drm/i915/mtl+: Don't enable the AUX_IO power for non-eDP port main links

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@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20221114122251.21327-10-imre.deak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
index 42f3960..0f1ec2a 100644 (file)
--- a/drivers/gpu/drm/i915/display/intel_ddi.c
+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -869,8 +869,9 @@ 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) ||
+                 intel_phy_is_tc(i915, phy)))
                return intel_aux_power_domain(dig_port);
        else
                return POWER_DOMAIN_INVALID;