On Mon, Nov 05, 2018 at 05:25:05PM +0000, Emil Velikov wrote: > 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. Yes, that would be good. Code looks like it is supposed to work, but explicitly saying so in the commit message would be nice. Also: should we use separate fields for in/out fds? cheers, Gerd _______________________________________________ Virtualization mailing list Virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linuxfoundation.org/mailman/listinfo/virtualization
