HDMI screen resolution

ibt · Post by **ibt** » Thu Mar 30, 2023 12:50 am

Hi, I'm trying an HDMI screen with my ODROID-M1 on Android. The display has a 1920x1200 resolution but when I plug it in the image gets cut by the sides, when I open the display settings on the odroid settings the only available resolutions are 1920x1080-like resolutions (1920x1080, 1024x768 etc...), there is no 1920x1200 option. Is there a way to "force" this resolution so that the display is used correctly?

Thanks!

codewalker · Post by **codewalker** » Thu Mar 30, 2023 9:03 am

Can you show me your screen capture or image captrued by camera?
You can adjust screen overscan in Odroid Settings.
Display -> Zoom

ibt · Post by **ibt** » Thu Mar 30, 2023 6:22 pm

Thank you for the help, I did some tests yesterday and I found out that using the last Android image (20230328) the screen gets filled properly (no black bars) but the resolution is still 1920x1080, I verified that both in system settings and in odroid settings...

codewalker · Post by **codewalker** » Fri Mar 31, 2023 8:06 am

Do you try to select auto item in Resolution?

ibt · Post by **ibt** » Wed Oct 04, 2023 1:10 am

Hi sorry to bump this thread after so much time but the project got sidelined so I'm picking it back up now, I'm trying a 1280x800 display now, and I get the same problem, the screen gets filled but the resolution is 1280x720 and the image is deformed, do you know if I can somehow add a custom resolution?
Yes, I did try auto and nothing changes unfortunately

codewalker · Post by **codewalker** » Wed Oct 04, 2023 8:10 am

Try custombuilt.
https://wiki.odroid.com/common/hdmi_how ... ustombuilt

ibt wrote: ↑
Wed Oct 04, 2023 1:10 am
Hi sorry to bump this thread after so much time but the project got sidelined so I'm picking it back up now, I'm trying a 1280x800 display now, and I get the same problem, the screen gets filled but the resolution is 1280x720 and the image is deformed, do you know if I can somehow add a custom resolution?
Yes, I did try auto and nothing changes unfortunately

ibt · Post by **ibt** » Fri Oct 06, 2023 7:39 pm

Thanks for the tip, I tried by editing the config.ini adding the code lines in the guide (with modeline modified for my display) but unfortunately nothing changes, is there a way to check if the change in the file did anything?

ibt · Post by **ibt** » Mon Oct 23, 2023 5:10 pm

Hi still didn't manage to make this work, could someone give me a hand? We are stuck with our project because of this issue, is there some other form of ODROID support I could contact?

Post by **odroid** » Mon Oct 23, 2023 5:14 pm

codewalker is an employee of Hardkernel.

Did you try his customized OS image for you?

ibt · Post by **ibt** » Mon Oct 23, 2023 6:10 pm

Hi was there a customized OS image? I understood I was to implement the custombuilt option in the config.ini file, which I tried to do but nothing changed

Post by **odroid** » Mon Oct 23, 2023 6:13 pm

Sorry. It was my misunderstanding.
We will try finding a 1920x1200 monitor to reproduce the issue with M1 Android OS.

ibt · Post by **ibt** » Mon Oct 23, 2023 6:23 pm

OK thank you, if it can be useful for you the issue is the same with every 16:10 resolution: 1280x800, 1920x1200 etc...

codewalker · Post by **codewalker** » Tue Oct 24, 2023 10:45 am

I'm so sorry, I mistook your question is for N2.
Currently, setting 1920x1200 resolution is not possible. It takes a lot of time to make sure it is possible.

codewalker · Post by **codewalker** » Tue Oct 24, 2023 11:41 am

https://wiki.odroid.com/common/hdmi_how ... nitor_info
Show me your the results of 'xrandr --verbose' command for each monitors

ibt · Post by **ibt** » Wed Oct 25, 2023 12:36 am

Hi, thank you for the help, this is the output for our 1280x800 display:

Code: Select all

odroid@gnome-desktop:~/Desktop$ xrandr --verbose
Screen 0: minimum 16 x 16, current 1280 x 800, maximum 32767 x 32767 
XWAYLANDO connected 1280x800+0+0 (0x41) normal (normal left inverted right x axi s y axis) 250mm x 170mm
  Identifier: 0x21
  Timestamp: 948348
  Subpixel:unknown
  Gamma:1.0:1.0:1.0
  Brightness: 0.0
  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:
  non-desktop: 0
    supported: 0, 1
1280x800 (0x41) 83.500MHZ -HSync +VSync *current +preferred 
h: width 1280 start 1352 end 1480 total 1680 skew 0 clock 49.70KHZ
v: height 800 start 803  end 809  total 831         clock 59.81Hz

codewalker · Post by **codewalker** » Wed Oct 25, 2023 11:39 am

Download attached file and push this.

resolution_white.xml: (11.5 KiB) Downloaded 26 times

Code: Select all

$ adb remount
$ adb push resolution_white.xml /system/usr/share/resolution_white.xml

Let me know the resolut.

ibt · Post by **ibt** » Fri Oct 27, 2023 7:02 pm

OK, I pushed the file but nothing happens, is there something I'm supposed to do after flashing?

codewalker · Post by **codewalker** » Mon Oct 30, 2023 8:47 am

Can you share your kernel log?

Are there 1920x1200 and 1280x800 resolutions in /system/usr/share/resolution_white.xml?

Code: Select all

$ adb shell
# busybox vi /system/usr/share/resolution_white.xml

ibt · Post by **ibt** » Mon Oct 30, 2023 10:44 pm

Hi, I attached the log. I found these lines that seem related to the issue:

Code: Select all

08-04 09:00:24.113   238   238 I auditd  : type=1400 audit(0.0:9): avc: denied { read } for comm="android.hardwar" name="resolution_white.xml" dev="dm-5" ino=38 scontext=u:r:hal_graphics_composer_default:s0 tcontext=u:object_r:system_file:s0 tclass=file permissive=1
08-04 09:00:24.113   238   238 I auditd  : type=1400 audit(0.0:10): avc: denied { open } for comm="android.hardwar" path="/system/usr/share/resolution_white.xml" dev="overlay" ino=20653 scontext=u:r:hal_graphics_composer_default:s0 tcontext=u:object_r:system_file:s0 tclass=file permissive=1
08-04 09:00:24.113   238   238 I auditd  : type=1400 audit(0.0:11): avc: denied { getattr } for comm="android.hardwar" path="/system/usr/share/resolution_white.xml" dev="overlay" ino=20653 scontext=u:r:hal_graphics_composer_default:s0 tcontext=u:object_r:system_file:s0 tclass=file permissive=1

Maybe I need to change some permissions?

codewalker · Post by **codewalker** » Tue Oct 31, 2023 9:22 am

I don't think so, it does not effect to apply new resolution.
But I've built new image included new resolutions in resolution_white.xml.
Try to install this.

https://dn.odroid.com/RK3568/ODROID-M1/Android/test/

ibt · Post by **ibt** » Tue Oct 31, 2023 7:47 pm

Hi I just tried the new image and it doesn't seem to work, the 1280x800 and 1920x1200 resolutions are not present in the resolution lists in either settings and odroid settings. I attached the log if it can be of any help.

codewalker · Post by **codewalker** » Wed Nov 01, 2023 10:53 am

Are your monitors working as native resolution 1920x1200 and 1280x800?
I just added 800x480 and 1024x600 in resolutsion_white.xml for supporting VU5/7A+ and VU7+.
Do you share the website of your monitor information or specs ?

ibt · Post by **ibt** » Wed Nov 08, 2023 8:53 pm

Yes, our monitor has a 1280x800 native resolution, the monitor is a custom OEM monitor so it does not have a reference website or other, if it can be useful I can PM you the datasheet of the display provided by the manufacturer

codewalker · Post by **codewalker** » Thu Nov 09, 2023 4:19 pm

Can you send me a sample of that monitor?

ibt · Post by **ibt** » Thu Nov 09, 2023 7:20 pm

Yeah, no problem, let me know how we can arrange that and if you need its documentation

tobetter · Post by **tobetter** » Thu Nov 09, 2023 7:34 pm

ibt wrote: ↑

Wed Oct 25, 2023 12:36 am

Hi, thank you for the help, this is the output for our 1280x800 display:

Code: Select all

odroid@gnome-desktop:~/Desktop$ xrandr --verbose
Screen 0: minimum 16 x 16, current 1280 x 800, maximum 32767 x 32767 
XWAYLANDO connected 1280x800+0+0 (0x41) normal (normal left inverted right x axi s y axis) 250mm x 170mm
  Identifier: 0x21
  Timestamp: 948348
  Subpixel:unknown
  Gamma:1.0:1.0:1.0
  Brightness: 0.0
  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:
  non-desktop: 0
    supported: 0, 1
1280x800 (0x41) 83.500MHZ -HSync +VSync *current +preferred 
h: width 1280 start 1352 end 1480 total 1680 skew 0 clock 49.70KHZ
v: height 800 start 803  end 809  total 831         clock 59.81Hz

Would you be able to dump a file when your display is connected to Ubuntu and can have this information? The file I am asking is under /sys like /sys/devices/platform/display-subsystem/drm and the name of the file what I need is edid, so you can dump it like cat /sys/devices/platform/display-subsystem/drm/.../edid > edid.bin and the size of this file must be 256 or 512 bytes only. Since this is a binary format, you will need to gzip and attach to this thread.

ibt · Post by **ibt** » Thu Nov 09, 2023 9:20 pm

Yes, I think I managed to do that here is the file, let me know if it's correct

tobetter · Post by **tobetter** » Wed Nov 15, 2023 2:38 pm

ibt wrote: ↑
Thu Nov 09, 2023 7:20 pm
Yeah, no problem, let me know how we can arrange that and if you need its documentation

Please check your message box.

aorchid · Post by **aorchid** » Thu Nov 16, 2023 7:30 am

I too am having difficulty with HDMI screen resolution and the latest Android download from the site (have not flashed the install image that you posted above yet).

I am using a Waveshare 13.3inch 2K AMOLED Touch Display, 2560×1440. I cannot change the screen resolution to anything other than 1920x1080p. I do know that it is possible for the M1 to display properly on this screen (in dark mode only), as my Lineage OS installation did find the correct resolution.

The other issue is that when not in dark mode it flashes on screens that have white backgrounds.

Thanks for any pointers.

aorchid · Post by **aorchid** » Thu Nov 16, 2023 8:57 am

Updated to the latest release and I have the same issues, screen resolution is not maximized and flashing of the screen when all white backgrounds appear.

codewalker · Post by **codewalker** » Wed Nov 22, 2023 5:01 pm

Try installing this.

https://dn.odroid.com/RK3568/ODROID-M1/ ... all.img.xz

ibt · Post by **ibt** » Wed Nov 22, 2023 9:25 pm

Hi I just tried the new image and it does work! These are the resolutions that are available in the settings, if it can be of any help:

: PXL_20231122_121934105.jpg (900.28 KiB) Viewed 516 times

Thank you so much for the help, if you need any other info please ask

tobetter · Post by **tobetter** » Wed Nov 22, 2023 9:33 pm

ibt wrote: ↑
Wed Nov 22, 2023 9:25 pm
Hi I just tried the new image and it does work! These are the resolutions that are available in the settings, if it can be of any help:

PXL_20231122_121934105.jpg

Thank you so much for the help, if you need any other info please ask

Congratulations!
I am wondering if you are going to ship a application for your product with the Android image from Hardkernel and managing the update from, or you are going to manage your own Android build. This is required how we will manage the changes for your display. Just let us know your plan, so we can help.

ibt · Post by **ibt** » Thu Nov 23, 2023 12:43 am

Thanks! We planned to use the Hardkernel image for our application. Actually, we are evaluating your new board ODROID M1S, would the ROM for this other board need this kind of modification too?

tobetter · Post by **tobetter** » Thu Nov 23, 2023 7:21 am

ibt wrote: ↑
Thu Nov 23, 2023 12:43 am
Thanks! We planned to use the Hardkernel image for our application. Actually, we are evaluating your new board ODROID M1S, would the ROM for this other board need this kind of modification too?

Yes, once the solution for your display is fixed.

codewalker · Post by **codewalker** » Thu Nov 23, 2023 8:43 am

I've built another selfinstall.img.
https://dn.odroid.com/RK3568/ODROID-M1/ ... 123.img.xz
I wonder if this image also works on your monitor.
Please, test and share the result.

If this image works for your monitor, we just fix elements of 1280x800 in resolution_white.xml.

codewalker · Post by **codewalker** » Fri Nov 24, 2023 12:56 pm

I've uploaded new image for edid testing.

https://dn.odroid.com/RK3568/ODROID-M1/ ... test/edid/

First, check out this image working with your monitor.
Second. If it does not work, try the following.

make edid.bin and move edid folder.

Code: Select all

$ mkdir edid
$ mv edid.bin edid/
$ adb push edid /fat
$ adb shell
# busybox vi /fat/config.ini
###########################
# Apply custom edid
# user_def_args="drm.edid_firmware=HDMI-A-1:edid/edid.bin"

user_def_args="drm.edid_firmware=HDMI-A-1:edid/edid.bin"

If it still doesn't work, modified resolution or add new resolution in resolution_white.xml by referring to the xrandr value.

Code: Select all

$ adb remount
$ adb shell
# busybox vi /system/usr/share/resolution_white.xml

I attached 1280x800.bin that you confirmed.

1280x800.zip: (295 Bytes) Downloaded 4 times

ibt · Post by **ibt** » Tue Nov 28, 2023 1:20 am

Sorry for the late reply but I've been out of office! I've tried both images (1123 and 1124) and they both don't work. Tried the modifications you suggested but still no success, I don't know if I did it right though, what I did was renaming the 1280x800.bin file in your last post to edid.bin and pushing it in the /fat/edid folder, after that I uncommented the line you quoted in the /fat/config.ini, was that right?

codewalker · Post by **codewalker** » Tue Nov 28, 2023 9:36 am

https://dn.odroid.com/RK3568/ODROID-M1/ ... 127.img.xz

I've uploaded new image. Try one more.

Code: Select all

$ adb shell mkdir /fat/edid
$ adb push 1280x800.bin /fat/edid/
$ adb shell
odroidm1:/ # busybox vi /fat/config.ini   

user_def_args="drm.edid_firmware=HDMI-A-1:edid/1280x800.bin"

It must work as 1280x800, because It ends up being the same as selfinstall.img.

ibt · Post by **ibt** » Sat Dec 02, 2023 2:49 am

I just tried but it doesn't work, I fear I'm doing something wrong though I've double checked everything

codewalker · Post by **codewalker** » Mon Dec 04, 2023 11:00 am

This is the firmware when you confirmed that your monitor worked.
https://dn.odroid.com/RK3568/ODROID-M1/ ... test/edid/
Retry this this image, please.

I can make to work properly with https://dn.odroid.com/RK3568/ODROID-M1/ ... 127.img.xz.
Two images work well as 1280x800 for my 4k monitor and these image are same thing that if you edited as my instruction guide.

ibt wrote: ↑
Sat Dec 02, 2023 2:49 am
I just tried but it doesn't work, I fear I'm doing something wrong though I've double checked everything

codewalker · Post by **codewalker** » Mon Dec 04, 2023 11:24 am

Can you show me your config.ini and the result of this command.

Code: Select all

$ adb shell
odroidm1:/ # dmesg | grep edid                                                                                                                                                                                    



[    0.000000] Kernel command line: storagemedia=emmc androidboot.storagemedia=emmc androidboot.mode=normal androidboot.dtb_idx=0 androidboot.slot_suffix= androidboot.boot_devices=fe310000.sdhci androidboot.hardware=odroid loop.max_part=7 buildvariant=eng androidboot.selinux=permissive androidboot.veritymode=enforcing androidboot.verifiedbootstate=orange androidboot.baseband=N/A androidboot.wificountrycode=US console=ttyFIQ0 androidboot.console=ttyFIQ0 pci=nomsi firmware_class.path=/vendor/etc/firmware init=/init rootwait ro mtdparts=sfc_nor:0x20000@0xe0000(env),0x200000@0x100000(uboot),0x100000@0x300000(splash),0xc00000@0x400000(firmware) androidboot.lcd_density=240  vendor.serialno= drm.edid_firmware=HDMI-A-1:edid/1280x800.bin 
[    0.727258] platform HDMI-A-1: Direct firmware load for edid/1280x800.bin failed with error -2
[    0.727539] [drm:drm_load_edid_firmware] *ERROR* Requesting EDID firmware "edid/1280x800.bin" failed (err=-2)
[    5.848942] [drm] Got external EDID base block and 0 extensions from "edid/1280x800.bin" for connector "HDMI-A-1"
[    5.852502] type=1400 audit(1701656203.756:13): avc: denied { open } for comm="android.hardwar" path="/lib/firmware/edid/1280x800.bin" dev="dm-0" ino=31 scontext=u:r:hal_graphics_composer_default:s0 tcontext=u:object_r:rootfs:s0 tclass=file permissive=1
[    5.865912] [drm] Got external EDID base block and 0 extensions from "edid/1280x800.bin" for connector "HDMI-A-1"
[   43.636972] type=1400 audit(1701656241.546:119): avc: denied { open } for comm="HwBinder:299_1" path="/lib/firmware/edid/1280x800.bin" dev="dm-0" ino=31 scontext=u:r:rk_output_hal:s0 tcontext=u:object_r:rootfs:s0 tclass=file permissive=1
[   43.637160] [drm] Got external EDID base block and 0 extensions from "edid/1280x800.bin" for connector "HDMI-A-1"
[   43.639128] [drm] Got external EDID base block and 0 extensions from "edid/1280x800.bin" for connector "HDMI-A-1"
[   43.640569] [drm] Got external EDID base block and 0 extensions from "edid/1280x800.bin" for connector "HDMI-A-1"
[   48.965918] [drm] Got external EDID base block and 0 extensions from "edid/1280x800.bin" for connector "HDMI-A-1"
[   48.969145] type=1400 audit(1701656246.873:144): avc: denied { open } for comm="HwBinder:299_1" path="/lib/firmware/edid/1280x800.bin" dev="dm-0" ino=31 scontext=u:r:rk_output_hal:s0 tcontext=u:object_r:rootfs:s0 tclass=file permissive=1
[   50.024862] type=1400 audit(1701656247.930:149): avc: denied { read } for comm="Binder:446_3" name="edid" dev="sysfs" ino=16847 scontext=u:r:system_server:s0 tcontext=u:object_r:sysfs_hdmi:s0 tclass=file permissive=1
[   50.025041] type=1400 audit(1701656247.930:150): avc: denied { open } for comm="Binder:446_3" path="/sys/devices/platform/display-subsystem/drm/card0/card0-HDMI-A-1/edid" dev="sysfs" ino=16847 scontext=u:r:system_server:s0 tcontext=u:object_r:sysfs_hdmi:s0 tclass=file permissive=1
[   50.025142] type=1400 audit(1701656247.930:151): avc: denied { getattr } for comm="Binder:446_3" path="/sys/devices/platform/display-subsystem/drm/card0/card0-HDMI-A-1/edid" dev="sysfs" ino=16847 scontext=u:r:system_server:s0 tcontext=u:object_r:sysfs_hdmi:s0 tclass=file permissive=1





odroidm1:/ # cat /proc/cmdline                                                                                                                                                                                    
storagemedia=emmc androidboot.storagemedia=emmc androidboot.mode=normal androidboot.dtb_idx=0 androidboot.slot_suffix= androidboot.boot_devices=fe310000.sdhci androidboot.hardware=odroid loop.max_part=7 buildvariant=eng androidboot.selinux=permissive androidboot.veritymode=enforcing androidboot.verifiedbootstate=orange androidboot.baseband=N/A androidboot.wificountrycode=US console=ttyFIQ0 androidboot.console=ttyFIQ0 pci=nomsi firmware_class.path=/vendor/etc/firmware init=/init rootwait ro mtdparts=sfc_nor:0x20000@0xe0000(env),0x200000@0x100000(uboot),0x100000@0x300000(splash),0xc00000@0x400000(firmware) androidboot.lcd_density=240  vendor.serialno= drm.edid_firmware=HDMI-A-1:edid/1280x800.bin 
odroidm1:/ #