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authorChristian König <christian.koenig@amd.com>2018-01-31 16:03:19 +0100
committerAlex Deucher <alexander.deucher@amd.com>2018-02-19 14:19:18 -0500
commit3af81440a9b02e2c6e244539ee567063c3d62292 (patch)
tree869c184af030c2b386101e5f4b92200836ab74ca /drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
parent58592a095c981a002137221205411f538b9f0fb9 (diff)
drm/amdgpu: cache the fence to wait for a VMID
Beneficial when a lot of processes are waiting for VMIDs. 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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
index 13044e66dcaf..e223b0f6417b 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ring.c
@@ -360,6 +360,9 @@ void amdgpu_ring_fini(struct amdgpu_ring *ring)
amdgpu_debugfs_ring_fini(ring);
+ dma_fence_put(ring->vmid_wait);
+ ring->vmid_wait = NULL;
+
ring->adev->rings[ring->idx] = NULL;
}