drm/amdgpu: adjust HDP write queue flushing for tlb invalidation

Separate tlb invalidation and hdp flushing and move the HDP
flush to the caller.

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

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
index 0a4f34afaaaa..d0617f1c252f 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gart.c
@@ -247,6 +247,7 @@ int amdgpu_gart_unbind(struct amdgpu_device *adev, uint64_t offset,
                 }
         }
         mb();
+        amdgpu_asic_flush_hdp(adev);
         amdgpu_gart_flush_gpu_tlb(adev, 0);
         return 0;
 }
@@ -329,6 +330,7 @@ int amdgpu_gart_bind(struct amdgpu_device *adev, uint64_t offset,
                 return r;
 
         mb();
+        amdgpu_asic_flush_hdp(adev);
         amdgpu_gart_flush_gpu_tlb(adev, 0);
         return 0;
 }