[PATCH 5/5] accel/ivpu: Mark 64 kB contiguous areas as contiguous in PTEs

Stanislaw Gruszka stanislaw.gruszka at linux.intel.com
Thu Jun 8 05:59:22 UTC 2023


On Thu, May 18, 2023 at 08:17:02AM -0600, Jeffrey Hugo wrote:
> On 5/18/2023 7:16 AM, Stanislaw Gruszka wrote:
> > From: Karol Wachowski <karol.wachowski at linux.intel.com>
> > 
> > Whenever KMD maps region larger than 64kB that is both aligned and
> > contiguous, set contiguous bit (52) in MMU PTE descriptor for each page
> > in that region.
> > 
> > This allows to treat 16 contiguous pages as one and reduce
> > number of MMU page walks required what results in lower latency.
> 
> what -> which

Fixed this and applied the set to drm-misc-next

Thanks
Stanislaw



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