2 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
index 1dab5f2b725b..0dee008bcc57 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_drv.c
@@ -50,9 +50,11 @@
  * KMS wrapper.
  * - 3.0.0 - initial driver
  * - 3.1.0 - allow reading more status registers (GRBM, SRBM, SDMA, CP)
+ * - 3.2.0 - GFX8: Uses EOP_TC_WB_ACTION_EN, so UMDs don't have to do the same
+ *           at the end of IBs.
  */
 #define KMS_DRIVER_MAJOR        3
-#define KMS_DRIVER_MINOR        1
+#define KMS_DRIVER_MINOR        2
 #define KMS_DRIVER_PATCHLEVEL   0
 
 int amdgpu_vram_limit = 0;
diff --git a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
index 92647fbf5b8b..ef192aad7d2f 100644
--- a/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
@@ -5725,6 +5725,7 @@ static void gfx_v8_0_ring_emit_fence_gfx(struct amdgpu_ring *ring, u64 addr,
         amdgpu_ring_write(ring, PACKET3(PACKET3_EVENT_WRITE_EOP, 4));
         amdgpu_ring_write(ring, (EOP_TCL1_ACTION_EN |
                                  EOP_TC_ACTION_EN |
+                                 EOP_TC_WB_ACTION_EN |
                                  EVENT_TYPE(CACHE_FLUSH_AND_INV_TS_EVENT) |
                                  EVENT_INDEX(5)));
         amdgpu_ring_write(ring, addr & 0xfffffffc);