https://bugs.freedesktop.org/show_bug.cgi?id=31122
--- Comment #12 from Ilia Mirkin <[email protected]> ---
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, <[email protected]> wrote:
> *Comment # 11 <https://bugs.freedesktop.org/show_bug.cgi?id=31122#c11> on
> bug 31122 <https://bugs.freedesktop.org/show_bug.cgi?id=31122> 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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