HDMI可以在安全模式下工作,但其他功能很少


14

我将板子作为HDMI输入插入了显示器。我可以通过取消注释config.txt中的“ hdmi_safe = 1”来进入Raspbian桌面。但是,我想以一种不会让我流血的解决方案工作,所以最近几天我一直在尝试在config.txt中找到正确的设置,而我已经放弃了。任何帮助都会很棒。我已经尝试了几种模式,但是无论如何尝试,我都不会从tvservice -s得到任何图像和以下内容:

pi@raspberrypi ~ $ /opt/vc/bin/tvservice -s
state: HPD low|HDMI off|NTSC mode|composite CP off (0x140001), 720x480 @ 60Hz, interlaced

我需要采取什么步骤来解决此问题?先谢谢了。有问题的显示器是Acer H243HX。

这是我进行CEA测试的结果:

pi@raspberrypi ~ $ /opt/vc/bin/tvservice -m CEA
Group CEA has 0 modes:

这是我进行DMT测试的结果:

pi@raspberrypi ~ $ /opt/vc/bin/tvservice -m DMT
Group DMT has 0 modes:

这是我的edid解析器输出:

Parsing edid.dat...

HDMI:EDID version 1.3, 1 extensions, screen size 53x29 cm

HDMI:EDID features - videodef 0x80 standby suspend active off; colour  encoding:RGB444|YCbCr422; sRGB is not default colourspace; preferred format is native; does not support GTF

HDMI:EDID found monitor name descriptor tag 0xfc

HDMI:EDID monitor name is H243H

HDMI:EDID found monitor range descriptor tag 0xfd

HDMI:EDID monitor range offsets: V min=0, V max=0, H min=0, H max=0

HDMI:EDID monitor range: vertical is 56-76 Hz, horizontal is 31-83 kHz, max pixel clock is 180 MHz

HDMI:EDID monitor range does not support GTF

HDMI:EDID found monitor S/N descriptor tag 0xff

HDMI:EDID found unknown detail timing format: 1920x1080p hfp:48 hs:32 hbp:80 vfp:3 vs:5 vbp:23 pixel clock:138 MHz

HDMI:EDID established timing I/II bytes are AF CF 00

HDMI:EDID found DMT format: code 4, 640x480p @ 60 Hz in established timing I/II


HDMI:EDID found DMT format: code 5, 640x480p @ 72 Hz in established timing I/II

HDMI:EDID found DMT format: code 6, 640x480p @ 75 Hz in established timing I/II

HDMI:EDID found DMT format: code 8, 800x600p @ 56 Hz in established timing I/II

HDMI:EDID found DMT format: code 9, 800x600p @ 60 Hz in established timing I/II

HDMI:EDID found DMT format: code 10, 800x600p @ 72 Hz in established timing I/II

HDMI:EDID found DMT format: code 11, 800x600p @ 75 Hz in established timing I/II

HDMI:EDID found DMT format: code 16, 1024x768p @ 60 Hz in established timing I/II

HDMI:EDID found DMT format: code 17, 1024x768p @ 70 Hz in established timing I/II

HDMI:EDID found DMT format: code 18, 1024x768p @ 75 Hz in established timing I/II

HDMI:EDID found DMT format: code 36, 1280x1024p @ 75 Hz in established timing I/II

HDMI:EDID standard timings block x 8: 0x8180 714F 9500 950F A940 B300 0101 0101

HDMI:EDID found DMT format: code 35, 1280x1024p @ 60 Hz (5:4) in standard timing 0

HDMI:EDID found DMT format: code 21, 1152x864p @ 75 Hz (4:3) in standard timing 1

HDMI:EDID found DMT format: code 47, 1440x900p @ 60 Hz (16:10) in standard timing 2

HDMI:EDID found DMT format: code 48, 1440x900p @ 75 Hz (16:10) in standard timing 3

HDMI:EDID found DMT format: code 51, 1600x1200p @ 60 Hz (4:3) in standard timing 4

HDMI:EDID found DMT format: code 58, 1680x1050p @ 60 Hz (16:10) in standard timing 5

HDMI:EDID parsing v3 CEA extension 0

HDMI:EDID monitor support - underscan IT formats:yes, basic audio:yes, yuv444:yes, yuv422:yes, #native DTD:2

HDMI:EDID found preferred CEA detail timing format: 720x480p @ 60 Hz (2)

HDMI:EDID found CEA detail timing format: 1280x720p @ 60 Hz (4)

HDMI:EDID found CEA detail timing format: 1920x1080i @ 60 Hz (5)

HDMI:EDID found CEA detail timing format: 1280x720p @ 50 Hz (19)

HDMI:EDID found CEA detail timing format: 1920x1080i @ 50 Hz (20)

HDMI:EDID found audio format 2 channels PCM, sample rate: 32|44|48|88|96|176|192 kHz, sample size: 16|20|24 bits

HDMI:EDID found CEA format: code 1, 640x480p @ 60Hz

HDMI:EDID found CEA format: code 2, 720x480p @ 60Hz

HDMI:EDID found CEA format: code 3, 720x480p @ 60Hz

HDMI:EDID found CEA format: code 4, 1280x720p @ 60Hz (native)

HDMI:EDID found CEA format: code 5, 1920x1080i @ 60Hz

HDMI:EDID found CEA format: code 6, 1440x480i @ 60Hz

HDMI:EDID found CEA format: code 7, 1440x480i @ 60Hz

HDMI:EDID found CEA format: code 16, 1920x1080p @ 60Hz

HDMI:EDID found CEA format: code 17, 720x576p @ 50Hz

HDMI:EDID found CEA format: code 18, 720x576p @ 50Hz

HDMI:EDID found CEA format: code 21, 1440x576i @ 50Hz

HDMI:EDID found CEA format: code 19, 1280x720p @ 50Hz (native)

HDMI:EDID found CEA format: code 31, 1920x1080p @ 50Hz

HDMI:EDID found CEA format: code 20, 1920x1080i @ 50Hz

HDMI:EDID found HDMI VSDB length 6

HDMI:EDID HDMI VSDB has physical address 1.0.0.0

HDMI:EDID HDMI VSDB supports AI:no, dual link DVI:no

HDMI:EDID HDMI VSDB deep colour support - 48-bit:no 36-bit:no 30-bit:yes DC_yuv444:no

HDMI:EDID HDMI VSDB has no latency information

HDMI:EDID filtering formats with pixel clock > 162 MHz or h. blanking
> 1023

HDMI:EDID best score mode is now CEA (1) 640x480p @ 60 Hz with pixel clock 25 MHz (score 136864)

HDMI:EDID best score mode is now CEA (2) 720x480p @ 60 Hz with pixel clock 27 MHz (score 5162208)

HDMI:EDID CEA mode (3) 720x480p @ 60 Hz with pixel clock 27 MHz has a score of 141472

HDMI:EDID CEA mode (4) 1280x720p @ 60 Hz with pixel clock 74 MHz has a score of 4765888

HDMI:EDID DMT mode (4) 640x480p @ 60 Hz with pixel clock 25 MHz has a score of 18432

HDMI:EDID CEA mode (5) 1920x1080i @ 60 Hz with pixel clock 74 MHz has a score of 4348832

HDMI:EDID DMT mode (5) 640x480p @ 72 Hz with pixel clock 31 MHz has a score of 22118

HDMI:EDID CEA mode (6) 1440x480i @ 60 Hz with pixel clock 27 MHz has a score of 120736

HDMI:EDID DMT mode (6) 640x480p @ 75 Hz with pixel clock 31 MHz has a score of 23040

HDMI:EDID CEA mode (7) 1440x480i @ 60 Hz with pixel clock 27 MHz has a score of 120736

HDMI:EDID DMT mode (8) 800x600p @ 56 Hz with pixel clock 36 MHz has a score of 26880

HDMI:EDID DMT mode (9) 800x600p @ 60 Hz with pixel clock 40 MHz has a score of 28800

HDMI:EDID DMT mode (10) 800x600p @ 72 Hz with pixel clock 50 MHz has a score of 34560

HDMI:EDID DMT mode (11) 800x600p @ 75 Hz with pixel clock 49 MHz has a score of 36000

HDMI:EDID CEA mode (16) 1920x1080p @ 60 Hz with pixel clock 148 MHz has a score of 348832

HDMI:EDID DMT mode (16) 1024x768p @ 60 Hz with pixel clock 65 MHz has a score of 47185

HDMI:EDID CEA mode (17) 720x576p @ 50 Hz with pixel clock 27 MHz has a score of 141472

HDMI:EDID DMT mode (17) 1024x768p @ 70 Hz with pixel clock 75 MHz has a score of 55050

HDMI:EDID CEA mode (18) 720x576p @ 50 Hz with pixel clock 27 MHz has a score of 141472

HDMI:EDID DMT mode (18) 1024x768p @ 75 Hz with pixel clock 78 MHz has a score of 58982

HDMI:EDID CEA mode (19) 1280x720p @ 50 Hz with pixel clock 74 MHz has a score of 3738240

HDMI:EDID CEA mode (20) 1920x1080i @ 50 Hz with pixel clock 74 MHz has a score of 3307360

HDMI:EDID CEA mode (21) 1440x576i @ 50 Hz with pixel clock 27 MHz has a score of 120736

HDMI:EDID DMT mode (21) 1152x864p @ 75 Hz with pixel clock 108 MHz has a score of 174649

HDMI:EDID CEA mode (31) 1920x1080p @ 50 Hz with pixel clock 148 MHz has a score of 307360

HDMI:EDID DMT mode (35) 1280x1024p @ 60 Hz with pixel clock 108 MHz has a score of 178643

HDMI:EDID DMT mode (36) 1280x1024p @ 75 Hz with pixel clock 135 MHz has a score of 98304

HDMI:EDID DMT mode (47) 1440x900p @ 60 Hz with pixel clock 106 MHz has a score of 177760

HDMI:EDID DMT mode (48) 1440x900p @ 75 Hz with pixel clock 136 MHz has a score of 197200

HDMI:EDID DMT mode (51) 1600x1200p @ 60 Hz with pixel clock 162 MHz has a score of 215200

HDMI:EDID DMT mode (58) 1680x1050p @ 60 Hz with pixel clock 146 MHz has a score of 205840

HDMI:EDID preferred mode remained as CEA (2) 720x480p @ 60 Hz with pixel clock 27 MHz

HDMI:EDID has HDMI support and audio support edid_parser exited with code 0

您的电缆足够好吗?
托尔比约恩Ravn的安徒生

Answers:


5

我有旧的(至少15年)Sharp Aquos LC-19A1E电视/显示器和新的512Mb版本B Raspberry Pi。有了Original config.txt,它配备了1080i 60Hz屏幕。LXDE中的屏幕分辨率表示1860x左右???(忘了。)它远远超出了我的电视手册(1366x768)中描述的最大分辨率。

因此,它尝试编辑config.txt:

hdmi_group=2

hdmi_mode=81

没有效果。

然后,我将此命令添加为 config.txt

hdmi_ignore_edid=0xa5000080

瞧,它就像一种魅力。本机分辨率和电视上的清晰视野。

同时更多config.txthttp://elinux.org/RPiconfig


2
hdmi_ignore_edit=0xa5000080告诉系统忽略设备的EDID信息,使您可以设置所需的任何DMT或CEA模式。
HeatfanJohn

1

正如@Iamyrus建议的那样,放入hdmi_ignore_edid=0xa5000080您的/boot/config.txt文件中。

但是,由于Acer H243HX显示器的本机分辨率为1920x1080,并且由于在编辑显示器的EDID块时列出了CEA模式5,因此建议您在以下设置/boot/config.txt

hdmi_group=1
hdmi_mode=16

您还可以通过仅放置hdmi_ignore_edidconfig.txt并执行以下命令来进行测试:

/opt/vc/bin/tvservice -m "CEA 16"

根据您的EDID信息,CEA 16为:

HDMI:EDID found CEA format: code 16, 1920x1080p @ 60Hz

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