linux-kernel - Re: [ 67/89] drm/radeon: properly track the crtc not_enabled case evergreen_mc

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Date:	Mon, 3 Dec 2012 18:26:22 -0500
From:	Josh Boyer <jwboyer@...il.com>
To:	"Deucher, Alexander" <Alexander.Deucher@....com>
Cc:	Ben Hutchings <ben@...adent.org.uk>,
	Greg KH <gregkh@...uxfoundation.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"stable@...r.kernel.org" <stable@...r.kernel.org>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"alan@...rguk.ukuu.org.uk" <alan@...rguk.ukuu.org.uk>
Subject: Re: [ 67/89] drm/radeon: properly track the crtc not_enabled case evergreen_mc_stop()

On Mon, Dec 3, 2012 at 10:35 AM, Deucher, Alexander
<Alexander.Deucher@....com> wrote:
>> -----Original Message-----
>> From: Josh Boyer [mailto:jwboyer@...il.com]
>> Sent: Monday, December 03, 2012 10:25 AM
>> To: Ben Hutchings; Greg KH
>> Cc: linux-kernel@...r.kernel.org; stable@...r.kernel.org; akpm@...ux-
>> foundation.org; alan@...rguk.ukuu.org.uk; Deucher, Alexander
>> Subject: Re: [ 67/89] drm/radeon: properly track the crtc not_enabled case
>> evergreen_mc_stop()
>>
>> On Mon, Dec 3, 2012 at 9:32 AM, Ben Hutchings <ben@...adent.org.uk>
>> wrote:
>> > 3.2-stable review patch.  If anyone has any objections, please let me know.
>> >
>> > ------------------
>> >
>> > From: Alex Deucher <alexander.deucher@....com>
>> >
>> > commit 804cc4a0ad3a896ca295f771a28c6eb36ced7903 upstream.
>> >
>> > The save struct is not initialized previously so explicitly
>> > mark the crtcs as not used when they are not in use.
>> >
>> > Signed-off-by: Alex Deucher <alexander.deucher@....com>
>> > Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
>>
>> Hm.  If this is needed in 3.2, presumably it's needed in 3.6 as well.  I
>> don't see it queued for 3.6.9, and the Cc: tag is there.
>>
>> Greg, Alex, was this just something that was missed, or am I wrong about
>> it needing to go into 3.6?
>
> The original patches should go into 3.6 kernels as well:
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=4a15903db02026728d0cf2755c6fabae16b8db6a
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=62444b7462a2b98bc78d68736c03a7c4e66ba7e2
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commitdiff;h=804cc4a0ad3a896ca295f771a28c6eb36ced7903
>
> I've been meaning to follow up on it, but I haven't had the time.  Do I need to send explicit patches to stable@...r or can I just ask the above commits be cherrypicked to 3.6?
>

Normally the CC tag works.  Not entirely sure why it didn't for the one
patch I asked about.  The other two commits you've highlighted here are
lacking any sort of stable tag, so you'd have to pipe up here about them.

I went ahead and tried the cherry-pick myself on top of 3.6.9, in the
order you specified above.  The 62444b7462a has a trivial conflict coming
back.  I've attached an mbox with these three patches.  If you want to
give them a glance over and OK them, that would be great.

(Apologies for the attachment.  Gmail is going to mess it up otherwise.)

I have them building locally at the moment on top of 3.6.9 and don't
expect many issues, but I can't personally test the fixes myself.

josh

Download attachment "radeon-evergreen-3.6.9-fixes.mbox" of type "application/octet-stream" (14832 bytes)