diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_tc.c')
-rw-r--r-- | drivers/gpu/drm/i915/display/intel_tc.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index dbd7d0d83a14..7784c30fe893 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -691,6 +691,8 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port) { struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev); struct intel_encoder *encoder = &dig_port->base; + intel_wakeref_t tc_cold_wref; + enum intel_display_power_domain domain; int active_links = 0; mutex_lock(&dig_port->tc_lock); @@ -702,12 +704,11 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port) drm_WARN_ON(&i915->drm, dig_port->tc_mode != TC_PORT_DISCONNECTED); drm_WARN_ON(&i915->drm, dig_port->tc_lock_wakeref); - if (active_links) { - enum intel_display_power_domain domain; - intel_wakeref_t tc_cold_wref = tc_cold_block(dig_port, &domain); - dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port); + tc_cold_wref = tc_cold_block(dig_port, &domain); + dig_port->tc_mode = intel_tc_port_get_current_mode(dig_port); + if (active_links) { if (!icl_tc_phy_is_connected(dig_port)) drm_dbg_kms(&i915->drm, "Port %s: PHY disconnected with %d active link(s)\n", @@ -716,10 +717,23 @@ void intel_tc_port_sanitize(struct intel_digital_port *dig_port) dig_port->tc_lock_wakeref = tc_cold_block(dig_port, &dig_port->tc_lock_power_domain); - - tc_cold_unblock(dig_port, domain, tc_cold_wref); + } else { + /* + * TBT-alt is the default mode in any case the PHY ownership is not + * held (regardless of the sink's connected live state), so + * we'll just switch to disconnected mode from it here without + * a note. + */ + if (dig_port->tc_mode != TC_PORT_TBT_ALT) + drm_dbg_kms(&i915->drm, + "Port %s: PHY left in %s mode on disabled port, disconnecting it\n", + dig_port->tc_port_name, + tc_port_mode_name(dig_port->tc_mode)); + icl_tc_phy_disconnect(dig_port); } + tc_cold_unblock(dig_port, domain, tc_cold_wref); + drm_dbg_kms(&i915->drm, "Port %s: sanitize mode (%s)\n", dig_port->tc_port_name, tc_port_mode_name(dig_port->tc_mode)); |