From 1d3897e056d2ff2bb3b17e054aa75d36adacaacc Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Mon, 27 Jul 2015 15:40:35 +0200 Subject: [PATCH] drm/amdgpu: fix syncing to VM updates MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Christian König Reviewed-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_sync.c | 19 ++++++++++++++++--- 1 file 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; -- 2.20.1