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drm/amdgpu: allow for more flexible priority handling

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Allow to call amdgpu_ring_priority_get() after pushing the ring to the
scheduler.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2018-07-16 13:47:34 +02:00 committed by Alex Deucher
parent e6d5752080
commit 9d46f32bdd
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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@ -211,7 +211,8 @@ void amdgpu_ring_priority_get(struct amdgpu_ring *ring,
if (!ring->funcs->set_priority)
return;
atomic_inc(&ring->num_jobs[priority]);
if (atomic_inc_return(&ring->num_jobs[priority]) <= 0)
return;
mutex_lock(&ring->priority_mutex);
if (priority <= ring->priority)