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屏参:
panel: panel { compatible = "simple-panel"; backlight = <&backlight>; power-supply = <&vcc_lcd>; enable-gpios = <&gpio3 16 GPIO_ACTIVE_LOW>; reset-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>; prepare-delay-ms = <200>; enable-delay-ms = <20>; display-timings { native-mode = <&timing0>; timing0: timing0 { clock-frequency = <238000000>; hactive = <2560>; vactive = <1440>; hfront-porch = <108>; hsync-len = <38>; hback-porch = <40>; vfront-porch = <12>; vsync-len = <4>; vback-porch = <4>; hsync-active = <0>; vsync-active = <0>; de-active = <0>; pixelclk-active = <0>; }; }; 休眠唤醒花屏 log报如下错误: <4>[ 900.438765] panel_simple_unprepare enable_gpio= 0 <6>[ 900.621094] rockchip-vop ff900000.vop: [drm:vop_crtc_enable] Update mode to 2560x1440p59, type: 14 <4>[ 900.621609] panel_simple_prepare enable_gpio= 1 <3>[ 900.657091] rockchip-dp ff970000.edp: AUX CH command reply failed! <3>[ 900.657582] rockchip-dp ff970000.edp: Rx Max Link Rate is abnormal :c0 ! <3>[ 900.657828] rockchip-dp ff970000.edp: Rx Max Lane count is abnormal :0 ! <3>[ 900.660663] rockchip-dp ff970000.edp: AUX CH command reply failed! <3>[ 900.660728] rockchip-dp ff970000.edp: LT link start failed! <3>[ 900.660740] rockchip-dp ff970000.edp: eDP link training failed (-110) <6>[ 900.681445] rockchip-dp ff970000.edp: Link Training success! 要求屏端的供电比aux早,可以尝试加长prepare-delay时间到200ms。 |
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基于米尔瑞芯微RK3576核心板/开发板的人脸疲劳检测应用方案
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