On Tue, 2022-03-15 at 15:27 +0200, Ville Syrjala wrote: > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > Schedule the DRRS downclock work already from intel_drrs_enable() > instead of waiting around for a frontbuffer flush that may or > may not ever come. Reviewed-by: José Roberto de Souza <jose.souza@xxxxxxxxx> > > Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > --- > drivers/gpu/drm/i915/display/intel_drrs.c | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/drivers/gpu/drm/i915/display/intel_drrs.c b/drivers/gpu/drm/i915/display/intel_drrs.c > index f36394fd85be..8f9e0fde0c5a 100644 > --- a/drivers/gpu/drm/i915/display/intel_drrs.c > +++ b/drivers/gpu/drm/i915/display/intel_drrs.c > @@ -168,6 +168,11 @@ static void intel_drrs_set_state(struct intel_crtc *crtc, > crtc->drrs.refresh_rate = refresh_rate; > } > > +static void intel_drrs_schedule_work(struct intel_crtc *crtc) > +{ > + mod_delayed_work(system_wq, &crtc->drrs.work, msecs_to_jiffies(1000)); > +} > + > static unsigned int intel_drrs_frontbuffer_bits(const struct intel_crtc_state *crtc_state) > { > struct intel_crtc *crtc = to_intel_crtc(crtc_state->uapi.crtc); > @@ -200,6 +205,8 @@ void intel_drrs_enable(const struct intel_crtc_state *crtc_state) > crtc->drrs.frontbuffer_bits = intel_drrs_frontbuffer_bits(crtc_state); > crtc->drrs.busy_frontbuffer_bits = 0; > > + intel_drrs_schedule_work(crtc); > + > mutex_unlock(&crtc->drrs.mutex); > } > > @@ -299,8 +306,7 @@ static void intel_drrs_frontbuffer_update(struct drm_i915_private *dev_priv, > * other fbs are quiescent too > */ > if (!crtc->drrs.busy_frontbuffer_bits) > - mod_delayed_work(system_wq, &crtc->drrs.work, > - msecs_to_jiffies(1000)); > + intel_drrs_schedule_work(crtc); > else > cancel_delayed_work(&crtc->drrs.work); >