<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#c12">Comment # 12</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:imirkin@alum.mit.edu" title="Ilia Mirkin <imirkin@alum.mit.edu>"> Ilia Mirkin</a> <pre>You can get vbios once nouveau is loaded from debugfs. It should correspond 1:1 to the of blob as well. On Aug 5, 2016 11:37, <<a href="mailto:bugzilla-daemon@freedesktop.org">bugzilla-daemon@freedesktop.org</a>> wrote: > *<a href="show_bug.cgi?id=31122#c11">Comment # 11</a> <<a class="bz_bug_link bz_status_NEW " title="NEW - Cannot control backlight intensity on Powerbook" href="show_bug.cgi?id=31122#c11">https://bugs.freedesktop.org/show_bug.cgi?id=31122#c11</a>> on > <a class="bz_bug_link bz_status_NEW " title="NEW - Cannot control backlight intensity on Powerbook" href="show_bug.cgi?id=31122">bug 31122</a> <<a class="bz_bug_link bz_status_NEW " title="NEW - Cannot control backlight intensity on Powerbook" href="show_bug.cgi?id=31122">https://bugs.freedesktop.org/show_bug.cgi?id=31122</a>> from A. > Chaud <<a href="mailto:nvbugz@sparklabs.me">nvbugz@sparklabs.me</a>> * > > 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. > > ------------------------------ > You are receiving this mail because: > > - You are the assignee for the bug. > > > _______________________________________________ > Nouveau mailing list > <a href="mailto:Nouveau@lists.freedesktop.org">Nouveau@lists.freedesktop.org</a> > <a href="https://lists.freedesktop.org/mailman/listinfo/nouveau">https://lists.freedesktop.org/mailman/listinfo/nouveau</a> > ></pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>