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fuzzy black text on the red background in a 15.6 touchscreen on raspberry kernel 5.10,but kernel 4.19 works well #5085

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gitgonewithwind opened this issue Jul 6, 2022 · 35 comments

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@gitgonewithwind
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Describe the bug

HI all,
our application need to show black text on the red background as error,

but fuzzy black text on the red background in a 15.6 touchscreen (Lilliput. The model is tk156a ) on raspberry kernel 5.10 ( ycoto meta-raspberrypi agherzan/meta-raspberrypi@e1014d4), the pi 4 hardware versions are 1.4 and 1.2

at same time, I tested updated raspbian image 2022-04-04-raspios-bullseye-arm64.img.xz(not yocto image) from here: https://www.raspberrypi.com/software/ (kernel 5.15) it has the same issue on both pi4 hardware 1.4 and 1.2

we have pi 4 hardware version 1.2 ,so I tested older yocto image (kernel 4.19 , meta-raspberrypi agherzan/meta-raspberrypi@b112816) ,it works well!( of course ,this image can not startup in hardware 1.4,so we can not use 1.2 boards for our application )

therefore, I think kernel 4.19 work well for the touchscreen ,but updated kernel (5.10,5.15) not work well. Maybe the issue is from HDMI drivers in higher kernel?
so do you know where are the HDMI driver files in kernel? how to modified thems (I mean where is the key code ?)
any help?
I change different resolutions ,but same error.

Steps to reproduce the behaviour

see the pictures here for more info
agherzan/meta-raspberrypi#1069

Device (s)

Raspberry Pi 4 Mod. B

System

Which kernel version:
kernel 5.10
&
kernel 5.15

Logs

No response

Additional context

No response

@popcornmix
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It sounds like issue occurs with 2022-04-04-raspios-bullseye-arm64 (with 5.15 kernel), so focus on that.
Post any changes (if any) you made to config.txt and cmdline.txt.

By default that image uses the kms driver (dtoverlay=vc4-kms-v3d). Can you confirm if the issue occurs with kms changed to fkms on that line?

With kms, when you see fuzzy text can you post output of /sys/kernel/debug/dri/0/state.
If that file doesn't exist then try /sys/kernel/debug/dri/1/state.

@6by9
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6by9 commented Jul 7, 2022

torvalds/linux@f741b28 introduced in 5.2 dropped the framebuffer default from 32bpp to 16bpp assuming you're running vc4-kms-v3d or vc4-fkms-v3d.

If your text renderer is using anti-aliasing to try and smooth the font out, then the loss of colour definition may cause that sort of issue.

@gitgonewithwind
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torvalds/linux@f741b28 introduced in 5.2 dropped the framebuffer default from 32bpp to 16bpp assuming you're running vc4-kms-v3d or vc4-fkms-v3d.

If your text renderer is using anti-aliasing to try and smooth the font out, then the loss of colour definition may cause that sort of issue.

@6by9
my yocto image kernel is 5.10. drivers/gpu/drm/vc4/vc4_drv.c is already changed to drm_fbdev_generic_setup(drm, 16);
so the issue is NOT here.

@6by9
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6by9 commented Jul 8, 2022

16bpp will be blurrier than 32bpp if using anti-aliased fonts.

@gitgonewithwind
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gitgonewithwind commented Jul 8, 2022

16bpp will be blurrier than 32bpp if using anti-aliased fonts.

got it now. let try to change and test

@6by9
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6by9 commented Jul 8, 2022

You should be able to override it by adding video=HDMI-A-1:1920x1080M-32@60 to /boot/cmdline.txt (do NOT add any carriage returns). Alter the resolution & frame rate to suit.

@gitgonewithwind
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gitgonewithwind commented Jul 8, 2022

/sys/kernel/debug/dri/1/state

my debug info for Linux raspberrypi 5.15.32-v8+ #1538 SMP PREEMPT Thu Mar 31 19:40:39 BST 2022 aarch64 GNU/Linux 2022-04-04-raspios-bullseye-arm64 ( I am going to try @6by9 solutions. I will post the result)
dtoverlay=vc4-kms-v3d & dtoverlay=vc4-fkms-v3d

  1. vc4-fkms-v3d
    cat /sys/kernel/debug/dri/1/state
    plane[31]: plane-0
    crtc=crtc-0
    fb=99
    allocated by = Xorg
    refcount=2
    format=XR24 little-endian (0x34325258)
    modifier=0x0
    size=1024x768
    layers:
    size[0]=1024x768
    pitch[0]=4096
    offset[0]=0
    obj[0]:
    name=0
    refcount=3
    start=001006f5
    size=3145728
    imported=no
    crtc-pos=1024x768+0+0
    src-pos=1024.000000x768.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=0
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    plane[38]: plane-1
    crtc=(null)
    fb=0
    crtc-pos=0x0+0+0
    src-pos=0.000000x0.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=1
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    plane[45]: plane-2
    crtc=(null)
    fb=0
    crtc-pos=0x0+0+0
    src-pos=0.000000x0.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=1
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    plane[52]: plane-3
    crtc=(null)
    fb=0
    crtc-pos=0x0+0+0
    src-pos=0.000000x0.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=1
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    plane[59]: plane-4
    crtc=(null)
    fb=0
    crtc-pos=0x0+0+0
    src-pos=0.000000x0.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=1
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    plane[66]: plane-5
    crtc=(null)
    fb=0
    crtc-pos=0x0+0+0
    src-pos=0.000000x0.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=1
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    plane[73]: plane-6
    crtc=(null)
    fb=0
    crtc-pos=0x0+0+0
    src-pos=0.000000x0.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=1
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    plane[80]: plane-7
    crtc=(null)
    fb=0
    crtc-pos=0x0+0+0
    src-pos=0.000000x0.000000+0.000000+0.000000
    rotation=1
    normalized-zpos=1
    color-encoding=ITU-R BT.709 YCbCr
    color-range=YCbCr limited range
    crtc[87]: crtc-0
    enable=1
    active=1
    self_refresh_active=0
    planes_changed=1
    mode_changed=0
    active_changed=0
    connectors_changed=0
    color_mgmt_changed=0
    plane_mask=1
    connector_mask=1
    encoder_mask=1
    mode: "": 75 78750 1024 1040 1136 1312 768 769 772 800 0x0 0x5
    connector[89]: HDMI-A-1
    crtc=crtc-0
    self_refresh_aware=0

  2. dtoverlay=vc4-kms-v3d

cat /sys/kernel/debug/dri/1/state
plane[51]: plane-0
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[62]: plane-1
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[73]: plane-2
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[84]: plane-3
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[95]: plane-4
crtc=crtc-4
fb=340
allocated by = Xorg
refcount=2
format=XR24 little-endian (0x34325258)
modifier=0x0
size=1920x1080
layers:
size[0]=1920x1080
pitch[0]=7680
offset[0]=0
obj[0]:
name=0
refcount=3
start=00100bf7
size=8294400
imported=no
crtc-pos=1920x1080+0+0
src-pos=1920.000000x1080.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[106]: plane-5
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=0
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[117]: plane-6
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=1
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[127]: plane-7
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=2
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[137]: plane-8
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=3
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[147]: plane-9
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=4
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[157]: plane-10
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=5
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[167]: plane-11
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=6
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[177]: plane-12
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=7
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[187]: plane-13
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=8
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[197]: plane-14
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=9
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[207]: plane-15
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=a
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[217]: plane-16
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=b
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[227]: plane-17
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=c
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[237]: plane-18
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=d
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[247]: plane-19
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=e
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[257]: plane-20
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=f
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[267]: plane-21
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=10
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[277]: plane-22
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=11
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[287]: plane-23
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=11
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[297]: plane-24
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=11
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[307]: plane-25
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=11
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[317]: plane-26
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=1
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
plane[327]: plane-27
crtc=(null)
fb=0
crtc-pos=0x0+0+0
src-pos=0.000000x0.000000+0.000000+0.000000
rotation=1
normalized-zpos=11
color-encoding=ITU-R BT.709 YCbCr
color-range=YCbCr limited range
crtc[61]: crtc-0
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[72]: crtc-1
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[83]: crtc-2
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[94]: crtc-3
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
crtc[105]: crtc-4
enable=1
active=1
self_refresh_active=0
planes_changed=1
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=10
connector_mask=2
encoder_mask=2
mode: "": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
crtc[116]: crtc-5
enable=0
active=0
self_refresh_active=0
planes_changed=0
mode_changed=0
active_changed=0
connectors_changed=0
color_mgmt_changed=0
plane_mask=0
connector_mask=0
encoder_mask=0
mode: "": 0 0 0 0 0 0 0 0 0 0 0x0 0x0
connector[32]: HDMI-A-1
crtc=(null)
self_refresh_aware=0
connector[41]: HDMI-A-2
crtc=crtc-4
self_refresh_aware=0
connector[50]: Writeback-1
crtc=(null)
self_refresh_aware=0

@gitgonewithwind
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You should be able to override it by adding video=HDMI-A-1:1920x1080M-32@60 to /boot/cmdline.txt (do NOT add any carriage returns). Alter the resolution & frame rate to suit.

I am going to try

@gitgonewithwind
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@6by9
my cmdline.txt:

video=HDMI-A-1:1920x1080M-32@60 console=serial0,115200 console=tty1 root=PARTUUID=f3d36243-02 rootfstype=ext4 fsck.repair=yes rootwait quiet splash plymouth.ignore-serial-consoles

config.txt :
dtoverlay=vc4-kms-v3d or dtoverlay=vc4-fkms-v3d


but the issue is same as before

@popcornmix
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The state posted for kms looks to have:

mode: "": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5
format=XR24 little-endian (0x34325258)
crtc-pos=1920x1080+0+0
src-pos=1920.000000x1080.000000+0.000000+0.000000

So, a 1920x1080 hdmi resolution. 24bpp framebuffer. And no scaling. So that all looks as expected.

@gitgonewithwind
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@popcornmix sorry, what do you mean? how I can change the config? change to video=HDMI-A-1:1920x1080M-24@60 ?

@popcornmix
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I didn't suggest anything. I just looked at the kms state, which didn't have either of the obvious causes for the fuzzy text (a scaled or low bpp framebuffer).

@popcornmix
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Although fkms:

mode: "": 75 78750 1024 1040 1136 1312 768 769 772 800 0x0 0x5

kms:

mode: "": 60 148500 1920 2008 2052 2200 1080 1084 1089 1125 0x0 0x5

are picking different hdmi resolutions. Do both appear fuzzy or only one?

@gitgonewithwind
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@popcornmix
I tried different hdmi resolutions. both appear fuzzy.

@6by9
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6by9 commented Jul 8, 2022

I'd asked in your forum post for a link to this display as a search only revealed a TK1560-T - you never answered.

What is the native resolution of this display?

How are you generating your text? It vaguely looks like it's running in a web browser.
If you go back to your 4.19 image, then what does tvservice -s report?

Both vc4-kms-v3d and vc4-fkms-v3d will be rendering the display through V3D and OpenGL. 4.19 is likely to be working directly with the framebuffer with no acceleration.

Does it look blurry on a different HDMI display?

@gitgonewithwind
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gitgonewithwind commented Jul 8, 2022

@6by9

I'd asked in your forum post for a link to this display as a search only revealed a TK1560-T - you never answered.

I did not received the email (the system shows will send a email to me if posted ), sorry I did not reply.

What is the native resolution of this display?
native resolution:1920x1080
this is the webpage for the screen :https://lilliputweb.net/tk1560-t-15-6-inch-touch-screen-monitor/
the part# might be a little different because we have a custom splashscreen installed and a shatter proof film added

How are you generating your text? It vaguely looks like it's running in a web browser.
If you go back to your 4.19 image, then what does tvservice -s report?
yes, it's running in a web browser for our application.
what does tvservice -s report? I will get it later

Both vc4-kms-v3d and vc4-fkms-v3d will be rendering the display through V3D and OpenGL. 4.19 is likely to be working directly with the framebuffer with no acceleration.
4.19 works well for my yocto image.

Does it look blurry on a different HDMI display?

not. we use more that 5 kinds HDMI display. there is no this kind issue.
but one has another issue here: agherzan/meta-raspberrypi#1027 for 13.3" LCD Lilliput TK1330-NP/C/T that we solved it with a additional hardware cable

@gitgonewithwind
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gitgonewithwind commented Jul 11, 2022

@6by9
If you go back to your 4.19 image, then what does tvservice -s report?

in my yocto image, pi4 hardware version 1.2. display correct. no fuzzy

tvservice -s
state 0x6 [DVI CUSTOM RGB full 16:9], 1280x720 @ 60.00Hz, progressive
root@raspberrypi4-64:~# uname -a
Linux raspberrypi4-64 4.19.66 #1 SMP PREEMPT Wed Apr 13 18:11:21 UTC 2022 aarch64 aarch64 aarch64 GNU/Linux

@6by9
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6by9 commented Jul 11, 2022

Well that appears to answer your own question - run at 1280x720 60Hz.
Either modify the video=HDMI-A-1... line if booting to the console, or use xrandr --output HDMI-1 --mode 1280x720 --refresh 60 if using X.

@gitgonewithwind
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gitgonewithwind commented Jul 11, 2022

Well that appears to answer your own question - run at 1280x720 60Hz. Either modify the video=HDMI-A-1... line if booting to the console, or use xrandr --output HDMI-1 --mode 1280x720 --refresh 60 if using X.

you mean I run xrandr --output HDMI-1 --mode 1280x720 --refresh 60 in kernel 5.10 at hardware version 1.4 , it will be fix ?

for our app,we always use 1280x720 for long time

@popcornmix
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you mean I run xrandr --output HDMI-1 --mode 1280x720 --refresh 60 in kernel 5.10 at hardware version 1.4 , it will be fix ?

That's the suggestion. Try it. You can also use preferences/screen configuration from desktop menu for a gui way of setting this.

@gitgonewithwind
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@6by9
I tired before ,it's better but
fuzzy still has a little bit.
my colleagues think it seems OK.( you know the fuzzy is not very heavy, Maybe my colleagues or QC can accept it )

/etc/X11/xorg.conf.d/10-monitor.conf
..
Identifier "Screen0"
Device "HDMI-1"
Monitor "HDMI-1"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1920x1080" "1280x720_60.00"
EndSubSection
EndSection
..

@6by9
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6by9 commented Jul 11, 2022

The other thing from your tvservice output is that it is sending full range RGB in DVI mode, when I suspect that 5.10+ will be using limited range HDMI mode (depends on the EDID).
You can force full range via xrandr --output HDMI-1 --set "Broadcast RGB" "Full". (Options are Automatic, Full, or Limited 16:235).

This all sounds like it is down to a dodgy EDID. xrandr --verbose will print it out as a block of 16 lines (along with the modes that it has parse from it). Can you post that section please?

@JamesH65
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Do you have overscan on? I believe that can change the scaling away from the native resolution.

@gitgonewithwind
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gitgonewithwind commented Jul 11, 2022

The other thing from your tvservice output is that it is sending full range RGB in DVI mode, when I suspect that 5.10+ will be using limited range HDMI mode (depends on the EDID). You can force full range via xrandr --output HDMI-1 --set "Broadcast RGB" "Full". (Options are Automatic, Full, or Limited 16:235).

This all sounds like it is down to a dodgy EDID. xrandr --verbose will print it out as a block of 16 lines (along with the modes that it has parse from it). Can you post that section please?
.
.

which kernel I run xrandr --verbose ? kernel 5.10?

@gitgonewithwind
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Do you have overscan on? I believe that can change the scaling away from the native resolution.

I think I do not have overscan on(I do not know where to switch it on). we only open chromium(no frame,no address bar) pages to as a menu as GUI to display infos

@popcornmix
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Do you have overscan on? I believe that can change the scaling away from the native resolution.

There was no scaling (see #5085 (comment))

@6by9
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6by9 commented Jul 11, 2022

which kernel I run xrandr --verbose ? kernel 5.10?

Yes, 5.10 or 5.15.

@gitgonewithwind
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@6by9
my yocto image:

5.10.83-v8 #1 SMP PREEMPT Tue Dec 7 13:42:57 UTC 2021 aarch64 aarch64 aarch64 GNU/Linux
root@raspberrypi4-64:# xrandr --verbose
Can't open display
root@raspberrypi4-64:
# export DISPLAY=:0
root@raspberrypi4-64:~# xrandr --verbose
Screen 0: minimum 320 x 200, current 1280 x 720, maximum 7680 x 7680
HDMI-1 connected primary 1280x720+0+0 (0x47) normal (normal left inverted right x axis y axis) 170mm x 110mm
Identifier: 0x44
Timestamp: 12680
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff003190502102000000
2d1c010380301b788a2895a7554ea326
0f5054bfef8081c090407140b3008180
a9c081008140023a801871382d40582c
4500aa6e0000001e662156aa51001e30
46f33300aa6e0000001e000000fc004d
6f6e69746f720a2020202020000000fd
00184c1e511e000000000000000001b8
020330c24d010304050790121314169f
2022260907070700008301000072030c
001000b84420c0840102030401410000
8c0ad08a20e02d10103e9600c48e2100
00188c0ad090204031200c405500c48e
21000018011d00bc52d01e20b8285540
c48e2100001e011d80d0721c1620102c
2580c48e2100009e0000000000000010
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGB_Theater
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 32
supported: 32
non-desktop: 0
range: (0, 1)
1280x720_60.00 (0x47) 74.500MHz -HSync +VSync *current +preferred
h: width 1280 start 1344 end 1472 total 1664 skew 0 clock 44.77KHz
v: height 720 start 723 end 728 total 748 clock 59.86Hz
1920x1080 (0x48) 148.500MHz +HSync +VSync +preferred
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1084 end 1089 total 1125 clock 60.00Hz
4096x2160 (0x49) 297.000MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
4096x2160 (0x4a) 296.703MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
3840x2160 (0x4b) 297.000MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.50KHz
v: height 2160 start 2168 end 2178 total 2250 clock 30.00Hz
3840x2160 (0x4c) 297.000MHz +HSync +VSync
h: width 3840 start 4896 end 4984 total 5280 skew 0 clock 56.25KHz
v: height 2160 start 2168 end 2178 total 2250 clock 25.00Hz
3840x2160 (0x4d) 297.000MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
3840x2160 (0x4e) 296.703MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.43KHz
v: height 2160 start 2168 end 2178 total 2250 clock 29.97Hz
3840x2160 (0x4f) 296.703MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
1920x1080 (0x50) 148.500MHz +HSync +VSync
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.25KHz
v: height 1080 start 1084 end 1089 total 1125 clock 50.00Hz
1920x1080 (0x51) 148.352MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.43KHz
v: height 1080 start 1084 end 1089 total 1125 clock 59.94Hz
1920x1080i (0x52) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1094 total 1125 clock 60.00Hz
1920x1080i (0x53) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.12KHz
v: height 1080 start 1084 end 1094 total 1125 clock 50.00Hz
1920x1080 (0x54) 74.250MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1089 total 1125 clock 30.00Hz
1920x1080 (0x55) 74.250MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 27.00KHz
v: height 1080 start 1084 end 1089 total 1125 clock 24.00Hz
1920x1080i (0x56) 74.176MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1094 total 1125 clock 59.94Hz
1920x1080 (0x57) 74.176MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1089 total 1125 clock 29.97Hz
1920x1080 (0x58) 74.176MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 26.97KHz
v: height 1080 start 1084 end 1089 total 1125 clock 23.98Hz
1680x1050 (0x59) 119.000MHz +HSync -VSync
h: width 1680 start 1728 end 1760 total 1840 skew 0 clock 64.67KHz
v: height 1050 start 1053 end 1059 total 1080 clock 59.88Hz
1400x1050 (0x5a) 101.000MHz +HSync -VSync
h: width 1400 start 1448 end 1480 total 1560 skew 0 clock 64.74KHz
v: height 1050 start 1053 end 1057 total 1080 clock 59.95Hz
1600x900 (0x5b) 108.000MHz +HSync +VSync
h: width 1600 start 1624 end 1704 total 1800 skew 0 clock 60.00KHz
v: height 900 start 901 end 904 total 1000 clock 60.00Hz
1280x1024 (0x5c) 135.000MHz +HSync +VSync
h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 79.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 75.02Hz
1280x1024 (0x5d) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x960 (0x5e) 108.000MHz +HSync +VSync
h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.00KHz
v: height 960 start 961 end 964 total 1000 clock 60.00Hz
1280x800 (0x5f) 71.000MHz +HSync -VSync
h: width 1280 start 1328 end 1360 total 1440 skew 0 clock 49.31KHz
v: height 800 start 803 end 809 total 823 clock 59.91Hz
1152x864 (0x60) 108.000MHz +HSync +VSync
h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.50KHz
v: height 864 start 865 end 868 total 900 clock 75.00Hz
1280x720 (0x61) 74.250MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.00KHz
v: height 720 start 725 end 730 total 750 clock 60.00Hz
1280x720 (0x62) 74.250MHz +HSync +VSync
h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.50KHz
v: height 720 start 725 end 730 total 750 clock 50.00Hz
1280x720 (0x63) 74.176MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 44.96KHz
v: height 720 start 725 end 730 total 750 clock 59.94Hz
1024x768 (0x64) 78.750MHz +HSync +VSync
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.02KHz
v: height 768 start 769 end 772 total 800 clock 75.03Hz
1024x768 (0x65) 75.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.48KHz
v: height 768 start 771 end 777 total 806 clock 70.07Hz
1024x768 (0x66) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
832x624 (0x67) 57.284MHz -HSync -VSync
h: width 832 start 864 end 928 total 1152 skew 0 clock 49.73KHz
v: height 624 start 625 end 628 total 667 clock 74.55Hz
800x600 (0x68) 50.000MHz +HSync +VSync
h: width 800 start 856 end 976 total 1040 skew 0 clock 48.08KHz
v: height 600 start 637 end 643 total 666 clock 72.19Hz
800x600 (0x69) 49.500MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.88KHz
v: height 600 start 601 end 604 total 625 clock 75.00Hz
800x600 (0x6a) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
800x600 (0x6b) 36.000MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.16KHz
v: height 600 start 601 end 603 total 625 clock 56.25Hz
720x576 (0x6c) 27.000MHz -HSync -VSync
h: width 720 start 732 end 796 total 864 skew 0 clock 31.25KHz
v: height 576 start 581 end 586 total 625 clock 50.00Hz
720x576i (0x6d) 13.500MHz -HSync -VSync Interlace
h: width 720 start 732 end 795 total 864 skew 0 clock 15.62KHz
v: height 576 start 580 end 586 total 625 clock 50.00Hz
720x480 (0x6e) 27.027MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.50KHz
v: height 480 start 489 end 495 total 525 clock 60.00Hz
720x480 (0x6f) 27.000MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.47KHz
v: height 480 start 489 end 495 total 525 clock 59.94Hz
720x480i (0x70) 13.514MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.75KHz
v: height 480 start 488 end 494 total 525 clock 60.00Hz
720x480i (0x71) 13.500MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.73KHz
v: height 480 start 488 end 494 total 525 clock 59.94Hz
640x480 (0x72) 31.500MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.50KHz
v: height 480 start 481 end 484 total 500 clock 75.00Hz
640x480 (0x73) 31.500MHz -HSync -VSync
h: width 640 start 664 end 704 total 832 skew 0 clock 37.86KHz
v: height 480 start 489 end 492 total 520 clock 72.81Hz
640x480 (0x74) 30.240MHz -HSync -VSync
h: width 640 start 704 end 768 total 864 skew 0 clock 35.00KHz
v: height 480 start 483 end 486 total 525 clock 66.67Hz
640x480 (0x75) 25.200MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.50KHz
v: height 480 start 490 end 492 total 525 clock 60.00Hz
640x480 (0x76) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
720x400 (0x77) 28.320MHz -HSync +VSync
h: width 720 start 738 end 846 total 900 skew 0 clock 31.47KHz
v: height 400 start 412 end 414 total 449 clock 70.08Hz
HDMI-2 disconnected (normal left inverted right x axis y axis)
Identifier: 0x45
Timestamp: 12680
Subpixel: unknown
Clones:
CRTCs: 4
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGB_Theater
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 40
supported: 40
non-desktop: 0
range: (0, 1)

@gitgonewithwind
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@6by9
root@raspberrypi4-64:~# xrandr --output HDMI-1 --set "Broadcast RGB" "Full"
X Error of failed request: BadName (named color or font does not exist)
Major opcode of failed request: 139 (RANDR)
Minor opcode of failed request: 11 (RRQueryOutputProperty)
Serial number of failed request: 39
Current serial number in output stream: 39

@6by9
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6by9 commented Jul 11, 2022

"Broadcast RGB" was only added in 5.15 via #4850 and updated by #5021 in May. You'll need a fairly recent kernel for that (5.15.40 or more recent).

@gitgonewithwind
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"Broadcast RGB" was only added in 5.15 via #4850 and updated by #5021 in May. You'll need a fairly recent kernel for that (5.15.40 or more recent).

do you know it has used in https://github.com/agherzan/meta-raspberrypi for yocto ? if have done, I will clone it to test it

@gitgonewithwind
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@6by9
I changed to 1920x1080, I used same test html file, so the display is smaller than 1280x720, the fuzzy is still there.(it's smaller, so Maybe my colleagues think it seems OK)
I am going to clone the newest 5.15 to try. Thanks.
root@raspberrypi4-64:~# xrandr --verbose
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 7680 x 7680
HDMI-1 connected primary 1920x1080+0+0 (0x47) normal (normal left inverted right x axis y axis) 170mm x 110mm
Identifier: 0x44
Timestamp: 12849
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff003190502102000000
2d1c010380301b788a2895a7554ea326
0f5054bfef8081c090407140b3008180
a9c081008140023a801871382d40582c
4500aa6e0000001e662156aa51001e30
46f33300aa6e0000001e000000fc004d
6f6e69746f720a2020202020000000fd
00184c1e511e000000000000000001b8
020330c24d010304050790121314169f
2022260907070700008301000072030c
001000b84420c0840102030401410000
8c0ad08a20e02d10103e9600c48e2100
00188c0ad090204031200c405500c48e
21000018011d00bc52d01e20b8285540
c48e2100001e011d80d0721c1620102c
2580c48e2100009e0000000000000010
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGB_Theater
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 32
supported: 32
non-desktop: 0
range: (0, 1)
1920x1080 (0x47) 148.500MHz +HSync +VSync *current +preferred
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1084 end 1089 total 1125 clock 60.00Hz
4096x2160 (0x48) 297.000MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
4096x2160 (0x49) 296.703MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
3840x2160 (0x4a) 297.000MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.50KHz
v: height 2160 start 2168 end 2178 total 2250 clock 30.00Hz
3840x2160 (0x4b) 297.000MHz +HSync +VSync
h: width 3840 start 4896 end 4984 total 5280 skew 0 clock 56.25KHz
v: height 2160 start 2168 end 2178 total 2250 clock 25.00Hz
3840x2160 (0x4c) 297.000MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
3840x2160 (0x4d) 296.703MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.43KHz
v: height 2160 start 2168 end 2178 total 2250 clock 29.97Hz
3840x2160 (0x4e) 296.703MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
1920x1080 (0x4f) 148.500MHz +HSync +VSync
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.25KHz
v: height 1080 start 1084 end 1089 total 1125 clock 50.00Hz
1920x1080 (0x50) 148.352MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.43KHz
v: height 1080 start 1084 end 1089 total 1125 clock 59.94Hz
1920x1080i (0x51) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1094 total 1125 clock 60.00Hz
1920x1080i (0x52) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.12KHz
v: height 1080 start 1084 end 1094 total 1125 clock 50.00Hz
1920x1080 (0x53) 74.250MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1089 total 1125 clock 30.00Hz
1920x1080 (0x54) 74.250MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 27.00KHz
v: height 1080 start 1084 end 1089 total 1125 clock 24.00Hz
1920x1080i (0x55) 74.176MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1094 total 1125 clock 59.94Hz
1920x1080 (0x56) 74.176MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1089 total 1125 clock 29.97Hz
1920x1080 (0x57) 74.176MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 26.97KHz
v: height 1080 start 1084 end 1089 total 1125 clock 23.98Hz
1680x1050 (0x58) 119.000MHz +HSync -VSync
h: width 1680 start 1728 end 1760 total 1840 skew 0 clock 64.67KHz
v: height 1050 start 1053 end 1059 total 1080 clock 59.88Hz
1400x1050 (0x59) 101.000MHz +HSync -VSync
h: width 1400 start 1448 end 1480 total 1560 skew 0 clock 64.74KHz
v: height 1050 start 1053 end 1057 total 1080 clock 59.95Hz
1600x900 (0x5a) 108.000MHz +HSync +VSync
h: width 1600 start 1624 end 1704 total 1800 skew 0 clock 60.00KHz
v: height 900 start 901 end 904 total 1000 clock 60.00Hz
1280x1024 (0x5b) 135.000MHz +HSync +VSync
h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 79.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 75.02Hz
1280x1024 (0x5c) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x960 (0x5d) 108.000MHz +HSync +VSync
h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.00KHz
v: height 960 start 961 end 964 total 1000 clock 60.00Hz
1280x800 (0x5e) 71.000MHz +HSync -VSync
h: width 1280 start 1328 end 1360 total 1440 skew 0 clock 49.31KHz
v: height 800 start 803 end 809 total 823 clock 59.91Hz
1152x864 (0x5f) 108.000MHz +HSync +VSync
h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.50KHz
v: height 864 start 865 end 868 total 900 clock 75.00Hz
1280x720_60.00 (0x60) 74.500MHz -HSync +VSync
h: width 1280 start 1344 end 1472 total 1664 skew 0 clock 44.77KHz
v: height 720 start 723 end 728 total 748 clock 59.86Hz
1280x720 (0x61) 74.250MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.00KHz
v: height 720 start 725 end 730 total 750 clock 60.00Hz
1280x720 (0x62) 74.250MHz +HSync +VSync
h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.50KHz
v: height 720 start 725 end 730 total 750 clock 50.00Hz
1280x720 (0x63) 74.176MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 44.96KHz
v: height 720 start 725 end 730 total 750 clock 59.94Hz
1024x768 (0x64) 78.750MHz +HSync +VSync
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.02KHz
v: height 768 start 769 end 772 total 800 clock 75.03Hz
1024x768 (0x65) 75.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.48KHz
v: height 768 start 771 end 777 total 806 clock 70.07Hz
1024x768 (0x66) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
832x624 (0x67) 57.284MHz -HSync -VSync
h: width 832 start 864 end 928 total 1152 skew 0 clock 49.73KHz
v: height 624 start 625 end 628 total 667 clock 74.55Hz
800x600 (0x68) 50.000MHz +HSync +VSync
h: width 800 start 856 end 976 total 1040 skew 0 clock 48.08KHz
v: height 600 start 637 end 643 total 666 clock 72.19Hz
800x600 (0x69) 49.500MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.88KHz
v: height 600 start 601 end 604 total 625 clock 75.00Hz
800x600 (0x6a) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
800x600 (0x6b) 36.000MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.16KHz
v: height 600 start 601 end 603 total 625 clock 56.25Hz
720x576 (0x6c) 27.000MHz -HSync -VSync
h: width 720 start 732 end 796 total 864 skew 0 clock 31.25KHz
v: height 576 start 581 end 586 total 625 clock 50.00Hz
720x576i (0x6d) 13.500MHz -HSync -VSync Interlace
h: width 720 start 732 end 795 total 864 skew 0 clock 15.62KHz
v: height 576 start 580 end 586 total 625 clock 50.00Hz
720x480 (0x6e) 27.027MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.50KHz
v: height 480 start 489 end 495 total 525 clock 60.00Hz
720x480 (0x6f) 27.000MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.47KHz
v: height 480 start 489 end 495 total 525 clock 59.94Hz
720x480i (0x70) 13.514MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.75KHz
v: height 480 start 488 end 494 total 525 clock 60.00Hz
720x480i (0x71) 13.500MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.73KHz
v: height 480 start 488 end 494 total 525 clock 59.94Hz
640x480 (0x72) 31.500MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.50KHz
v: height 480 start 481 end 484 total 500 clock 75.00Hz
640x480 (0x73) 31.500MHz -HSync -VSync
h: width 640 start 664 end 704 total 832 skew 0 clock 37.86KHz
v: height 480 start 489 end 492 total 520 clock 72.81Hz
640x480 (0x74) 30.240MHz -HSync -VSync
h: width 640 start 704 end 768 total 864 skew 0 clock 35.00KHz
v: height 480 start 483 end 486 total 525 clock 66.67Hz
640x480 (0x75) 25.200MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.50KHz
v: height 480 start 490 end 492 total 525 clock 60.00Hz
640x480 (0x76) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
720x400 (0x77) 28.320MHz -HSync +VSync
h: width 720 start 738 end 846 total 900 skew 0 clock 31.47KHz
v: height 400 start 412 end 414 total 449 clock 70.08Hz
HDMI-2 disconnected (normal left inverted right x axis y axis)
Identifier: 0x45
Timestamp: 12849
Subpixel: unknown
Clones:
CRTCs: 4
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGB_Theater
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 40
supported: 40
non-desktop: 0
range: (0, 1)

@gitgonewithwind
Copy link
Author

@6by9
yes, I find I can use https://github.com/agherzan/meta-raspberrypi for 5.15
I will test it.
Thank you very much.

@kraj
@agherzan
kraj and agherzan linux-raspberrypi: Upgrade to 5.15.38

@gitgonewithwind
Copy link
Author

@6by9
I am using 5.15 to test. if I display my test.htm file in chromium on the touchscreen directly as before. there is a little fuzzy as before. but I enlarge it with fingers on the touchscreen. it's clear!
so is it scaling issue ?
.
.
.

uname -a
Linux raspberrypi4-64 5.15.38-v8 #1 SMP PREEMPT Wed May 11 19:05:52 UTC 2022 aarch64 GNU/Linux
"oot@raspberrypi4-64:# xrandr --output HDMI-1 --set "Broadcast RGB" "Full"
root@raspberrypi4-64:
# xrandr --verbose
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 7680 x 7680
HDMI-1 connected primary 1920x1080+0+0 (0x47) normal (normal left inverted right x axis y axis) 170mm x 110mm
Identifier: 0x44
Timestamp: 440582
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff003190502102000000
2d1c010380301b788a2895a7554ea326
0f5054bfef8081c090407140b3008180
a9c081008140023a801871382d40582c
4500aa6e0000001e662156aa51001e30
46f33300aa6e0000001e000000fc004d
6f6e69746f720a2020202020000000fd
00184c1e511e000000000000000001b8
020330c24d010304050790121314169f
2022260907070700008301000072030c
001000b84420c0840102030401410000
8c0ad08a20e02d10103e9600c48e2100
00188c0ad090204031200c405500c48e
21000018011d00bc52d01e20b8285540
c48e2100001e011d80d0721c1620102c
2580c48e2100009e0000000000000010
Broadcast RGB: Full
supported: Automatic, Full, Limited 16:235
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGBr
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 32
supported: 32
non-desktop: 0
range: (0, 1)
1920x1080 (0x47) 148.500MHz +HSync +VSync *current +preferred
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1084 end 1089 total 1125 clock 60.00Hz
4096x2160 (0x48) 297.000MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
4096x2160 (0x49) 296.703MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
3840x2160 (0x4a) 297.000MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.50KHz
v: height 2160 start 2168 end 2178 total 2250 clock 30.00Hz
3840x2160 (0x4b) 297.000MHz +HSync +VSync
h: width 3840 start 4896 end 4984 total 5280 skew 0 clock 56.25KHz
v: height 2160 start 2168 end 2178 total 2250 clock 25.00Hz
3840x2160 (0x4c) 297.000MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
3840x2160 (0x4d) 296.703MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.43KHz
v: height 2160 start 2168 end 2178 total 2250 clock 29.97Hz
3840x2160 (0x4e) 296.703MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
1920x1080 (0x4f) 148.500MHz +HSync +VSync
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.25KHz
v: height 1080 start 1084 end 1089 total 1125 clock 50.00Hz
1920x1080 (0x50) 148.352MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.43KHz
v: height 1080 start 1084 end 1089 total 1125 clock 59.94Hz
1920x1080i (0x51) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1094 total 1125 clock 60.00Hz
1920x1080i (0x52) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.12KHz
v: height 1080 start 1084 end 1094 total 1125 clock 50.00Hz
1920x1080 (0x53) 74.250MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1089 total 1125 clock 30.00Hz
1920x1080 (0x54) 74.250MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 27.00KHz
v: height 1080 start 1084 end 1089 total 1125 clock 24.00Hz
1920x1080i (0x55) 74.176MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1094 total 1125 clock 59.94Hz
1920x1080 (0x56) 74.176MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1089 total 1125 clock 29.97Hz
1920x1080 (0x57) 74.176MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 26.97KHz
v: height 1080 start 1084 end 1089 total 1125 clock 23.98Hz
1680x1050 (0x58) 119.000MHz +HSync -VSync
h: width 1680 start 1728 end 1760 total 1840 skew 0 clock 64.67KHz
v: height 1050 start 1053 end 1059 total 1080 clock 59.88Hz
1400x1050 (0x59) 101.000MHz +HSync -VSync
h: width 1400 start 1448 end 1480 total 1560 skew 0 clock 64.74KHz
v: height 1050 start 1053 end 1057 total 1080 clock 59.95Hz
1600x900 (0x5a) 108.000MHz +HSync +VSync
h: width 1600 start 1624 end 1704 total 1800 skew 0 clock 60.00KHz
v: height 900 start 901 end 904 total 1000 clock 60.00Hz
1280x1024 (0x5b) 135.000MHz +HSync +VSync
h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 79.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 75.02Hz
1280x1024 (0x5c) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x960 (0x5d) 108.000MHz +HSync +VSync
h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.00KHz
v: height 960 start 961 end 964 total 1000 clock 60.00Hz
1280x800 (0x5e) 71.000MHz +HSync -VSync
h: width 1280 start 1328 end 1360 total 1440 skew 0 clock 49.31KHz
v: height 800 start 803 end 809 total 823 clock 59.91Hz
1152x864 (0x5f) 108.000MHz +HSync +VSync
h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.50KHz
v: height 864 start 865 end 868 total 900 clock 75.00Hz
1280x720 (0x60) 74.250MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.00KHz
v: height 720 start 725 end 730 total 750 clock 60.00Hz
1280x720 (0x61) 74.250MHz +HSync +VSync
h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.50KHz
v: height 720 start 725 end 730 total 750 clock 50.00Hz
1280x720 (0x62) 74.176MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 44.96KHz
v: height 720 start 725 end 730 total 750 clock 59.94Hz
1024x768 (0x63) 78.750MHz +HSync +VSync
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.02KHz
v: height 768 start 769 end 772 total 800 clock 75.03Hz
1024x768 (0x64) 75.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.48KHz
v: height 768 start 771 end 777 total 806 clock 70.07Hz
1024x768 (0x65) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
832x624 (0x66) 57.284MHz -HSync -VSync
h: width 832 start 864 end 928 total 1152 skew 0 clock 49.73KHz
v: height 624 start 625 end 628 total 667 clock 74.55Hz
800x600 (0x67) 50.000MHz +HSync +VSync
h: width 800 start 856 end 976 total 1040 skew 0 clock 48.08KHz
v: height 600 start 637 end 643 total 666 clock 72.19Hz
800x600 (0x68) 49.500MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.88KHz
v: height 600 start 601 end 604 total 625 clock 75.00Hz
800x600 (0x69) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
800x600 (0x6a) 36.000MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.16KHz
v: height 600 start 601 end 603 total 625 clock 56.25Hz
720x576 (0x6b) 27.000MHz -HSync -VSync
h: width 720 start 732 end 796 total 864 skew 0 clock 31.25KHz
v: height 576 start 581 end 586 total 625 clock 50.00Hz
720x576i (0x6c) 13.500MHz -HSync -VSync Interlace
h: width 720 start 732 end 795 total 864 skew 0 clock 15.62KHz
v: height 576 start 580 end 586 total 625 clock 50.00Hz
720x480 (0x6d) 27.027MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.50KHz
v: height 480 start 489 end 495 total 525 clock 60.00Hz
720x480 (0x6e) 27.000MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.47KHz
v: height 480 start 489 end 495 total 525 clock 59.94Hz
720x480i (0x6f) 13.514MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.75KHz
v: height 480 start 488 end 494 total 525 clock 60.00Hz
720x480i (0x70) 13.500MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.73KHz
v: height 480 start 488 end 494 total 525 clock 59.94Hz
640x480 (0x71) 31.500MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.50KHz
v: height 480 start 481 end 484 total 500 clock 75.00Hz
640x480 (0x72) 31.500MHz -HSync -VSync
h: width 640 start 664 end 704 total 832 skew 0 clock 37.86KHz
v: height 480 start 489 end 492 total 520 clock 72.81Hz
640x480 (0x73) 30.240MHz -HSync -VSync
h: width 640 start 704 end 768 total 864 skew 0 clock 35.00KHz
v: height 480 start 483 end 486 total 525 clock 66.67Hz
640x480 (0x74) 25.200MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.50KHz
v: height 480 start 490 end 492 total 525 clock 60.00Hz
640x480 (0x75) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
720x400 (0x76) 28.320MHz -HSync +VSync
h: width 720 start 738 end 846 total 900 skew 0 clock 31.47KHz
v: height 400 start 412 end 414 total 449 clock 70.08Hz
HDMI-2 disconnected (normal left inverted right x axis y axis)
Identifier: 0x45
Timestamp: 440582
Subpixel: unknown
Clones:
CRTCs: 4
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
Broadcast RGB: Automatic
supported: Automatic, Full, Limited 16:235
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGBr
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 41
supported: 41
root@raspberrypi4-64:~# chromium --no-sandbox /test.htm &
[1] 1071

--
after enlarging it with fingerd:

xrandr --verbose
Screen 0: minimum 320 x 200, current 1920 x 1080, maximum 7680 x 7680
HDMI-1 connected primary 1920x1080+0+0 (0x47) normal (normal left inverted right x axis y axis) 170mm x 110mm
Identifier: 0x44
Timestamp: 440582
Subpixel: unknown
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff003190502102000000
2d1c010380301b788a2895a7554ea326
0f5054bfef8081c090407140b3008180
a9c081008140023a801871382d40582c
4500aa6e0000001e662156aa51001e30
46f33300aa6e0000001e000000fc004d
6f6e69746f720a2020202020000000fd
00184c1e511e000000000000000001b8
020330c24d010304050790121314169f
2022260907070700008301000072030c
001000b84420c0840102030401410000
8c0ad08a20e02d10103e9600c48e2100
00188c0ad090204031200c405500c48e
21000018011d00bc52d01e20b8285540
c48e2100001e011d80d0721c1620102c
2580c48e2100009e0000000000000010
Broadcast RGB: Full
supported: Automatic, Full, Limited 16:235
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGBr
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 32
supported: 32
non-desktop: 0
range: (0, 1)
1920x1080 (0x47) 148.500MHz +HSync +VSync *current +preferred
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.50KHz
v: height 1080 start 1084 end 1089 total 1125 clock 60.00Hz
4096x2160 (0x48) 297.000MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
4096x2160 (0x49) 296.703MHz +HSync +VSync
h: width 4096 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
3840x2160 (0x4a) 297.000MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.50KHz
v: height 2160 start 2168 end 2178 total 2250 clock 30.00Hz
3840x2160 (0x4b) 297.000MHz +HSync +VSync
h: width 3840 start 4896 end 4984 total 5280 skew 0 clock 56.25KHz
v: height 2160 start 2168 end 2178 total 2250 clock 25.00Hz
3840x2160 (0x4c) 297.000MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 54.00KHz
v: height 2160 start 2168 end 2178 total 2250 clock 24.00Hz
3840x2160 (0x4d) 296.703MHz +HSync +VSync
h: width 3840 start 4016 end 4104 total 4400 skew 0 clock 67.43KHz
v: height 2160 start 2168 end 2178 total 2250 clock 29.97Hz
3840x2160 (0x4e) 296.703MHz +HSync +VSync
h: width 3840 start 5116 end 5204 total 5500 skew 0 clock 53.95KHz
v: height 2160 start 2168 end 2178 total 2250 clock 23.98Hz
1920x1080 (0x4f) 148.500MHz +HSync +VSync
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 56.25KHz
v: height 1080 start 1084 end 1089 total 1125 clock 50.00Hz
1920x1080 (0x50) 148.352MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 67.43KHz
v: height 1080 start 1084 end 1089 total 1125 clock 59.94Hz
1920x1080i (0x51) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1094 total 1125 clock 60.00Hz
1920x1080i (0x52) 74.250MHz +HSync +VSync Interlace
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.12KHz
v: height 1080 start 1084 end 1094 total 1125 clock 50.00Hz
1920x1080 (0x53) 74.250MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.75KHz
v: height 1080 start 1084 end 1089 total 1125 clock 30.00Hz
1920x1080 (0x54) 74.250MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 27.00KHz
v: height 1080 start 1084 end 1089 total 1125 clock 24.00Hz
1920x1080i (0x55) 74.176MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1094 total 1125 clock 59.94Hz
1920x1080 (0x56) 74.176MHz +HSync +VSync
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.72KHz
v: height 1080 start 1084 end 1089 total 1125 clock 29.97Hz
1920x1080 (0x57) 74.176MHz +HSync +VSync
h: width 1920 start 2558 end 2602 total 2750 skew 0 clock 26.97KHz
v: height 1080 start 1084 end 1089 total 1125 clock 23.98Hz
1680x1050 (0x58) 119.000MHz +HSync -VSync
h: width 1680 start 1728 end 1760 total 1840 skew 0 clock 64.67KHz
v: height 1050 start 1053 end 1059 total 1080 clock 59.88Hz
1400x1050 (0x59) 101.000MHz +HSync -VSync
h: width 1400 start 1448 end 1480 total 1560 skew 0 clock 64.74KHz
v: height 1050 start 1053 end 1057 total 1080 clock 59.95Hz
1600x900 (0x5a) 108.000MHz +HSync +VSync
h: width 1600 start 1624 end 1704 total 1800 skew 0 clock 60.00KHz
v: height 900 start 901 end 904 total 1000 clock 60.00Hz
1280x1024 (0x5b) 135.000MHz +HSync +VSync
h: width 1280 start 1296 end 1440 total 1688 skew 0 clock 79.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 75.02Hz
1280x1024 (0x5c) 108.000MHz +HSync +VSync
h: width 1280 start 1328 end 1440 total 1688 skew 0 clock 63.98KHz
v: height 1024 start 1025 end 1028 total 1066 clock 60.02Hz
1280x960 (0x5d) 108.000MHz +HSync +VSync
h: width 1280 start 1376 end 1488 total 1800 skew 0 clock 60.00KHz
v: height 960 start 961 end 964 total 1000 clock 60.00Hz
1280x800 (0x5e) 71.000MHz +HSync -VSync
h: width 1280 start 1328 end 1360 total 1440 skew 0 clock 49.31KHz
v: height 800 start 803 end 809 total 823 clock 59.91Hz
1152x864 (0x5f) 108.000MHz +HSync +VSync
h: width 1152 start 1216 end 1344 total 1600 skew 0 clock 67.50KHz
v: height 864 start 865 end 868 total 900 clock 75.00Hz
1280x720 (0x60) 74.250MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.00KHz
v: height 720 start 725 end 730 total 750 clock 60.00Hz
1280x720 (0x61) 74.250MHz +HSync +VSync
h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.50KHz
v: height 720 start 725 end 730 total 750 clock 50.00Hz
1280x720 (0x62) 74.176MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 44.96KHz
v: height 720 start 725 end 730 total 750 clock 59.94Hz
1024x768 (0x63) 78.750MHz +HSync +VSync
h: width 1024 start 1040 end 1136 total 1312 skew 0 clock 60.02KHz
v: height 768 start 769 end 772 total 800 clock 75.03Hz
1024x768 (0x64) 75.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1328 skew 0 clock 56.48KHz
v: height 768 start 771 end 777 total 806 clock 70.07Hz
1024x768 (0x65) 65.000MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.36KHz
v: height 768 start 771 end 777 total 806 clock 60.00Hz
832x624 (0x66) 57.284MHz -HSync -VSync
h: width 832 start 864 end 928 total 1152 skew 0 clock 49.73KHz
v: height 624 start 625 end 628 total 667 clock 74.55Hz
800x600 (0x67) 50.000MHz +HSync +VSync
h: width 800 start 856 end 976 total 1040 skew 0 clock 48.08KHz
v: height 600 start 637 end 643 total 666 clock 72.19Hz
800x600 (0x68) 49.500MHz +HSync +VSync
h: width 800 start 816 end 896 total 1056 skew 0 clock 46.88KHz
v: height 600 start 601 end 604 total 625 clock 75.00Hz
800x600 (0x69) 40.000MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.88KHz
v: height 600 start 601 end 605 total 628 clock 60.32Hz
800x600 (0x6a) 36.000MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.16KHz
v: height 600 start 601 end 603 total 625 clock 56.25Hz
720x576 (0x6b) 27.000MHz -HSync -VSync
h: width 720 start 732 end 796 total 864 skew 0 clock 31.25KHz
v: height 576 start 581 end 586 total 625 clock 50.00Hz
720x576i (0x6c) 13.500MHz -HSync -VSync Interlace
h: width 720 start 732 end 795 total 864 skew 0 clock 15.62KHz
v: height 576 start 580 end 586 total 625 clock 50.00Hz
720x480 (0x6d) 27.027MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.50KHz
v: height 480 start 489 end 495 total 525 clock 60.00Hz
720x480 (0x6e) 27.000MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.47KHz
v: height 480 start 489 end 495 total 525 clock 59.94Hz
720x480i (0x6f) 13.514MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.75KHz
v: height 480 start 488 end 494 total 525 clock 60.00Hz
720x480i (0x70) 13.500MHz -HSync -VSync Interlace
h: width 720 start 739 end 801 total 858 skew 0 clock 15.73KHz
v: height 480 start 488 end 494 total 525 clock 59.94Hz
640x480 (0x71) 31.500MHz -HSync -VSync
h: width 640 start 656 end 720 total 840 skew 0 clock 37.50KHz
v: height 480 start 481 end 484 total 500 clock 75.00Hz
640x480 (0x72) 31.500MHz -HSync -VSync
h: width 640 start 664 end 704 total 832 skew 0 clock 37.86KHz
v: height 480 start 489 end 492 total 520 clock 72.81Hz
640x480 (0x73) 30.240MHz -HSync -VSync
h: width 640 start 704 end 768 total 864 skew 0 clock 35.00KHz
v: height 480 start 483 end 486 total 525 clock 66.67Hz
640x480 (0x74) 25.200MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.50KHz
v: height 480 start 490 end 492 total 525 clock 60.00Hz
640x480 (0x75) 25.175MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.47KHz
v: height 480 start 490 end 492 total 525 clock 59.94Hz
720x400 (0x76) 28.320MHz -HSync +VSync
h: width 720 start 738 end 846 total 900 skew 0 clock 31.47KHz
v: height 400 start 412 end 414 total 449 clock 70.08Hz
HDMI-2 disconnected (normal left inverted right x axis y axis)
Identifier: 0x45
Timestamp: 440582
Subpixel: unknown
Clones:
CRTCs: 4
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
Broadcast RGB: Automatic
supported: Automatic, Full, Limited 16:235
max bpc: 8
range: (8, 12)
bottom margin: 0
range: (0, 100)
top margin: 0
range: (0, 100)
right margin: 0
range: (0, 100)
left margin: 0
range: (0, 100)
Colorspace: Default
supported: Default, SMPTE_170M_YCC, BT709_YCC, XVYCC_601, XVYCC_709, SYCC_601, opYCC_601, opRGB, BT2020_CYCC, BT2020_RGB, BT2020_YCC, DCI-P3_RGB_D65, DCI-P3_RGBr
link-status: Good
supported: Good, Bad
CONNECTOR_ID: 41
supported: 41
non-desktop: 0
range: (0, 1)

@gitgonewithwind
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Hi @6by9 I tried kernel 5.10 and I enlarge the webpage with fingers on the touchscreen. it's clear.
but for our app ,we can not show so huge size infos . so we can not void the issue with it

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