stable: 2124b72e6283c4e84a55e71077fee91793f4c801 need backport

[Kamal Mostafa]

On Wed, 2013-10-16 at 14:15 +0800, Shuduo Sang wrote:
> On Wed, Oct 16, 2013 at 2:27 AM, Greg KH <gregkh at linuxfoundation.org> wrote:
> > On Tue, Oct 15, 2013 at 07:24:38PM +0800, Shuduo Sang wrote:
> >> This commit be merged into v3.9-rc5. Without this patch, the
> >> DisplayPort menu entry will not show up in sound setting when plug
> >> cable or not automatically disappear when unplug.
> >
> > Ok, but what stable tree do you want this patch applied to?
> >
> 
> I hope at least 3.8 stable tree would like to backport this patch
> since the patch be merged into v3.9-rc5 and v3.8 is used widely. Loop
> kernel-team at lists.ubuntu.com.
> 

Hi Shuduo-

Yes, I could backport and apply 2124b72 "drm/i915: don't disable the
power well yet" to 3.8-stable, but that commit says:

    This fixes problems caused by the following commit:
      commit d6dd9eb1d96d2b7345fe4664066c2b7ed86da898
      Author: Daniel Vetter <daniel.vetter at ffwll.ch>
      Date:   Tue Jan 29 16:35:20 2013 -0200
           drm/i915: dynamic Haswell display power well support

But 3.8-stable doesn't include d6dd9eb.   Is 2124b72 actually necessary
in 3.8?  (Or at least, would it actually be useful?)

Thanks,

 -Kamal

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