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authorChunming Zhou <David1.Zhou@amd.com>2016-01-13 07:55:18 +0300
committerAlex Deucher <alexander.deucher@amd.com>2016-01-13 19:39:15 +0300
commit888c9e33e4c5a503285921046c621f7c73199d2f (patch)
tree326bf7e6700c5b4477401723c61ba1a7e1ed735c /drivers/gpu
parentf3b5cb3e68952d4a721cc733e03eeb5151dcaa1e (diff)
downloadlinux-888c9e33e4c5a503285921046c621f7c73199d2f.tar.xz
drm/amdgpu: fix lost sync_to if scheduler is enabled.
when scheduler is enabled, the semaphore isn't used at all. Signed-off-by: Chunming Zhou <David1.Zhou@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index dd005c336c97..181ce39ef5e5 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -293,7 +293,8 @@ int amdgpu_sync_rings(struct amdgpu_sync *sync,
fence = to_amdgpu_fence(sync->sync_to[i]);
/* check if we really need to sync */
- if (!amdgpu_fence_need_sync(fence, ring))
+ if (!amdgpu_enable_scheduler &&
+ !amdgpu_fence_need_sync(fence, ring))
continue;
/* prevent GPU deadlocks */
@@ -303,7 +304,7 @@ int amdgpu_sync_rings(struct amdgpu_sync *sync,
}
if (amdgpu_enable_scheduler || !amdgpu_enable_semaphores) {
- r = fence_wait(&fence->base, true);
+ r = fence_wait(sync->sync_to[i], true);
if (r)
return r;
continue;