Packard Bell EasyNote LV need i915.invert_brightness=1

Commit Message

Petter Reinholdtsen June 11, 2013, 8:28 a.m. UTC

[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:



> 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. :)

Comments

Daniel Vetter June 11, 2013, 2:08 p.m. UTC | #1

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 <[e-mail]> 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
> [e-mail]
> http://lists.freedesktop.org/mailman/listinfo/dri-devel

Patch

--- 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)