Anno domini 2022 Sat, 25 Jun 16:23:33 +0200 Leskala via tde-users scripsit: > Hello everyone, > > I'm running TDE R14.0.12 on Debian 11 (bullseye) using a Raspberry Pi 2B. > > With the Debian 11 (bullseye) release of the Raspberry Pi OS, the RPi offers 2 > display drivers: "vc4-kms-v3d" (full KMS) and "vc4-fkms-v3d" (fake KMS). Till > Debian 10 the fake one was default, now it is the full KMS and the fake KMS > driver is supposed to be no longer actively supported (though it can still be > switched to). > > The new default driver (full KMS) poses new issues with the display handling > of TDE in terms of color (or gamma) management. As soon as TDE's display > management is used, the colors get all weird like the whole screen gets > rainbow-colored with very low color depth. > > Here's a photo I took (it doesn't show up on screenshots): > https://i.imgur.com/DIaIP9m.jpeg > > - using xrandr or TDERandRTray to switch resolutions is fine > - using the Trinity control center's "System Administration" > "Monitor & > Display" > "Enable global display control" will make colors go crazy as shown > in the photo > - moving the "Hardware Gamma Control" sliders in the control center will alter > the shades of rainbow colors but never fixes the general color distortion > - using "xrandr --output HDMI-1 --gamma 1:1:1" will fix colors until reboot > - when global display control is enabled, this is persistent and colors will > go crazy as soon as TDM starts after bootup > > I'd like to keep the new (full KMS) driver since the old fkms one always had > other issues were KMix's audio volumes would scale between -350% and -400% > (yes, negative values) while alsamixer being at 50%, effectively preventing > any working volume control in TDE since sliders start at 0. This is fixed > with the full KMS driver as it handles the audio devices differently. > However, with the new driver I can't make permanent adjustments to screen > resolutions with TDE (only temporary with RandR) as I encounter the color bug > as described above. > > Is there anything I can do about it? Should I file a bug somewhere? Create a file ~/.xinitrc, insert these 2 lines and make it executable: #!/bin/sh xrandr --output HDMI-1 --gamma 1:1:1 Restart TDM, .xinitrc should be executed and set your gamma to usable values. Nik > > > Best regards, > > Leskala > ____________________________________________________ > tde-users mailing list -- users@xxxxxxxxxxxxxxxxxx > To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxx > Web mail archive available at https://mail.trinitydesktop.org/mailman3/hyperkitty/list/users@xxxxxxxxxxxxxxxxxx > -- Please do not email me anything that you are not comfortable also sharing with the NSA, CIA ... ____________________________________________________ tde-users mailing list -- users@xxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxx Web mail archive available at https://mail.trinitydesktop.org/mailman3/hyperkitty/list/users@xxxxxxxxxxxxxxxxxx
