drm/damdgpu:add new mqd member in ring
introduce a new mqd member in ring is for later usage.
we need keep a clean version of MQD for the purpose
of recovering compute rings from hang.
Signed-off-by: Monk Liu <Monk.Liu@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
index 2345b398..5785db8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
@@ -161,6 +161,8 @@ struct amdgpu_ring {
u32 pipe;
u32 queue;
struct amdgpu_bo *mqd_obj;
+ uint64_t mqd_gpu_addr;
+ struct vi_mqd *mqd_ptr;
u32 doorbell_index;
bool use_doorbell;
unsigned wptr_offs;