The aux power domain only makes sense in the DP code. Storing it in
struct intel_dp avoids some indirection.

Signed-off-by: Ander Conselvan de Oliveira 
<ander.conselvan.de.olive...@intel.com>
---
 drivers/gpu/drm/i915/intel_display.c | 50 -----------------------------
 drivers/gpu/drm/i915/intel_dp.c      | 61 ++++++++++++++----------------------
 drivers/gpu/drm/i915/intel_drv.h     |  3 +-
 3 files changed, 24 insertions(+), 90 deletions(-)

diff --git a/drivers/gpu/drm/i915/intel_display.c 
b/drivers/gpu/drm/i915/intel_display.c
index 88689a0..f89372f 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -5649,26 +5649,6 @@ static enum intel_display_power_domain 
port_to_power_domain(enum port port)
        }
 }
 
-static enum intel_display_power_domain port_to_aux_power_domain(enum port port)
-{
-       switch (port) {
-       case PORT_A:
-               return POWER_DOMAIN_AUX_A;
-       case PORT_B:
-               return POWER_DOMAIN_AUX_B;
-       case PORT_C:
-               return POWER_DOMAIN_AUX_C;
-       case PORT_D:
-               return POWER_DOMAIN_AUX_D;
-       case PORT_E:
-               /* FIXME: Check VBT for actual wiring of PORT E */
-               return POWER_DOMAIN_AUX_D;
-       default:
-               MISSING_CASE(port);
-               return POWER_DOMAIN_AUX_A;
-       }
-}
-
 enum intel_display_power_domain
 intel_display_port_power_domain(struct intel_encoder *intel_encoder)
 {
@@ -5696,36 +5676,6 @@ intel_display_port_power_domain(struct intel_encoder 
*intel_encoder)
        }
 }
 
-enum intel_display_power_domain
-intel_display_port_aux_power_domain(struct intel_encoder *intel_encoder)
-{
-       struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
-       struct intel_digital_port *intel_dig_port;
-
-       switch (intel_encoder->type) {
-       case INTEL_OUTPUT_UNKNOWN:
-       case INTEL_OUTPUT_HDMI:
-               /*
-                * Only DDI platforms should ever use these output types.
-                * We can get here after the HDMI detect code has already set
-                * the type of the shared encoder. Since we can't be sure
-                * what's the status of the given connectors, play safe and
-                * run the DP detection too.
-                */
-               WARN_ON_ONCE(!HAS_DDI(dev_priv));
-       case INTEL_OUTPUT_DP:
-       case INTEL_OUTPUT_EDP:
-               intel_dig_port = enc_to_dig_port(&intel_encoder->base);
-               return port_to_aux_power_domain(intel_dig_port->port);
-       case INTEL_OUTPUT_DP_MST:
-               intel_dig_port = enc_to_mst(&intel_encoder->base)->primary;
-               return port_to_aux_power_domain(intel_dig_port->port);
-       default:
-               MISSING_CASE(intel_encoder->type);
-               return POWER_DOMAIN_AUX_A;
-       }
-}
-
 static unsigned long get_crtc_power_domains(struct drm_crtc *crtc,
                                            struct intel_crtc_state *crtc_state)
 {
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 5231965..06f18c0 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -396,14 +396,12 @@ static void pps_lock(struct intel_dp *intel_dp)
        struct intel_encoder *encoder = &intel_dig_port->base;
        struct drm_device *dev = encoder->base.dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       enum intel_display_power_domain power_domain;
 
        /*
         * See vlv_power_sequencer_reset() why we need
         * a power domain reference here.
         */
-       power_domain = intel_display_port_aux_power_domain(encoder);
-       intel_display_power_get(dev_priv, power_domain);
+       intel_display_power_get(dev_priv, intel_dp->aux_power_domain);
 
        mutex_lock(&dev_priv->pps_mutex);
 }
@@ -414,12 +412,10 @@ static void pps_unlock(struct intel_dp *intel_dp)
        struct intel_encoder *encoder = &intel_dig_port->base;
        struct drm_device *dev = encoder->base.dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       enum intel_display_power_domain power_domain;
 
        mutex_unlock(&dev_priv->pps_mutex);
 
-       power_domain = intel_display_port_aux_power_domain(encoder);
-       intel_display_power_put(dev_priv, power_domain);
+       intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
 }
 
 static void
@@ -2005,9 +2001,7 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
 {
        struct drm_device *dev = intel_dp_to_dev(intel_dp);
        struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
-       struct intel_encoder *intel_encoder = &intel_dig_port->base;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       enum intel_display_power_domain power_domain;
        u32 pp;
        i915_reg_t pp_stat_reg, pp_ctrl_reg;
        bool need_to_disable = !intel_dp->want_panel_vdd;
@@ -2023,8 +2017,7 @@ static bool edp_panel_vdd_on(struct intel_dp *intel_dp)
        if (edp_have_panel_vdd(intel_dp))
                return need_to_disable;
 
-       power_domain = intel_display_port_aux_power_domain(intel_encoder);
-       intel_display_power_get(dev_priv, power_domain);
+       intel_display_power_get(dev_priv, intel_dp->aux_power_domain);
 
        DRM_DEBUG_KMS("Turning eDP port %c VDD on\n",
                      port_name(intel_dig_port->port));
@@ -2082,8 +2075,6 @@ static void edp_panel_vdd_off_sync(struct intel_dp 
*intel_dp)
        struct drm_i915_private *dev_priv = to_i915(dev);
        struct intel_digital_port *intel_dig_port =
                dp_to_dig_port(intel_dp);
-       struct intel_encoder *intel_encoder = &intel_dig_port->base;
-       enum intel_display_power_domain power_domain;
        u32 pp;
        i915_reg_t pp_stat_reg, pp_ctrl_reg;
 
@@ -2113,8 +2104,7 @@ static void edp_panel_vdd_off_sync(struct intel_dp 
*intel_dp)
        if ((pp & PANEL_POWER_ON) == 0)
                intel_dp->panel_power_off_time = ktime_get_boottime();
 
-       power_domain = intel_display_port_aux_power_domain(intel_encoder);
-       intel_display_power_put(dev_priv, power_domain);
+       intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
 }
 
 static void edp_panel_vdd_work(struct work_struct *__work)
@@ -2227,11 +2217,8 @@ void intel_edp_panel_on(struct intel_dp *intel_dp)
 
 static void edp_panel_off(struct intel_dp *intel_dp)
 {
-       struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
-       struct intel_encoder *intel_encoder = &intel_dig_port->base;
        struct drm_device *dev = intel_dp_to_dev(intel_dp);
        struct drm_i915_private *dev_priv = to_i915(dev);
-       enum intel_display_power_domain power_domain;
        u32 pp;
        i915_reg_t pp_ctrl_reg;
 
@@ -2263,8 +2250,7 @@ static void edp_panel_off(struct intel_dp *intel_dp)
        wait_panel_off(intel_dp);
 
        /* We got a reference when we enabled the VDD. */
-       power_domain = intel_display_port_aux_power_domain(intel_encoder);
-       intel_display_power_put(dev_priv, power_domain);
+       intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
 }
 
 void intel_edp_panel_off(struct intel_dp *intel_dp)
@@ -4587,11 +4573,9 @@ intel_dp_long_pulse(struct intel_connector 
*intel_connector)
        struct intel_encoder *intel_encoder = &intel_dig_port->base;
        struct drm_device *dev = connector->dev;
        enum drm_connector_status status;
-       enum intel_display_power_domain power_domain;
        u8 sink_irq_vector = 0;
 
-       power_domain = intel_display_port_aux_power_domain(intel_encoder);
-       intel_display_power_get(to_i915(dev), power_domain);
+       intel_display_power_get(to_i915(dev), intel_dp->aux_power_domain);
 
        /* Can't disconnect eDP, but you can close the lid... */
        if (is_edp(intel_dp))
@@ -4688,7 +4672,7 @@ intel_dp_long_pulse(struct intel_connector 
*intel_connector)
        if (status != connector_status_connected && !intel_dp->is_mst)
                intel_dp_unset_edid(intel_dp);
 
-       intel_display_power_put(to_i915(dev), power_domain);
+       intel_display_power_put(to_i915(dev), intel_dp->aux_power_domain);
        return status;
 }
 
@@ -4716,7 +4700,6 @@ intel_dp_force(struct drm_connector *connector)
        struct intel_dp *intel_dp = intel_attached_dp(connector);
        struct intel_encoder *intel_encoder = &dp_to_dig_port(intel_dp)->base;
        struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
-       enum intel_display_power_domain power_domain;
 
        DRM_DEBUG_KMS("[CONNECTOR:%d:%s]\n",
                      connector->base.id, connector->name);
@@ -4725,12 +4708,11 @@ intel_dp_force(struct drm_connector *connector)
        if (connector->status != connector_status_connected)
                return;
 
-       power_domain = intel_display_port_aux_power_domain(intel_encoder);
-       intel_display_power_get(dev_priv, power_domain);
+       intel_display_power_get(dev_priv, intel_dp->aux_power_domain);
 
        intel_dp_set_edid(intel_dp);
 
-       intel_display_power_put(dev_priv, power_domain);
+       intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
 
        if (intel_encoder->type != INTEL_OUTPUT_EDP)
                intel_encoder->type = INTEL_OUTPUT_DP;
@@ -4965,7 +4947,6 @@ static void intel_edp_panel_vdd_sanitize(struct intel_dp 
*intel_dp)
        struct intel_digital_port *intel_dig_port = dp_to_dig_port(intel_dp);
        struct drm_device *dev = intel_dig_port->base.base.dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       enum intel_display_power_domain power_domain;
 
        lockdep_assert_held(&dev_priv->pps_mutex);
 
@@ -4979,8 +4960,7 @@ static void intel_edp_panel_vdd_sanitize(struct intel_dp 
*intel_dp)
         * indefinitely.
         */
        DRM_DEBUG_KMS("VDD left on by BIOS, adjusting state tracking\n");
-       power_domain = 
intel_display_port_aux_power_domain(&intel_dig_port->base);
-       intel_display_power_get(dev_priv, power_domain);
+       intel_display_power_get(dev_priv, intel_dp->aux_power_domain);
 
        edp_panel_vdd_schedule_off(intel_dp);
 }
@@ -5052,10 +5032,8 @@ enum irqreturn
 intel_dp_hpd_pulse(struct intel_digital_port *intel_dig_port, bool long_hpd)
 {
        struct intel_dp *intel_dp = &intel_dig_port->dp;
-       struct intel_encoder *intel_encoder = &intel_dig_port->base;
        struct drm_device *dev = intel_dig_port->base.base.dev;
        struct drm_i915_private *dev_priv = to_i915(dev);
-       enum intel_display_power_domain power_domain;
        enum irqreturn ret = IRQ_NONE;
 
        if (intel_dig_port->base.type != INTEL_OUTPUT_EDP &&
@@ -5083,8 +5061,7 @@ intel_dp_hpd_pulse(struct intel_digital_port 
*intel_dig_port, bool long_hpd)
                return IRQ_NONE;
        }
 
-       power_domain = intel_display_port_aux_power_domain(intel_encoder);
-       intel_display_power_get(dev_priv, power_domain);
+       intel_display_power_get(dev_priv, intel_dp->aux_power_domain);
 
        if (intel_dp->is_mst) {
                if (intel_dp_check_mst_status(intel_dp) == -EINVAL) {
@@ -5112,7 +5089,7 @@ intel_dp_hpd_pulse(struct intel_digital_port 
*intel_dig_port, bool long_hpd)
        ret = IRQ_HANDLED;
 
 put_power:
-       intel_display_power_put(dev_priv, power_domain);
+       intel_display_power_put(dev_priv, intel_dp->aux_power_domain);
 
        return ret;
 }
@@ -5903,27 +5880,35 @@ static bool intel_edp_init_connector(struct intel_dp 
*intel_dp,
        return false;
 }
 
+/* Set up the hotplug pin and aux power domain. */
 static void
 intel_dp_init_connector_port_info(struct intel_digital_port *intel_dig_port)
 {
        struct intel_encoder *encoder = &intel_dig_port->base;
+       struct intel_dp *intel_dp = &intel_dig_port->dp;
 
-       /* Set up the hotplug pin. */
        switch (intel_dig_port->port) {
        case PORT_A:
                encoder->hpd_pin = HPD_PORT_A;
+               intel_dp->aux_power_domain = POWER_DOMAIN_AUX_A;
                break;
        case PORT_B:
                encoder->hpd_pin = HPD_PORT_B;
+               intel_dp->aux_power_domain = POWER_DOMAIN_AUX_B;
                break;
        case PORT_C:
                encoder->hpd_pin = HPD_PORT_C;
+               intel_dp->aux_power_domain = POWER_DOMAIN_AUX_C;
                break;
        case PORT_D:
                encoder->hpd_pin = HPD_PORT_D;
+               intel_dp->aux_power_domain = POWER_DOMAIN_AUX_D;
                break;
        case PORT_E:
                encoder->hpd_pin = HPD_PORT_E;
+
+               /* FIXME: Check VBT for actual wiring of PORT E */
+               intel_dp->aux_power_domain = POWER_DOMAIN_AUX_D;
                break;
        default:
                MISSING_CASE(intel_dig_port->port);
@@ -6003,6 +5988,8 @@ intel_dp_init_connector(struct intel_digital_port 
*intel_dig_port,
        connector->interlace_allowed = true;
        connector->doublescan_allowed = 0;
 
+       intel_dp_init_connector_port_info(intel_dig_port);
+
        intel_dp_aux_init(intel_dp);
 
        INIT_DELAYED_WORK(&intel_dp->panel_vdd_work,
@@ -6015,8 +6002,6 @@ intel_dp_init_connector(struct intel_digital_port 
*intel_dig_port,
        else
                intel_connector->get_hw_state = intel_connector_get_hw_state;
 
-       intel_dp_init_connector_port_info(intel_dig_port);
-
        /* init MST on ports that can support it */
        if (HAS_DP_MST(dev_priv) && !is_edp(intel_dp) &&
            (port == PORT_B || port == PORT_C || port == PORT_D))
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index 393f243..41a69c2 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -940,6 +940,7 @@ struct intel_dp {
        /* sink or branch descriptor */
        struct intel_dp_desc desc;
        struct drm_dp_aux aux;
+       enum intel_display_power_domain aux_power_domain;
        uint8_t train_set[4];
        int panel_power_up_delay;
        int panel_power_down_delay;
@@ -1402,8 +1403,6 @@ void hsw_enable_ips(struct intel_crtc *crtc);
 void hsw_disable_ips(struct intel_crtc *crtc);
 enum intel_display_power_domain
 intel_display_port_power_domain(struct intel_encoder *intel_encoder);
-enum intel_display_power_domain
-intel_display_port_aux_power_domain(struct intel_encoder *intel_encoder);
 void intel_mode_from_pipe_config(struct drm_display_mode *mode,
                                 struct intel_crtc_state *pipe_config);
 
-- 
2.9.3

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