[PATCH libdrm 4/7] add timeline signal/transfer ioctls v2

[Lionel Landwerlin]

On 13/05/2019 10:53, Chunming Zhou wrote:
> v2: use one transfer ioctl
>
> Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
> ---
>   xf86drm.c | 33 +++++++++++++++++++++++++++++++++
>   xf86drm.h |  6 ++++++
>   2 files changed, 39 insertions(+)
>
> diff --git a/xf86drm.c b/xf86drm.c
> index 17e3d880..acd16fab 100644
> --- a/xf86drm.c
> +++ b/xf86drm.c
> @@ -4257,6 +4257,21 @@ drm_public int drmSyncobjSignal(int fd, const uint32_t *handles,
>       return ret;
>   }
>   
> +drm_public int drmSyncobjTimelineSignal(int fd, const uint32_t *handles,
> +					uint64_t *points, uint32_t handle_count)
> +{
> +    struct drm_syncobj_timeline_array args;
> +    int ret;
> +
> +    memclear(args);
> +    args.handles = (uintptr_t)handles;
> +    args.points = (uint64_t)(uintptr_t)points;


I think you can drop the uint64_t cast.


> +    args.count_handles = handle_count;
> +
> +    ret = drmIoctl(fd, DRM_IOCTL_SYNCOBJ_TIMELINE_SIGNAL, &args);
> +    return ret;
> +}
> +
>   drm_public int drmSyncobjTimelineWait(int fd, uint32_t *handles, uint64_t *points,
>   				      unsigned num_handles,
>   				      int64_t timeout_nsec, unsigned flags,
> @@ -4299,4 +4314,22 @@ drm_public int drmSyncobjQuery(int fd, uint32_t *handles, uint64_t *points,
>       return 0;
>   }
>   
> +drm_public int drmSyncobjTransfer(int fd,
> +				  uint32_t dst_handle, uint64_t dst_point,
> +				  uint32_t src_handle, uint64_t src_point,
> +				  uint32_t flags)
> +{
> +    struct drm_syncobj_transfer args;
> +    int ret;
> +
> +    memclear(args);
> +    args.src_handle = src_handle;
> +    args.dst_handle = dst_handle;
> +    args.src_point = src_point;
> +    args.dst_point = dst_point;
> +    args.flags = flags;
> +
> +    ret = drmIoctl(fd, DRM_IOCTL_SYNCOBJ_TRANSFER, &args);
>   
> +    return ret;
> +}
> diff --git a/xf86drm.h b/xf86drm.h
> index 60c7a84f..3fb1d1ca 100644
> --- a/xf86drm.h
> +++ b/xf86drm.h
> @@ -876,12 +876,18 @@ extern int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
>   			  uint32_t *first_signaled);
>   extern int drmSyncobjReset(int fd, const uint32_t *handles, uint32_t handle_count);
>   extern int drmSyncobjSignal(int fd, const uint32_t *handles, uint32_t handle_count);
> +extern int drmSyncobjTimelineSignal(int fd, const uint32_t *handles,
> +				    uint64_t *points, uint32_t handle_count);
>   extern int drmSyncobjTimelineWait(int fd, uint32_t *handles, uint64_t *points,
>   				  unsigned num_handles,
>   				  int64_t timeout_nsec, unsigned flags,
>   				  uint32_t *first_signaled);
>   extern int drmSyncobjQuery(int fd, uint32_t *handles, uint64_t *points,
>   			   uint32_t handle_count);
> +extern int drmSyncobjTransfer(int fd,
> +			      uint32_t dst_handle, uint64_t dst_point,
> +			      uint32_t src_handle, uint64_t src_point,
> +			      uint32_t flags);
>   
>   #if defined(__cplusplus)
>   }