Hi Luca, kernel test robot noticed the following build errors: [auto build test ERROR on drm-tip/drm-tip] url: https://github.com/intel-lab-lkp/linux/commits/Luca-Coelho/drm-i915-tc-rename-mtl_tc_port_get_pin_assignment_mask/20230719-213204 base: git://anongit.freedesktop.org/drm/drm-tip drm-tip patch link: https://lore.kernel.org/r/20230719132822.305612-5-luciano.coelho%40intel.com patch subject: [PATCH 4/4] drm/i915/tc: remove "fia" from intel_tc_port_fia_max_lane_count() config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20230719/202307192336.hHukzc8N-lkp@xxxxxxxxx/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce: (https://download.01.org/0day-ci/archive/20230719/202307192336.hHukzc8N-lkp@xxxxxxxxx/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202307192336.hHukzc8N-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): drivers/gpu/drm/i915/display/intel_cx0_phy.c: In function 'intel_cx0_phy_lane_reset': >> drivers/gpu/drm/i915/display/intel_cx0_phy.c:2537:28: error: implicit declaration of function 'intel_tc_port_fia_max_lane_count'; did you mean 'intel_tc_port_max_lane_count'? [-Werror=implicit-function-declaration] 2537 | bool both_lanes = intel_tc_port_fia_max_lane_count(enc_to_dig_port(encoder)) > 2; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | intel_tc_port_max_lane_count cc1: all warnings being treated as errors vim +2537 drivers/gpu/drm/i915/display/intel_cx0_phy.c 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2530 619a06dba6fa38 Mika Kahola 2023-06-01 2531 static void intel_cx0_phy_lane_reset(struct drm_i915_private *i915, 619a06dba6fa38 Mika Kahola 2023-06-01 2532 struct intel_encoder *encoder, 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2533 bool lane_reversal) 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2534 { 619a06dba6fa38 Mika Kahola 2023-06-01 2535 enum port port = encoder->port; 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2536 enum phy phy = intel_port_to_phy(i915, port); 619a06dba6fa38 Mika Kahola 2023-06-01 @2537 bool both_lanes = intel_tc_port_fia_max_lane_count(enc_to_dig_port(encoder)) > 2; 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2538 u8 lane_mask = lane_reversal ? INTEL_CX0_LANE1 : 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2539 INTEL_CX0_LANE0; 619a06dba6fa38 Mika Kahola 2023-06-01 2540 u32 lane_pipe_reset = both_lanes ? 619a06dba6fa38 Mika Kahola 2023-06-01 2541 XELPDP_LANE_PIPE_RESET(0) | 619a06dba6fa38 Mika Kahola 2023-06-01 2542 XELPDP_LANE_PIPE_RESET(1) : 619a06dba6fa38 Mika Kahola 2023-06-01 2543 XELPDP_LANE_PIPE_RESET(0); 619a06dba6fa38 Mika Kahola 2023-06-01 2544 u32 lane_phy_current_status = both_lanes ? 619a06dba6fa38 Mika Kahola 2023-06-01 2545 XELPDP_LANE_PHY_CURRENT_STATUS(0) | 619a06dba6fa38 Mika Kahola 2023-06-01 2546 XELPDP_LANE_PHY_CURRENT_STATUS(1) : 619a06dba6fa38 Mika Kahola 2023-06-01 2547 XELPDP_LANE_PHY_CURRENT_STATUS(0); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2548 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2549 if (__intel_de_wait_for_register(i915, XELPDP_PORT_BUF_CTL1(port), 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2550 XELPDP_PORT_BUF_SOC_PHY_READY, 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2551 XELPDP_PORT_BUF_SOC_PHY_READY, 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2552 XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US, 0, NULL)) 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2553 drm_warn(&i915->drm, "PHY %c failed to bring out of SOC reset after %dus.\n", 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2554 phy_name(phy), XELPDP_PORT_BUF_SOC_READY_TIMEOUT_US); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2555 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2556 intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(port), 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2557 XELPDP_LANE_PIPE_RESET(0) | XELPDP_LANE_PIPE_RESET(1), 619a06dba6fa38 Mika Kahola 2023-06-01 2558 lane_pipe_reset); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2559 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2560 if (__intel_de_wait_for_register(i915, XELPDP_PORT_BUF_CTL2(port), 619a06dba6fa38 Mika Kahola 2023-06-01 2561 lane_phy_current_status, lane_phy_current_status, 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2562 XELPDP_PORT_RESET_START_TIMEOUT_US, 0, NULL)) 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2563 drm_warn(&i915->drm, "PHY %c failed to bring out of Lane reset after %dus.\n", 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2564 phy_name(phy), XELPDP_PORT_RESET_START_TIMEOUT_US); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2565 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2566 intel_de_rmw(i915, XELPDP_PORT_CLOCK_CTL(port), 619a06dba6fa38 Mika Kahola 2023-06-01 2567 intel_cx0_get_pclk_refclk_request(both_lanes ? 619a06dba6fa38 Mika Kahola 2023-06-01 2568 INTEL_CX0_BOTH_LANES : 619a06dba6fa38 Mika Kahola 2023-06-01 2569 INTEL_CX0_LANE0), 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2570 intel_cx0_get_pclk_refclk_request(lane_mask)); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2571 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2572 if (__intel_de_wait_for_register(i915, XELPDP_PORT_CLOCK_CTL(port), 619a06dba6fa38 Mika Kahola 2023-06-01 2573 intel_cx0_get_pclk_refclk_ack(both_lanes ? 619a06dba6fa38 Mika Kahola 2023-06-01 2574 INTEL_CX0_BOTH_LANES : 619a06dba6fa38 Mika Kahola 2023-06-01 2575 INTEL_CX0_LANE0), 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2576 intel_cx0_get_pclk_refclk_ack(lane_mask), 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2577 XELPDP_REFCLK_ENABLE_TIMEOUT_US, 0, NULL)) 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2578 drm_warn(&i915->drm, "PHY %c failed to request refclk after %dus.\n", 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2579 phy_name(phy), XELPDP_REFCLK_ENABLE_TIMEOUT_US); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2580 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2581 intel_cx0_powerdown_change_sequence(i915, port, INTEL_CX0_BOTH_LANES, 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2582 CX0_P2_STATE_RESET); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2583 intel_cx0_setup_powerdown(i915, port); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2584 619a06dba6fa38 Mika Kahola 2023-06-01 2585 intel_de_rmw(i915, XELPDP_PORT_BUF_CTL2(port), lane_pipe_reset, 0); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2586 619a06dba6fa38 Mika Kahola 2023-06-01 2587 if (intel_de_wait_for_clear(i915, XELPDP_PORT_BUF_CTL2(port), lane_phy_current_status, 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2588 XELPDP_PORT_RESET_END_TIMEOUT)) 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2589 drm_warn(&i915->drm, "PHY %c failed to bring out of Lane reset after %dms.\n", 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2590 phy_name(phy), XELPDP_PORT_RESET_END_TIMEOUT); 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2591 } 51390cc0e00a37 Radhakrishna Sripada 2023-04-13 2592 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki