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: <AANLkTikn0sAnohS__1MET5qYiM6sYRc_Dg2cLaN3f3-C@mail.gmail.com>
Date:	Fri, 11 Feb 2011 14:06:16 -0500
From:	Alex Deucher <alexdeucher@...il.com>
To:	Justin Mattock <justinmattock@...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 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 the following patch on top of the first two patches I
posted to this thread?

Thanks,

diff --git a/drivers/gpu/drm/radeon/atombios_crtc.c
b/drivers/gpu/drm/radeon/atombios_crtc.c
index cc6bdd8..2f9d113 100644
--- a/drivers/gpu/drm/radeon/atombios_crtc.c
+++ b/drivers/gpu/drm/radeon/atombios_crtc.c
@@ -562,7 +562,7 @@ static u32 atombios_adjust_pll(struct drm_crtc *crtc,
                               }
                       }
 /* this might work properly with the new pll algo */
-#if 0 /* doesn't work properly on some laptops */
+#if 1 /* doesn't work properly on some laptops */
                       /* use recommended ref_div for ss */
                       if (radeon_encoder->devices &
(ATOM_DEVICE_LCD_SUPPORT)) {
                               if (ss_enabled) {


>
> Justin P. Mattock
>
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