<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [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#c140">Comment # 140</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO - [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:fabio.rifici@microtechsrl.com" title="Microtech <fabio.rifici@microtechsrl.com>"> Microtech</a> <pre>(In reply to Stanislav Lisovskiy from <a href="show_bug.cgi?id=108826#c139">comment #139</a>) > Also I found that restarting the device without i915 driver and then loading > it manually still works, even without those pins. > However if I do suspend even without i915, can't get anything except > backlight afterwards. Also if I disable suspend in BIOS it works fine then. > > To me it looks like there is something either related to acpi management or > panel initialization sequence not mentioned in vbt is missing here. We asked to the panel supplier the exact description of DCS Command. I hope to reply you soon. However, in your opinion which is the solution?</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>