Re: Packard Bell EasyNote LV need i915.invert_brightness=1

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Hi Petter,

Can you please make this into a real kernel patch with commit message,
sob line and all? See Documentation/SubmittingPatches. Diff itself
looks good.

Thanks, Daniel


On Tue, Jun 11, 2013 at 10:28 AM, Petter Reinholdtsen <pere@xxxxxxxxxx> wrote:
> [Petter Reinholdtsen 2013-06-03]
>> According to modinfo i915, I should report machines/video cards
>> needing the invert_brightness=1 setting here.  The laptop in question
>> is described on <URL: http://www.linlap.com/packard_bell_easynote_lv >.
>> The screen go black as soon as the i915 kernel module is loaded.  The
>> problem exist in both Debian Wheezy and Ubuntu Raring.
>
> I had a closer look at the problem, and came up with a patch for the
> kernel that should fix this, relative to the Debian source 3.9.5-1:
>
> --- drivers/gpu/drm/i915/intel_display.c.orig   2013-06-11 09:44:27.159941945 +0200
> +++ drivers/gpu/drm/i915/intel_display.c        2013-06-11 09:45:35.495938898 +0200
> @@ -8786,6 +8786,9 @@
>
>         /* Acer Aspire 4736Z */
>         { 0x2a42, 0x1025, 0x0260, quirk_invert_brightness },
> +
> +       /* Packard Bell EasyNote LV11HC */
> +       { 0x0156, 0x1025, 0x0688, quirk_invert_brightness },
>  };
>
>  static void intel_init_quirks(struct drm_device *dev)
>
>
>> PS: Please cc me, as I am not subscribed to the mailing list.
>
> My initial email have not yet shown up on the mailing list archive,
> but I try again and hope this one fare further. :)
>
> --
> Happy hacking
> Petter Reinholdtsen
> _______________________________________________
> dri-devel mailing list
> dri-devel@xxxxxxxxxxxxxxxxxxxxx
> http://lists.freedesktop.org/mailman/listinfo/dri-devel



-- 
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch
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