On Mon, 5 Nov 2018 at 11:42, Robert Foss <robert.foss@xxxxxxxxxxxxx> wrote: > > When the execbuf call receives an in-fence it will get the dma_fence > related to that fence fd and wait on it before submitting the draw call. > > On the out-fence side we get fence returned by the submitted draw call > and attach it to a sync_file and send the sync_file fd to userspace. On > error -1 is returned to userspace. > > Signed-off-by: Gustavo Padovan <gustavo.padovan@xxxxxxxxxxxxx> > Signed-off-by: Robert Foss <robert.foss@xxxxxxxxxxxxx> > Suggested-by: Rob Herring <robh@xxxxxxxxxx> > Reviewed-by: Emil Velikov <emil.velikov@xxxxxxxxxxxxx> > --- > > Changes since v3: > - Move all in_fence handling to the same VIRTGPU_EXECBUF_FENCE_FD_IN block Fwiw my suggestion was to explicitly document whether the IOCTL can support, simultaneously, IN and OUT fence. Merging the two patches makes things a bit meh. But as before - it's for Gerd to make the final call. -Emil _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization