diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fence.h')
-rw-r--r-- | drivers/gpu/drm/msm/msm_fence.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_fence.h b/drivers/gpu/drm/msm/msm_fence.h new file mode 100644 index 000000000000..6ddb81c2c366 --- /dev/null +++ b/drivers/gpu/drm/msm/msm_fence.h @@ -0,0 +1,43 @@ +/* + * Copyright (C) 2013-2016 Red Hat + * Author: Rob Clark <robdclark@gmail.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see <http://www.gnu.org/licenses/>. + */ + +#ifndef __MSM_FENCE_H__ +#define __MSM_FENCE_H__ + +#include "msm_drv.h" + +/* callback from wq once fence has passed: */ +struct msm_fence_cb { + struct work_struct work; + uint32_t fence; + void (*func)(struct msm_fence_cb *cb); +}; + +void __msm_fence_worker(struct work_struct *work); + +#define INIT_FENCE_CB(_cb, _func) do { \ + INIT_WORK(&(_cb)->work, __msm_fence_worker); \ + (_cb)->func = _func; \ + } while (0) + +int msm_wait_fence(struct drm_device *dev, uint32_t fence, + ktime_t *timeout, bool interruptible); +int msm_queue_fence_cb(struct drm_device *dev, + struct msm_fence_cb *cb, uint32_t fence); +void msm_update_fence(struct drm_device *dev, uint32_t fence); + +#endif |