Hi Chris, On Sun, Mar 22, 2020 at 04:32:25PM +0000, Chris Wilson wrote: > Don't override our previous frequency we used after parking, and avoid > continually spiking back to the efficient frequency for mostly idle > workloads. Trust our ability to autotune across a workload switch. > > Signed-off-by: Chris Wilson <[email protected]> > Cc: Andi Shyti <[email protected]> > Cc: Lyude Paul <[email protected]> > --- > drivers/gpu/drm/i915/gt/intel_rps.c | 7 ++----- > 1 file changed, 2 insertions(+), 5 deletions(-) > > diff --git a/drivers/gpu/drm/i915/gt/intel_rps.c > b/drivers/gpu/drm/i915/gt/intel_rps.c > index 50884aeac49c..487c89593125 100644 > --- a/drivers/gpu/drm/i915/gt/intel_rps.c > +++ b/drivers/gpu/drm/i915/gt/intel_rps.c > @@ -187,10 +187,8 @@ static void gen5_rps_init(struct intel_rps *rps) > fmax, fmin, fstart); > > rps->min_freq = fmax; > + rps->efficient_freq = fstart; > rps->max_freq = fmin; > - > - rps->idle_freq = rps->min_freq; > - rps->cur_freq = rps->idle_freq; > } > > static unsigned long > @@ -726,7 +724,6 @@ void intel_rps_unpark(struct intel_rps *rps) > > WRITE_ONCE(rps->active, true); > > - freq = max(rps->cur_freq, rps->efficient_freq), > freq = clamp(freq, rps->min_freq_softlimit, rps->max_freq_softlimit); > intel_rps_set(rps, freq); > > @@ -1672,7 +1669,7 @@ void intel_rps_init(struct intel_rps *rps) > /* Finally allow us to boost to max by default */ > rps->boost_freq = rps->max_freq; > rps->idle_freq = rps->min_freq; > - rps->cur_freq = rps->idle_freq; > + rps->cur_freq = rps->efficient_freq; /* start in the middle */
right... thank you! Reviewed-by: Andi Shyti <[email protected]> Thanks, Andi _______________________________________________ Intel-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/intel-gfx
