From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Alex Riesen <raa.lkml@gmail.com>
Cc: DRI mailing list <dri-devel@lists.freedesktop.org>,
Chris Wilson <chris@chris-wilson.co.uk>,
Linus Torvalds <torvalds@linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] fix backlight brightness on intel LVDS panel after reopening lid
Date: Wed, 16 Feb 2011 12:05:18 -0800 [thread overview]
Message-ID: <20110216120518.66dcedff@jbarnes-desktop> (raw)
In-Reply-To: <AANLkTik+t1A1omh6fh6o_U6mnk6Y3=K+OjnozSmr44Hv@mail.gmail.com>
On Wed, 16 Feb 2011 20:59:35 +0100
Alex Riesen <raa.lkml@gmail.com> wrote:
> On Wed, Feb 16, 2011 at 20:54, Jesse Barnes <jbarnes@virtuousgeek.org> wrote:
> > On Wed, 16 Feb 2011 20:46:45 +0100
> > Alex Riesen <raa.lkml@gmail.com> wrote:
> >> > The backlight level on this Dell XPS M1330 reduces every time I reopen
> >> > the lid, and BIOS does not seem to know anything about that (the
> >> > keyboard shortcuts to set backlight brightness cause it to jump to the
> >> > level next to the one set before closing the lid).
> >>
> >> It is this bug, I believe:
> >>
> >> https://bugzilla.kernel.org/show_bug.cgi?id=25072
> >>
> >> I somehow missed it at first, and only noticed after sending the patch.
> >
> > There's also this patch: https://patchwork.kernel.org/patch/499221/.
> > It got things working on my E6510 again at least.
>
> I don't think it is related. I don't have problems switching
> the outputs (frankly, didn't try) and I do have problems
> restoring backlight, very similar to what I had earlier in
> 2.6.37.
Right, but it affects the registration of the backlight and ACPI video
interface as well, so can affect backlight restore on resume. In my
case, without the above patch my backlight wouldn't be restored on
resume, so I'd have to manually echo a value
into /sys/class/backlight/<foo> to get my display back.
--
Jesse Barnes, Intel Open Source Technology Center
next prev parent reply other threads:[~2011-02-16 20:05 UTC|newest]
Thread overview: 65+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-16 4:16 Linux 2.6.38-rc5 Linus Torvalds
2011-02-16 11:14 ` Eric Dumazet
2011-02-16 13:55 ` Eric Dumazet
2011-02-16 15:46 ` Linus Torvalds
2011-02-16 16:06 ` Al Viro
2011-02-16 16:19 ` Al Viro
2011-02-16 16:33 ` Linus Torvalds
2011-02-16 16:39 ` Al Viro
2011-02-16 16:47 ` Eric Dumazet
2011-02-16 16:22 ` Eric Dumazet
2011-02-16 19:26 ` [PATCH] fix backlight brightness on intel LVDS panel after reopening lid Alex Riesen
2011-02-16 19:46 ` Alex Riesen
2011-02-16 19:54 ` Jesse Barnes
2011-02-16 19:59 ` Alex Riesen
2011-02-16 20:05 ` Jesse Barnes [this message]
2011-02-16 20:28 ` Alex Riesen
2011-02-17 1:41 ` [PATCH] drm/i915: Do not handle backlight combination mode specially Indan Zupancic
2011-02-17 1:41 ` Indan Zupancic
2011-02-17 22:13 ` [PATCH] fix backlight brightness on intel LVDS panel after reopening lid Tino Keitel
2011-02-18 4:57 ` Indan Zupancic
2011-02-19 12:11 ` Alex Riesen
2011-02-19 12:26 ` Alex Riesen
2011-02-19 23:07 ` Linus Torvalds
2011-02-19 23:07 ` Linus Torvalds
2011-02-22 21:04 ` Jesse Barnes
2011-02-22 21:04 ` Jesse Barnes
2011-02-22 22:31 ` Tino Keitel
2011-02-23 1:09 ` Linus Torvalds
2011-02-23 1:09 ` Linus Torvalds
2011-03-04 6:53 ` Indan Zupancic
2011-03-04 6:53 ` Indan Zupancic
2011-03-04 18:47 ` Linus Torvalds
2011-03-04 23:32 ` Indan Zupancic
2011-03-04 23:32 ` Indan Zupancic
2011-03-06 17:40 ` Alex Riesen
2011-03-10 5:50 ` Indan Zupancic
2011-03-10 5:50 ` Indan Zupancic
2011-03-10 6:00 ` Indan Zupancic
2011-03-10 6:00 ` Indan Zupancic
2011-03-10 7:49 ` Takashi Iwai
2011-03-10 7:49 ` Takashi Iwai
2011-03-10 8:25 ` Takashi Iwai
2011-03-10 10:06 ` Indan Zupancic
2011-03-10 10:06 ` Indan Zupancic
2011-03-10 12:59 ` Takashi Iwai
2011-03-10 13:02 ` [PATCH] drm/i915: Revive combination mode for backlight control Takashi Iwai
2011-03-10 19:36 ` Keith Packard
2011-03-10 19:36 ` Keith Packard
2011-03-11 1:30 ` Indan Zupancic
2011-03-11 1:23 ` Indan Zupancic
2011-03-11 1:28 ` Linus Torvalds
2011-03-11 1:28 ` Linus Torvalds
2011-03-11 7:26 ` Takashi Iwai
2011-03-11 9:08 ` Indan Zupancic
2011-03-11 9:08 ` Indan Zupancic
2011-03-11 7:34 ` Keith Packard
2011-03-11 7:34 ` Keith Packard
2011-03-10 8:45 ` [PATCH] fix backlight brightness on intel LVDS panel after reopening lid Indan Zupancic
2011-03-10 12:51 ` Takashi Iwai
2011-03-05 0:26 ` Peter Stuge
2011-03-05 0:26 ` Peter Stuge
2011-02-23 1:32 ` Indan Zupancic
2011-02-23 1:32 ` Indan Zupancic
2011-02-18 5:45 ` Tino Keitel
2011-02-20 14:03 ` Linux 2.6.38-rc5 Paul Rolland
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