[PATCH v2 07/23] drm/i915: Use the correct AUX power domain in TypeC TBT-alt mode

Imre Deak
2019-06-20T14:06:16Z

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

Cc: Manasi Navare <manasi.d.navare@intel.com>
Cc: Anusha Srivatsa <anusha.srivatsa@intel.com>
Cc: José Roberto de Souza <jose.souza@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
---
drivers/gpu/drm/i915/display/intel_display.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c
index 62a7a88b1c2e..d92f533a2cc2 100644
--- a/drivers/gpu/drm/i915/display/intel_display.c
+++ b/drivers/gpu/drm/i915/display/intel_display.c
@@ -6614,6 +6614,25 @@ 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;