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Date: Sat, 3 Mar 2018 22:24:47 +0000
From: Sasha Levin <Alexander.Levin@...rosoft.com>
To: "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"stable@...r.kernel.org" <stable@...r.kernel.org>
CC: Christian König <christian.koenig@....com>,
Alex Deucher <alexander.deucher@....com>,
Sasha Levin <Alexander.Levin@...rosoft.com>
Subject: [PATCH AUTOSEL for 4.15 066/102] drm/amdgpu: fix amdgpu_sync_resv v2
From: Christian König <christian.koenig@....com>
[ Upstream commit d4b7648d6d1774f961f3f6a758d9b009f1f34f05 ]
Fixes a bug introduced by AMDGPU_GEM_CREATE_EXPLICIT_SYNC. We still need
to wait for pipelined moves in the shared fences list.
v2: fix typo
Signed-off-by: Christian König <christian.koenig@....com>
Reviewed-by: Andres Rodriguez <andresx7@...il.com>
Signed-off-by: Alex Deucher <alexander.deucher@....com>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
index a4bf21f8f1c1..bbbc40d630a0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -191,9 +191,6 @@ int amdgpu_sync_resv(struct amdgpu_device *adev,
f = reservation_object_get_excl(resv);
r = amdgpu_sync_fence(adev, sync, f);
- if (explicit_sync)
- return r;
-
flist = reservation_object_get_list(resv);
if (!flist || r)
return r;
@@ -212,11 +209,11 @@ int amdgpu_sync_resv(struct amdgpu_device *adev,
(fence_owner == AMDGPU_FENCE_OWNER_VM)))
continue;
- /* Ignore fence from the same owner as
+ /* Ignore fence from the same owner and explicit one as
* long as it isn't undefined.
*/
if (owner != AMDGPU_FENCE_OWNER_UNDEFINED &&
- fence_owner == owner)
+ (fence_owner == owner || explicit_sync))
continue;
}
--
2.14.1
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