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authorAndrey Grodzovsky <andrey.grodzovsky@amd.com>2017-12-05 16:03:13 +0300
committerAlex Deucher <alexander.deucher@amd.com>2017-12-07 19:48:56 +0300
commit54f539086ae8ed0297b02efb757b3be1a64a1cf2 (patch)
tree680d13ae753a19819acad44c7b86e39d0492327c /drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
parent9c606cd4117a3c45e04a6616b1a0dbeb18eeee62 (diff)
downloadlinux-54f539086ae8ed0297b02efb757b3be1a64a1cf2.tar.xz
drm/amdgpu: Fix amdgpu_sync_add_later to preserve explicit flag.
Signed-off-by: Andrey Grodzovsky <andrey.grodzovsky@amd.com> Reviewed-by: Christian König <christian.koenig@amd.com> Signed-off-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.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index ebe1ffbab0c1..bb79fd3f3c36 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -120,7 +120,7 @@ static void amdgpu_sync_keep_later(struct dma_fence **keep,
* Tries to add the fence to an existing hash entry. Returns true when an entry
* was found, false otherwise.
*/
-static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f)
+static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f, bool explicit)
{
struct amdgpu_sync_entry *e;
@@ -129,6 +129,10 @@ static bool amdgpu_sync_add_later(struct amdgpu_sync *sync, struct dma_fence *f)
continue;
amdgpu_sync_keep_later(&e->fence, f);
+
+ /* Preserve eplicit flag to not loose pipe line sync */
+ e->explicit |= explicit;
+
return true;
}
return false;
@@ -148,12 +152,11 @@ int amdgpu_sync_fence(struct amdgpu_device *adev, struct amdgpu_sync *sync,
if (!f)
return 0;
-
if (amdgpu_sync_same_dev(adev, f) &&
amdgpu_sync_get_owner(f) == AMDGPU_FENCE_OWNER_VM)
amdgpu_sync_keep_later(&sync->last_vm_update, f);
- if (amdgpu_sync_add_later(sync, f))
+ if (amdgpu_sync_add_later(sync, f, explicit))
return 0;
e = kmem_cache_alloc(amdgpu_sync_slab, GFP_KERNEL);