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(parent: e0d8f3c) | patch
drm/amdgpu: protect fence_process from multiple context
authorChunming Zhou <david1.zhou@amd.com>
Fri, 24 Jul 2015 02:49:47 +0000 (10:49 +0800)
committerAlex Deucher <alexander.deucher@amd.com>
Mon, 17 Aug 2015 20:50:38 +0000 (16:50 -0400)
commit176e1ab1b534368d0cd338a010aaea99067c3c6e
tree4a30358b9d603cf62eded5032665816ec3d2de97tree | snapshot (tar.gz zip)
parente0d8f3c34e54b7f7563360131e89be0d9405d436commit | diff
drm/amdgpu: protect fence_process from multiple context

fence_process may be called from kthread, user thread and interrupt context.
it is possible to called concurrently, then will wake up fence queue multiple times.

Signed-off-by: Chunming Zhou <david1.zhou@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
drivers/gpu/drm/amd/amdgpu/amdgpu.h diff | blob | blame | history
drivers/gpu/drm/amd/amdgpu/amdgpu_fence.c diff | blob | blame | history
drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c diff | blob | blame | history