> > > +/* If ->gpu_access is 0, the BO is idle, and if the
> > > WRITE flag
> > > + * is cleared, that means we only have readers.
> > > + */
> > > +if (!bo->gpu_access)
> > > +return true;
> > > +
On Mon, 16 Sep 2019 10:05:52 -0400
Alyssa Rosenzweig wrote:
> > +/* If ->gpu_access is 0, the BO is idle, and if the WRITE
> > flag
> > + * is cleared, that means we only have readers.
> > + */
> > +if (!bo->gpu_access)
> > +
> +/* If ->gpu_access is 0, the BO is idle, and if the WRITE
> flag
> + * is cleared, that means we only have readers.
> + */
> +if (!bo->gpu_access)
> +return true;
> +else if (!(access_type &
This way we can avoid calling ioctl(WAIT_BO) when we already know the
BO is idle because it hasn't been touched by a GPU job or because the
previous call to panfrost_bo_wait() returned true.
Signed-off-by: Boris Brezillon
---
src/gallium/drivers/panfrost/pan_bo.c | 40 +++---
