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drm/i915/tc: Move TC port fields to a new intel_tc_port struct
authorImre Deak <imre.deak@intel.com>
Thu, 23 Mar 2023 14:20:11 +0000 (16:20 +0200)
committerImre Deak <imre.deak@intel.com>
Mon, 3 Apr 2023 08:35:30 +0000 (11:35 +0300)
Move the TC port specific fields from intel_digital_port to a new
intel_tc_port struct. Pass an intel_tc_port pointer to all static
functions in intel_tc.c keeping dig_port accessible for these via a
pointer stored in the new struct.

The next patch will allocate the intel_tc_port dynamically, allowing
moving the struct definition to intel_tc.c.

Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230323142035.1432621-6-imre.deak@intel.com
drivers/gpu/drm/i915/display/intel_display.h
drivers/gpu/drm/i915/display/intel_display_types.h
drivers/gpu/drm/i915/display/intel_tc.c
drivers/gpu/drm/i915/display/intel_tc.h

index 596fd3e..287159b 100644 (file)
@@ -164,13 +164,6 @@ enum tc_port {
        I915_MAX_TC_PORTS
 };
 
-enum tc_port_mode {
-       TC_PORT_DISCONNECTED,
-       TC_PORT_TBT_ALT,
-       TC_PORT_DP_ALT,
-       TC_PORT_LEGACY,
-};
-
 enum aux_ch {
        AUX_CH_NONE = -1,
 
index d84818f..3dfc8eb 100644 (file)
@@ -54,6 +54,7 @@
 #include "intel_display_power.h"
 #include "intel_dpll_mgr.h"
 #include "intel_wm_types.h"
+#include "intel_tc.h"
 
 struct drm_printer;
 struct __intel_global_objs_state;
@@ -1782,17 +1783,7 @@ struct intel_digital_port {
        intel_wakeref_t ddi_io_wakeref;
        intel_wakeref_t aux_wakeref;
 
-       struct mutex tc_lock;   /* protects the TypeC port mode */
-       intel_wakeref_t tc_lock_wakeref;
-       enum intel_display_power_domain tc_lock_power_domain;
-       struct delayed_work tc_disconnect_phy_work;
-       int tc_link_refcount;
-       bool tc_legacy_port:1;
-       char tc_port_name[8];
-       enum tc_port_mode tc_mode;
-       enum tc_port_mode tc_init_mode;
-       enum phy_fia tc_phy_fia;
-       u8 tc_phy_fia_idx;
+       struct intel_tc_port tc;
 
        /* protects num_hdcp_streams reference count, hdcp_port_data and hdcp_auth_status */
        struct mutex hdcp_mutex;
index 129e360..d6fc9c5 100644 (file)
@@ -15,9 +15,9 @@
 #include "intel_mg_phy_regs.h"
 #include "intel_tc.h"
 
-static u32 tc_phy_hpd_live_status(struct intel_digital_port *dig_port);
-static bool tc_phy_is_ready(struct intel_digital_port *dig_port);
-static bool tc_phy_take_ownership(struct intel_digital_port *dig_port, bool take);
+static u32 tc_phy_hpd_live_status(struct intel_tc_port *tc);
+static bool tc_phy_is_ready(struct intel_tc_port *tc);
+static bool tc_phy_take_ownership(struct intel_tc_port *tc, bool take);
 
 static const char *tc_port_mode_name(enum tc_port_mode mode)
 {
@@ -34,13 +34,24 @@ static const char *tc_port_mode_name(enum tc_port_mode mode)
        return names[mode];
 }
 
+static struct intel_tc_port *to_tc_port(struct intel_digital_port *dig_port)
+{
+       return &dig_port->tc;
+}
+
+static struct drm_i915_private *tc_to_i915(struct intel_tc_port *tc)
+{
+       return to_i915(tc->dig_port->base.base.dev);
+}
+
 static bool intel_tc_port_in_mode(struct intel_digital_port *dig_port,
                                  enum tc_port_mode mode)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
        enum phy phy = intel_port_to_phy(i915, dig_port->base.port);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
 
-       return intel_phy_is_tc(i915, phy) && dig_port->tc_mode == mode;
+       return intel_phy_is_tc(i915, phy) && tc->mode == mode;
 }
 
 bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port)
@@ -61,15 +72,17 @@ bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port)
 bool intel_tc_cold_requires_aux_pw(struct intel_digital_port *dig_port)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
 
-       return (DISPLAY_VER(i915) == 11 && dig_port->tc_legacy_port) ||
+       return (DISPLAY_VER(i915) == 11 && tc->legacy_port) ||
                IS_ALDERLAKE_P(i915);
 }
 
 static enum intel_display_power_domain
-tc_cold_get_power_domain(struct intel_digital_port *dig_port, enum tc_port_mode mode)
+tc_cold_get_power_domain(struct intel_tc_port *tc, enum tc_port_mode mode)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       struct intel_digital_port *dig_port = tc->dig_port;
 
        if (mode == TC_PORT_TBT_ALT || !intel_tc_cold_requires_aux_pw(dig_port))
                return POWER_DOMAIN_TC_COLD_OFF;
@@ -78,27 +91,27 @@ tc_cold_get_power_domain(struct intel_digital_port *dig_port, enum tc_port_mode
 }
 
 static intel_wakeref_t
-tc_cold_block_in_mode(struct intel_digital_port *dig_port, enum tc_port_mode mode,
+tc_cold_block_in_mode(struct intel_tc_port *tc, enum tc_port_mode mode,
                      enum intel_display_power_domain *domain)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
-       *domain = tc_cold_get_power_domain(dig_port, mode);
+       *domain = tc_cold_get_power_domain(tc, mode);
 
        return intel_display_power_get(i915, *domain);
 }
 
 static intel_wakeref_t
-tc_cold_block(struct intel_digital_port *dig_port, enum intel_display_power_domain *domain)
+tc_cold_block(struct intel_tc_port *tc, enum intel_display_power_domain *domain)
 {
-       return tc_cold_block_in_mode(dig_port, dig_port->tc_mode, domain);
+       return tc_cold_block_in_mode(tc, tc->mode, domain);
 }
 
 static void
-tc_cold_unblock(struct intel_digital_port *dig_port, enum intel_display_power_domain domain,
+tc_cold_unblock(struct intel_tc_port *tc, enum intel_display_power_domain domain,
                intel_wakeref_t wakeref)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
        /*
         * wakeref == -1, means some error happened saving save_depot_stack but
@@ -112,73 +125,76 @@ tc_cold_unblock(struct intel_digital_port *dig_port, enum intel_display_power_do
 }
 
 static void
-assert_tc_cold_blocked(struct intel_digital_port *dig_port)
+assert_tc_cold_blocked(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
        bool enabled;
 
        enabled = intel_display_power_is_enabled(i915,
-                                                tc_cold_get_power_domain(dig_port,
-                                                                         dig_port->tc_mode));
+                                                tc_cold_get_power_domain(tc,
+                                                                         tc->mode));
        drm_WARN_ON(&i915->drm, !enabled);
 }
 
 static enum intel_display_power_domain
-tc_port_power_domain(struct intel_digital_port *dig_port)
+tc_port_power_domain(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-       enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       enum tc_port tc_port = intel_port_to_tc(i915, tc->dig_port->base.port);
 
        return POWER_DOMAIN_PORT_DDI_LANES_TC1 + tc_port - TC_PORT_1;
 }
 
 static void
-assert_tc_port_power_enabled(struct intel_digital_port *dig_port)
+assert_tc_port_power_enabled(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
        drm_WARN_ON(&i915->drm,
-                   !intel_display_power_is_enabled(i915, tc_port_power_domain(dig_port)));
+                   !intel_display_power_is_enabled(i915, tc_port_power_domain(tc)));
 }
 
 u32 intel_tc_port_get_lane_mask(struct intel_digital_port *dig_port)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
        u32 lane_mask;
 
-       lane_mask = intel_de_read(i915, PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia));
+       lane_mask = intel_de_read(i915, PORT_TX_DFLEXDPSP(tc->phy_fia));
 
        drm_WARN_ON(&i915->drm, lane_mask == 0xffffffff);
-       assert_tc_cold_blocked(dig_port);
+       assert_tc_cold_blocked(tc);
 
-       lane_mask &= DP_LANE_ASSIGNMENT_MASK(dig_port->tc_phy_fia_idx);
-       return lane_mask >> DP_LANE_ASSIGNMENT_SHIFT(dig_port->tc_phy_fia_idx);
+       lane_mask &= DP_LANE_ASSIGNMENT_MASK(tc->phy_fia_idx);
+       return lane_mask >> DP_LANE_ASSIGNMENT_SHIFT(tc->phy_fia_idx);
 }
 
 u32 intel_tc_port_get_pin_assignment_mask(struct intel_digital_port *dig_port)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
        u32 pin_mask;
 
-       pin_mask = intel_de_read(i915, PORT_TX_DFLEXPA1(dig_port->tc_phy_fia));
+       pin_mask = intel_de_read(i915, PORT_TX_DFLEXPA1(tc->phy_fia));
 
        drm_WARN_ON(&i915->drm, pin_mask == 0xffffffff);
-       assert_tc_cold_blocked(dig_port);
+       assert_tc_cold_blocked(tc);
 
-       return (pin_mask & DP_PIN_ASSIGNMENT_MASK(dig_port->tc_phy_fia_idx)) >>
-              DP_PIN_ASSIGNMENT_SHIFT(dig_port->tc_phy_fia_idx);
+       return (pin_mask & DP_PIN_ASSIGNMENT_MASK(tc->phy_fia_idx)) >>
+              DP_PIN_ASSIGNMENT_SHIFT(tc->phy_fia_idx);
 }
 
 int intel_tc_port_fia_max_lane_count(struct intel_digital_port *dig_port)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
        intel_wakeref_t wakeref;
        u32 lane_mask;
 
-       if (dig_port->tc_mode != TC_PORT_DP_ALT)
+       if (tc->mode != TC_PORT_DP_ALT)
                return 4;
 
-       assert_tc_cold_blocked(dig_port);
+       assert_tc_cold_blocked(tc);
 
        lane_mask = 0;
        with_intel_display_power(i915, POWER_DOMAIN_DISPLAY_CORE, wakeref)
@@ -205,45 +221,46 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port,
                                      int required_lanes)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
        bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL;
        u32 val;
 
        drm_WARN_ON(&i915->drm,
-                   lane_reversal && dig_port->tc_mode != TC_PORT_LEGACY);
+                   lane_reversal && tc->mode != TC_PORT_LEGACY);
 
-       assert_tc_cold_blocked(dig_port);
+       assert_tc_cold_blocked(tc);
 
-       val = intel_de_read(i915, PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia));
-       val &= ~DFLEXDPMLE1_DPMLETC_MASK(dig_port->tc_phy_fia_idx);
+       val = intel_de_read(i915, PORT_TX_DFLEXDPMLE1(tc->phy_fia));
+       val &= ~DFLEXDPMLE1_DPMLETC_MASK(tc->phy_fia_idx);
 
        switch (required_lanes) {
        case 1:
                val |= lane_reversal ?
-                       DFLEXDPMLE1_DPMLETC_ML3(dig_port->tc_phy_fia_idx) :
-                       DFLEXDPMLE1_DPMLETC_ML0(dig_port->tc_phy_fia_idx);
+                       DFLEXDPMLE1_DPMLETC_ML3(tc->phy_fia_idx) :
+                       DFLEXDPMLE1_DPMLETC_ML0(tc->phy_fia_idx);
                break;
        case 2:
                val |= lane_reversal ?
-                       DFLEXDPMLE1_DPMLETC_ML3_2(dig_port->tc_phy_fia_idx) :
-                       DFLEXDPMLE1_DPMLETC_ML1_0(dig_port->tc_phy_fia_idx);
+                       DFLEXDPMLE1_DPMLETC_ML3_2(tc->phy_fia_idx) :
+                       DFLEXDPMLE1_DPMLETC_ML1_0(tc->phy_fia_idx);
                break;
        case 4:
-               val |= DFLEXDPMLE1_DPMLETC_ML3_0(dig_port->tc_phy_fia_idx);
+               val |= DFLEXDPMLE1_DPMLETC_ML3_0(tc->phy_fia_idx);
                break;
        default:
                MISSING_CASE(required_lanes);
        }
 
-       intel_de_write(i915, PORT_TX_DFLEXDPMLE1(dig_port->tc_phy_fia), val);
+       intel_de_write(i915, PORT_TX_DFLEXDPMLE1(tc->phy_fia), val);
 }
 
-static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port,
+static void tc_port_fixup_legacy_flag(struct intel_tc_port *tc,
                                      u32 live_status_mask)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
        u32 valid_hpd_mask;
 
-       if (dig_port->tc_legacy_port)
+       if (tc->legacy_port)
                valid_hpd_mask = BIT(TC_PORT_LEGACY);
        else
                valid_hpd_mask = BIT(TC_PORT_DP_ALT) |
@@ -255,34 +272,35 @@ static void tc_port_fixup_legacy_flag(struct intel_digital_port *dig_port,
        /* If live status mismatches the VBT flag, trust the live status. */
        drm_dbg_kms(&i915->drm,
                    "Port %s: live status %08x mismatches the legacy port flag %08x, fixing flag\n",
-                   dig_port->tc_port_name, live_status_mask, valid_hpd_mask);
+                   tc->port_name, live_status_mask, valid_hpd_mask);
 
-       dig_port->tc_legacy_port = !dig_port->tc_legacy_port;
+       tc->legacy_port = !tc->legacy_port;
 }
 
 /*
  * ICL TC PHY handlers
  * -------------------
  */
-static u32 icl_tc_phy_hpd_live_status(struct intel_digital_port *dig_port)
+static u32 icl_tc_phy_hpd_live_status(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       struct intel_digital_port *dig_port = tc->dig_port;
        u32 isr_bit = i915->display.hotplug.pch_hpd[dig_port->base.hpd_pin];
        u32 mask = 0;
        u32 val;
 
-       val = intel_de_read(i915, PORT_TX_DFLEXDPSP(dig_port->tc_phy_fia));
+       val = intel_de_read(i915, PORT_TX_DFLEXDPSP(tc->phy_fia));
 
        if (val == 0xffffffff) {
                drm_dbg_kms(&i915->drm,
                            "Port %s: PHY in TCCOLD, nothing connected\n",
-                           dig_port->tc_port_name);
+                           tc->port_name);
                return mask;
        }
 
-       if (val & TC_LIVE_STATE_TBT(dig_port->tc_phy_fia_idx))
+       if (val & TC_LIVE_STATE_TBT(tc->phy_fia_idx))
                mask |= BIT(TC_PORT_TBT_ALT);
-       if (val & TC_LIVE_STATE_TC(dig_port->tc_phy_fia_idx))
+       if (val & TC_LIVE_STATE_TC(tc->phy_fia_idx))
                mask |= BIT(TC_PORT_DP_ALT);
 
        if (intel_de_read(i915, SDEISR) & isr_bit)
@@ -290,7 +308,7 @@ static u32 icl_tc_phy_hpd_live_status(struct intel_digital_port *dig_port)
 
        /* The sink can be connected only in a single mode. */
        if (!drm_WARN_ON_ONCE(&i915->drm, hweight32(mask) > 1))
-               tc_port_fixup_legacy_flag(dig_port, mask);
+               tc_port_fixup_legacy_flag(tc, mask);
 
        return mask;
 }
@@ -303,60 +321,60 @@ static u32 icl_tc_phy_hpd_live_status(struct intel_digital_port *dig_port)
  * owned by the TBT subsystem and so switching the ownership to display is not
  * required.
  */
-static bool icl_tc_phy_is_ready(struct intel_digital_port *dig_port)
+static bool icl_tc_phy_is_ready(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
        u32 val;
 
-       val = intel_de_read(i915, PORT_TX_DFLEXDPPMS(dig_port->tc_phy_fia));
+       val = intel_de_read(i915, PORT_TX_DFLEXDPPMS(tc->phy_fia));
        if (val == 0xffffffff) {
                drm_dbg_kms(&i915->drm,
                            "Port %s: PHY in TCCOLD, assuming not ready\n",
-                           dig_port->tc_port_name);
+                           tc->port_name);
                return false;
        }
 
-       return val & DP_PHY_MODE_STATUS_COMPLETED(dig_port->tc_phy_fia_idx);
+       return val & DP_PHY_MODE_STATUS_COMPLETED(tc->phy_fia_idx);
 }
 
-static bool icl_tc_phy_take_ownership(struct intel_digital_port *dig_port,
+static bool icl_tc_phy_take_ownership(struct intel_tc_port *tc,
                                      bool take)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
        u32 val;
 
-       val = intel_de_read(i915, PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
+       val = intel_de_read(i915, PORT_TX_DFLEXDPCSSS(tc->phy_fia));
        if (val == 0xffffffff) {
                drm_dbg_kms(&i915->drm,
                            "Port %s: PHY in TCCOLD, can't %s ownership\n",
-                           dig_port->tc_port_name, take ? "take" : "release");
+                           tc->port_name, take ? "take" : "release");
 
                return false;
        }
 
-       val &= ~DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx);
+       val &= ~DP_PHY_MODE_STATUS_NOT_SAFE(tc->phy_fia_idx);
        if (take)
-               val |= DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx);
+               val |= DP_PHY_MODE_STATUS_NOT_SAFE(tc->phy_fia_idx);
 
-       intel_de_write(i915, PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia), val);
+       intel_de_write(i915, PORT_TX_DFLEXDPCSSS(tc->phy_fia), val);
 
        return true;
 }
 
-static bool icl_tc_phy_is_owned(struct intel_digital_port *dig_port)
+static bool icl_tc_phy_is_owned(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
        u32 val;
 
-       val = intel_de_read(i915, PORT_TX_DFLEXDPCSSS(dig_port->tc_phy_fia));
+       val = intel_de_read(i915, PORT_TX_DFLEXDPCSSS(tc->phy_fia));
        if (val == 0xffffffff) {
                drm_dbg_kms(&i915->drm,
                            "Port %s: PHY in TCCOLD, assume not owned\n",
-                           dig_port->tc_port_name);
+                           tc->port_name);
                return false;
        }
 
-       return val & DP_PHY_MODE_STATUS_NOT_SAFE(dig_port->tc_phy_fia_idx);
+       return val & DP_PHY_MODE_STATUS_NOT_SAFE(tc->phy_fia_idx);
 }
 
 /*
@@ -370,36 +388,37 @@ static bool icl_tc_phy_is_owned(struct intel_digital_port *dig_port)
  * connect and disconnect to cleanly transfer ownership with the controller and
  * set the type-C power state.
  */
-static void icl_tc_phy_connect(struct intel_digital_port *dig_port,
+static void icl_tc_phy_connect(struct intel_tc_port *tc,
                               int required_lanes)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       struct intel_digital_port *dig_port = tc->dig_port;
        u32 live_status_mask;
        int max_lanes;
 
-       if (!tc_phy_is_ready(dig_port) &&
-           !drm_WARN_ON(&i915->drm, dig_port->tc_legacy_port)) {
+       if (!tc_phy_is_ready(tc) &&
+           !drm_WARN_ON(&i915->drm, tc->legacy_port)) {
                drm_dbg_kms(&i915->drm, "Port %s: PHY not ready\n",
-                           dig_port->tc_port_name);
+                           tc->port_name);
                goto out_set_tbt_alt_mode;
        }
 
-       live_status_mask = tc_phy_hpd_live_status(dig_port);
+       live_status_mask = tc_phy_hpd_live_status(tc);
        if (!(live_status_mask & (BIT(TC_PORT_DP_ALT) | BIT(TC_PORT_LEGACY))) &&
-           !dig_port->tc_legacy_port) {
+           !tc->legacy_port) {
                drm_dbg_kms(&i915->drm, "Port %s: PHY ownership not required (live status %02x)\n",
-                           dig_port->tc_port_name, live_status_mask);
+                           tc->port_name, live_status_mask);
                goto out_set_tbt_alt_mode;
        }
 
-       if (!tc_phy_take_ownership(dig_port, true) &&
-           !drm_WARN_ON(&i915->drm, dig_port->tc_legacy_port))
+       if (!tc_phy_take_ownership(tc, true) &&
+           !drm_WARN_ON(&i915->drm, tc->legacy_port))
                goto out_set_tbt_alt_mode;
 
        max_lanes = intel_tc_port_fia_max_lane_count(dig_port);
-       if (dig_port->tc_legacy_port) {
+       if (tc->legacy_port) {
                drm_WARN_ON(&i915->drm, max_lanes != 4);
-               dig_port->tc_mode = TC_PORT_LEGACY;
+               tc->mode = TC_PORT_LEGACY;
 
                return;
        }
@@ -408,48 +427,48 @@ static void 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 (!(tc_phy_hpd_live_status(dig_port) & BIT(TC_PORT_DP_ALT))) {
+       if (!(tc_phy_hpd_live_status(tc) & BIT(TC_PORT_DP_ALT))) {
                drm_dbg_kms(&i915->drm, "Port %s: PHY sudden disconnect\n",
-                           dig_port->tc_port_name);
+                           tc->port_name);
                goto out_release_phy;
        }
 
        if (max_lanes < required_lanes) {
                drm_dbg_kms(&i915->drm,
                            "Port %s: PHY max lanes %d < required lanes %d\n",
-                           dig_port->tc_port_name,
+                           tc->port_name,
                            max_lanes, required_lanes);
                goto out_release_phy;
        }
 
-       dig_port->tc_mode = TC_PORT_DP_ALT;
+       tc->mode = TC_PORT_DP_ALT;
 
        return;
 
 out_release_phy:
-       tc_phy_take_ownership(dig_port, false);
+       tc_phy_take_ownership(tc, false);
 out_set_tbt_alt_mode:
-       dig_port->tc_mode = TC_PORT_TBT_ALT;
+       tc->mode = TC_PORT_TBT_ALT;
 }
 
 /*
  * See the comment at the connect function. This implements the Disconnect
  * Flow.
  */
-static void icl_tc_phy_disconnect(struct intel_digital_port *dig_port)
+static void icl_tc_phy_disconnect(struct intel_tc_port *tc)
 {
-       switch (dig_port->tc_mode) {
+       switch (tc->mode) {
        case TC_PORT_LEGACY:
        case TC_PORT_DP_ALT:
-               tc_phy_take_ownership(dig_port, false);
+               tc_phy_take_ownership(tc, false);
                fallthrough;
        case TC_PORT_TBT_ALT:
-               dig_port->tc_mode = TC_PORT_DISCONNECTED;
+               tc->mode = TC_PORT_DISCONNECTED;
                fallthrough;
        case TC_PORT_DISCONNECTED:
                break;
        default:
-               MISSING_CASE(dig_port->tc_mode);
+               MISSING_CASE(tc->mode);
        }
 }
 
@@ -457,9 +476,10 @@ static void icl_tc_phy_disconnect(struct intel_digital_port *dig_port)
  * ADLP TC PHY handlers
  * --------------------
  */
-static u32 adlp_tc_phy_hpd_live_status(struct intel_digital_port *dig_port)
+static u32 adlp_tc_phy_hpd_live_status(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       struct intel_digital_port *dig_port = tc->dig_port;
        enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
        u32 isr_bit = i915->display.hotplug.pch_hpd[dig_port->base.hpd_pin];
        u32 val, mask = 0;
@@ -480,7 +500,7 @@ static u32 adlp_tc_phy_hpd_live_status(struct intel_digital_port *dig_port)
 
        /* The sink can be connected only in a single mode. */
        if (!drm_WARN_ON(&i915->drm, hweight32(mask) > 1))
-               tc_port_fixup_legacy_flag(dig_port, mask);
+               tc_port_fixup_legacy_flag(tc, mask);
 
        return mask;
 }
@@ -492,28 +512,28 @@ static u32 adlp_tc_phy_hpd_live_status(struct intel_digital_port *dig_port)
  * DP-alt, legacy or nothing). For TBT-alt sinks the PHY is owned by the TBT
  * subsystem and so switching the ownership to display is not required.
  */
-static bool adlp_tc_phy_is_ready(struct intel_digital_port *dig_port)
+static bool adlp_tc_phy_is_ready(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-       enum tc_port tc_port = intel_port_to_tc(i915, dig_port->base.port);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       enum tc_port tc_port = intel_port_to_tc(i915, tc->dig_port->base.port);
        u32 val;
 
        val = intel_de_read(i915, TCSS_DDI_STATUS(tc_port));
        if (val == 0xffffffff) {
                drm_dbg_kms(&i915->drm,
                            "Port %s: PHY in TCCOLD, assuming not ready\n",
-                           dig_port->tc_port_name);
+                           tc->port_name);
                return false;
        }
 
        return val & TCSS_DDI_STATUS_READY;
 }
 
-static bool adlp_tc_phy_take_ownership(struct intel_digital_port *dig_port,
+static bool adlp_tc_phy_take_ownership(struct intel_tc_port *tc,
                                       bool take)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-       enum port port = dig_port->base.port;
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       enum port port = tc->dig_port->base.port;
 
        intel_de_rmw(i915, DDI_BUF_CTL(port), DDI_BUF_CTL_TC_PHY_OWNERSHIP,
                     take ? DDI_BUF_CTL_TC_PHY_OWNERSHIP : 0);
@@ -521,10 +541,10 @@ static bool adlp_tc_phy_take_ownership(struct intel_digital_port *dig_port,
        return true;
 }
 
-static bool adlp_tc_phy_is_owned(struct intel_digital_port *dig_port)
+static bool adlp_tc_phy_is_owned(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-       enum port port = dig_port->base.port;
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       enum port port = tc->dig_port->base.port;
        u32 val;
 
        val = intel_de_read(i915, DDI_BUF_CTL(port));
@@ -535,73 +555,73 @@ static bool adlp_tc_phy_is_owned(struct intel_digital_port *dig_port)
  * Generic TC PHY handlers
  * -----------------------
  */
-static u32 tc_phy_hpd_live_status(struct intel_digital_port *dig_port)
+static u32 tc_phy_hpd_live_status(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
        if (IS_ALDERLAKE_P(i915))
-               return adlp_tc_phy_hpd_live_status(dig_port);
+               return adlp_tc_phy_hpd_live_status(tc);
 
-       return icl_tc_phy_hpd_live_status(dig_port);
+       return icl_tc_phy_hpd_live_status(tc);
 }
 
-static bool tc_phy_is_ready(struct intel_digital_port *dig_port)
+static bool tc_phy_is_ready(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
        if (IS_ALDERLAKE_P(i915))
-               return adlp_tc_phy_is_ready(dig_port);
+               return adlp_tc_phy_is_ready(tc);
 
-       return icl_tc_phy_is_ready(dig_port);
+       return icl_tc_phy_is_ready(tc);
 }
 
-static bool tc_phy_is_owned(struct intel_digital_port *dig_port)
+static bool tc_phy_is_owned(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
        if (IS_ALDERLAKE_P(i915))
-               return adlp_tc_phy_is_owned(dig_port);
+               return adlp_tc_phy_is_owned(tc);
 
-       return icl_tc_phy_is_owned(dig_port);
+       return icl_tc_phy_is_owned(tc);
 }
 
-static bool tc_phy_take_ownership(struct intel_digital_port *dig_port, bool take)
+static bool tc_phy_take_ownership(struct intel_tc_port *tc, bool take)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
        if (IS_ALDERLAKE_P(i915))
-               return adlp_tc_phy_take_ownership(dig_port, take);
+               return adlp_tc_phy_take_ownership(tc, take);
 
-       return icl_tc_phy_take_ownership(dig_port, take);
+       return icl_tc_phy_take_ownership(tc, take);
 }
 
-static bool tc_phy_is_ready_and_owned(struct intel_digital_port *dig_port,
+static bool tc_phy_is_ready_and_owned(struct intel_tc_port *tc,
                                      bool phy_is_ready, bool phy_is_owned)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
        drm_WARN_ON(&i915->drm, phy_is_owned && !phy_is_ready);
 
        return phy_is_ready && phy_is_owned;
 }
 
-static bool tc_phy_is_connected(struct intel_digital_port *dig_port,
+static bool tc_phy_is_connected(struct intel_tc_port *tc,
                                enum icl_port_dpll_id port_pll_type)
 {
-       struct intel_encoder *encoder = &dig_port->base;
+       struct intel_encoder *encoder = &tc->dig_port->base;
        struct drm_i915_private *i915 = to_i915(encoder->base.dev);
-       bool phy_is_ready = tc_phy_is_ready(dig_port);
-       bool phy_is_owned = tc_phy_is_owned(dig_port);
+       bool phy_is_ready = tc_phy_is_ready(tc);
+       bool phy_is_owned = tc_phy_is_owned(tc);
        bool is_connected;
 
-       if (tc_phy_is_ready_and_owned(dig_port, phy_is_ready, phy_is_owned))
+       if (tc_phy_is_ready_and_owned(tc, phy_is_ready, phy_is_owned))
                is_connected = port_pll_type == ICL_PORT_DPLL_MG_PHY;
        else
                is_connected = port_pll_type == ICL_PORT_DPLL_DEFAULT;
 
        drm_dbg_kms(&i915->drm,
                    "Port %s: PHY connected: %s (ready: %s, owned: %s, pll_type: %s)\n",
-                   dig_port->tc_port_name,
+                   tc->port_name,
                    str_yes_no(is_connected),
                    str_yes_no(phy_is_ready),
                    str_yes_no(phy_is_owned),
@@ -610,13 +630,13 @@ static bool tc_phy_is_connected(struct intel_digital_port *dig_port,
        return is_connected;
 }
 
-static void tc_phy_wait_for_ready(struct intel_digital_port *dig_port)
+static void tc_phy_wait_for_ready(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
-       if (wait_for(tc_phy_is_ready(dig_port), 100))
+       if (wait_for(tc_phy_is_ready(tc), 100))
                drm_err(&i915->drm, "Port %s: timeout waiting for PHY ready\n",
-                       dig_port->tc_port_name);
+                       tc->port_name);
 }
 
 static enum tc_port_mode
@@ -629,15 +649,15 @@ hpd_mask_to_tc_mode(u32 live_status_mask)
 }
 
 static enum tc_port_mode
-tc_phy_hpd_live_mode(struct intel_digital_port *dig_port)
+tc_phy_hpd_live_mode(struct intel_tc_port *tc)
 {
-       u32 live_status_mask = tc_phy_hpd_live_status(dig_port);
+       u32 live_status_mask = tc_phy_hpd_live_status(tc);
 
        return hpd_mask_to_tc_mode(live_status_mask);
 }
 
 static enum tc_port_mode
-get_tc_mode_in_phy_owned_state(struct intel_digital_port *dig_port,
+get_tc_mode_in_phy_owned_state(struct intel_tc_port *tc,
                               enum tc_port_mode live_mode)
 {
        switch (live_mode) {
@@ -649,7 +669,7 @@ get_tc_mode_in_phy_owned_state(struct intel_digital_port *dig_port,
                fallthrough;
        case TC_PORT_TBT_ALT:
        case TC_PORT_DISCONNECTED:
-               if (dig_port->tc_legacy_port)
+               if (tc->legacy_port)
                        return TC_PORT_LEGACY;
                else
                        return TC_PORT_DP_ALT;
@@ -657,7 +677,7 @@ get_tc_mode_in_phy_owned_state(struct intel_digital_port *dig_port,
 }
 
 static enum tc_port_mode
-get_tc_mode_in_phy_not_owned_state(struct intel_digital_port *dig_port,
+get_tc_mode_in_phy_not_owned_state(struct intel_tc_port *tc,
                                   enum tc_port_mode live_mode)
 {
        switch (live_mode) {
@@ -670,7 +690,7 @@ get_tc_mode_in_phy_not_owned_state(struct intel_digital_port *dig_port,
                MISSING_CASE(live_mode);
                fallthrough;
        case TC_PORT_DISCONNECTED:
-               if (dig_port->tc_legacy_port)
+               if (tc->legacy_port)
                        return TC_PORT_DISCONNECTED;
                else
                        return TC_PORT_TBT_ALT;
@@ -678,10 +698,10 @@ get_tc_mode_in_phy_not_owned_state(struct intel_digital_port *dig_port,
 }
 
 static enum tc_port_mode
-tc_phy_get_current_mode(struct intel_digital_port *dig_port)
+tc_phy_get_current_mode(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-       enum tc_port_mode live_mode = tc_phy_hpd_live_mode(dig_port);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       enum tc_port_mode live_mode = tc_phy_hpd_live_mode(tc);
        bool phy_is_ready;
        bool phy_is_owned;
        enum tc_port_mode mode;
@@ -691,22 +711,22 @@ tc_phy_get_current_mode(struct intel_digital_port *dig_port)
         * and system resume whether or not a sink is connected. Wait here for
         * the initialization to get ready.
         */
-       if (dig_port->tc_legacy_port)
-               tc_phy_wait_for_ready(dig_port);
+       if (tc->legacy_port)
+               tc_phy_wait_for_ready(tc);
 
-       phy_is_ready = tc_phy_is_ready(dig_port);
-       phy_is_owned = tc_phy_is_owned(dig_port);
+       phy_is_ready = tc_phy_is_ready(tc);
+       phy_is_owned = tc_phy_is_owned(tc);
 
-       if (!tc_phy_is_ready_and_owned(dig_port, phy_is_ready, phy_is_owned)) {
-               mode = get_tc_mode_in_phy_not_owned_state(dig_port, live_mode);
+       if (!tc_phy_is_ready_and_owned(tc, phy_is_ready, phy_is_owned)) {
+               mode = get_tc_mode_in_phy_not_owned_state(tc, live_mode);
        } else {
                drm_WARN_ON(&i915->drm, live_mode == TC_PORT_TBT_ALT);
-               mode = get_tc_mode_in_phy_owned_state(dig_port, live_mode);
+               mode = get_tc_mode_in_phy_owned_state(tc, live_mode);
        }
 
        drm_dbg_kms(&i915->drm,
                    "Port %s: PHY mode: %s (ready: %s, owned: %s, HPD: %s)\n",
-                   dig_port->tc_port_name,
+                   tc->port_name,
                    tc_port_mode_name(mode),
                    str_yes_no(phy_is_ready),
                    str_yes_no(phy_is_owned),
@@ -715,38 +735,39 @@ tc_phy_get_current_mode(struct intel_digital_port *dig_port)
        return mode;
 }
 
-static enum tc_port_mode default_tc_mode(struct intel_digital_port *dig_port)
+static enum tc_port_mode default_tc_mode(struct intel_tc_port *tc)
 {
-       if (dig_port->tc_legacy_port)
+       if (tc->legacy_port)
                return TC_PORT_LEGACY;
 
        return TC_PORT_TBT_ALT;
 }
 
 static enum tc_port_mode
-hpd_mask_to_target_mode(struct intel_digital_port *dig_port, u32 live_status_mask)
+hpd_mask_to_target_mode(struct intel_tc_port *tc, u32 live_status_mask)
 {
        enum tc_port_mode mode = hpd_mask_to_tc_mode(live_status_mask);
 
        if (mode != TC_PORT_DISCONNECTED)
                return mode;
 
-       return default_tc_mode(dig_port);
+       return default_tc_mode(tc);
 }
 
 static enum tc_port_mode
-tc_phy_get_target_mode(struct intel_digital_port *dig_port)
+tc_phy_get_target_mode(struct intel_tc_port *tc)
 {
-       u32 live_status_mask = tc_phy_hpd_live_status(dig_port);
+       u32 live_status_mask = tc_phy_hpd_live_status(tc);
 
-       return hpd_mask_to_target_mode(dig_port, live_status_mask);
+       return hpd_mask_to_target_mode(tc, live_status_mask);
 }
 
-static void intel_tc_port_reset_mode(struct intel_digital_port *dig_port,
+static void intel_tc_port_reset_mode(struct intel_tc_port *tc,
                                     int required_lanes, bool force_disconnect)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
-       enum tc_port_mode old_tc_mode = dig_port->tc_mode;
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       struct intel_digital_port *dig_port = tc->dig_port;
+       enum tc_port_mode old_tc_mode = tc->mode;
 
        intel_display_power_flush_work(i915);
        if (!intel_tc_cold_requires_aux_pw(dig_port)) {
@@ -758,22 +779,22 @@ static void intel_tc_port_reset_mode(struct intel_digital_port *dig_port,
                drm_WARN_ON(&i915->drm, aux_powered);
        }
 
-       icl_tc_phy_disconnect(dig_port);
+       icl_tc_phy_disconnect(tc);
        if (!force_disconnect)
-               icl_tc_phy_connect(dig_port, required_lanes);
+               icl_tc_phy_connect(tc, required_lanes);
 
        drm_dbg_kms(&i915->drm, "Port %s: TC port mode reset (%s -> %s)\n",
-                   dig_port->tc_port_name,
+                   tc->port_name,
                    tc_port_mode_name(old_tc_mode),
-                   tc_port_mode_name(dig_port->tc_mode));
+                   tc_port_mode_name(tc->mode));
 }
 
-static bool intel_tc_port_needs_reset(struct intel_digital_port *dig_port)
+static bool intel_tc_port_needs_reset(struct intel_tc_port *tc)
 {
-       return tc_phy_get_target_mode(dig_port) != dig_port->tc_mode;
+       return tc_phy_get_target_mode(tc) != tc->mode;
 }
 
-static void intel_tc_port_update_mode(struct intel_digital_port *dig_port,
+static void intel_tc_port_update_mode(struct intel_tc_port *tc,
                                      int required_lanes, bool force_disconnect)
 {
        enum intel_display_power_domain domain;
@@ -782,44 +803,44 @@ static void intel_tc_port_update_mode(struct intel_digital_port *dig_port,
 
        if (!needs_reset) {
                /* Get power domain required to check the hotplug live status. */
-               wref = tc_cold_block(dig_port, &domain);
-               needs_reset = intel_tc_port_needs_reset(dig_port);
-               tc_cold_unblock(dig_port, domain, wref);
+               wref = tc_cold_block(tc, &domain);
+               needs_reset = intel_tc_port_needs_reset(tc);
+               tc_cold_unblock(tc, domain, wref);
        }
 
        if (!needs_reset)
                return;
 
        /* Get power domain required for resetting the mode. */
-       wref = tc_cold_block_in_mode(dig_port, TC_PORT_DISCONNECTED, &domain);
+       wref = tc_cold_block_in_mode(tc, TC_PORT_DISCONNECTED, &domain);
 
-       intel_tc_port_reset_mode(dig_port, required_lanes, force_disconnect);
+       intel_tc_port_reset_mode(tc, required_lanes, force_disconnect);
 
        /* Get power domain matching the new mode after reset. */
-       tc_cold_unblock(dig_port, dig_port->tc_lock_power_domain,
-                       fetch_and_zero(&dig_port->tc_lock_wakeref));
-       if (dig_port->tc_mode != TC_PORT_DISCONNECTED)
-               dig_port->tc_lock_wakeref = tc_cold_block(dig_port,
-                                                         &dig_port->tc_lock_power_domain);
+       tc_cold_unblock(tc, tc->lock_power_domain,
+                       fetch_and_zero(&tc->lock_wakeref));
+       if (tc->mode != TC_PORT_DISCONNECTED)
+               tc->lock_wakeref = tc_cold_block(tc, &tc->lock_power_domain);
 
-       tc_cold_unblock(dig_port, domain, wref);
+       tc_cold_unblock(tc, domain, wref);
 }
 
-static void __intel_tc_port_get_link(struct intel_digital_port *dig_port)
+static void __intel_tc_port_get_link(struct intel_tc_port *tc)
 {
-       dig_port->tc_link_refcount++;
+       tc->link_refcount++;
 }
 
-static void __intel_tc_port_put_link(struct intel_digital_port *dig_port)
+static void __intel_tc_port_put_link(struct intel_tc_port *tc)
 {
-       dig_port->tc_link_refcount--;
+       tc->link_refcount--;
 }
 
-static bool tc_port_is_enabled(struct intel_digital_port *dig_port)
+static bool tc_port_is_enabled(struct intel_tc_port *tc)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       struct intel_digital_port *dig_port = tc->dig_port;
 
-       assert_tc_port_power_enabled(dig_port);
+       assert_tc_port_power_enabled(tc);
 
        return intel_de_read(i915, DDI_BUF_CTL(dig_port->base.port)) &
               DDI_BUF_CTL_ENABLE;
@@ -835,27 +856,28 @@ static bool tc_port_is_enabled(struct intel_digital_port *dig_port)
 void intel_tc_port_init_mode(struct intel_digital_port *dig_port)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
        intel_wakeref_t tc_cold_wref;
        enum intel_display_power_domain domain;
        bool update_mode = false;
 
-       mutex_lock(&dig_port->tc_lock);
+       mutex_lock(&tc->lock);
 
-       drm_WARN_ON(&i915->drm, dig_port->tc_mode != TC_PORT_DISCONNECTED);
-       drm_WARN_ON(&i915->drm, dig_port->tc_lock_wakeref);
-       drm_WARN_ON(&i915->drm, dig_port->tc_link_refcount);
+       drm_WARN_ON(&i915->drm, tc->mode != TC_PORT_DISCONNECTED);
+       drm_WARN_ON(&i915->drm, tc->lock_wakeref);
+       drm_WARN_ON(&i915->drm, tc->link_refcount);
 
-       tc_cold_wref = tc_cold_block(dig_port, &domain);
+       tc_cold_wref = tc_cold_block(tc, &domain);
 
-       dig_port->tc_mode = tc_phy_get_current_mode(dig_port);
+       tc->mode = tc_phy_get_current_mode(tc);
        /*
         * Save the initial mode for the state check in
         * intel_tc_port_sanitize_mode().
         */
-       dig_port->tc_init_mode = dig_port->tc_mode;
-       if (dig_port->tc_mode != TC_PORT_DISCONNECTED)
-               dig_port->tc_lock_wakeref =
-                       tc_cold_block(dig_port, &dig_port->tc_lock_power_domain);
+       tc->init_mode = tc->mode;
+       if (tc->mode != TC_PORT_DISCONNECTED)
+               tc->lock_wakeref =
+                       tc_cold_block(tc, &tc->lock_power_domain);
 
        /*
         * The PHY needs to be connected for AUX to work during HW readout and
@@ -868,31 +890,32 @@ void intel_tc_port_init_mode(struct intel_digital_port *dig_port)
         * cause a problem as the PHY ownership state is ignored by the
         * IOM/TCSS firmware (only display can own the PHY in that case).
         */
-       if (!tc_port_is_enabled(dig_port)) {
+       if (!tc_port_is_enabled(tc)) {
                update_mode = true;
-       } else if (dig_port->tc_mode == TC_PORT_DISCONNECTED) {
-               drm_WARN_ON(&i915->drm, !dig_port->tc_legacy_port);
+       } else if (tc->mode == TC_PORT_DISCONNECTED) {
+               drm_WARN_ON(&i915->drm, !tc->legacy_port);
                drm_err(&i915->drm,
                        "Port %s: PHY disconnected on enabled port, connecting it\n",
-                       dig_port->tc_port_name);
+                       tc->port_name);
                update_mode = true;
        }
 
        if (update_mode)
-               intel_tc_port_update_mode(dig_port, 1, false);
+               intel_tc_port_update_mode(tc, 1, false);
 
-       /* Prevent changing dig_port->tc_mode until intel_tc_port_sanitize_mode() is called. */
-       __intel_tc_port_get_link(dig_port);
+       /* Prevent changing tc->mode until intel_tc_port_sanitize_mode() is called. */
+       __intel_tc_port_get_link(tc);
 
-       tc_cold_unblock(dig_port, domain, tc_cold_wref);
+       tc_cold_unblock(tc, domain, tc_cold_wref);
 
-       mutex_unlock(&dig_port->tc_lock);
+       mutex_unlock(&tc->lock);
 }
 
-static bool tc_port_has_active_links(struct intel_digital_port *dig_port,
+static bool tc_port_has_active_links(struct intel_tc_port *tc,
                                     const struct intel_crtc_state *crtc_state)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
+       struct intel_digital_port *dig_port = tc->dig_port;
        enum icl_port_dpll_id pll_type = ICL_PORT_DPLL_DEFAULT;
        int active_links = 0;
 
@@ -904,10 +927,10 @@ static bool tc_port_has_active_links(struct intel_digital_port *dig_port,
                active_links = 1;
        }
 
-       if (active_links && !tc_phy_is_connected(dig_port, pll_type))
+       if (active_links && !tc_phy_is_connected(tc, pll_type))
                drm_err(&i915->drm,
                        "Port %s: PHY disconnected with %d active link(s)\n",
-                       dig_port->tc_port_name, active_links);
+                       tc->port_name, active_links);
 
        return active_links;
 }
@@ -928,35 +951,36 @@ void intel_tc_port_sanitize_mode(struct intel_digital_port *dig_port,
                                 const struct intel_crtc_state *crtc_state)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
 
-       mutex_lock(&dig_port->tc_lock);
+       mutex_lock(&tc->lock);
 
-       drm_WARN_ON(&i915->drm, dig_port->tc_link_refcount != 1);
-       if (!tc_port_has_active_links(dig_port, crtc_state)) {
+       drm_WARN_ON(&i915->drm, tc->link_refcount != 1);
+       if (!tc_port_has_active_links(tc, crtc_state)) {
                /*
                 * 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_init_mode != TC_PORT_TBT_ALT &&
-                   dig_port->tc_init_mode != TC_PORT_DISCONNECTED)
+               if (tc->init_mode != TC_PORT_TBT_ALT &&
+                   tc->init_mode != TC_PORT_DISCONNECTED)
                        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_init_mode));
-               icl_tc_phy_disconnect(dig_port);
-               __intel_tc_port_put_link(dig_port);
+                                   tc->port_name,
+                                   tc_port_mode_name(tc->init_mode));
+               icl_tc_phy_disconnect(tc);
+               __intel_tc_port_put_link(tc);
 
-               tc_cold_unblock(dig_port, dig_port->tc_lock_power_domain,
-                               fetch_and_zero(&dig_port->tc_lock_wakeref));
+               tc_cold_unblock(tc, tc->lock_power_domain,
+                               fetch_and_zero(&tc->lock_wakeref));
        }
 
        drm_dbg_kms(&i915->drm, "Port %s: sanitize mode (%s)\n",
-                   dig_port->tc_port_name,
-                   tc_port_mode_name(dig_port->tc_mode));
+                   tc->port_name,
+                   tc_port_mode_name(tc->mode));
 
-       mutex_unlock(&dig_port->tc_lock);
+       mutex_unlock(&tc->lock);
 }
 
 /*
@@ -973,10 +997,11 @@ bool intel_tc_port_connected_locked(struct intel_encoder *encoder)
 {
        struct intel_digital_port *dig_port = enc_to_dig_port(encoder);
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
 
        drm_WARN_ON(&i915->drm, !intel_tc_port_ref_held(dig_port));
 
-       return tc_phy_hpd_live_status(dig_port) & BIT(dig_port->tc_mode);
+       return tc_phy_hpd_live_status(tc) & BIT(tc->mode);
 }
 
 bool intel_tc_port_connected(struct intel_encoder *encoder)
@@ -991,27 +1016,27 @@ bool intel_tc_port_connected(struct intel_encoder *encoder)
        return is_connected;
 }
 
-static void __intel_tc_port_lock(struct intel_digital_port *dig_port,
+static void __intel_tc_port_lock(struct intel_tc_port *tc,
                                 int required_lanes)
 {
-       struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct drm_i915_private *i915 = tc_to_i915(tc);
 
-       mutex_lock(&dig_port->tc_lock);
+       mutex_lock(&tc->lock);
 
-       cancel_delayed_work(&dig_port->tc_disconnect_phy_work);
+       cancel_delayed_work(&tc->disconnect_phy_work);
 
-       if (!dig_port->tc_link_refcount)
-               intel_tc_port_update_mode(dig_port, required_lanes,
+       if (!tc->link_refcount)
+               intel_tc_port_update_mode(tc, required_lanes,
                                          false);
 
-       drm_WARN_ON(&i915->drm, dig_port->tc_mode == TC_PORT_DISCONNECTED);
-       drm_WARN_ON(&i915->drm, dig_port->tc_mode != TC_PORT_TBT_ALT &&
-                               !tc_phy_is_owned(dig_port));
+       drm_WARN_ON(&i915->drm, tc->mode == TC_PORT_DISCONNECTED);
+       drm_WARN_ON(&i915->drm, tc->mode != TC_PORT_TBT_ALT &&
+                               !tc_phy_is_owned(tc));
 }
 
 void intel_tc_port_lock(struct intel_digital_port *dig_port)
 {
-       __intel_tc_port_lock(dig_port, 1);
+       __intel_tc_port_lock(to_tc_port(dig_port), 1);
 }
 
 /**
@@ -1024,15 +1049,15 @@ void intel_tc_port_lock(struct intel_digital_port *dig_port)
  */
 static void intel_tc_port_disconnect_phy_work(struct work_struct *work)
 {
-       struct intel_digital_port *dig_port =
-               container_of(work, struct intel_digital_port, tc_disconnect_phy_work.work);
+       struct intel_tc_port *tc =
+               container_of(work, struct intel_tc_port, disconnect_phy_work.work);
 
-       mutex_lock(&dig_port->tc_lock);
+       mutex_lock(&tc->lock);
 
-       if (!dig_port->tc_link_refcount)
-               intel_tc_port_update_mode(dig_port, 1, true);
+       if (!tc->link_refcount)
+               intel_tc_port_update_mode(tc, 1, true);
 
-       mutex_unlock(&dig_port->tc_lock);
+       mutex_unlock(&tc->lock);
 }
 
 /**
@@ -1043,36 +1068,44 @@ static void intel_tc_port_disconnect_phy_work(struct work_struct *work)
  */
 void intel_tc_port_flush_work(struct intel_digital_port *dig_port)
 {
-       flush_delayed_work(&dig_port->tc_disconnect_phy_work);
+       flush_delayed_work(&to_tc_port(dig_port)->disconnect_phy_work);
 }
 
 void intel_tc_port_unlock(struct intel_digital_port *dig_port)
 {
-       if (!dig_port->tc_link_refcount && dig_port->tc_mode != TC_PORT_DISCONNECTED)
-               queue_delayed_work(system_unbound_wq, &dig_port->tc_disconnect_phy_work,
+       struct intel_tc_port *tc = to_tc_port(dig_port);
+
+       if (!tc->link_refcount && tc->mode != TC_PORT_DISCONNECTED)
+               queue_delayed_work(system_unbound_wq, &tc->disconnect_phy_work,
                                   msecs_to_jiffies(1000));
 
-       mutex_unlock(&dig_port->tc_lock);
+       mutex_unlock(&tc->lock);
 }
 
 bool intel_tc_port_ref_held(struct intel_digital_port *dig_port)
 {
-       return mutex_is_locked(&dig_port->tc_lock) ||
-              dig_port->tc_link_refcount;
+       struct intel_tc_port *tc = to_tc_port(dig_port);
+
+       return mutex_is_locked(&tc->lock) ||
+              tc->link_refcount;
 }
 
 void intel_tc_port_get_link(struct intel_digital_port *dig_port,
                            int required_lanes)
 {
-       __intel_tc_port_lock(dig_port, required_lanes);
-       __intel_tc_port_get_link(dig_port);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
+
+       __intel_tc_port_lock(tc, required_lanes);
+       __intel_tc_port_get_link(tc);
        intel_tc_port_unlock(dig_port);
 }
 
 void intel_tc_port_put_link(struct intel_digital_port *dig_port)
 {
+       struct intel_tc_port *tc = to_tc_port(dig_port);
+
        intel_tc_port_lock(dig_port);
-       __intel_tc_port_put_link(dig_port);
+       __intel_tc_port_put_link(tc);
        intel_tc_port_unlock(dig_port);
 
        /*
@@ -1085,7 +1118,7 @@ void intel_tc_port_put_link(struct intel_digital_port *dig_port)
 }
 
 static bool
-tc_has_modular_fia(struct drm_i915_private *i915, struct intel_digital_port *dig_port)
+tc_has_modular_fia(struct drm_i915_private *i915, struct intel_tc_port *tc)
 {
        enum intel_display_power_domain domain;
        intel_wakeref_t wakeref;
@@ -1094,11 +1127,11 @@ tc_has_modular_fia(struct drm_i915_private *i915, struct intel_digital_port *dig
        if (!INTEL_INFO(i915)->display.has_modular_fia)
                return false;
 
-       mutex_lock(&dig_port->tc_lock);
-       wakeref = tc_cold_block(dig_port, &domain);
+       mutex_lock(&tc->lock);
+       wakeref = tc_cold_block(tc, &domain);
        val = intel_de_read(i915, PORT_TX_DFLEXDPSP(FIA1));
-       tc_cold_unblock(dig_port, domain, wakeref);
-       mutex_unlock(&dig_port->tc_lock);
+       tc_cold_unblock(tc, domain, wakeref);
+       mutex_unlock(&tc->lock);
 
        drm_WARN_ON(&i915->drm, val == 0xffffffff);
 
@@ -1106,42 +1139,45 @@ tc_has_modular_fia(struct drm_i915_private *i915, struct intel_digital_port *dig
 }
 
 static void
-tc_port_load_fia_params(struct drm_i915_private *i915, struct intel_digital_port *dig_port)
+tc_port_load_fia_params(struct drm_i915_private *i915, struct intel_tc_port *tc)
 {
-       enum port port = dig_port->base.port;
+       enum port port = tc->dig_port->base.port;
        enum tc_port tc_port = intel_port_to_tc(i915, port);
 
        /*
         * Each Modular FIA instance houses 2 TC ports. In SOC that has more
         * than two TC ports, there are multiple instances of Modular FIA.
         */
-       if (tc_has_modular_fia(i915, dig_port)) {
-               dig_port->tc_phy_fia = tc_port / 2;
-               dig_port->tc_phy_fia_idx = tc_port % 2;
+       if (tc_has_modular_fia(i915, tc)) {
+               tc->phy_fia = tc_port / 2;
+               tc->phy_fia_idx = tc_port % 2;
        } else {
-               dig_port->tc_phy_fia = FIA1;
-               dig_port->tc_phy_fia_idx = tc_port;
+               tc->phy_fia = FIA1;
+               tc->phy_fia_idx = tc_port;
        }
 }
 
 void intel_tc_port_init(struct intel_digital_port *dig_port, bool is_legacy)
 {
        struct drm_i915_private *i915 = to_i915(dig_port->base.base.dev);
+       struct intel_tc_port *tc = to_tc_port(dig_port);
        enum port port = dig_port->base.port;
        enum tc_port tc_port = intel_port_to_tc(i915, port);
 
        if (drm_WARN_ON(&i915->drm, tc_port == TC_PORT_NONE))
                return;
 
-       snprintf(dig_port->tc_port_name, sizeof(dig_port->tc_port_name),
+       tc->dig_port = dig_port;
+
+       snprintf(tc->port_name, sizeof(tc->port_name),
                 "%c/TC#%d", port_name(port), tc_port + 1);
 
-       mutex_init(&dig_port->tc_lock);
-       INIT_DELAYED_WORK(&dig_port->tc_disconnect_phy_work, intel_tc_port_disconnect_phy_work);
-       dig_port->tc_legacy_port = is_legacy;
-       dig_port->tc_mode = TC_PORT_DISCONNECTED;
-       dig_port->tc_link_refcount = 0;
-       tc_port_load_fia_params(i915, dig_port);
+       mutex_init(&tc->lock);
+       INIT_DELAYED_WORK(&tc->disconnect_phy_work, intel_tc_port_disconnect_phy_work);
+       tc->legacy_port = is_legacy;
+       tc->mode = TC_PORT_DISCONNECTED;
+       tc->link_refcount = 0;
+       tc_port_load_fia_params(i915, tc);
 
        intel_tc_port_init_mode(dig_port);
 }
index 79667d9..cc3a7fd 100644 (file)
@@ -9,10 +9,36 @@
 #include <linux/mutex.h>
 #include <linux/types.h>
 
+#include "intel_display.h"
+#include "intel_display_power.h"
+#include "intel_wakeref.h"
+
 struct intel_crtc_state;
 struct intel_digital_port;
 struct intel_encoder;
 
+enum tc_port_mode {
+       TC_PORT_DISCONNECTED,
+       TC_PORT_TBT_ALT,
+       TC_PORT_DP_ALT,
+       TC_PORT_LEGACY,
+};
+
+struct intel_tc_port {
+       struct intel_digital_port *dig_port;
+       struct mutex lock;      /* protects the TypeC port mode */
+       intel_wakeref_t lock_wakeref;
+       enum intel_display_power_domain lock_power_domain;
+       struct delayed_work disconnect_phy_work;
+       int link_refcount;
+       bool legacy_port:1;
+       char port_name[8];
+       enum tc_port_mode mode;
+       enum tc_port_mode init_mode;
+       enum phy_fia phy_fia;
+       u8 phy_fia_idx;
+};
+
 bool intel_tc_port_in_tbt_alt_mode(struct intel_digital_port *dig_port);
 bool intel_tc_port_in_dp_alt_mode(struct intel_digital_port *dig_port);
 bool intel_tc_port_in_legacy_mode(struct intel_digital_port *dig_port);