On Fri, Apr 28, 2023 at 09:44:53AM +0100, Tvrtko Ursulin wrote: > > On 28/04/2023 09:14, Tvrtko Ursulin wrote: > > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > > > User feedback indicates significant performance gains are possible in > > specific games with non default RPS up/down thresholds. > > > > Expose these tunables via sysfs which will allow users to achieve best > > performance when running games and best power efficiency elsewhere. > > > > Note this patch supports non GuC based platforms only. > > > > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > References: https://gitlab.freedesktop.org/drm/intel/-/issues/8389 > > [snip] > > > diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c b/drivers/gpu/drm/i915/gt/intel_rps.c > > index a5a7315f5ace..f790e81546ff 100644 > > --- a/drivers/gpu/drm/i915/gt/intel_rps.c > > +++ b/drivers/gpu/drm/i915/gt/intel_rps.c > > @@ -2588,7 +2588,12 @@ static int rps_set_threshold(struct intel_rps *rps, u8 *threshold, u8 val) > > ret = mutex_lock_interruptible(&rps->lock); > > if (ret) > > return ret; > > - *threshold = val; > > + if (*threshold != val) { > > + *threshold = val; > > + intel_rps_set(rps, clamp(rps->cur_freq, > > + rps->min_freq_softlimit, > > + rps->max_freq_softlimit)); > > + } > > mutex_unlock(&rps->lock); > > return 0; > > This hunk belongs to a previous patch - moved locally. I probably missed something then becuase I didn't miss this in any of the previous patches. To the point that this looked like a new separated patch. > > Regards, > > Tvrtko
