drm/amdgpu: Bump amdgpu version for per-flip plane tiling updates

To help xf86-video-amdgpu and mesa know DC supports updating the
tiling attributes for a framebuffer per-flip.

Cc: Michel Dänzer <michel@daenzer.net>
Signed-off-by: Nicholas Kazlauskas <nicholas.kazlauskas@amd.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c

@@ -74,9 +74,10 @@
  * - 3.28.0 - Add AMDGPU_CHUNK_ID_SCHEDULED_DEPENDENCIES
  * - 3.29.0 - Add AMDGPU_IB_FLAG_RESET_GDS_MAX_WAVE_ID
  * - 3.30.0 - Add AMDGPU_SCHED_OP_CONTEXT_PRIORITY_OVERRIDE.
+ * - 3.31.0 - Add support for per-flip tiling attribute changes with DC
  */
 #define KMS_DRIVER_MAJOR	3
-#define KMS_DRIVER_MINOR	30
+#define KMS_DRIVER_MINOR	31
 #define KMS_DRIVER_PATCHLEVEL	0
 
 int amdgpu_vram_limit = 0;