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

[Ville Syrjälä]

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 at linux.intel.com>
> Signed-off-by: Imre Deak <imre.deak at intel.com>
> ---
>  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?

Series looks OK to me.
Reviewed-by: Ville Syrjälä <ville.syrjala at linux.intel.com>

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

-- 
Ville Syrjälä
Intel