summaryrefslogtreecommitdiffstats
path: root/drivers/gpu/drm/msm/msm_fence.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fence.h')
-rw-r--r--drivers/gpu/drm/msm/msm_fence.h43
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