Re: [PATCH v6 0/3] Add sync object UAPI support to VirtIO-GPU driver

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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,

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