drm/amdgpu: add hdp_invalidate function

It's called after emitting ibs.

Signed-off-by: Chunming Zhou <David1.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
index db14a7bbb8f4..4e978e7aa1b8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ib.c
@@ -178,6 +178,11 @@ int amdgpu_ib_schedule(struct amdgpu_ring *ring, unsigned num_ibs,
                 ring->current_ctx = ctx;
         }
 
+        if (vm) {
+                if (ring->funcs->emit_hdp_invalidate)
+                        amdgpu_ring_emit_hdp_invalidate(ring);
+        }
+
         r = amdgpu_fence_emit(ring, owner, &ib->fence);
         if (r) {
                 dev_err(adev->dev, "failed to emit fence (%d)\n", r);