similar to: [virtio-dev] [PATCH v2 4/4] drm/virtio: Support virtgpu exported resources

On Wed, Mar 11, 2020 at 08:20:04PM +0900, David Stevens wrote: > Add support for UUID-based resource sharing mechanism to virtgpu. This > implements the new virtgpu commands and hooks them up to dma-buf's > get_uuid callback. > > Signed-off-by: David Stevens <stevensd at chromium.org> > --- > drivers/gpu/drm/virtio/virtgpu_drv.c | 3 ++ >

Hi, > + if (vgdev->has_resource_assign_uuid) { > + spin_lock(&vgdev->resource_export_lock); > + if (bo->uuid_state == UUID_NOT_INITIALIZED) { > + bo->uuid_state = UUID_INITIALIZING; > + needs_init = true; > + } > + spin_unlock(&vgdev->resource_export_lock); > + > + if (needs_init) { > + ret =

On Tue, Aug 18, 2020 at 10:37:41AM +0900, David Stevens wrote: > This patchset implements the current proposal for virtio cross-device > resource sharing [1]. It will be used to import virtio resources into > the virtio-video driver currently under discussion [2]. The patch > under consideration to add support in the virtio-video driver is [3]. > It uses the APIs from v3 of this

Signed-off-by: Gerd Hoffmann <kraxel at redhat.com> --- drivers/gpu/drm/virtio/virtgpu_drv.h | 2 +- drivers/gpu/drm/virtio/virtgpu_display.c | 11 +++++++---- drivers/gpu/drm/virtio/virtgpu_kms.c | 6 +++++- 3 files changed, 13 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/virtio/virtgpu_drv.h b/drivers/gpu/drm/virtio/virtgpu_drv.h index a52b7a39f286..55c34b4fc3e9

On Fri, May 15, 2020 at 04:26:15PM +0900, David Stevens wrote: > > > + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUID)) { > > > + vgdev->has_resource_assign_uuid = true; > > > + } > > > > > > Just a question: this relies on DMA bufs so I assume it is > > not really assumed to work when DMA API is bypassed,

On Mon, Jun 08, 2020 at 07:36:55PM +0900, David Stevens wrote: > On Mon, Jun 8, 2020 at 6:43 PM Michael S. Tsirkin <mst at redhat.com> wrote: > > > > On Fri, May 15, 2020 at 04:26:15PM +0900, David Stevens wrote: > > > > > + if (virtio_has_feature(vgdev->vdev, VIRTIO_GPU_F_RESOURCE_UUID)) { > > > > > +