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authorChristian König <christian.koenig@amd.com>2015-07-27 15:40:35 +0200
committerAlex Deucher <alexander.deucher@amd.com>2015-08-17 16:50:40 -0400
commit1d3897e056d2ff2bb3b17e054aa75d36adacaacc (patch)
tree967cf824e7531f9856e7f8a1bd8e9c496e45d9ed /drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
parentafe10081498fdf2c5b92c7fcc534e49544218fb9 (diff)
drm/amdgpu: fix syncing to VM updates
Signed-off-by: Christian König <christian.koenig@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index 105a3b515174..2c42f50912b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -122,11 +122,24 @@ int amdgpu_sync_resv(struct amdgpu_device *adev,
f = rcu_dereference_protected(flist->shared[i],
reservation_object_held(resv));
fence = f ? to_amdgpu_fence(f) : NULL;
- if (fence && fence->ring->adev == adev &&
- fence->owner == owner &&
- fence->owner != AMDGPU_FENCE_OWNER_UNDEFINED)
+ if (fence && fence->ring->adev == adev) {
+ /* VM updates are only interesting
+ * for other VM updates and moves.
+ */
+ if ((owner != AMDGPU_FENCE_OWNER_MOVE) &&
+ (fence->owner != AMDGPU_FENCE_OWNER_MOVE) &&
+ ((owner == AMDGPU_FENCE_OWNER_VM) !=
+ (fence->owner == AMDGPU_FENCE_OWNER_VM)))
continue;
+ /* Ignore fence from the same owner as
+ * long as it isn't undefined.
+ */
+ if (owner != AMDGPU_FENCE_OWNER_UNDEFINED &&
+ fence->owner == owner)
+ continue;
+ }
+
r = amdgpu_sync_fence(adev, sync, f);
if (r)
break;