<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - When laptop monitor is turned off it periodically turns on for a fraction of a second" href="https://bugs.freedesktop.org/show_bug.cgi?id=75401#c4">Comment # 4</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - When laptop monitor is turned off it periodically turns on for a fraction of a second" href="https://bugs.freedesktop.org/show_bug.cgi?id=75401">bug 75401</a> from <a class="email" href="mailto:chris@chris-wilson.co.uk" title="Chris Wilson <chris@chris-wilson.co.uk>"> Chris Wilson</a> <pre>(In reply to <a href="show_bug.cgi?id=75401#c3">comment #3</a>) > Yes, you are right. As you can see from dmesg output, your patch completely > prevents the flash and hotplug event. However, I don't understand why it > increases the power consumption when the screen is off. With the patch, we don't fully turn off all power to the screen instead the communication channel is kept alive. The remaining question is who is at fault, our code or the panel? If the panel, we may just quirk your machine to never disable the VDD line as above - otherwise we may have an incorrect sequence somewhere for controlling the panel power.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are on the CC list for the bug.</li> </ul> </body> </html>