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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/gpu/drm/msm/msm_fence.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/gpu/drm/msm/msm_fence.h')
-rw-r--r--drivers/gpu/drm/msm/msm_fence.h33
1 files changed, 33 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 000000000..2d9af66dc
--- /dev/null
+++ b/drivers/gpu/drm/msm/msm_fence.h
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2013-2016 Red Hat
+ * Author: Rob Clark <robdclark@gmail.com>
+ */
+
+#ifndef __MSM_FENCE_H__
+#define __MSM_FENCE_H__
+
+#include "msm_drv.h"
+
+struct msm_fence_context {
+ struct drm_device *dev;
+ char name[32];
+ unsigned context;
+ /* last_fence == completed_fence --> no pending work */
+ uint32_t last_fence; /* last assigned fence */
+ uint32_t completed_fence; /* last completed fence */
+ wait_queue_head_t event;
+ spinlock_t spinlock;
+};
+
+struct msm_fence_context * msm_fence_context_alloc(struct drm_device *dev,
+ const char *name);
+void msm_fence_context_free(struct msm_fence_context *fctx);
+
+int msm_wait_fence(struct msm_fence_context *fctx, uint32_t fence,
+ ktime_t *timeout, bool interruptible);
+void msm_update_fence(struct msm_fence_context *fctx, uint32_t fence);
+
+struct dma_fence * msm_fence_alloc(struct msm_fence_context *fctx);
+
+#endif