<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [DP] i915:No display with Display port [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up" href="https://bugs.freedesktop.org/show_bug.cgi?id=90963#c72">Comment # 72</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [DP] i915:No display with Display port [drm:intel_dp_start_link_train] *ERROR* too many full retries, give up" href="https://bugs.freedesktop.org/show_bug.cgi?id=90963">bug 90963</a> from <a class="email" href="mailto:dhinakaran.pandiyan@intel.com" title="Dhinakaran Pandiyan <dhinakaran.pandiyan@intel.com>"> Dhinakaran Pandiyan</a> <pre>(In reply to sassmann from <a href="show_bug.cgi?id=90963#c65">comment #65</a>) > My setup is the following: > Lenovo w541 docked in ThinkPad Dock with lid close (permanently). > U3415W display connected via DP as the only display. > > Following is the current behaviour with latest drp-tip 4.12-rc4. > - Display turns on during BIOS init (grub is fine) > - When booting the kernel a modeswitch happens, this seems to be fine now as > well. Display comes back to display boot messages in a different resolution. > - Another switch happens when gdm is starting. This time the display goes > into standby mode. Then I can switch to VT2 and display comes back to life > showing the login prompt. If I then switch back to VT1 where gdm is running, > magically the gdm login screen shows up and I can login. > - However then locking the screen causes the display to go back into standby > and there's probably a 50% chance of the display never to wake up again. At > this point switching to VT2 also no longer brings the display back. > > Attaching another dmesg from exactly that scenario. Can you please try the patch -"Update connector status and keep aux powered up" I've attached?</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 QA Contact for the bug.</li> </ul> </body> </html>