On Wed, 13 Apr 2022, François Valenduc <francoisvalenduc@xxxxxxxxx> wrote: > Commit 15512021eb3975a8c2366e3883337e252bb0eee5 > (15512021eb3975a8c2366e3883337e252bb0eee5) causes a lof of white spots > to appears on the right upper corner of all console screens (see > https://drive.google.com/file/d/13GabEvOIKSAj5yox6ybAZEDu3Ixncw5Q/view). > git-bisect shows that this is the offending commit and if I revert it, > the problem goes away. The problem still occurs with kernel 5.18-rc2 and > to all stable trees where it was applied. > Can somebody explains what happens ? > > The video card is the following: VGA compatible controller: Intel > Corporation WhiskeyLake-U GT2 [UHD Graphics 620] (rev 02) (prog-if 00 > [VGA controller]) > > Please tell me if you need more info. That's commit 15512021eb39 ("drm/i915: Workaround broken BIOS DBUF configuration on TGL/RKL"), adding Cc's. Please file a report at fdo gitlab [1] and attach dmesg etc. there. Thanks, Jani. [1] https://gitlab.freedesktop.org/drm/intel/wikis/How-to-file-i915-bugs -- Jani Nikula, Intel Open Source Graphics Center
