drm/amdgpu: expand pte flags to uint64_t

Necessary for new asics.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 964d2a9..2916fab 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -229,7 +229,7 @@
 	unsigned p;
 	int i, j;
 	u64 page_base;
-	uint32_t flags = AMDGPU_PTE_SYSTEM;
+	uint64_t flags = AMDGPU_PTE_SYSTEM;
 
 	if (!adev->gart.ready) {
 		WARN(1, "trying to unbind memory from uninitialized GART !\n");
@@ -271,7 +271,7 @@
  */
 int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
 		     int pages, struct page **pagelist, dma_addr_t *dma_addr,
-		     uint32_t flags)
+		     uint64_t flags)
 {
 	unsigned t;
 	unsigned p;