drm/amdgpu: remove the exclusive lock
Finally getting rid of it.
Signed-off-by: Christian König <christian.koenig@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
index 4010aa6..1fadc15 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c
@@ -260,16 +260,8 @@
lockup_work.work);
ring = fence_drv->ring;
- if (!down_read_trylock(&ring->adev->exclusive_lock)) {
- /* just reschedule the check if a reset is going on */
- amdgpu_fence_schedule_check(ring);
- return;
- }
-
- if (amdgpu_fence_activity(ring)) {
+ if (amdgpu_fence_activity(ring))
wake_up_all(&ring->fence_drv.fence_queue);
- }
- up_read(&ring->adev->exclusive_lock);
}
/**
@@ -317,18 +309,15 @@
{
struct amdgpu_fence *fence = to_amdgpu_fence(f);
struct amdgpu_ring *ring = fence->ring;
- struct amdgpu_device *adev = ring->adev;
if (atomic64_read(&ring->fence_drv.last_seq) >= fence->seq)
return true;
- if (down_read_trylock(&adev->exclusive_lock)) {
- amdgpu_fence_process(ring);
- up_read(&adev->exclusive_lock);
+ amdgpu_fence_process(ring);
- if (atomic64_read(&ring->fence_drv.last_seq) >= fence->seq)
- return true;
- }
+ if (atomic64_read(&ring->fence_drv.last_seq) >= fence->seq)
+ return true;
+
return false;
}