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Tue, 5 Aug 2025 07:37:15 +0000 From: Imre Deak To: , CC: , Charlton Lin , "Khaled Almahallawy" Subject: [PATCH 04/19] drm/i915/lnl+/tc: Use the cached max lane count value Date: Tue, 5 Aug 2025 10:36:45 +0300 Message-ID: <20250805073700.642107-5-imre.deak@intel.com> X-Mailer: git-send-email 2.49.1 In-Reply-To: <20250805073700.642107-1-imre.deak@intel.com> References: <20250805073700.642107-1-imre.deak@intel.com> Content-Transfer-Encoding: 8bit Content-Type: text/plain X-ClientProxiedBy: DUZP191CA0024.EURP191.PROD.OUTLOOK.COM (2603:10a6:10:4f9::21) To SJ0PR11MB4845.namprd11.prod.outlook.com (2603:10b6:a03:2d1::10) Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SJ0PR11MB4845:EE_|DS0PR11MB8161:EE_ X-MS-Office365-Filtering-Correlation-Id: 492b4bef-2464-4ac8-83ed-08ddd3f2e611 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|10070799003|366016|1800799024|376014; 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For consistency, follow-up changes will use the cached max lane count value on other platforms as well and will also cache the pin assignment value in a similar way. Cc: stable@vger.kernel.org # v6.8+ Reported-by: Charlton Lin Tested-by: Khaled Almahallawy Signed-off-by: Imre Deak --- drivers/gpu/drm/i915/display/intel_tc.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index ea93893980e17..14042a64375e1 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -395,12 +395,16 @@ static void read_pin_configuration(struct intel_tc_port *tc) int intel_tc_port_max_lane_count(struct intel_digital_port *dig_port) { + struct intel_display *display = to_intel_display(dig_port); struct intel_tc_port *tc = to_tc_port(dig_port); if (!intel_encoder_is_tc(&dig_port->base)) return 4; - return get_max_lane_count(tc); + if (DISPLAY_VER(display) < 20) + return get_max_lane_count(tc); + + return tc->max_lane_count; } void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, -- 2.49.1