) {
                 WARN(1, "trying to unbind memory from uninitialized GART !\n");