linux-kernel - Re: [BISECTED] commit 619efb1059 makes the MacBookPro2,2 screen flicker like its broken or half plugged in

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Message-Id: <705ECE04-641E-4C3A-B3D3-B5D512AA98CF@gmail.com>
Date:	Sun, 13 Feb 2011 17:14:35 -0800
From:	Justin Mattock <justinmattock@...il.com>
To:	Alex Deucher <alexdeucher@...il.com>
Cc:	dri-devel@...ts.freedesktop.org,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	airlied@...hat.com
Subject: Re: [BISECTED] commit 619efb1059 makes the MacBookPro2,2 screen flicker like its broken or half plugged in


On Feb 13, 2011, at 3:46 PM, Alex Deucher wrote:

> On Sun, Feb 13, 2011 at 12:28 AM, Justin Mattock
> <justinmattock@...il.com> wrote:
>>
>> On Feb 11, 2011, at 5:15 PM, Alex Deucher wrote:
>>
>>> On Fri, Feb 11, 2011 at 10:57 AM, Justin Mattock
>>> <justinmattock@...il.com> wrote:
>>>>
>>>>>
>>>>> Better yet, can you try the attached patch on top of 2.6.38-rc4 or
>>>>> newer?
>>>>>
>>>>> Alex
>>>>>
>>>>
>>>> o.k. applied that patch... unfortunately Im seeing the flickering  
>>>> screen
>>>> and
>>>> the crud shows up..
>>>> initially during boot everything looked fine, its when I  
>>>> suspended the
>>>> machine, upon wake-up
>>>> the flickering occurred.
>>>> kernel version is the current: 2.6.38-rc4-00107-gaa502b4
>>>
>>> Can you try this patch?  Try uncommenting the following lines to see
>>> if either of those flags work any better.  Try them individually and
>>> together if possible and report back which, if any, helps.
>>>
>>> /*pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;*/
>>>
>>> /*if (ASIC_IS_AVIVO(rdev))
>>>       pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;*/
>>>
>>> Thanks!
>>>
>>> Alex
>>>
>>>>
>>>> Justin P. Mattock
>>>>
>>> <0001-drm-radeon-kms-hopefully-fix-pll-issues-for-real-v2.patch>
>>
>>
>> alright.. again out of my office trying to make a living!!
>> Anyways I applied the two earlier patches, and added the previous  
>> post's
>> patch as well
>> (everything runs o.k. s2r etc...)
>> I can try for the above and see if I can pinpoint the piece of code  
>> that is
>> causing this(hopefully)
>
> The attached patch is what I'm proposing to go upstream.  Please test
> and let me know if it works ok for you.
>
> Alex


alright... bisect done, but something went wrong(must redu later)..  
Anyways with your patch applied
everything looks good

Justin P. Mattock
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