From a8bd1bec7c68dd5082012bcdd1d765e65b3ee05c Mon Sep 17 00:00:00 2001 From: =?utf8?q?Christian=20K=C3=B6nig?= Date: Thu, 3 Mar 2016 10:50:01 +0100 Subject: [PATCH] drm/amdgpu: sync to the active user on reusing a VMID MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Christian König Reviewed-by: Chunming Zhou Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index d9dc8be..364db7c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -188,6 +188,13 @@ int amdgpu_vm_grab_id(struct amdgpu_vm *vm, struct amdgpu_ring *ring, if (!is_later && owner == (long)id && pd_addr == id->pd_gpu_addr) { + r = amdgpu_sync_fence(ring->adev, sync, + id->mgr_id->active); + if (r) { + mutex_unlock(&adev->vm_manager.lock); + return r; + } + fence_put(id->mgr_id->active); id->mgr_id->active = fence_get(fence); -- 2.7.4