Re: drm2 regression: backlight adjustment on ivybridge no longer works

From: Miguel Clara <miguelmclara_at_gmail.com>
Date: Sat, 31 Jan 2015 07:28:17 +0000
I saw the discussion about how to approach the issue, but totally missed
the patch :D

Thanks, I'll try that... I'm assuming it will make no difference on
10/stable yet? only current?


On Sat, Jan 31, 2015 at 7:22 AM, Elizabeth Myers <elizabeth_at_interlinked.me>
wrote:

> On 01/31/15 01:11, Miguel Clara wrote:
> > On the laptop I'm running current, if relevant
> >
> > Loading acpi_video doesn't do much....  I don't see any sysctl related to
> > "lcd0" or "birightness", this is one of those computers with "hybrid"
> > graphics, intel + ATI card, so not sure if that's somewhat related.
> >
> >
> > Anyway, I've just tested the drm patches (both) and intelbacklight (
> > https://github.com/grembo/intel_backlight_fbsd) compiles, installs and
> runs
> > fine!
> >
> > So thanks both for the patches.
>
> You might be interested in my newest patch to add backlight control to
> sysctl. It's probably better for everyone (imo) that backlight control
> is integrated into the driver and accessible via sysctl, so it works the
> same way for everyone.
>
> Look for the subject "Re: Questions on adding backlight support for the
> i915 driver" from me and you'll find the patch. I am curious if it works
> for you.
>
> --
> Cheers,
> Elizabeth
>
Received on Sat Jan 31 2015 - 06:28:38 UTC

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