Hello to the list. I am trying to use a new old stock G550 PCIe card with an IBM P92 19" monitor for photo retouching. Here is my env: Ubuntu 20.04.1 LTS Xorg 7.7 xserver-xorg-video-mga 2.0.0 Linux kernel 5.4.0-59-lowlatency
I know that acceleration is broken in 2.0.0 for G550 as reported in: https://lists.freedesktop.org/archives/xorg/2018-December/059551.html What about gamma? I have the following error message xrandr: Failed to get size of gamma for output default and I cannot set the gamma levels. This limitation is undocumented in mga man page and repo. I am evaluating to replace the G550 with a G450 since the latter supports acceleration, but I'd like to check whether the gamma works on it. Thanks for reading Raf
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