From 19407fef3bf146e229173ba731ac56af5542cad6 Mon Sep 17 00:00:00 2001 From: Andrey Grodzovsky Date: Tue, 5 Dec 2017 08:03:13 -0500 Subject: [PATCH 2805/4131] drm/amdgpu: Fix amdgpu_sync_add_later to preserve explicit flag. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Andrey Grodzovsky Reviewed-by: Christian König --- drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 9 ++++++--- 1 file 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 2a30c3f..6313edc 100755 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c @@ -130,7 +130,7 @@ 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; @@ -139,6 +139,10 @@ 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; @@ -158,12 +162,11 @@ 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); -- 2.7.4