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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>
This commit is contained in:
Monk Liu 2017-01-24 18:33:22 +08:00 committed by Alex Deucher
parent ce137c04ff
commit f3972b531d
2 changed files with 4 additions and 0 deletions
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2
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.h
View File

@ -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;

2
drivers/gpu/drm/amd/amdgpu/gfx_v8_0.c
View File

@ -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;
}
}
}