Hi Klaus, On Wed, Jul 05, 2023 at 02:17:34PM +0100, Klaus Ethgen wrote: > Hi, > > Am Mi den 5. Jul 2023 um 12:59 schrieb Bastian Blank: > > On Wed, Jul 05, 2023 at 11:31:06AM +0100, Klaus Ethgen wrote: > > > > But this is what you want, you want to use the full resolution of the > > > > output and scale the output (this is called HiDPI). If you try to > > > > change the resolution to a non-native one, everything gets mushy. > > > No, I don't want the full resolution. It is unreadable. I usually use > > > 1920x1200 which is exactly 1/4 of the resolution so nothing gets mushy. > > > > So you use full resolution and 200% scaling. > > If you see it that way, yes. Just on X level. > > > Anyway, I can't reproduce this using amdgpu on: > > > > | % uname -a > > | Linux steamhammer 6.3.0-2-amd64 #1 SMP PREEMPT_DYNAMIC Debian 6.3.11-1 > > (2023-07-01) x86_64 GNU/Linux > > > > | % lspci -nn | grep VGA > > | 06:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. > > [AMD/ATI] Renoir [1002:1636] (rev c1) > > I see that bug on two systems (both lenovo) but with Rembrandt GPU. > > > | % cat /sys/class/drm/card0-DP-1/modes | head -n 10 > > Well, the display is the eDP, currently I have no other display > connected. > > On the buggy kernel, I have only the native resolution in that sys file > and in the kernel before I see 12 entries.
Can you check if it is the following known regression: https://lore.kernel.org/stable/mn0pr12mb6101c52c4b7fb00702a996ebe2...@mn0pr12mb6101.namprd12.prod.outlook.com/ Regards, Salvatore
