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    D1哪吒开发板默认输出改成HDMI

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    • N
      nideyida LV 5 last edited by

      因为没有钱买官方的MIPI屏幕,所以只能用HDMI屏幕来玩,但是默认源码和官方提供的固件默认输出都是MIPI的虽然在线文档里有提供切换成HDMI输出的方法,但是自己真正做的时候,还是需要把默认输出改成HDMI,于是有了此贴,记录小白摸索怎么改HDMI的过程,之前在另外一位朋友的帖子下提问,现在切过来自己开一贴,以免影响人家的时间线。
      另外一个朋友的帖子传送门:
      请问哪吒 D1 开发板拔插 HDMI 显示器, 提示sink do not support this mode 是什么问题? 换了两台显示器了.

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      • N
        nideyida LV 5 last edited by

        根据官方在线文档的介绍,其实可以开机后命令行手动切:

        cd /sys/kernel/debug/dispdbg
        echo disp0 > name; echo switch1 > command; echo 4 10 0 0 0x4 0x101 0 0 0 8 > param; echo 1 > start;
        

        在线文档传送门:
        D1在线文档-切换到HDMI输出

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        • N
          nideyida LV 5 last edited by

          DTS中对于显示部分配置的注释介绍
          6e8b3b4a-023d-4dc4-921f-ba5db5c66a1b-image.png

          tigger 1 Reply Last reply Reply Quote Share 0
          • tigger
            tigger LV 7 last edited by

            # fbset
            
            mode "800x1280-62"
                    # D: 70.004 MHz, H: 80.649 kHz, V: 61.517 Hz
                    geometry 800 1280 800 2560 32
                    timings 14285 28 36 8 19 4 4
                    accel false
                    rgba 8/16,8/8,8/0,8/24
            endmode
            
            #
            

            为什么我的切了之后变成了竖屏? 和屏幕有关系吗?

            tigger 1 Reply Last reply Reply Quote Share 0
            • tigger
              tigger LV 7 @tigger last edited by

              @tigger 在 D1哪吒开发板默认输出改成HDMI 中说:

              # fbset
              
              mode "800x1280-62"
                      # D: 70.004 MHz, H: 80.649 kHz, V: 61.517 Hz
                      geometry 800 1280 800 2560 32
                      timings 14285 28 36 8 19 4 4
                      accel false
                      rgba 8/16,8/8,8/0,8/24
              endmode
              
              #
              

              为什么我的切了之后变成了竖屏? 和屏幕有关系吗?

              80B1A7DCDFCF7A3B06D15575268D9FFD.jpg

              换华为的2K电视屏, 也是一样的问题.

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              • N
                nideyida LV 5 last edited by

                把uboot-board.dts文件下的dev0_output_type改成4之后,默认输出倒是改成HDMI了,就是logo显示不正常,现在是一片绿色:

                yida@AwExdroid89:~/workspace/d_tina_d1_open_v1.0/device/config/chips/d1/configs/nezha$ git diff .
                diff --git a/configs/nezha/uboot-board.dts b/configs/nezha/uboot-board.dts
                index 793dec2..bb5ee2b 100644
                --- a/configs/nezha/uboot-board.dts
                +++ b/configs/nezha/uboot-board.dts
                @@ -229,8 +229,8 @@
                        screen1_output_scan      = <0>;
                        screen1_output_aspect_ratio = <8>;
                
                -       dev0_output_type         = <1>;
                -       dev0_output_mode         = <4>;
                +       dev0_output_type         = <4>;
                +       dev0_output_mode         = <10>;
                        dev0_screen_id           = <0>;
                        dev0_do_hpd              = <0>;
                
                

                13a0295b-e333-4d34-8dbf-f83a70ee1a30-image.png

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                • tigger
                  tigger LV 7 @nideyida last edited by

                  @nideyida 在 D1哪吒开发板默认输出改成HDMI 中说:

                  DTS中对于显示部分配置的注释介绍
                  6e8b3b4a-023d-4dc4-921f-ba5db5c66a1b-image.png

                  echo 4 10 0 0 0x4 0x101 0 0 0 8 > param
                  

                  请问第一个参数4是 screenx_output_type 吗?

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                  • N
                    nideyida LV 5 last edited by

                    查看hdmi_sink节点:

                    root@TinaLinux:/# cat /sys/devices/virtual/hdmi/hdmi/attr/hdmi_sink
                    
                    
                    Video Mode:  640x480P  720x480P  720x480P  1080I60  480I  480I  1080P60  576P  576P  720P50  1080I50  576I  576I  1080P50  720P60
                    
                    Only Support YUV420:
                    
                    Also Support YUV420:
                    
                    Pixel Format: RGB  YUV444  YUV422
                    
                    Deep Color:
                    
                    Basic Audio Support:  YES
                    
                    Audio Code:  LPCM
                    
                    HDCP Tpye:
                    
                    
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                    • N
                      nideyida LV 5 @tigger last edited by

                      @tigger 应该不是,但是驱动参数配置可能用的一套,所以我也这样配了,确实输出了HDMI,但是输出还没正确

                      tigger 1 Reply Last reply Reply Quote Share 0
                      • tigger
                        tigger LV 7 @nideyida last edited by

                        @nideyida 在 D1哪吒开发板默认输出改成HDMI 中说:

                        @tigger 应该不是,但是驱动参数配置可能用的一套,所以我也这样配了,确实输出了HDMI,但是输出还没正确

                        你的不会横屏吗?😧

                        tigger 1 Reply Last reply Reply Quote Share 0
                        • tigger
                          tigger LV 7 @tigger last edited by whycan

                          This post is deleted!
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                          • tigger
                            tigger LV 7 last edited by

                            426CAC3E2352822B7D76818CD72C5ED8.jpg

                            mount -t debugfs none /sys/kernel/debug;
                            cd /sys/kernel/debug/dispdbg;
                            echo disp0 > name; 
                            echo switch1 > command; 
                            echo 4 10 0 0 0x4 0x101 0 0 0 8 > param; 
                            echo 1 > start;
                            
                            # cat /sys/devices/virtual/hdmi/hdmi/attr/hdmi_sink
                            
                            
                            Video Mode:  576I  480I  1080P60(native)  1080P50  1080P24  1080P30  2160P24  2160P30  640x480P  720x480P  4096x2160P24  4096x2160P30  720P60  1080I60  2160PP25  4096x2160P25  720x480P  480I  576P  576I  1080P252160P302160P252160P244096x2160P24
                            
                            Only Support YUV420:
                            
                            Also Support YUV420:  2160P50  2160P60  4096x2160P50  4096x2160P60  576P  720P50  1080I50
                            
                            Pixel Format: RGB  YUV444  YUV422
                            
                            Deep Color:  RGB444_30bit  YUV444_30bit  RGB444_36bit  YUV444_36bit  YUV420_36bit  YUV420_48bit
                            
                            MaxTmdsCharRate:  120
                            
                            Basic Audio Support:  YES
                            
                            Audio Code:  LPCM  AC-3  DolbyDigital+  DTS  DTS-HD  MAT
                            
                            HDCP Tpye:
                            #
                            
                            # fbset
                            
                            mode "800x1280-62"
                                    # D: 70.004 MHz, H: 80.649 kHz, V: 61.517 Hz
                                    geometry 800 1280 800 2560 32
                                    timings 14285 28 36 8 19 4 4
                                    accel false
                                    rgba 8/16,8/8,8/0,8/24
                            endmode
                            

                            车载显示器,华为2K电视机都是半屏,我做错了什么吗?

                            xiaowenge 1 Reply Last reply Reply Quote Share 0
                            • xiaowenge
                              DOT小文哥 LV 8 @tigger last edited by xiaowenge

                              board.dts和uboot-board.dts你都这样改:

                              tina/device/config/chips/d1/configs/nezha$ git diff .
                              diff --git a/configs/nezha/linux-5.4/board.dts b/configs/nezha/linux-5.4/board.dts
                              index bfeed6c..335895e 100755
                              --- a/configs/nezha/linux-5.4/board.dts
                              +++ b/configs/nezha/linux-5.4/board.dts
                              @@ -1128,25 +1128,25 @@ chn_cfg_mode     : Hardware DE channel allocation config. 0:single display with
                                      disp_init_enable         = <1>;
                                      disp_mode                = <0>;
                              
                              -       screen0_output_type      = <1>;
                              -       screen0_output_mode      = <4>;
                              -
                              -       screen1_output_type      = <4>;
                              -       screen1_output_mode      = <10>;
                              -
                              -       screen1_output_format    = <0>;
                              -       screen1_output_bits      = <0>;
                              -       screen1_output_eotf      = <4>;
                              -       screen1_output_cs        = <257>;
                              -       screen1_output_dvi_hdmi  = <2>;
                              -       screen1_output_range     = <2>;
                              -       screen1_output_scan      = <0>;
                              -       screen1_output_aspect_ratio = <8>;
                              -
                              -       dev0_output_type         = <1>;
                              -       dev0_output_mode         = <4>;
                              +       screen0_output_type      = <3>;
                              +       screen0_output_mode      = <10>;
                              +
                              +       screen0_output_format    = <0>;
                              +       screen0_output_bits      = <0>;
                              +       screen0_output_eotf      = <4>;
                              +       screen0_output_cs        = <257>;
                              +       screen0_output_dvi_hdmi  = <2>;
                              +       screen0_output_range     = <2>;
                              +       screen0_output_scan      = <0>;
                              +       screen0_output_aspect_ratio = <8>;
                              +
                              +       screen1_output_type      = <1>;
                              +       screen1_output_mode      = <4>;
                              +
                              +       dev0_output_type         = <4>;
                              +       dev0_output_mode         = <10>;
                                      dev0_screen_id           = <0>;
                              
                              
                              N tigger 2 Replies Last reply Reply Quote Share 0
                              • N
                                nideyida LV 5 @xiaowenge last edited by

                                @xiaowenge 在 D1哪吒开发板默认输出改成HDMI 中说:

                                board.dts和uboot-board.dts你都这样改:

                                tina/device/config/chips/d1/configs/nezha$ git diff .
                                diff --git a/configs/nezha/linux-5.4/board.dts b/configs/nezha/linux-5.4/board.dts
                                index bfeed6c..335895e 100755
                                --- a/configs/nezha/linux-5.4/board.dts
                                +++ b/configs/nezha/linux-5.4/board.dts
                                @@ -1128,25 +1128,25 @@ chn_cfg_mode     : Hardware DE channel allocation config. 0:single display with
                                        disp_init_enable         = <1>;
                                        disp_mode                = <0>;
                                
                                -       screen0_output_type      = <1>;
                                -       screen0_output_mode      = <4>;
                                -
                                -       screen1_output_type      = <3>;
                                -       screen1_output_mode      = <10>;
                                -
                                -       screen1_output_format    = <0>;
                                -       screen1_output_bits      = <0>;
                                -       screen1_output_eotf      = <4>;
                                -       screen1_output_cs        = <257>;
                                -       screen1_output_dvi_hdmi  = <2>;
                                -       screen1_output_range     = <2>;
                                -       screen1_output_scan      = <0>;
                                -       screen1_output_aspect_ratio = <8>;
                                -
                                -       dev0_output_type         = <1>;
                                -       dev0_output_mode         = <4>;
                                +       screen0_output_type      = <3>;
                                +       screen0_output_mode      = <10>;
                                +
                                +       screen0_output_format    = <0>;
                                +       screen0_output_bits      = <0>;
                                +       screen0_output_eotf      = <4>;
                                +       screen0_output_cs        = <257>;
                                +       screen0_output_dvi_hdmi  = <2>;
                                +       screen0_output_range     = <2>;
                                +       screen0_output_scan      = <0>;
                                +       screen0_output_aspect_ratio = <8>;
                                +
                                +       screen1_output_type      = <1>;
                                +       screen1_output_mode      = <4>;
                                +
                                +       dev0_output_type         = <4>;
                                +       dev0_output_mode         = <10>;
                                        dev0_screen_id           = <0>;
                                
                                

                                哇,确实可以了!感谢大佬!
                                这么改完开机logo默认就从我插着的HDMI显示器输出了
                                但是好像还有一点问题,就是我cat colorbar的时候,颜色不太对,有点绿,好像是跟我一开始那个ev0_output_type改成4之后打印的绿色重合了,才有了这个效果:
                                820d5b08-e9cd-4f77-9757-bd718522e33e-image.png

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                                • N
                                  nideyida LV 5 last edited by

                                  我先用在线文档介绍的方法切到HDMI输出:

                                  cd /sys/kernel/debug/dispdbg
                                  echo disp0 > name; echo switch1 > command; echo 4 10 0 0 0x4 0x101 0 0 0 8 > param; echo 1 > start;
                                  

                                  再cat colorbar,就不绿了,说明不是硬件或者显示器的问题,应该是我配置的问题

                                  echo 1 > /sys/class/disp/disp/attr/colorbar 
                                  
                                  xiaowenge 1 Reply Last reply Reply Quote Share 0
                                  • xiaowenge
                                    DOT小文哥 LV 8 @nideyida last edited by

                                    @nideyida 在 D1哪吒开发板默认输出改成HDMI 中说:

                                    我先用在线文档介绍的方法切到HDMI输出:

                                    cd /sys/kernel/debug/dispdbg
                                    echo disp0 > name; echo switch1 > command; echo 4 10 0 0 0x4 0x101 0 0 0 8 > param; echo 1 > start;
                                    

                                    再cat colorbar,就不绿了,说明不是硬件或者显示器的问题,应该是我配置的问题

                                    echo 1 > /sys/class/disp/disp/attr/colorbar 
                                    

                                    实测播放视频没绿。。。。就cat colorbar就绿,这就很尴尬了。。。

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                                    • tigger
                                      tigger LV 7 @xiaowenge last edited by

                                      @xiaowenge 在 D1哪吒开发板默认输出改成HDMI 中说:

                                      board.dts和uboot-board.dts你都这样改:

                                      tina/device/config/chips/d1/configs/nezha$ git diff .
                                      diff --git a/configs/nezha/linux-5.4/board.dts b/configs/nezha/linux-5.4/board.dts
                                      index bfeed6c..335895e 100755
                                      --- a/configs/nezha/linux-5.4/board.dts
                                      +++ b/configs/nezha/linux-5.4/board.dts
                                      @@ -1128,25 +1128,25 @@ chn_cfg_mode     : Hardware DE channel allocation config. 0:single display with
                                              disp_init_enable         = <1>;
                                              disp_mode                = <0>;
                                      
                                      -       screen0_output_type      = <1>;
                                      -       screen0_output_mode      = <4>;
                                      -
                                      -       screen1_output_type      = <3>;
                                      -       screen1_output_mode      = <10>;
                                      -
                                      -       screen1_output_format    = <0>;
                                      -       screen1_output_bits      = <0>;
                                      -       screen1_output_eotf      = <4>;
                                      -       screen1_output_cs        = <257>;
                                      -       screen1_output_dvi_hdmi  = <2>;
                                      -       screen1_output_range     = <2>;
                                      -       screen1_output_scan      = <0>;
                                      -       screen1_output_aspect_ratio = <8>;
                                      -
                                      -       dev0_output_type         = <1>;
                                      -       dev0_output_mode         = <4>;
                                      +       screen0_output_type      = <3>;
                                      +       screen0_output_mode      = <10>;
                                      +
                                      +       screen0_output_format    = <0>;
                                      +       screen0_output_bits      = <0>;
                                      +       screen0_output_eotf      = <4>;
                                      +       screen0_output_cs        = <257>;
                                      +       screen0_output_dvi_hdmi  = <2>;
                                      +       screen0_output_range     = <2>;
                                      +       screen0_output_scan      = <0>;
                                      +       screen0_output_aspect_ratio = <8>;
                                      +
                                      +       screen1_output_type      = <1>;
                                      +       screen1_output_mode      = <4>;
                                      +
                                      +       dev0_output_type         = <4>;
                                      +       dev0_output_mode         = <10>;
                                              dev0_screen_id           = <0>;
                                      
                                      
                                      [    2.469165] Loading compiled-in X.509 certificates
                                      [    2.476746] HDMI 2.0 driver init start!
                                      [    2.481047] boot_hdmi=true
                                      [    2.484190] ERROR: pinctrl_get for HDMI2.0 DDC fail
                                      [    2.491137] HDMI2.0 module init end
                                      [    2.495100] [DISP] disp_device_attached,line:158:
                                      [    2.495107] attached ok, mgr1<-->device0, type=4
                                      [    2.521233] [HDMI receive params]: tv mode: 0xa format:0x1 data bits:0x0 eotf:0x4 cs:0x101 dvi_hdmi:2 range:0 scan:0 aspect_ratio:8
                                      [    2.537187] [DISP] disp_hdmi_set_mode,line:680:
                                      [    2.537191] hdmi_set_mode is null!
                                      [    2.546131] disp_al_manager_apply ouput_type:0
                                      [    2.551697] random: fast init done
                                      [    2.580483] random: crng init done
                                      
                                      

                                      插着HDMI启动, 串口就挂了,不能输入.


                                      [    2.440078] Loading compiled-in X.509 certificates
                                      [    2.447650] HDMI 2.0 driver init start!
                                      [    2.452027] boot_hdmi=false
                                      [    2.455200] ERROR: pinctrl_get for HDMI2.0 DDC fail
                                      [    2.462154] HDMI2.0 module init end
                                      [    2.471232] [DISP] bsp_disp_sync_with_hw,line:657:
                                      [    2.471239] Can't find device(207) for manager 1
                                      [    2.496434] twi twi2: twi2 supply twi not found, using dummy regulator
                                      [    2.511058] pcf857x 2-0038: probed
                                      [    2.515014] sunxi_i2c_probe()2262 - [i2c2] probe success
                                      [    2.525108] debugfs: Directory '2031000.dmic' with parent 'snddmic' already present!
                                      [    2.535266] sunxi-audio-card 2031060.sounddmic: dmic-hifi <-> 2031000.dmic mapping ok
                                      [    2.545368] debugfs: Directory '2034000.daudio' with parent 'sndhdmi' already present!
                                      [    2.555971] sunxi-audio-card 20340a0.sounddaudio2: 20340a4.hdmiaudio <-> 2034000.daudio mapping ok
                                      [    2.567240] get ehci0-controller wakeup-source is fail.
                                      [    2.573225] sunxi ehci0-controller don't init wakeup source
                                      [    2.579446] [sunxi-ehci0]: probe, pdev->name: 4101000.ehci0-controller, sunxi_ehci: 0xffffffe0008fbb58, 0x:ffffffd004f88000, irq_no:2e
                                      [    2.592978] [sunxi-ehci0]: Not init ehci0
                                      [    2.597890] get ohci0-controller wakeup-source is fail.
                                      [    2.603869] sunxi ohci0-controller don't init wakeup source
                                      [    2.610089] [sunxi-ohci0]: probe, pdev->name: 4101400.ohci0-controller, sunxi_ohci: 0xffffffe0008fc698
                                      [    2.620519] [sunxi-ohci0]: Not init ohci0
                                      [    2.627166] cfg80211: Loading compiled-in X.509 certificates for regulatory database
                                      [    2.638031] cfg80211: Loaded X.509 cert 'sforshee: 00b28ddf47aef9cea7'
                                      [    2.645634] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2
                                      [    2.655322] clk: Not disabling unused clocks
                                      [    2.660091] ALSA device list:
                                      [    2.663517] cfg80211: failed to load regulatory.db
                                      [    2.668933]   #0: audiocodec
                                      [    2.672217]   #1: snddmic
                                      [    2.675137]   #2: sndhdmi
                                      
                                      

                                      不插HDMI,串口就正常.

                                      xiaowenge 1 Reply Last reply Reply Quote Share 0
                                      • xiaowenge
                                        DOT小文哥 LV 8 @tigger last edited by xiaowenge

                                        有朋友提到用我以上的修改还是会绿屏(满屏绿那种),我回忆了一下修改点,我之前是改掉了原SDK自带那个哪吒的启动logo,改成了linux小企鹅,大家可以把tina/device/config/chips/d1/configs/nezha/config 下面的bootlogo.bmp文件替换成下面这个文件试试:
                                        bootlogo.7z
                                        (文件是小企鹅启动logo)
                                        (之前改掉启动logo是因为哪吒那张图3M多太大了,我不是故意改掉不告诉你们的。。。。)

                                        T C 2 Replies Last reply Reply Quote Share 0
                                        • T
                                          tianmao LV 3 @xiaowenge last edited by

                                          @xiaowenge 赞,搭顺风车问下,这个企鹅是240320的黑底的照片,背景也是黑色的,这种显示比较好,如果我是白底的400400这种的,背景颜色应该怎么设置呢

                                          xiaowenge 1 Reply Last reply Reply Quote Share 0
                                          • xiaowenge
                                            DOT小文哥 LV 8 @tianmao last edited by

                                            @tianmao 在 D1哪吒开发板默认输出改成HDMI 中说:

                                            @xiaowenge 赞,搭顺风车问下,这个企鹅是240320的黑底的照片,背景也是黑色的,这种显示比较好,如果我是白底的400400这种的,背景颜色应该怎么设置呢

                                            看了下配置文件注释,好像没有配置背景颜色这么一说(当然也可能是有但是配置文件没有更新,具体要读一下驱动源码)
                                            如果不是黑底的话,应该是P一整张适配整个屏幕大小的开机log吧,这样才不会有色差
                                            233ead5a-a9e5-47de-833b-10f56f3d708e-image.png

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                                            • C
                                              cloud_d1 LV 3 @xiaowenge last edited by

                                              @xiaowenge 替换了还不行,可以帮忙试下拉v1.01的新codebase然后试下你的修改吗?

                                              xiaowenge 1 Reply Last reply Reply Quote Share 0
                                              • xiaowenge
                                                DOT小文哥 LV 8 @cloud_d1 last edited by

                                                @cloud_d1 知道了,你们的uboot没更新,因为单独make编译的时候默认是不编译ubootd的。
                                                做这一步:

                                                //进入uboot代码路径
                                                cboot
                                                //单独编译uboot,编完uboot文件会自动复制到方案下,不用管它
                                                muboot
                                                //重新编译打包
                                                make -j64
                                                pack
                                                
                                                xiaowenge L 2 Replies Last reply Reply Quote Share 0
                                                • xiaowenge
                                                  DOT小文哥 LV 8 @xiaowenge last edited by xiaowenge

                                                  @xiaowenge 在 D1哪吒开发板默认输出改成HDMI 中说:

                                                  @cloud_d1 知道了,你们的uboot没更新,因为单独make编译的时候默认是不编译ubootd的。
                                                  做这一步:

                                                  //进入uboot代码路径
                                                  cboot
                                                  //单独编译uboot,编完uboot文件会自动复制到方案下,不用管它
                                                  muboot
                                                  //重新编译打包
                                                  make -j64
                                                  pack
                                                  

                                                  附完整dts文件修改,之前的有个***dev0_do_hpd = <1>;***的参数没改到:

                                                  tina/device/config/chips/d1/configs/nezha$ git diff .
                                                  diff --git a/configs/nezha/linux-5.4/board.dts b/configs/nezha/linux-5.4/board.dts
                                                  index bfeed6c..1cef004 100755
                                                  --- a/configs/nezha/linux-5.4/board.dts
                                                  +++ b/configs/nezha/linux-5.4/board.dts
                                                  @@ -1128,30 +1128,25 @@ chn_cfg_mode     : Hardware DE channel allocation config. 0:single display with
                                                          disp_init_enable         = <1>;
                                                          disp_mode                = <0>;
                                                  
                                                  -       screen0_output_type      = <1>;
                                                  -       screen0_output_mode      = <4>;
                                                  -
                                                  -       screen1_output_type      = <3>;
                                                  -       screen1_output_mode      = <10>;
                                                  -
                                                  -       screen1_output_format    = <0>;
                                                  -       screen1_output_bits      = <0>;
                                                  -       screen1_output_eotf      = <4>;
                                                  -       screen1_output_cs        = <257>;
                                                  -       screen1_output_dvi_hdmi  = <2>;
                                                  -       screen1_output_range     = <2>;
                                                  -       screen1_output_scan      = <0>;
                                                  -       screen1_output_aspect_ratio = <8>;
                                                  -
                                                  -       dev0_output_type         = <1>;
                                                  -       dev0_output_mode         = <4>;
                                                  +    screen0_output_type      = <3>;
                                                  +    screen0_output_mode      = <10>;
                                                  +
                                                  +    screen0_output_format    = <0>;
                                                  +    screen0_output_bits      = <0>;
                                                  +    screen0_output_eotf      = <4>;
                                                  +    screen0_output_cs        = <257>;
                                                  +    screen0_output_dvi_hdmi  = <2>;
                                                  +    screen0_output_range     = <2>;
                                                  +    screen0_output_scan      = <0>;
                                                  +    screen0_output_aspect_ratio = <8>;
                                                  +
                                                  +    screen1_output_type      = <1>;
                                                  +    screen1_output_mode      = <4>;
                                                  +
                                                  +    dev0_output_type         = <4>;
                                                  +    dev0_output_mode         = <10>;
                                                          dev0_screen_id           = <0>;
                                                  -       dev0_do_hpd              = <0>;
                                                  -
                                                  -       dev1_output_type         = <4>;
                                                  -       dev1_output_mode         = <10>;
                                                  -       dev1_screen_id           = <1>;
                                                  -       dev1_do_hpd              = <1>;
                                                  +       dev0_do_hpd              = <1>;
                                                  
                                                          def_output_dev           = <0>;
                                                          hdmi_mode_check          = <1>;
                                                  diff --git a/configs/nezha/uboot-board.dts b/configs/nezha/uboot-board.dts
                                                  old mode 100644
                                                  new mode 100755
                                                  index 793dec2..a5c99a2
                                                  --- a/configs/nezha/uboot-board.dts
                                                  +++ b/configs/nezha/uboot-board.dts
                                                  @@ -214,30 +214,25 @@
                                                          disp_init_enable         = <1>;
                                                          disp_mode                = <0>;
                                                  
                                                  -       screen0_output_type      = <1>;
                                                  -       screen0_output_mode      = <4>;
                                                  -
                                                  -       screen1_output_type      = <3>;
                                                  -       screen1_output_mode      = <10>;
                                                  -
                                                  -       screen1_output_format    = <0>;
                                                  -       screen1_output_bits      = <0>;
                                                  -       screen1_output_eotf      = <4>;
                                                  -       screen1_output_cs        = <257>;
                                                  -       screen1_output_dvi_hdmi  = <2>;
                                                  -       screen1_output_range     = <2>;
                                                  -       screen1_output_scan      = <0>;
                                                  -       screen1_output_aspect_ratio = <8>;
                                                  -
                                                  -       dev0_output_type         = <1>;
                                                  -       dev0_output_mode         = <4>;
                                                  +    screen0_output_type      = <3>;
                                                  +    screen0_output_mode      = <10>;
                                                  +
                                                  +    screen0_output_format    = <0>;
                                                  +    screen0_output_bits      = <0>;
                                                  +    screen0_output_eotf      = <4>;
                                                  +    screen0_output_cs        = <257>;
                                                  +    screen0_output_dvi_hdmi  = <2>;
                                                  +    screen0_output_range     = <2>;
                                                  +    screen0_output_scan      = <0>;
                                                  +    screen0_output_aspect_ratio = <8>;
                                                  +
                                                  +    screen1_output_type      = <1>;
                                                  +    screen1_output_mode      = <4>;
                                                  +
                                                  +    dev0_output_type         = <4>;
                                                  +    dev0_output_mode         = <10>;
                                                          dev0_screen_id           = <0>;
                                                  -       dev0_do_hpd              = <0>;
                                                  -
                                                  -       dev1_output_type         = <4>;
                                                  -       dev1_output_mode         = <10>;
                                                  -       dev1_screen_id           = <1>;
                                                  -       dev1_do_hpd              = <1>;
                                                  +       dev0_do_hpd              = <1>;
                                                  
                                                          def_output_dev           = <0>;
                                                          hdmi_mode_check          = <1>;
                                                  
                                                  
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                                                  • M
                                                    memory LV 7 last edited by

                                                    https://bbs.aw-ol.com/topic/297/hdmi/2
                                                    【固件发布】D1哪吒HDMI测试固件20210804(开机HDMI就有小企鹅启动logo)

                                                    我按步骤搞定了, 有修改过的文件包下载,欢迎各位小伙伴测试。

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                                                    • M
                                                      memory LV 7 last edited by

                                                      45213c29-285a-4204-b787-b9927338d249-image.png

                                                      围观了一下修改, 就是把 screen1 配置改成 screen0, 这样默认就是 HDMI 输出了。

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                                                      • L
                                                        lumen LV 5 @xiaowenge last edited by

                                                        @xiaowenge 你好,我也在改hdmi,修改了uboot-board.dts后就来到lichee/brandy-2.0/u-boot-2018单独编译uboot
                                                        9f6d57ba-e3df-4498-b80a-20ae13e7139d-image.png
                                                        请问不是直接输入这两天命令吗?

                                                        YuzukiTsuru 1 Reply Last reply Reply Quote Share 0
                                                        • YuzukiTsuru
                                                          柚木 鉉 LV 9 @lumen last edited by

                                                          @lumen 先在根目录 source build/envsetup.sh 然后 lunch 才能用这两个命令

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                                                          • L
                                                            lumen LV 5 @YuzukiTsuru last edited by

                                                            @yuzukitsuru 谢谢谢谢

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                                                            • L
                                                              lumen LV 5 @YuzukiTsuru last edited by

                                                              @yuzukitsuru 在cboot和muboot之前还要make clean吗?

                                                              xiaowenge 1 Reply Last reply Reply Quote Share 1
                                                              • xiaowenge
                                                                DOT小文哥 LV 8 @lumen last edited by

                                                                @lumen 在 D1哪吒开发板默认输出改成HDMI 中说:

                                                                @yuzukitsuru 在cboot和muboot之前还要make clean吗?

                                                                理论上不需要clean,cleane一下也行,不影响,会保险一点,只不过重新编译要比较久。

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                                                                • L
                                                                  lumen LV 5 @xiaowenge last edited by

                                                                  @xiaowenge 请问设备树文件中dev0_screen_id代表什么?我按照你的修改之后,HDMI能够成功显示。如下,(我只需要720p所以mode改成了4):
                                                                  478188b9-9f60-4a02-b953-55d7fede8a09-image.png
                                                                  但我之前改的时候把dev0_screen_id改成了1,我理解的是这样dev0就对应了screen1,就同时修改了screen1的相关参数,具体如下:
                                                                  d9c90a51-11a6-45a2-b897-aeece14c1d9b-image.png
                                                                  但并未正常显示 。

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