<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [HSW ULT] eDP backlight regression at 1920x1080" href="https://bugs.freedesktop.org/show_bug.cgi?id=68355#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_NEEDINFO " title="NEEDINFO --- - [HSW ULT] eDP backlight regression at 1920x1080" href="https://bugs.freedesktop.org/show_bug.cgi?id=68355">bug 68355</a> from <a class="email" href="mailto:enabfluw@gmail.com" title="Trevor Bortins <enabfluw@gmail.com>"> Trevor Bortins</a> <pre>Here's the results of the bisect: c04c697cf1fe8f0962ccd3c2392a9b637a5307aa is the first bad commit commit c04c697cf1fe8f0962ccd3c2392a9b637a5307aa Author: Matthew Garrett <<a href="mailto:matthew.garrett@nebula.com">matthew.garrett@nebula.com</a>> Date: Tue Jul 16 17:08:16 2013 +0000 ACPI / video: Always call acpi_video_init_brightness() on init We have to call acpi_video_init_brightness() even if we're not going to initialise the backlight - Thinkpads seem to use this as the trigger for enabling ACPI notifications rather than handling it in firmware. [rjw: Drop the brightness object created by acpi_video_init_brightness() if we are not going to use it.] Signed-off-by: Matthew Garrett <<a href="mailto:matthew.garrett@nebula.com">matthew.garrett@nebula.com</a>> Signed-off-by: Rafael J. Wysocki <<a href="mailto:rafael.j.wysocki@intel.com">rafael.j.wysocki@intel.com</a>> :040000 040000 cd4ce0b293e303c610af578ffd39c1b63decac3a c16757184ad041a368b13952e00e05998f3298fc M drivers</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>