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Commit f3972b53 authored by Monk Liu's avatar Monk Liu Committed by Alex Deucher
Browse files

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: default avatarMonk Liu <Monk.Liu@amd.com>
Reviewed-by: default avatarAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: default avatarAlex Deucher <alexander.deucher@amd.com>
parent ce137c04

drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h

+2 −0
Original line number Diff line number Diff line
@@ -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;

drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c

+2 −0
Original line number Diff line number Diff line
@@ -4596,6 +4596,8 @@ static void gfx_v8_0_cp_compute_fini(struct amdgpu_device *adev) 


			amdgpu_bo_unref(&ring->mqd_obj);

			ring->mqd_obj = NULL;

			ring->mqd_ptr = NULL;

			ring->mqd_gpu_addr = 0;

		}

	}

}