In the TypeC TBT-alt port mode we must use the TBT AUX power domain,
fix that.
Cc: Manasi Navare <manasi.d.navare@xxxxxxxxx>
Cc: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx>
Signed-off-by: Imre Deak <imre.deak@xxxxxxxxx>
---
drivers/gpu/drm/i915/intel_display.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index 26474788b7b2..0e425a6eebf3 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -6609,6 +6609,25 @@ enum intel_display_power_domain intel_port_to_power_domain(enum port port)
enum intel_display_power_domain
intel_aux_power_domain(struct intel_digital_port *dig_port)
{
+ struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev);
+
+ if (intel_port_is_tc(dev_priv, dig_port->base.port) &&
+ dig_port->tc_mode == TC_PORT_TBT_ALT) {
+ switch (dig_port->aux_ch) {
+ case AUX_CH_C:
+ return POWER_DOMAIN_AUX_TBT1;
+ case AUX_CH_D:
+ return POWER_DOMAIN_AUX_TBT2;
+ case AUX_CH_E:
+ return POWER_DOMAIN_AUX_TBT3;
+ case AUX_CH_F:
+ return POWER_DOMAIN_AUX_TBT4;
+ default:
+ MISSING_CASE(dig_port->aux_ch);
+ return POWER_DOMAIN_AUX_TBT1;
+ }
+ }
+
switch (dig_port->aux_ch) {
case AUX_CH_A:
return POWER_DOMAIN_AUX_A;
--
2.17.1
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