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From: "Carlos R. Mafra" <crmafra2-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: 2.6.38-rc3-git1: Reported regressions 2.6.36 -> 2.6.37
Date: Fri, 4 Feb 2011 08:05:46 +0100
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To: Linus Torvalds <torvalds-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>
Cc: Keith Packard <keithp-aN4HjG94KOLQT0dZR+AlfA@public.gmane.org>, Dave Airlie <airlied-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Dave Airlie <airlied-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>, "Rafael J. Wysocki" <rjw-KKrjLPT3xs0@public.gmane.org>, Takashi Iwai <tiwai-l3A5Bk7waGM@public.gmane.org>, Linux Kernel Mailing List <linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Maciej Rutecki <maciej.rutecki-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, Florian Mickler <florian-sVu6HhrpSfRAfugRpC6u6w@public.gmane.org>, Andrew Morton <akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org>, Kernel Testers List <kernel-testers-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Network Development <netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Linux ACPI <linux-acpi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Linux PM List <linux-pm-cunTk1MwBs9QetFLy7KEm3xJsTq8ys+cHZ5vskTnxNA@public.gmane.org>, Linux SCSI List <linux-scsi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, Linux Wireless List <linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>, DRI <dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org>

On Thu  3.Feb'11 at 17:11:14 -0800, Linus Torvalds wrote:
> On Thu, Feb 3, 2011 at 5:05 PM, Keith Packard <keithp-aN4HjG94KOLQT0dZR+AlfA@public.gmane.org> wrote:
> >
> > The goal is to make it so that when you *do* set a mode, DPMS gets set
> > to ON (as the monitor will actually be "on" at that point). Here's a
> > patch which does the DPMS_ON precisely when setting a mode.
> 
> Ok, patch looks sane, but it does leave me with the "what about the
> 'fb_changed' case?" question. Is that case basically guaranteed to not
> change any existing dpms state?
> 
> > (note, this patch compiles, but is otherwise only lightly tested).
> 
> Carlos? Takashi? Ignore my crazy patch, try this one instead. Does it
> fix things for you?

Yes! (tested on top of 2.6.38-rc3+).

Thanks to everyone involved!