diff options
Diffstat (limited to 'drivers/gpu/drm/i915/display/intel_tc.c')
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_tc.c | 48 |
1 files changed, 20 insertions, 28 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index 4fa9ea695d51..59aad3e49f93 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -7,19 +7,18 @@ #include "i915_drv.h" #include "intel_tc.h" -static const char *tc_type_name(enum tc_port_type type) +static const char *tc_port_mode_name(enum tc_port_mode mode) { static const char * const names[] = { - [TC_PORT_UNKNOWN] = "unknown", + [TC_PORT_TBT_ALT] = "tbt-alt", + [TC_PORT_DP_ALT] = "dp-alt", [TC_PORT_LEGACY] = "legacy", - [TC_PORT_TYPEC] = "typec", - [TC_PORT_TBT] = "tbt", }; - if (WARN_ON(type >= ARRAY_SIZE(names))) - type = TC_PORT_UNKNOWN; + if (WARN_ON(mode >= ARRAY_SIZE(names))) + mode = TC_PORT_TBT_ALT; - return names[type]; + return names[mode]; } int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port) @@ -29,7 +28,7 @@ int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port) intel_wakeref_t wakeref; u32 lane_info; - if (tc_port == PORT_TC_NONE || dig_port->tc_type != TC_PORT_TYPEC) + if (dig_port->tc_mode != TC_PORT_DP_ALT) return 4; lane_info = 0; @@ -81,8 +80,8 @@ static bool icl_tc_phy_connect(struct intel_digital_port *dig_port) enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port); u32 val; - if (dig_port->tc_type != TC_PORT_LEGACY && - dig_port->tc_type != TC_PORT_TYPEC) + if (dig_port->tc_mode != TC_PORT_LEGACY && + dig_port->tc_mode != TC_PORT_DP_ALT) return true; val = I915_READ(PORT_TX_DFLEXDPPMS); @@ -106,7 +105,7 @@ static bool icl_tc_phy_connect(struct intel_digital_port *dig_port) * Now we have to re-check the live state, in case the port recently * became disconnected. Not necessary for legacy mode. */ - if (dig_port->tc_type == TC_PORT_TYPEC && + if (dig_port->tc_mode == TC_PORT_DP_ALT && !(I915_READ(PORT_TX_DFLEXDPSP) & TC_LIVE_STATE_TC(tc_port))) { DRM_DEBUG_KMS("TC PHY %d sudden disconnect.\n", tc_port); icl_tc_phy_disconnect(dig_port); @@ -125,15 +124,12 @@ void icl_tc_phy_disconnect(struct intel_digital_port *dig_port) struct drm_i915_private *dev_priv = to_i915(dig_port->base.base.dev); enum tc_port tc_port = intel_port_to_tc(dev_priv, dig_port->base.port); - if (dig_port->tc_type == TC_PORT_UNKNOWN) - return; - /* * TBT disconnection flow is read the live status, what was done in * caller. */ - if (dig_port->tc_type == TC_PORT_TYPEC || - dig_port->tc_type == TC_PORT_LEGACY) { + if (dig_port->tc_mode == TC_PORT_DP_ALT || + dig_port->tc_mode == TC_PORT_LEGACY) { u32 val; val = I915_READ(PORT_TX_DFLEXDPCSSS); @@ -143,9 +139,9 @@ void icl_tc_phy_disconnect(struct intel_digital_port *dig_port) DRM_DEBUG_KMS("Port %c TC type %s disconnected\n", port_name(dig_port->base.port), - tc_type_name(dig_port->tc_type)); + tc_port_mode_name(dig_port->tc_mode)); - dig_port->tc_type = TC_PORT_UNKNOWN; + dig_port->tc_mode = TC_PORT_TBT_ALT; } static void icl_update_tc_port_type(struct drm_i915_private *dev_priv, @@ -153,26 +149,22 @@ static void icl_update_tc_port_type(struct drm_i915_private *dev_priv, bool is_legacy, bool is_typec, bool is_tbt) { enum port port = intel_dig_port->base.port; - enum tc_port_type old_type = intel_dig_port->tc_type; + enum tc_port_mode old_mode = intel_dig_port->tc_mode; WARN_ON(is_legacy + is_typec + is_tbt != 1); if (is_legacy) - intel_dig_port->tc_type = TC_PORT_LEGACY; + intel_dig_port->tc_mode = TC_PORT_LEGACY; else if (is_typec) - intel_dig_port->tc_type = TC_PORT_TYPEC; + intel_dig_port->tc_mode = TC_PORT_DP_ALT; else if (is_tbt) - intel_dig_port->tc_type = TC_PORT_TBT; + intel_dig_port->tc_mode = TC_PORT_TBT_ALT; else return; - /* Types are not supposed to be changed at runtime. */ - WARN_ON(old_type != TC_PORT_UNKNOWN && - old_type != intel_dig_port->tc_type); - - if (old_type != intel_dig_port->tc_type) + if (old_mode != intel_dig_port->tc_mode) DRM_DEBUG_KMS("Port %c has TC type %s\n", port_name(port), - tc_type_name(intel_dig_port->tc_type)); + tc_port_mode_name(intel_dig_port->tc_mode)); } /* |