diff options
| author | Christian König <christian.koenig@amd.com> | 2019-01-10 16:48:23 +0100 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-03-19 15:36:58 -0500 |
| commit | 56753e73fb2ed232278eb69445cb72c6f54391c2 (patch) | |
| tree | 14fc98eeefe51b252a2c5171d87e2ba3ee54ae5d /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | |
| parent | 3119e7f43be172779019f282aed115b2ec0864fa (diff) | |
drm/amdgpu: wait for VM to become idle during flush
Make sure that not only the entities are flush, but that
we also wait for the HW to finish all processing.
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>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index a45ca5d2cfe9..8603c85985b5 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -2978,6 +2978,18 @@ void amdgpu_vm_adjust_size(struct amdgpu_device *adev, uint32_t min_vm_size, } /** + * amdgpu_vm_wait_idle - wait for the VM to become idle + * + * @vm: VM object to wait for + * @timeout: timeout to wait for VM to become idle + */ +long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout) +{ + return reservation_object_wait_timeout_rcu(vm->root.base.bo->tbo.resv, + true, true, timeout); +} + +/** * amdgpu_vm_init - initialize a vm instance * * @adev: amdgpu_device pointer |