From: =?UTF-8?q?Christian=20K=C3=B6nig?= <christian.koenig@amd.com>
Date: Fri, 24 Nov 2017 11:41:52 +0100
Subject: drm/amdgpu: fix amdgpu_sync_resv v2
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Git-commit: d4b7648d6d1774f961f3f6a758d9b009f1f34f05
Patch-mainline: v4.16-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

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@amd.com>
Reviewed-by: Andres Rodriguez <andresx7@gmail.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c
@@ -194,9 +194,6 @@ int amdgpu_sync_resv(struct amdgpu_devic
 	f = reservation_object_get_excl(resv);
 	r = amdgpu_sync_fence(adev, sync, f, false);
 
-	if (explicit_sync)
-		return r;
-
 	flist = reservation_object_get_list(resv);
 	if (!flist || r)
 		return r;
@@ -215,11 +212,11 @@ int amdgpu_sync_resv(struct amdgpu_devic
 			     (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;
 		}