<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Cannot control backlight intensity on Powerbook" href="https://bugs.freedesktop.org/show_bug.cgi?id=31122#c11">Comment # 11</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Cannot control backlight intensity on Powerbook" href="https://bugs.freedesktop.org/show_bug.cgi?id=31122">bug 31122</a> from <a class="email" href="mailto:nvbugz@sparklabs.me" title="A. Chaud <nvbugz@sparklabs.me>"> A. Chaud</a> <pre>nvagetbios wasn't able to extract the bios. From what I gathered after searching, openfirmware handles vbios differently (ie: no checksums, smaller vbios, etc). I found a nv34 openfirmware bios someone else dumped and nvbios is unable to decode the GPIO section. However, if the aim is ensuring the device has a backlight, I believe it's already done. In nouveau_backlight_init, it first checks to ensure there's a display on either LVDS or eDP. Can we not reasonably assume that if the gpu has a LVDS or eDP panel attached that it also has a backlight? My init function is a slightly altered version of the existing nv40_backlight_init function which doesn't have a backlight check either.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>