[Intel-gfx] [PATCH igt 2/2] igt/kms_frontbuffer_tracking: Access via GGTT is not guaranteed to be tracked
Arkadiusz Hiler
arkadiusz.hiler at intel.com
Tue Dec 19 13:20:44 UTC 2017
On Thu, Dec 14, 2017 at 08:09:21PM +0000, 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 frontbuffer should be followed by a fb-dirty
> > ioctl, so always apply and expect the driver to ellide no-ops.
> >
> > Signed-off-by: Chris Wilson <chris at chris-wilson.co.uk>
>
> Ping?
Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler at intel.com>
on both. Pushed.
--
Cheers,
Arek
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