linux-kernel - Re: [regression] Re: Linux 4.3-rc1

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Message-ID: <CA+icZUU6idi=2emYaiX+R2U6fPOmxH5BmLF-FCCcc6RhuktXPg@mail.gmail.com>
Date:	Wed, 23 Sep 2015 22:48:50 +0200
From:	Sedat Dilek <sedat.dilek@...il.com>
To:	Shuah Khan <shuahkh@....samsung.com>
Cc:	intel-gfx <intel-gfx@...ts.freedesktop.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Chris Wilson <chris@...is-wilson.co.uk>,
	Jairo Miramontes <jairo.daniel.miramontes.caton@...el.com>
Subject: Re: [regression] Re: Linux 4.3-rc1

On Wed, Sep 23, 2015 at 3:31 PM, Shuah Khan <shuahkh@....samsung.com> wrote:
> On 09/23/2015 02:56 AM, Daniel Vetter wrote:
>> Another regression for Jairo to track.
>> -Daniel
>
> Saw the same problem in 4.3-rc2 as well. Not a one time
> deal and easily reproducible.
>

Looks like the patch "drm/i915: Add primary plane to mask if it's
visible" is the correct fix.
Did not try it.

- sed@ -

[1] http://cgit.freedesktop.org/drm-intel/commit/?h=drm-intel-fixes&id=721a09f7393de6c28a07516dccd654c6e995944a

> thanks,
> -- Shuah
>>
>> On Tue, Sep 15, 2015 at 03:26:13AM +0200, Sedat Dilek wrote:
>>> Hi,
>>>
>>> I have reported the same issue in [0]...
>>>
>>> You write in [1]...
>>>
>>> ------------[ cut here ]------------
>>> WARNING: CPU: 3 PID: 24 at drivers/gpu/drm/i915/intel_display.c:1377
>>> assert_planes_disabled+0xe4/0x150 [i915]()
>>> plane A assertion failure, should be disabled but not
>>> ...
>>>
>>> I can confirm this was not seen in v4.2 here on Ubuntu/precise AMD64.
>>>
>>> Regards,
>>> - Sedat -
>>>
>>> [0] http://marc.info/?t=144176663400002&r=1&w=2
>>> [1] http://marc.info/?l=linux-kernel&m=144227950327112&w=2
>>
>
>
> --
> Shuah Khan
> Sr. Linux Kernel Developer
> Open Source Innovation Group
> Samsung Research America (Silicon Valley)
> shuahkh@....samsung.com | (970) 217-8978
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