On Mon, May 01, 2023 at 06:38:45PM +0300, Dmitry Osipenko wrote: > On 4/16/23 14:52, Dmitry Osipenko wrote: > > We have multiple Vulkan context types that are awaiting for the addition > > of the sync object DRM UAPI support to the VirtIO-GPU kernel driver: > > > > 1. Venus context > > 2. Native contexts (virtio-freedreno, virtio-intel, virtio-amdgpu) > > > > Mesa core supports DRM sync object UAPI, providing Vulkan drivers with a > > generic fencing implementation that we want to utilize. > > > > This patch adds initial sync objects support. It creates fundament for a > > further fencing improvements. Later on we will want to extend the VirtIO-GPU > > fencing API with passing fence IDs to host for waiting, it will be a new > > additional VirtIO-GPU IOCTL and more. Today we have several VirtIO-GPU context > > drivers in works that require VirtIO-GPU to support sync objects UAPI. > > > > The patch is heavily inspired by the sync object UAPI implementation of the > > MSM driver. > > Gerd, do you have any objections to merging this series? No objections. Can't spot any issues, but I also don't follow drm close enough to be able to review the sync object logic in detail. Acked-by: Gerd Hoffmann <kraxel@xxxxxxxxxx> take care, Gerd
