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-rw-r--r--drivers/gpu/drm/i915/display/intel_display.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index d65a580fe527..6f93bedb331a 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -6610,6 +6610,25 @@ 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;