<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [GLK DSI] Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018" href="https://bugs.freedesktop.org/show_bug.cgi?id=108826#c169">Comment # 169</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [GLK DSI] Black screen after grub - Ubuntu 18.04 - kernel latest tip 21.11.2018" href="https://bugs.freedesktop.org/show_bug.cgi?id=108826">bug 108826</a> from <a class="email" href="mailto:stanislav.lisovskiy@intel.com" title="Stanislav Lisovskiy <stanislav.lisovskiy@intel.com>"> Stanislav Lisovskiy</a> <pre>(In reply to Mark Wynn Garcia from <a href="show_bug.cgi?id=108826#c167">comment #167</a>) > So I tested it and the screen and backlight now works! However I still > encounter some issues: > - Suspend/Resume still doesn't seem to power up the screen properly. Only > the backlight turns on. That might mean you either have somewhat different hardware or kernel source tree... Or we might need to search for some other typo ;) > > But overall the fix makes everything so much better. I guess there's still a > couple of cases we haven't checked, but I'm happy to start with this fix. (In reply to Miroslaw from <a href="show_bug.cgi?id=108826#c168">comment #168</a>) > I made tests > > - screen works during boot kernel and later Ubuntu ! > - Suspend/Resume .. WORKS ! finally > > .. make some more tests tomorrow but seems works finally proper ! > Great job after 6 months ;-D Great to hear that :) I have ended up comparing each and every register write with default values set by BIOS.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> <li>You are on the CC list for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>