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

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Date:	Fri, 25 Sep 2015 04:41:08 +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 11:37 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
> On Wed, Sep 23, 2015 at 10:48 PM, Sedat Dilek <sedat.dilek@...il.com> wrote:
>> 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
>>
>
> Pulled in d-i-f [1] on top of Linux v4.3-rc2 and the issue is gone.
>

The patch is now in Linus tree.

- Sedat -

[1] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=721a09f7393de6c28a07516dccd654c6e995944a

> - sed@ -
>
> [1] http://cgit.freedesktop.org/drm-intel/log/?h=drm-intel-fixes
>
>>> 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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