[Nouveau] [Bug 47965] I can't modify brightness with nVidia 1000m Quadro

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=47965

Emil Velikov <emil.l.velikov at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           See Also|                            |https://bugs.freedesktop.or
                   |                            |g/show_bug.cgi?id=39550

--- Comment #7 from Emil Velikov <emil.l.velikov at gmail.com> ---
Try using "acpi_backlight=vendor" (as a parameter to your kernel command line).
It will force the nouveau backlight to be used rather than the ACPI one

Note that there is a similar issue with HP Elitebook 8530w (see bug 39550)
Quick search indicates that HP laptops are quite common with those type of
issues

Apart from that can you attach your vbios [1]


[1] http://nouveau.freedesktop.org/wiki/DumpingVideoBios

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