2 files changed, 4 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index cb9472f52e8c..f774b3f497d2 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -169,6 +169,9 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
                 dma_fence_put(tmp);
         }
 
+        if (ring->funcs->insert_start)
+                ring->funcs->insert_start(ring);
+
         if (vm) {
                 r = amdgpu_vm_flush(ring, job);
                 if (r) {
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 731f0941927a..9bf3100f273e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -132,6 +132,7 @@ struct amdgpu_ring_funcs {
         int (*test_ib)(struct amdgpu_ring *ring, long timeout);
         /* insert NOP packets */
         void (*insert_nop)(struct amdgpu_ring *ring, uint32_t count);
+        void (*insert_start)(struct amdgpu_ring *ring);
         void (*insert_end)(struct amdgpu_ring *ring);
         /* pad the indirect buffer to the necessary number of dw */
         void (*pad_ib)(struct amdgpu_ring *ring, struct amdgpu_ib *ib);