<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW --- - [HSW ULT]eDP brightness is zero after the computer start" href="https://bugs.freedesktop.org/show_bug.cgi?id=70791#c10">Comment # 10</a> on <a class="bz_bug_link bz_status_NEW " title="NEW --- - [HSW ULT]eDP brightness is zero after the computer start" href="https://bugs.freedesktop.org/show_bug.cgi?id=70791">bug 70791</a> from <a class="email" href="mailto:aaron.lu@intel.com" title="Aaron Lu <aaron.lu@intel.com>"> Aaron Lu</a> <pre>(In reply to <a href="show_bug.cgi?id=70791#c9">comment #9</a>) > Created <a href="attachment.cgi?id=88330" name="attach_88330" title="dmesg with win8 patch and video.use_native_backlight=1">attachment 88330</a> <a href="attachment.cgi?id=88330&action=edit" title="dmesg with win8 patch and video.use_native_backlight=1">[details]</a> > dmesg with win8 patch and video.use_native_backlight=1 > > I tested the latest kernel on drm-intel-next-queued branch with the patch > applied and video.use_native_backlight=1 set in kernel cmdline. > And there IS the directory acpi_video0 in /sys/class/backlight. Then this system's firmware must not claim win8 support. > > > >For ACPI bugs, it is probably better to fill a new bug in kernel bugzilla. > > Do you mean that you want me to report this bug on bugzilla.kernel.org? Yes please, and please attach acpidump when submitting this bug, thanks. Choose ACPI / Power-Video when submitting.</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> <li>You are the assignee for the bug.</li> </ul> </body> </html>