Re: [PATCH v3 10/29] drm/i915/xe2lpd: Move registers to PICA

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Quoting Lucas De Marchi (2023-09-12 01:48:18-03:00)
>Some registers for DDI A/B moved to PICA and now follow the same format
>as the ones for the PORT_TC ports. The wrapper here deals with 2 issues:
>
>        - Share the implementation between xe2lpd and previous
>          platforms: there are minor layout changes, it's mostly the
>          register location that changed
>        - Handle offsets after TC ports
>
>v2:
>  - Explain better the trick to use just the second range (Matt Roper)
>  - Add missing conversions after rebase (Matt Roper)
>  - Use macro instead of inline function, avoiding includes in the
>    header (Jani)
>  - Prefix old macros with underscore so they don't get used by mistake,
>    and name the new ones using the previous names
>v2: Use the same logic for the recently-introduced XELPDP_PORT_MSGBUS_TIMER
>    (Gustavo)

s/v2/v3/ when applying this?

Gustavo Sousa

>
>Signed-off-by: Lucas De Marchi <lucas.demarchi@xxxxxxxxx>
>Reviewed-by: Matt Roper <matthew.d.roper@xxxxxxxxx>
>Reviewed-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx>
>---
> drivers/gpu/drm/i915/display/intel_cx0_phy.c  | 85 ++++++++++---------
> .../gpu/drm/i915/display/intel_cx0_phy_regs.h | 63 ++++++++++++--
> drivers/gpu/drm/i915/display/intel_ddi.c      | 20 +++--
> drivers/gpu/drm/i915/display/intel_tc.c       | 16 ++--
> 4 files changed, 120 insertions(+), 64 deletions(-)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy.c b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
>index e6d3027c821d..33dd67332a4e 100644
>--- a/drivers/gpu/drm/i915/display/intel_cx0_phy.c
>+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy.c
>@@ -100,7 +100,7 @@ static void intel_cx0_phy_transaction_end(struct intel_encoder *encoder, intel_w
> static void intel_clear_response_ready_flag(struct drm_i915_private *i915,
>                                             enum port port, int lane)
> {
>-        intel_de_rmw(i915, XELPDP_PORT_P2M_MSGBUS_STATUS(port, lane),
>+        intel_de_rmw(i915, XELPDP_PORT_P2M_MSGBUS_STATUS(i915, port, lane),
>                      0, XELPDP_PORT_P2M_RESPONSE_READY | XELPDP_PORT_P2M_ERROR_SET);
> }
> 
>@@ -108,10 +108,10 @@ static void intel_cx0_bus_reset(struct drm_i915_private *i915, enum port port, i
> {
>         enum phy phy = intel_port_to_phy(i915, port);
> 
>-        intel_de_write(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+        intel_de_write(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                        XELPDP_PORT_M2P_TRANSACTION_RESET);
> 
>-        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                                     XELPDP_PORT_M2P_TRANSACTION_RESET,
>                                     XELPDP_MSGBUS_TIMEOUT_SLOW)) {
>                 drm_err_once(&i915->drm, "Failed to bring PHY %c to idle.\n", phy_name(phy));
>@@ -133,7 +133,7 @@ static void intel_cx0_bus_check_and_bump_timer(struct drm_i915_private *i915,
>         u32 val;
>         u32 timer_val;
> 
>-        reg = XELPDP_PORT_MSGBUS_TIMER(port, lane);
>+        reg = XELPDP_PORT_MSGBUS_TIMER(i915, port, lane);
>         val = intel_de_read(i915, reg);
> 
>         if (!(val & XELPDP_PORT_MSGBUS_TIMER_TIMED_OUT)) {
>@@ -163,7 +163,7 @@ static int intel_cx0_wait_for_ack(struct drm_i915_private *i915, enum port port,
>         enum phy phy = intel_port_to_phy(i915, port);
> 
>         if (__intel_de_wait_for_register(i915,
>-                                         XELPDP_PORT_P2M_MSGBUS_STATUS(port, lane),
>+                                         XELPDP_PORT_P2M_MSGBUS_STATUS(i915, port, lane),
>                                          XELPDP_PORT_P2M_RESPONSE_READY,
>                                          XELPDP_PORT_P2M_RESPONSE_READY,
>                                          XELPDP_MSGBUS_TIMEOUT_FAST_US,
>@@ -199,7 +199,7 @@ static int __intel_cx0_read_once(struct drm_i915_private *i915, enum port port,
>         int ack;
>         u32 val;
> 
>-        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                                     XELPDP_PORT_M2P_TRANSACTION_PENDING,
>                                     XELPDP_MSGBUS_TIMEOUT_SLOW)) {
>                 drm_dbg_kms(&i915->drm,
>@@ -208,7 +208,7 @@ static int __intel_cx0_read_once(struct drm_i915_private *i915, enum port port,
>                 return -ETIMEDOUT;
>         }
> 
>-        intel_de_write(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+        intel_de_write(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                        XELPDP_PORT_M2P_TRANSACTION_PENDING |
>                        XELPDP_PORT_M2P_COMMAND_READ |
>                        XELPDP_PORT_M2P_ADDRESS(addr));
>@@ -259,7 +259,7 @@ static int __intel_cx0_write_once(struct drm_i915_private *i915, enum port port,
>         int ack;
>         u32 val;
> 
>-        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                                     XELPDP_PORT_M2P_TRANSACTION_PENDING,
>                                     XELPDP_MSGBUS_TIMEOUT_SLOW)) {
>                 drm_dbg_kms(&i915->drm,
>@@ -268,14 +268,14 @@ static int __intel_cx0_write_once(struct drm_i915_private *i915, enum port port,
>                 return -ETIMEDOUT;
>         }
> 
>-        intel_de_write(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+        intel_de_write(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                        XELPDP_PORT_M2P_TRANSACTION_PENDING |
>                        (committed ? XELPDP_PORT_M2P_COMMAND_WRITE_COMMITTED :
>                                     XELPDP_PORT_M2P_COMMAND_WRITE_UNCOMMITTED) |
>                        XELPDP_PORT_M2P_DATA(data) |
>                        XELPDP_PORT_M2P_ADDRESS(addr));
> 
>-        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+        if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                                     XELPDP_PORT_M2P_TRANSACTION_PENDING,
>                                     XELPDP_MSGBUS_TIMEOUT_SLOW)) {
>                 drm_dbg_kms(&i915->drm,
>@@ -288,7 +288,7 @@ static int __intel_cx0_write_once(struct drm_i915_private *i915, enum port port,
>                 ack = intel_cx0_wait_for_ack(i915, port, XELPDP_PORT_P2M_COMMAND_WRITE_ACK, lane, &val);
>                 if (ack < 0)
>                         return ack;
>-        } else if ((intel_de_read(i915, XELPDP_PORT_P2M_MSGBUS_STATUS(port, lane)) &
>+        } else if ((intel_de_read(i915, XELPDP_PORT_P2M_MSGBUS_STATUS(i915, port, lane)) &
>                     XELPDP_PORT_P2M_ERROR_SET)) {
>                 drm_dbg_kms(&i915->drm,
>                             "PHY %c Error occurred during write command.\n", phy_name(phy));
>@@ -2470,7 +2470,8 @@ static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
>         struct drm_i915_private *i915 = to_i915(encoder->base.dev);
>         u32 val = 0;
> 
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL1(encoder->port), XELPDP_PORT_REVERSAL,
>+        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL1(i915, encoder->port),
>+                     XELPDP_PORT_REVERSAL,
>                      lane_reversal ? XELPDP_PORT_REVERSAL : 0);
> 
>         if (lane_reversal)
>@@ -2490,7 +2491,7 @@ static void intel_program_port_clock_ctl(struct intel_encoder *encoder,
>         else
>                 val |= crtc_state->cx0pll_state.ssc_enabled ? XELPDP_SSC_ENABLE_PLLB : 0;
> 
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      XELPDP_LANE1_PHY_CLOCK_SELECT | XELPDP_FORWARD_CLOCK_UNGATE |
>                      XELPDP_DDI_CLOCK_SELECT_MASK | XELPDP_SSC_ENABLE_PLLA |
>                      XELPDP_SSC_ENABLE_PLLB, val);
>@@ -2523,15 +2524,16 @@ static void intel_cx0_powerdown_change_sequence(struct drm_i915_private *i915,
>                                                 u8 lane_mask, u8 state)
> {
>         enum phy phy = intel_port_to_phy(i915, port);
>+        i915_reg_t buf_ctl2_reg = XELPDP_PORT_BUF_CTL2(i915, port);
>         int lane;
> 
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(port),
>+        intel_de_rmw(i915, buf_ctl2_reg,
>                      intel_cx0_get_powerdown_state(INTEL_CX0_BOTH_LANES, XELPDP_LANE_POWERDOWN_NEW_STATE_MASK),
>                      intel_cx0_get_powerdown_state(lane_mask, state));
> 
>         /* Wait for pending transactions.*/
>         for_each_cx0_lane_in_mask(lane_mask, lane)
>-                if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(port, lane),
>+                if (intel_de_wait_for_clear(i915, XELPDP_PORT_M2P_MSGBUS_CTL(i915, port, lane),
>                                             XELPDP_PORT_M2P_TRANSACTION_PENDING,
>                                             XELPDP_MSGBUS_TIMEOUT_SLOW)) {
>                         drm_dbg_kms(&i915->drm,
>@@ -2540,12 +2542,12 @@ static void intel_cx0_powerdown_change_sequence(struct drm_i915_private *i915,
>                         intel_cx0_bus_reset(i915, port, lane);
>                 }
> 
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(port),
>+        intel_de_rmw(i915, buf_ctl2_reg,
>                      intel_cx0_get_powerdown_update(INTEL_CX0_BOTH_LANES),
>                      intel_cx0_get_powerdown_update(lane_mask));
> 
>         /* Update Timeout Value */
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_BUF_CTL2(port),
>+        if (__intel_de_wait_for_register(i915, buf_ctl2_reg,
>                                          intel_cx0_get_powerdown_update(lane_mask), 0,
>                                          XELPDP_PORT_POWERDOWN_UPDATE_TIMEOUT_US, 0, NULL))
>                 drm_warn(&i915->drm, "PHY %c failed to bring out of Lane reset after %dus.\n",
>@@ -2554,10 +2556,10 @@ static void intel_cx0_powerdown_change_sequence(struct drm_i915_private *i915,
> 
> static void intel_cx0_setup_powerdown(struct drm_i915_private *i915, enum port port)
> {
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(port),
>+        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(i915, port),
>                      XELPDP_POWER_STATE_READY_MASK,
>                      XELPDP_POWER_STATE_READY(CX0_P2_STATE_READY));
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL3(port),
>+        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL3(i915, port),
>                      XELPDP_POWER_STATE_ACTIVE_MASK |
>                      XELPDP_PLL_LANE_STAGGERING_DELAY_MASK,
>                      XELPDP_POWER_STATE_ACTIVE(CX0_P0_STATE_ACTIVE) |
>@@ -2602,28 +2604,28 @@ static void intel_cx0_phy_lane_reset(struct drm_i915_private *i915,
>                                            XELPDP_LANE_PHY_CURRENT_STATUS(1))
>                                         : XELPDP_LANE_PHY_CURRENT_STATUS(0);
> 
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_BUF_CTL1(port),
>+        if (__intel_de_wait_for_register(i915, XELPDP_PORT_BUF_CTL1(i915, port),
>                                          XELPDP_PORT_BUF_SOC_PHY_READY,
>                                          XELPDP_PORT_BUF_SOC_PHY_READY,
>                                          XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US, 0, NULL))
>                 drm_warn(&i915->drm, "PHY %c failed to bring out of SOC reset after %dus.\n",
>                          phy_name(phy), XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US);
> 
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(port),
>+        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(i915, port),
>                      XELPDP_LANE_PIPE_RESET(0) | XELPDP_LANE_PIPE_RESET(1),
>                      lane_pipe_reset);
> 
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_BUF_CTL2(port),
>+        if (__intel_de_wait_for_register(i915, XELPDP_PORT_BUF_CTL2(i915, port),
>                                          lane_phy_current_status, lane_phy_current_status,
>                                          XELPDP_PORT_RESET_START_TIMEOUT_US, 0, NULL))
>                 drm_warn(&i915->drm, "PHY %c failed to bring out of Lane reset after %dus.\n",
>                          phy_name(phy), XELPDP_PORT_RESET_START_TIMEOUT_US);
> 
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, port),
>                      intel_cx0_get_pclk_refclk_request(owned_lane_mask),
>                      intel_cx0_get_pclk_refclk_request(lane_mask));
> 
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(port),
>+        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(i915, port),
>                                          intel_cx0_get_pclk_refclk_ack(owned_lane_mask),
>                                          intel_cx0_get_pclk_refclk_ack(lane_mask),
>                                          XELPDP_REFCLK_ENABLE_TIMEOUT_US, 0, NULL))
>@@ -2634,9 +2636,10 @@ static void intel_cx0_phy_lane_reset(struct drm_i915_private *i915,
>                                             CX0_P2_STATE_RESET);
>         intel_cx0_setup_powerdown(i915, port);
> 
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(port), lane_pipe_reset, 0);
>+        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(i915, port), lane_pipe_reset, 0);
> 
>-        if (intel_de_wait_for_clear(i915, XELPDP_PORT_BUF_CTL2(port), lane_phy_current_status,
>+        if (intel_de_wait_for_clear(i915, XELPDP_PORT_BUF_CTL2(i915, port),
>+                                    lane_phy_current_status,
>                                     XELPDP_PORT_RESET_END_TIMEOUT))
>                 drm_warn(&i915->drm, "PHY %c failed to bring out of Lane reset after %dms.\n",
>                          phy_name(phy), XELPDP_PORT_RESET_END_TIMEOUT);
>@@ -2765,12 +2768,12 @@ static void intel_cx0pll_enable(struct intel_encoder *encoder,
>          * 8. Set PORT_CLOCK_CTL register PCLK PLL Request
>          * LN<Lane for maxPCLK> to "1" to enable PLL.
>          */
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      intel_cx0_get_pclk_pll_request(INTEL_CX0_BOTH_LANES),
>                      intel_cx0_get_pclk_pll_request(maxpclk_lane));
> 
>         /* 9. Poll on PORT_CLOCK_CTL PCLK PLL Ack LN<Lane for maxPCLK> == "1". */
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                                          intel_cx0_get_pclk_pll_ack(INTEL_CX0_BOTH_LANES),
>                                          intel_cx0_get_pclk_pll_ack(maxpclk_lane),
>                                          XELPDP_PCLK_PLL_ENABLE_TIMEOUT_US, 0, NULL))
>@@ -2790,7 +2793,7 @@ int intel_mtl_tbt_calc_port_clock(struct intel_encoder *encoder)
> {
>         struct drm_i915_private *i915 = to_i915(encoder->base.dev);
>         u32 clock;
>-        u32 val = intel_de_read(i915, XELPDP_PORT_CLOCK_CTL(encoder->port));
>+        u32 val = intel_de_read(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port));
> 
>         clock = REG_FIELD_GET(XELPDP_DDI_CLOCK_SELECT_MASK, val);
> 
>@@ -2843,11 +2846,11 @@ static void intel_mtl_tbt_pll_enable(struct intel_encoder *encoder,
>          */
>         val |= XELPDP_DDI_CLOCK_SELECT(intel_mtl_tbt_clock_select(i915, crtc_state->port_clock));
>         val |= XELPDP_FORWARD_CLOCK_UNGATE;
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      XELPDP_DDI_CLOCK_SELECT_MASK | XELPDP_FORWARD_CLOCK_UNGATE, val);
> 
>         /* 2. Read back PORT_CLOCK_CTL REGISTER */
>-        val = intel_de_read(i915, XELPDP_PORT_CLOCK_CTL(encoder->port));
>+        val = intel_de_read(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port));
> 
>         /*
>          * 3. Follow the Display Voltage Frequency Switching - Sequence
>@@ -2858,10 +2861,10 @@ static void intel_mtl_tbt_pll_enable(struct intel_encoder *encoder,
>          * 4. Set PORT_CLOCK_CTL register TBT CLOCK Request to "1" to enable PLL.
>          */
>         val |= XELPDP_TBT_CLOCK_REQUEST;
>-        intel_de_write(i915, XELPDP_PORT_CLOCK_CTL(encoder->port), val);
>+        intel_de_write(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port), val);
> 
>         /* 5. Poll on PORT_CLOCK_CTL TBT CLOCK Ack == "1". */
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                                          XELPDP_TBT_CLOCK_ACK,
>                                          XELPDP_TBT_CLOCK_ACK,
>                                          100, 0, NULL))
>@@ -2913,7 +2916,7 @@ static void intel_cx0pll_disable(struct intel_encoder *encoder)
>          * 3. Set PORT_CLOCK_CTL register PCLK PLL Request LN<Lane for maxPCLK>
>          * to "0" to disable PLL.
>          */
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      intel_cx0_get_pclk_pll_request(INTEL_CX0_BOTH_LANES) |
>                      intel_cx0_get_pclk_refclk_request(INTEL_CX0_BOTH_LANES), 0);
> 
>@@ -2923,7 +2926,7 @@ static void intel_cx0pll_disable(struct intel_encoder *encoder)
>         /*
>          * 5. Poll on PORT_CLOCK_CTL PCLK PLL Ack LN<Lane for maxPCLK**> == "0".
>          */
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                                          intel_cx0_get_pclk_pll_ack(INTEL_CX0_BOTH_LANES) |
>                                          intel_cx0_get_pclk_refclk_ack(INTEL_CX0_BOTH_LANES), 0,
>                                          XELPDP_PCLK_PLL_DISABLE_TIMEOUT_US, 0, NULL))
>@@ -2936,9 +2939,9 @@ static void intel_cx0pll_disable(struct intel_encoder *encoder)
>          */
> 
>         /* 7. Program PORT_CLOCK_CTL register to disable and gate clocks. */
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      XELPDP_DDI_CLOCK_SELECT_MASK, 0);
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      XELPDP_FORWARD_CLOCK_UNGATE, 0);
> 
>         intel_cx0_phy_transaction_end(encoder, wakeref);
>@@ -2957,11 +2960,11 @@ static void intel_mtl_tbt_pll_disable(struct intel_encoder *encoder)
>         /*
>          * 2. Set PORT_CLOCK_CTL register TBT CLOCK Request to "0" to disable PLL.
>          */
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      XELPDP_TBT_CLOCK_REQUEST, 0);
> 
>         /* 3. Poll on PORT_CLOCK_CTL TBT CLOCK Ack == "0". */
>-        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                                          XELPDP_TBT_CLOCK_ACK, 0, 10, 0, NULL))
>                 drm_warn(&i915->drm, "[ENCODER:%d:%s][%c] PHY PLL not unlocked after 10us.\n",
>                          encoder->base.base.id, encoder->base.name, phy_name(phy));
>@@ -2974,7 +2977,7 @@ static void intel_mtl_tbt_pll_disable(struct intel_encoder *encoder)
>         /*
>          * 5. Program PORT CLOCK CTRL register to disable and gate clocks
>          */
>-        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port),
>                      XELPDP_DDI_CLOCK_SELECT_MASK |
>                      XELPDP_FORWARD_CLOCK_UNGATE, 0);
> 
>@@ -3001,7 +3004,7 @@ intel_mtl_port_pll_type(struct intel_encoder *encoder,
>          * TODO: Determine the PLL type from the SW state, once MTL PLL
>          * handling is done via the standard shared DPLL framework.
>          */
>-        u32 val = intel_de_read(i915, XELPDP_PORT_CLOCK_CTL(encoder->port));
>+        u32 val = intel_de_read(i915, XELPDP_PORT_CLOCK_CTL(i915, encoder->port));
>         u32 clock = REG_FIELD_GET(XELPDP_DDI_CLOCK_SELECT_MASK, val);
> 
>         if (clock == XELPDP_DDI_CLOCK_SELECT_MAXPCLK ||
>diff --git a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
>index b2db4cc366d6..ff7f10d91e50 100644
>--- a/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
>+++ b/drivers/gpu/drm/i915/display/intel_cx0_phy_regs.h
>@@ -7,16 +7,39 @@
> #define __INTEL_CX0_PHY_REGS_H__
> 
> #include "i915_reg_defs.h"
>+#include "intel_display_limits.h"
>+
>+/*
>+ * Wrapper macro to convert from port number to the index used in some of the
>+ * registers. For Display version 20 and above it converts the port number to a
>+ * single range, starting with the TC offsets. When used together with
>+ * _PICK_EVEN_2RANGES(idx, PORT_TC1, ...), this single range will be the second
>+ * range. Example:
>+ *
>+ * PORT_TC1 -> PORT_TC1
>+ * PORT_TC2 -> PORT_TC2
>+ * PORT_TC3 -> PORT_TC3
>+ * PORT_TC4 -> PORT_TC4
>+ * PORT_A   -> PORT_TC4 + 1
>+ * PORT_B   -> PORT_TC4 + 2
>+ * ...
>+ */
>+#define __xe2lpd_port_idx(port)                                                \
>+        (port >= PORT_TC1 ? port : PORT_TC4 + 1 + port - PORT_A)
> 
> #define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A                0x64040
> #define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B                0x64140
> #define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1                0x16F240
> #define _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2                0x16F440
>-#define XELPDP_PORT_M2P_MSGBUS_CTL(port, lane)                _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>+#define _XELPDP_PORT_M2P_MSGBUS_CTL(idx, lane)                _MMIO(_PICK_EVEN_2RANGES(idx, PORT_TC1, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2) + (lane) * 4)
>+#define XELPDP_PORT_M2P_MSGBUS_CTL(i915__, port, lane)                                \
>+        (DISPLAY_VER(i915__) >= 20 ?                                                \
>+         _XELPDP_PORT_M2P_MSGBUS_CTL(__xe2lpd_port_idx(port), lane) :                \
>+         _XELPDP_PORT_M2P_MSGBUS_CTL(port, lane))
> #define   XELPDP_PORT_M2P_TRANSACTION_PENDING                REG_BIT(31)
> #define   XELPDP_PORT_M2P_COMMAND_TYPE_MASK                REG_GENMASK(30, 27)
> #define   XELPDP_PORT_M2P_COMMAND_WRITE_UNCOMMITTED        REG_FIELD_PREP(XELPDP_PORT_M2P_COMMAND_TYPE_MASK, 0x1)
>@@ -27,11 +50,16 @@
> #define   XELPDP_PORT_M2P_TRANSACTION_RESET                REG_BIT(15)
> #define   XELPDP_PORT_M2P_ADDRESS_MASK                        REG_GENMASK(11, 0)
> #define   XELPDP_PORT_M2P_ADDRESS(val)                        REG_FIELD_PREP(XELPDP_PORT_M2P_ADDRESS_MASK, val)
>-#define XELPDP_PORT_P2M_MSGBUS_STATUS(port, lane)        _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>+
>+#define _XELPDP_PORT_P2M_MSGBUS_STATUS(idx, lane)        _MMIO(_PICK_EVEN_2RANGES(idx, PORT_TC1, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_A, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_B, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC1, \
>                                                                                  _XELPDP_PORT_M2P_MSGBUS_CTL_LN0_USBC2) + (lane) * 4 + 8)
>+#define XELPDP_PORT_P2M_MSGBUS_STATUS(i915__, port, lane)                        \
>+        (DISPLAY_VER(i915__) >= 20 ?                                                \
>+         _XELPDP_PORT_P2M_MSGBUS_STATUS(__xe2lpd_port_idx(port), lane) :        \
>+         _XELPDP_PORT_P2M_MSGBUS_STATUS(port, lane))
> #define   XELPDP_PORT_P2M_RESPONSE_READY                REG_BIT(31)
> #define   XELPDP_PORT_P2M_COMMAND_TYPE_MASK                REG_GENMASK(30, 27)
> #define   XELPDP_PORT_P2M_COMMAND_READ_ACK                0x4
>@@ -54,11 +82,15 @@
> #define _XELPDP_PORT_BUF_CTL1_LN0_B                        0x64104
> #define _XELPDP_PORT_BUF_CTL1_LN0_USBC1                        0x16F200
> #define _XELPDP_PORT_BUF_CTL1_LN0_USBC2                        0x16F400
>-#define XELPDP_PORT_BUF_CTL1(port)                        _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>+#define _XELPDP_PORT_BUF_CTL1(idx)                        _MMIO(_PICK_EVEN_2RANGES(idx, PORT_TC1, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_A, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_B, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_USBC1, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_USBC2))
>+#define XELPDP_PORT_BUF_CTL1(i915__, port)                                        \
>+        (DISPLAY_VER(i915__) >= 20 ?                                                \
>+         _XELPDP_PORT_BUF_CTL1(__xe2lpd_port_idx(port)) :                        \
>+         _XELPDP_PORT_BUF_CTL1(port))
> #define   XELPDP_PORT_BUF_D2D_LINK_ENABLE                REG_BIT(29)
> #define   XELPDP_PORT_BUF_D2D_LINK_STATE                REG_BIT(28)
> #define   XELPDP_PORT_BUF_SOC_PHY_READY                        REG_BIT(24)
>@@ -75,12 +107,15 @@
> #define   XELPDP_PORT_WIDTH_MASK                        REG_GENMASK(3, 1)
> #define   XELPDP_PORT_WIDTH(val)                        REG_FIELD_PREP(XELPDP_PORT_WIDTH_MASK, val)
> 
>-#define XELPDP_PORT_BUF_CTL2(port)                        _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>+#define _XELPDP_PORT_BUF_CTL2(idx)                        _MMIO(_PICK_EVEN_2RANGES(idx, PORT_TC1, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_A, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_B, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_USBC1, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_USBC2) + 4)
>-
>+#define XELPDP_PORT_BUF_CTL2(i915__, port)                                        \
>+        (DISPLAY_VER(i915__) >= 20 ?                                                \
>+         _XELPDP_PORT_BUF_CTL2(__xe2lpd_port_idx(port)) :                        \
>+         _XELPDP_PORT_BUF_CTL2(port))
> #define   XELPDP_LANE_PIPE_RESET(lane)                        _PICK(lane, REG_BIT(31), REG_BIT(30))
> #define   XELPDP_LANE_PHY_CURRENT_STATUS(lane)                _PICK(lane, REG_BIT(29), REG_BIT(28))
> #define   XELPDP_LANE_POWERDOWN_UPDATE(lane)                _PICK(lane, REG_BIT(25), REG_BIT(24))
>@@ -95,11 +130,15 @@
> #define   XELPDP_POWER_STATE_READY_MASK                        REG_GENMASK(7, 4)
> #define   XELPDP_POWER_STATE_READY(val)                        REG_FIELD_PREP(XELPDP_POWER_STATE_READY_MASK, val)
> 
>-#define XELPDP_PORT_BUF_CTL3(port)                        _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>+#define _XELPDP_PORT_BUF_CTL3(idx)                        _MMIO(_PICK_EVEN_2RANGES(idx, PORT_TC1, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_A, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_B, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_USBC1, \
>                                                                                  _XELPDP_PORT_BUF_CTL1_LN0_USBC2) + 8)
>+#define XELPDP_PORT_BUF_CTL3(i915__, port)                                        \
>+        (DISPLAY_VER(i915__) >= 20 ?                                                \
>+         _XELPDP_PORT_BUF_CTL3(__xe2lpd_port_idx(port)) :                        \
>+         _XELPDP_PORT_BUF_CTL3(port))
> #define   XELPDP_PLL_LANE_STAGGERING_DELAY_MASK                REG_GENMASK(15, 8)
> #define   XELPDP_PLL_LANE_STAGGERING_DELAY(val)                REG_FIELD_PREP(XELPDP_PLL_LANE_STAGGERING_DELAY_MASK, val)
> #define   XELPDP_POWER_STATE_ACTIVE_MASK                REG_GENMASK(3, 0)
>@@ -114,11 +153,15 @@
> #define _XELPDP_PORT_MSGBUS_TIMER_LN0_B                        0x641d8
> #define _XELPDP_PORT_MSGBUS_TIMER_LN0_USBC1                0x16f258
> #define _XELPDP_PORT_MSGBUS_TIMER_LN0_USBC2                0x16f458
>-#define XELPDP_PORT_MSGBUS_TIMER(port, lane)                _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>+#define _XELPDP_PORT_MSGBUS_TIMER(port, lane)                _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>                                                                                  _XELPDP_PORT_MSGBUS_TIMER_LN0_A, \
>                                                                                  _XELPDP_PORT_MSGBUS_TIMER_LN0_B, \
>                                                                                  _XELPDP_PORT_MSGBUS_TIMER_LN0_USBC1, \
>                                                                                  _XELPDP_PORT_MSGBUS_TIMER_LN0_USBC2) + (lane) * 4)
>+#define XELPDP_PORT_MSGBUS_TIMER(i915__, port, lane)                                \
>+        (DISPLAY_VER(i915__) >= 20 ?                                                \
>+         _XELPDP_PORT_MSGBUS_TIMER(__xe2lpd_port_idx(port), lane) :                \
>+         _XELPDP_PORT_MSGBUS_TIMER(port, lane))
> #define   XELPDP_PORT_MSGBUS_TIMER_TIMED_OUT                REG_BIT(31)
> #define   XELPDP_PORT_MSGBUS_TIMER_VAL_MASK                REG_GENMASK(23, 0)
> #define   XELPDP_PORT_MSGBUS_TIMER_VAL(val)                REG_FIELD_PREP(XELPDP_PORT_MSGBUS_TIMER_VAL_MASK, val)
>@@ -127,11 +170,15 @@
> #define _XELPDP_PORT_CLOCK_CTL_B                        0x641E0
> #define _XELPDP_PORT_CLOCK_CTL_USBC1                        0x16F260
> #define _XELPDP_PORT_CLOCK_CTL_USBC2                        0x16F460
>-#define XELPDP_PORT_CLOCK_CTL(port)                        _MMIO(_PICK_EVEN_2RANGES(port, PORT_TC1, \
>+#define _XELPDP_PORT_CLOCK_CTL(idx)                        _MMIO(_PICK_EVEN_2RANGES(idx, PORT_TC1, \
>                                                                                  _XELPDP_PORT_CLOCK_CTL_A, \
>                                                                                  _XELPDP_PORT_CLOCK_CTL_B, \
>                                                                                  _XELPDP_PORT_CLOCK_CTL_USBC1, \
>                                                                                  _XELPDP_PORT_CLOCK_CTL_USBC2))
>+#define XELPDP_PORT_CLOCK_CTL(i915__, port)                                        \
>+        (DISPLAY_VER(i915__) >= 20 ?                                                \
>+         _XELPDP_PORT_CLOCK_CTL(__xe2lpd_port_idx(port)) :                        \
>+         _XELPDP_PORT_CLOCK_CTL(port))
> #define   XELPDP_LANE_PCLK_PLL_REQUEST(lane)                REG_BIT(31 - ((lane) * 4))
> #define   XELPDP_LANE_PCLK_PLL_ACK(lane)                REG_BIT(30 - ((lane) * 4))
> #define   XELPDP_LANE_PCLK_REFCLK_REQUEST(lane)                REG_BIT(29 - ((lane) * 4))
>diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>index 53d8f13f8471..2509785daf7b 100644
>--- a/drivers/gpu/drm/i915/display/intel_ddi.c
>+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>@@ -177,7 +177,7 @@ static void mtl_wait_ddi_buf_idle(struct drm_i915_private *i915, enum port port)
>         int ret;
> 
>         /* FIXME: find out why Bspec's 100us timeout is too short */
>-        ret = wait_for_us((intel_de_read(i915, XELPDP_PORT_BUF_CTL1(port)) &
>+        ret = wait_for_us((intel_de_read(i915, XELPDP_PORT_BUF_CTL1(i915, port)) &
>                            XELPDP_PORT_BUF_PHY_IDLE), 10000);
>         if (ret)
>                 drm_err(&i915->drm, "Timeout waiting for DDI BUF %c to get idle\n",
>@@ -225,7 +225,9 @@ static void intel_wait_ddi_buf_active(struct drm_i915_private *dev_priv,
>         }
> 
>         if (DISPLAY_VER(dev_priv) >= 14)
>-                ret = _wait_for(!(intel_de_read(dev_priv, XELPDP_PORT_BUF_CTL1(port)) & XELPDP_PORT_BUF_PHY_IDLE),
>+                ret = _wait_for(!(intel_de_read(dev_priv,
>+                                                XELPDP_PORT_BUF_CTL1(dev_priv, port)) &
>+                                  XELPDP_PORT_BUF_PHY_IDLE),
>                                 timeout_us, 10, 10);
>         else
>                 ret = _wait_for(!(intel_de_read(dev_priv, DDI_BUF_CTL(port)) & DDI_BUF_IS_IDLE),
>@@ -2366,7 +2368,7 @@ mtl_ddi_enable_d2d(struct intel_encoder *encoder)
>                 wait_bits = XE2LPD_DDI_BUF_D2D_LINK_STATE;
>                 dig_port->saved_port_bits |= XE2LPD_DDI_BUF_D2D_LINK_ENABLE;
>         } else {
>-                reg = XELPDP_PORT_BUF_CTL1(port);
>+                reg = XELPDP_PORT_BUF_CTL1(dev_priv, port);
>                 set_bits = XELPDP_PORT_BUF_D2D_LINK_ENABLE;
>                 wait_bits = XELPDP_PORT_BUF_D2D_LINK_STATE;
>         }
>@@ -2386,7 +2388,7 @@ static void mtl_port_buf_ctl_program(struct intel_encoder *encoder,
>         enum port port = encoder->port;
>         u32 val;
> 
>-        val = intel_de_read(i915, XELPDP_PORT_BUF_CTL1(port));
>+        val = intel_de_read(i915, XELPDP_PORT_BUF_CTL1(i915, port));
>         val &= ~XELPDP_PORT_WIDTH_MASK;
>         val |= XELPDP_PORT_WIDTH(mtl_get_port_width(crtc_state->lane_count));
> 
>@@ -2399,7 +2401,7 @@ static void mtl_port_buf_ctl_program(struct intel_encoder *encoder,
>         if (dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL)
>                 val |= XELPDP_PORT_REVERSAL;
> 
>-        intel_de_write(i915, XELPDP_PORT_BUF_CTL1(port), val);
>+        intel_de_write(i915, XELPDP_PORT_BUF_CTL1(i915, port), val);
> }
> 
> static void mtl_port_buf_ctl_io_selection(struct intel_encoder *encoder)
>@@ -2410,7 +2412,7 @@ static void mtl_port_buf_ctl_io_selection(struct intel_encoder *encoder)
> 
>         val = intel_tc_port_in_tbt_alt_mode(dig_port) ?
>               XELPDP_PORT_BUF_IO_SELECT_TBT : 0;
>-        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL1(encoder->port),
>+        intel_de_rmw(i915, XELPDP_PORT_BUF_CTL1(i915, encoder->port),
>                      XELPDP_PORT_BUF_IO_SELECT_TBT, val);
> }
> 
>@@ -2830,7 +2832,7 @@ mtl_ddi_disable_d2d_link(struct intel_encoder *encoder)
>                 wait_bits = XE2LPD_DDI_BUF_D2D_LINK_STATE;
>                 dig_port->saved_port_bits &= ~XE2LPD_DDI_BUF_D2D_LINK_ENABLE;
>         } else {
>-                reg = XELPDP_PORT_BUF_CTL1(port);
>+                reg = XELPDP_PORT_BUF_CTL1(dev_priv, port);
>                 clr_bits = XELPDP_PORT_BUF_D2D_LINK_ENABLE;
>                 wait_bits = XELPDP_PORT_BUF_D2D_LINK_STATE;
>         }
>@@ -2968,7 +2970,7 @@ static void intel_ddi_post_disable_dp(struct intel_atomic_state *state,
> 
>         /* De-select Thunderbolt */
>         if (DISPLAY_VER(dev_priv) >= 14)
>-                intel_de_rmw(dev_priv, XELPDP_PORT_BUF_CTL1(encoder->port),
>+                intel_de_rmw(dev_priv, XELPDP_PORT_BUF_CTL1(dev_priv, encoder->port),
>                              XELPDP_PORT_BUF_IO_SELECT_TBT, 0);
> }
> 
>@@ -3241,7 +3243,7 @@ static void intel_enable_ddi_hdmi(struct intel_atomic_state *state,
>                 if (dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL)
>                         port_buf |= XELPDP_PORT_REVERSAL;
> 
>-                intel_de_rmw(dev_priv, XELPDP_PORT_BUF_CTL1(port),
>+                intel_de_rmw(dev_priv, XELPDP_PORT_BUF_CTL1(dev_priv, port),
>                              XELPDP_PORT_WIDTH_MASK | XELPDP_PORT_REVERSAL, port_buf);
> 
>                 dig_port->saved_port_bits |= DDI_PORT_WIDTH(lane_count);
>diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
>index 3c94bbcb5497..678693978892 100644
>--- a/drivers/gpu/drm/i915/display/intel_tc.c
>+++ b/drivers/gpu/drm/i915/display/intel_tc.c
>@@ -958,10 +958,11 @@ xelpdp_tc_phy_tcss_power_is_enabled(struct intel_tc_port *tc)
> {
>         struct drm_i915_private *i915 = tc_to_i915(tc);
>         enum port port = tc->dig_port->base.port;
>+        i915_reg_t reg = XELPDP_PORT_BUF_CTL1(i915, port);
> 
>         assert_tc_cold_blocked(tc);
> 
>-        return intel_de_read(i915, XELPDP_PORT_BUF_CTL1(port)) & XELPDP_TCSS_POWER_STATE;
>+        return intel_de_read(i915, reg) & XELPDP_TCSS_POWER_STATE;
> }
> 
> static bool
>@@ -984,16 +985,17 @@ static void __xelpdp_tc_phy_enable_tcss_power(struct intel_tc_port *tc, bool ena
> {
>         struct drm_i915_private *i915 = tc_to_i915(tc);
>         enum port port = tc->dig_port->base.port;
>+        i915_reg_t reg = XELPDP_PORT_BUF_CTL1(i915, port);
>         u32 val;
> 
>         assert_tc_cold_blocked(tc);
> 
>-        val = intel_de_read(i915, XELPDP_PORT_BUF_CTL1(port));
>+        val = intel_de_read(i915, reg);
>         if (enable)
>                 val |= XELPDP_TCSS_POWER_REQUEST;
>         else
>                 val &= ~XELPDP_TCSS_POWER_REQUEST;
>-        intel_de_write(i915, XELPDP_PORT_BUF_CTL1(port), val);
>+        intel_de_write(i915, reg, val);
> }
> 
> static bool xelpdp_tc_phy_enable_tcss_power(struct intel_tc_port *tc, bool enable)
>@@ -1020,26 +1022,28 @@ static void xelpdp_tc_phy_take_ownership(struct intel_tc_port *tc, bool take)
> {
>         struct drm_i915_private *i915 = tc_to_i915(tc);
>         enum port port = tc->dig_port->base.port;
>+        i915_reg_t reg = XELPDP_PORT_BUF_CTL1(i915, port);
>         u32 val;
> 
>         assert_tc_cold_blocked(tc);
> 
>-        val = intel_de_read(i915, XELPDP_PORT_BUF_CTL1(port));
>+        val = intel_de_read(i915, reg);
>         if (take)
>                 val |= XELPDP_TC_PHY_OWNERSHIP;
>         else
>                 val &= ~XELPDP_TC_PHY_OWNERSHIP;
>-        intel_de_write(i915, XELPDP_PORT_BUF_CTL1(port), val);
>+        intel_de_write(i915, reg, val);
> }
> 
> static bool xelpdp_tc_phy_is_owned(struct intel_tc_port *tc)
> {
>         struct drm_i915_private *i915 = tc_to_i915(tc);
>         enum port port = tc->dig_port->base.port;
>+        i915_reg_t reg = XELPDP_PORT_BUF_CTL1(i915, port);
> 
>         assert_tc_cold_blocked(tc);
> 
>-        return intel_de_read(i915, XELPDP_PORT_BUF_CTL1(port)) & XELPDP_TC_PHY_OWNERSHIP;
>+        return intel_de_read(i915, reg) & XELPDP_TC_PHY_OWNERSHIP;
> }
> 
> static void xelpdp_tc_phy_get_hw_state(struct intel_tc_port *tc)
>-- 
>2.40.1
>




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