openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

drm/amdgpu: sync to the active user on reusing a VMID 

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2016-03-03 10:50:01 +01:00 committed by Alex Deucher
parent 13459bd0fb
commit a8bd1bec7c
1 changed files with 7 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
View File

@ -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);