Messages in this thread | | | Date | Tue, 30 Oct 2018 07:11:27 +0100 | From | Gerd Hoffmann <> | Subject | Re: [PATCH 2/5] drm/virtio: add uapi for in and out explicit fences |
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Hi,
> The execbuffer IOCTL is now read-write to allow the userspace to read the > out-fence.
> #define DRM_IOCTL_VIRTGPU_EXECBUFFER \ > - DRM_IOW(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\ > + DRM_IOWR(DRM_COMMAND_BASE + DRM_VIRTGPU_EXECBUFFER,\ > struct drm_virtgpu_execbuffer)
That changes the ioctl number and breaks the userspace api.
cheers, Gerd
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