diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 31aa5d54fdf0..f752e04e7dd4 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -907,7 +907,7 @@ intel_ddi_main_link_aux_domain(struct intel_digital_port *dig_port, * instead of a specific AUX_IO_ reference without powering up any * extra wells. */ - if (intel_encoder_can_psr(&dig_port->base)) + if (intel_psr_needs_aux_io_power(&dig_port->base, crtc_state)) return intel_display_power_aux_io_domain(i915, dig_port->aux_ch); else if (DISPLAY_VER(i915) < 14 && (intel_crtc_has_dp_encoder(crtc_state) || diff --git a/drivers/gpu/drm/i915/display/intel_psr.c b/drivers/gpu/drm/i915/display/intel_psr.c index f25bdbbf080a..2b3df7560fa3 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.c +++ b/drivers/gpu/drm/i915/display/intel_psr.c @@ -183,6 +183,25 @@ bool intel_encoder_can_psr(struct intel_encoder *encoder) return false; } +bool intel_psr_needs_aux_io_power(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state) +{ + /* + * For PSR/PR modes only eDP requires the AUX IO power to be enabled whenever + * the output is enabled. For non-eDP outputs the main link is always + * on, hence it doesn't require the HW initiated AUX wake-up signaling used + * for eDP. + * + * TODO: + * - Consider leaving AUX IO disabled for eDP / PR as well, in case + * the ALPM with main-link off mode is not enabled. + * - Leave AUX IO enabled for DP / PR, once support for ALPM with + * main-link off mode is added for it and this mode gets enabled. + */ + return intel_crtc_has_type(crtc_state, INTEL_OUTPUT_EDP) && + intel_encoder_can_psr(encoder); +} + static bool psr_global_enabled(struct intel_dp *intel_dp) { struct intel_connector *connector = intel_dp->attached_connector; diff --git a/drivers/gpu/drm/i915/display/intel_psr.h b/drivers/gpu/drm/i915/display/intel_psr.h index 143e0595c097..c11a286eda2e 100644 --- a/drivers/gpu/drm/i915/display/intel_psr.h +++ b/drivers/gpu/drm/i915/display/intel_psr.h @@ -28,6 +28,8 @@ struct intel_plane_state; (intel_dp)->psr.source_panel_replay_support) bool intel_encoder_can_psr(struct intel_encoder *encoder); +bool intel_psr_needs_aux_io_power(struct intel_encoder *encoder, + const struct intel_crtc_state *crtc_state); void intel_psr_init_dpcd(struct intel_dp *intel_dp); void intel_psr_pre_plane_update(struct intel_atomic_state *state, struct intel_crtc *crtc);