<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - [CHV] Backlight init fails on Surface 3 if module load order is wrong" href="https://bugs.freedesktop.org/show_bug.cgi?id=96571#c64">Comment # 64</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - [CHV] Backlight init fails on Surface 3 if module load order is wrong" href="https://bugs.freedesktop.org/show_bug.cgi?id=96571">bug 96571</a> from <a class="email" href="mailto:jwrdegoede@fedoraproject.org" title="Hans de Goede <jwrdegoede@fedoraproject.org>"> Hans de Goede</a> <pre>(In reply to youling257 from <a href="show_bug.cgi?id=96571#c61">comment #61</a>) > [drm:pwm_setup_backlight [i915]] *ERROR* Failed to own the pwm chip > I see this problem happen again with Linux 5.3rc1 kernel on my BayTrail > z3735f device! can't adjust brightness. > > Linux 5.3, what reason? I've just installed 5.3 on a CHT device with LPSS PWM driving the backlight and I'm seeing the same thing. This seems to be a 5.3 regression which is a separate issue from the original issue of this bug. I'll investigate the 5.3 regression further and write a patch fixing it.</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> <li>You are on the CC list for the bug.</li> </ul> </body> </html>