<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#c155">Comment # 155</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#c153">comment #153</a>) > Created <a href="attachment.cgi?id=144615" name="attach_144615" title="d330 efifb pin dump">attachment 144615</a> <a href="attachment.cgi?id=144615&action=edit" title="d330 efifb pin dump">[details]</a> > d330 efifb pin dump > > Hello Stanislav. So I found out about efifb and tried it with nomodeset and > the screen works nicely, albeit with i915 essentially disabled and no > backlight control. I thought the unadulterated GPIO states set by the EFI > could be useful so I attached the pinctrl dumps. Does suspend/resume work then? Currently, unfortunately I have another stuff which has more priority, so I had to stop investigating for some while, however it is very nice that you continue your research.</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>