In the TypeC TBT-alt port mode we must use the TBT AUX power domain,
fix that.

Cc: Manasi Navare <manasi.d.nav...@intel.com>
Cc: Anusha Srivatsa <anusha.sriva...@intel.com>
Signed-off-by: Imre Deak <imre.d...@intel.com>
---
 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

_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx

Reply via email to