https://bugs.freedesktop.org/show_bug.cgi?id=31122
--- Comment #11 from A. Chaud <[email protected]> ---
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.
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