<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - Backlight control broken on Dell XPS13 w/ kernel 3.14-rc7" href="https://bugs.freedesktop.org/show_bug.cgi?id=76276#c44">Comment # 44</a> on <a class="bz_bug_link bz_status_RESOLVED bz_closed" title="RESOLVED FIXED - Backlight control broken on Dell XPS13 w/ kernel 3.14-rc7" href="https://bugs.freedesktop.org/show_bug.cgi?id=76276">bug 76276</a> from <a class="email" href="mailto:jani.nikula@intel.com" title="Jani Nikula <jani.nikula@intel.com>"> Jani Nikula</a> <pre>(In reply to <a href="show_bug.cgi?id=76276#c43">comment #43</a>) > I've just checked and kernels not using the mentioned quirk work like a > charm with "Legacy Boot Rom" disabled in BIOS. (XPS13 IVY). This quirk > (QUIRK_NO_PCH_PWM_ENABLE) causes backlight to turn completely off after > kernel start on legacy-feee machines. Do we really have to reapply it in > 3.14? Isn't disabling this option (which is a good thing performance-wise) > engouth? The rule is fixing the earlier regression wins. Please make sure v3.15-rc5 works for you, and file a bug if it doesn't.</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>