[PATCH 3/8] drm/i915: Init aux_ch for HDMI ports too

[Imre Deak]

>From ICL onwards DDI/TypeC ports - even in HDMI static mode - need to know
which AUX CH belongs to them, so initialize aux_ch for those ports too.
For consistency do this for all HDMI ports, not only for DDI/TypeC ones.

Cc: Paulo Zanoni <paulo.r.zanoni at intel.com>
Cc: Ville Syrjälä <ville.syrjala at linux.intel.com>
Signed-off-by: Imre Deak <imre.deak at intel.com>
---
 drivers/gpu/drm/i915/intel_ddi.c  | 1 +
 drivers/gpu/drm/i915/intel_dp.c   | 2 +-
 drivers/gpu/drm/i915/intel_hdmi.c | 1 +
 3 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index 32a080265d03..3739ef003819 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -3852,6 +3852,7 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port)
 			(DDI_BUF_PORT_REVERSAL | DDI_A_4_LANES);
 	intel_dig_port->dp.output_reg = INVALID_MMIO_REG;
 	intel_dig_port->max_lanes = intel_ddi_max_lanes(intel_dig_port);
+	intel_dig_port->aux_ch = intel_aux_ch(dev_priv, port);
 
 	switch (port) {
 	case PORT_A:
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 5530c604c694..6645c9faca9a 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1654,7 +1654,6 @@ intel_dp_aux_init(struct intel_dp *intel_dp)
 	struct intel_digital_port *dig_port = dp_to_dig_port(intel_dp);
 	struct intel_encoder *encoder = &dig_port->base;
 
-	dig_port->aux_ch = intel_aux_ch(dev_priv, encoder->port);
 	intel_dp->aux_power_domain = intel_aux_power_domain(intel_dp);
 
 	if (INTEL_GEN(dev_priv) >= 9) {
@@ -6706,6 +6705,7 @@ bool intel_dp_init(struct drm_i915_private *dev_priv,
 	if (port != PORT_A)
 		intel_infoframe_init(intel_dig_port);
 
+	intel_dig_port->aux_ch = intel_aux_ch(dev_priv, port);
 	if (!intel_dp_init_connector(intel_dig_port, intel_connector))
 		goto err_init_connector;
 
diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c
index 129b880bce64..b50c5497048a 100644
--- a/drivers/gpu/drm/i915/intel_hdmi.c
+++ b/drivers/gpu/drm/i915/intel_hdmi.c
@@ -2506,5 +2506,6 @@ void intel_hdmi_init(struct drm_i915_private *dev_priv,
 
 	intel_infoframe_init(intel_dig_port);
 
+	intel_dig_port->aux_ch = intel_aux_ch(dev_priv, port);
 	intel_hdmi_init_connector(intel_dig_port, intel_connector);
 }
-- 
2.13.2