Re: [PATCH v4 9/9] drm/i915/mtl+: Don't enable the AUX_IO power for non-eDP port main links

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On Thu, Nov 17, 2022 at 03:24:51PM +0200, Ville Syrjälä wrote:
> On Mon, Nov 14, 2022 at 02:22:51PM +0200, Imre Deak wrote:
> > MTL+ requires the AUX_IO power for the main link only on eDP, so don't
> > enable it in other cases.
> > 
> > v2:
> > - Rebased on checking intel_encoder_can_psr() instead of crtc->has_psr.
> > 
> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
> > Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
> > ---
> >  drivers/gpu/drm/i915/display/intel_ddi.c | 5 +++--
> >  1 file changed, 3 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
> > index 0231b273e1673..9bf303e166e1a 100644
> > --- a/drivers/gpu/drm/i915/display/intel_ddi.c
> > +++ b/drivers/gpu/drm/i915/display/intel_ddi.c
> > @@ -868,8 +868,9 @@ intel_ddi_main_link_aux_domain(struct intel_digital_port *dig_port,
> >  	 */
> >  	if (intel_encoder_can_psr(&dig_port->base))
> >  		return intel_display_power_aux_io_domain(i915, dig_port->aux_ch);
> > -	else if (intel_crtc_has_dp_encoder(crtc_state) ||
> > -		 intel_phy_is_tc(i915, phy))
> > +	else if (DISPLAY_VER(i915) < 14 &&
> > +		 (intel_crtc_has_dp_encoder(crtc_state) ||
> 
> You want to keep that for now, and maybe remove later I guess?

Yes, according to
https://lore.kernel.org/intel-gfx/20221107170917.3566758-5-imre.deak@xxxxxxxxx/T/#m49ef1ce586700e1

> Series looks OK to me.
> Reviewed-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

Thanks.

> 
> > +		  intel_phy_is_tc(i915, phy)))
> >  		return intel_aux_power_domain(dig_port);
> >  	else
> >  		return POWER_DOMAIN_INVALID;
> > -- 
> > 2.37.1
> 
> -- 
> Ville Syrjälä
> Intel



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