Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> writes: > If there are no internal levels and the user priority-shift is zero, we > can help the compiler eliminate some dead code: > > Function old new delta > start_timeslice 169 154 -15 > __execlists_submission_tasklet 4696 4659 -37 > > Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> Reviewed-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/gt/intel_lrc.c | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c > index de5be57ed6d2..3214a4ecc31a 100644 > --- a/drivers/gpu/drm/i915/gt/intel_lrc.c > +++ b/drivers/gpu/drm/i915/gt/intel_lrc.c > @@ -446,6 +446,9 @@ static int queue_prio(const struct intel_engine_execlists *execlists) > * we have to flip the index value to become priority. > */ > p = to_priolist(rb); > + if (!I915_USER_PRIORITY_SHIFT) > + return p->priority; > + > return ((p->priority + 1) << I915_USER_PRIORITY_SHIFT) - ffs(p->used); > } > > -- > 2.20.1 > > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@xxxxxxxxxxxxxxxxxxxxx > https://lists.freedesktop.org/mailman/listinfo/intel-gfx _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
