On Thu, Dec 14, 2017 at 08:09:21PM +, Chris Wilson wrote:
> Quoting Chris Wilson (2017-12-07 09:41:26)
> > As the system may use a partial vma for a GGTT mmap, access via the GGTT
> > mmap is not guaranteed to be tracked by FBC's fence. The rule expressed has
> > been that any access to the fro
Quoting Chris Wilson (2017-12-07 09:41:26)
> As the system may use a partial vma for a GGTT mmap, access via the GGTT
> mmap is not guaranteed to be tracked by FBC's fence. The rule expressed has
> been that any access to the frontbuffer should be followed by a fb-dirty
> ioctl, so always apply and
As the system may use a partial vma for a GGTT mmap, access via the GGTT
mmap is not guaranteed to be tracked by FBC's fence. The rule expressed has
been that any access to the frontbuffer should be followed by a fb-dirty
ioctl, so always apply and expect the driver to ellide no-ops.
Signed-off-by