we need to import/export timeline point
Signed-off-by: Chunming Zhou <david1.zhou@xxxxxxx>
---
drivers/gpu/drm/drm_internal.h | 4 +++
drivers/gpu/drm/drm_ioctl.c | 6 ++++
drivers/gpu/drm/drm_syncobj.c | 66 ++++++++++++++++++++++++++++++++++
include/uapi/drm/drm.h | 10 ++++++
4 files changed, 86 insertions(+)
diff --git a/drivers/gpu/drm/drm_internal.h b/drivers/gpu/drm/drm_internal.h
index dab4d5936441..ecbe3d51a702 100644
--- a/drivers/gpu/drm/drm_internal.h
+++ b/drivers/gpu/drm/drm_internal.h
@@ -176,6 +176,10 @@ int drm_syncobj_handle_to_fd_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_private);
int drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_private);
+int drm_syncobj_binary_to_timeline_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_private);
+int drm_syncobj_timeline_to_binary_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_private);
int drm_syncobj_wait_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_private);
int drm_syncobj_timeline_wait_ioctl(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 7578ef6dc1d1..6b417e3c3ea5 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -673,6 +673,12 @@ static const struct drm_ioctl_desc drm_ioctls[] = {
DRM_UNLOCKED|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_FD_TO_HANDLE, drm_syncobj_fd_to_handle_ioctl,
DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_BINARY_TO_TIMELINE,
+ drm_syncobj_binary_to_timeline_ioctl,
+ DRM_UNLOCKED|DRM_RENDER_ALLOW),
+ DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_TIMELINE_TO_BINARY,
+ drm_syncobj_timeline_to_binary_ioctl,
+ DRM_UNLOCKED|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_WAIT, drm_syncobj_wait_ioctl,
DRM_UNLOCKED|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF(DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT, drm_syncobj_timeline_wait_ioctl,
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index 282982e58dbd..cf4daa670252 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -670,6 +670,72 @@ drm_syncobj_fd_to_handle_ioctl(struct drm_device *dev, void *data,
&args->handle);
}
+int
+drm_syncobj_binary_to_timeline_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_private)
+{
+ struct drm_syncobj_transfer *args = data;
+ struct drm_syncobj *timeline_syncobj = NULL;
+ struct dma_fence *fence;
+ struct dma_fence_chain *chain;
+ int ret;
+
+ if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ))
+ return -ENODEV;
+
+ if (args->pad)
+ return -EINVAL;
+
+ timeline_syncobj = drm_syncobj_find(file_private, args->timeline_handle);
+ if (!timeline_syncobj) {
+ return -ENOENT;
+ }
+ ret = drm_syncobj_find_fence(file_private, args->binary_handle, 0, 0,
+ &fence);
+ if (ret)
+ goto err;
+ chain = kzalloc(sizeof(struct dma_fence_chain), GFP_KERNEL);
+ if (!chain)
+ goto err1;
+ drm_syncobj_add_point(timeline_syncobj, chain, fence, args->point);
+err1:
+ dma_fence_put(fence);
+err:
+ drm_syncobj_put(timeline_syncobj);
+
+ return ret;
+}
+
+int
+drm_syncobj_timeline_to_binary_ioctl(struct drm_device *dev, void *data,
+ struct drm_file *file_private)
+{
+ struct drm_syncobj_transfer *args = data;
+ struct drm_syncobj *binary_syncobj = NULL;
+ struct dma_fence *fence;
+ int ret;
+
+ if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ))
+ return -ENODEV;
+
+ if (args->pad)
+ return -EINVAL;
+
+ binary_syncobj = drm_syncobj_find(file_private, args->binary_handle);
+ if (!binary_syncobj)
+ return -ENOENT;
+ ret = drm_syncobj_find_fence(file_private, args->timeline_handle,
+ args->point, args->flags, &fence);
+ if (ret)
+ goto err;
+ drm_syncobj_replace_fence(binary_syncobj, fence);
+ dma_fence_put(fence);
+err:
+ drm_syncobj_put(binary_syncobj);
+
+ return ret;
+}
+
static void syncobj_wait_fence_func(struct dma_fence *fence,
struct dma_fence_cb *cb)
{
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index b2c36f2b2599..88d6129d4a18 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -735,6 +735,14 @@ struct drm_syncobj_handle {
__u32 pad;
};
+struct drm_syncobj_transfer {
+ __u32 binary_handle;
+ __u32 timeline_handle;
+ __u64 point;
+ __u32 flags;
+ __u32 pad;
+};
+
#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_ALL (1 << 0)
#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT (1 << 1)
#define DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE (1 << 2)
@@ -933,6 +941,8 @@ extern "C" {
#define DRM_IOCTL_SYNCOBJ_TIMELINE_WAIT DRM_IOWR(0xCA, struct drm_syncobj_timeline_wait)
#define DRM_IOCTL_SYNCOBJ_QUERY DRM_IOWR(0xCB, struct drm_syncobj_timeline_array)
+#define DRM_IOCTL_SYNCOBJ_BINARY_TO_TIMELINE DRM_IOWR(0xCC, struct drm_syncobj_transfer)
+#define DRM_IOCTL_SYNCOBJ_TIMELINE_TO_BINARY DRM_IOWR(0xCD, struct drm_syncobj_transfer)
/**
* Device specific ioctls should only be in their respective headers
--
2.17.1
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