search for: virgl_drm_winsys

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2019 Feb 01
0
[PATCH v2 5/6] drm/virtio: drop fencing in virtio_gpu_resource_create_ioctl
...ce fd for the execbuffer, which you can also use to wait for completion in case your kernel is new enough. > From the guest driver perspective, a fence is just implemented has a > virtio 3D resource. > > https://gitlab.freedesktop.org/mesa/mesa/blob/master/src/gallium/winsys/virgl/drm/virgl_drm_winsys.c#L787 > > The DRM_IOCTL_VIRTGPU_WAIT ioctl essentially waits for the reservation > objects associated with that fence resource to become available. So > the flow is: > > virtio_gpu_execbuffer_ioctl > virtio_gpu_resource_create_ioctl with fence resource > virtio_gpu_wait_...