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From: Jani Nikula <jani.nikula@linux.intel.com>
To: Paul Bolle <pebolle@tiscali.nl>,
        Linus Torvalds <torvalds@linux-foundation.org>
Cc: Dave Airlie <airlied@linux.ie>, Daniel Vetter <daniel.vetter@intel.com>,
        DRI mailing list <dri-devel@lists.freedesktop.org>,
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Subject: Re: [git pull] drm fixes
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References: <alpine.DEB.2.00.1502270441160.21188@skynet.skynet.ie> <CA+55aFz0sPd2ovVCkbQKap9qcOfNsZ3rbuRhCLahZj18SvzYmQ@mail.gmail.com> <CA+55aFwCf+94-5E+axJNu3GdCTF=1TKDA9D6GfM4SDOvFnN94g@mail.gmail.com> <1425289456.24292.93.camel@x220>
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Date: Mon, 02 Mar 2015 12:26:12 +0200
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On Mon, 02 Mar 2015, Paul Bolle <pebolle@tiscali.nl> wrote:
> On Sat, 2015-02-28 at 22:08 -0800, Linus Torvalds wrote:
>> Hmm. 3.19 works fine, even if it ends up spewing
>> 
>>     WARNING: CPU: 0 PID: 6 at drivers/gpu/drm/drm_irq.c:1121
>> drm_wait_one_vblank+0x125/0x130()
>>     vblank not available on crtc 1, ret=-22
>> 
>> a lot.
>
> For what it's worth, that stream of WARNINGs was reported for v3.19-rc1
> in http://lkml.kernel.org/r/20150131211609.GA3710@yulia-desktop .
>
> Commit f9b61ff6bce9 ("drm/i915: Push vblank enable/disable past
> encoder->enable/disable") silenced it again in v4.0-rc1. I guess that
> commit will end up in v3.19-stable in due time.

Yes; the commit lacked cc: stable, I just requested a backport moments
before your mail [1].

BR,
Jani.


[1] http://mid.gmane.org/874mq3oif5.fsf@intel.com


-- 
Jani Nikula, Intel Open Source Technology Center