<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_CLOSED bz_closed" title="CLOSED NOTOURBUG - Split screen/display corruption issue on HP EliteOne 800 G2 23-in Touch AIO" href="https://bugs.freedesktop.org/show_bug.cgi?id=97822#c84">Comment # 84</a> on <a class="bz_bug_link bz_status_CLOSED bz_closed" title="CLOSED NOTOURBUG - Split screen/display corruption issue on HP EliteOne 800 G2 23-in Touch AIO" href="https://bugs.freedesktop.org/show_bug.cgi?id=97822">bug 97822</a> from <a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> Jani Nikula</a> <pre>Now here's something to try, not for the faint of heart! 1) Grab /sys/kernel/debug/dri/0/i915_vbt from the working boot mode (UEFI), place it under /lib/firmware 2) Grab kernel from drm-tip branch of <a href="https://cgit.freedesktop.org/drm-tip">https://cgit.freedesktop.org/drm-tip</a> 3) Apply all patches from <a href="https://patchwork.freedesktop.org/series/20016/">https://patchwork.freedesktop.org/series/20016/</a> on top 4) Boot in the failing boot mode (legacy), make sure it still fails ;) 5) Add module parameter i915.vbt_firmware=i915_vbt, cross fingers, and boot in the legacy mode, see what happens Disclaimer, the last patch hasn't been tested, I don't think it'll eat your kittens, but no warranties either. ;)</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>