[Intel-gfx] screen is set to maximum brightness on initramfs module load

Pedro Ribeiro pedrib at gmail.com
Tue Feb 2 14:18:34 CET 2010


On 2 February 2010 07:25, Ali Gholami Rudi <aliqrudi at gmail.com> wrote:
> Hi,
>
> Pedro Ribeiro <pedrib at gmail.com> wrote:
>> I have added the i915 module to my initramfs, with lvds_downclock=1
>> and modeset=1.
>>
>> When the module gets loaded during the boot process, the screen is set
>> from the original BIOS brightness to maximum brightness.
>
> I'm facing the same problem.  Any improvements?
>
> I had a look at intel_lvds.c.  I've tried passing something smaller than
> intel_lvds_get_max_backlight() to intel_lvds_set_backlight() in
> intel_lvds_set_power() but that changed the maximum brightness altogether
> (ie. when at maximum brightness according to
> backlight/acpi_video0/max_brightness in sysfs, it was not that bright).
> So I guess *after* i915 is up a call should be made to restore the default
> value.
>
>        Ali
>
>

No it still happens with .33-rc6.

It was so annoying that I decided to get it out of the initramfs.
Booting on a dark room would really hurt my eyes.

Should we file a bug on this?

Regards,
Pedro



More information about the Intel-gfx mailing list