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drm/amdgpu: cleanup amdgpu_ring_fini

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cleanup amdgpu_ring_fini to check the prerequisites before changing ring->sched.ready

Signed-off-by: Nirmoy Das <nirmoy.das@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nirmoy Das 2020-02-25 11:31:46 +01:00 committed by Alex Deucher
parent ef1caf48bd
commit 6f9f960472
1 changed files with 2 additions and 1 deletions
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3
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
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@ -351,12 +351,13 @@ int amdgpu_ring_init(struct amdgpu_device *adev, struct amdgpu_ring *ring,
*/
void amdgpu_ring_fini(struct amdgpu_ring *ring)
{
ring->sched.ready = false;
/* Not to finish a ring which is not initialized */
if (!(ring->adev) || !(ring->adev->rings[ring->idx]))
return;
ring->sched.ready = false;
amdgpu_device_wb_free(ring->adev, ring->rptr_offs);
amdgpu_device_wb_free(ring->adev, ring->wptr_offs);