drm/amdgpu: add support for UVD_NO_OP register

Writes to this register are the preferred way to do NOPs.

Bump the driver version as well.

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_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index f5c99a0..a631c95 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -54,9 +54,10 @@
  *           at the end of IBs.
  * - 3.3.0 - Add VM support for UVD on supported hardware.
  * - 3.4.0 - Add AMDGPU_INFO_NUM_EVICTIONS.
+ * - 3.5.0 - Add support for new UVD_NO_OP register.
  */
 #define KMS_DRIVER_MAJOR	3
-#define KMS_DRIVER_MINOR	4
+#define KMS_DRIVER_MINOR	5
 #define KMS_DRIVER_PATCHLEVEL	0
 
 int amdgpu_vram_limit = 0;