linux-kernel - Re: Radeon jittery post 2.6.35

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Message-ID: <4D812E5C.1010708@fastmail.fm>
Date:	Wed, 16 Mar 2011 22:40:44 +0100
From:	Anders Eriksson <aeriksson@...tmail.fm>
To:	Jerome Glisse <j.glisse@...il.com>
CC:	Alex Deucher <alexdeucher@...il.com>, airlied@...hat.com,
	xorg-driver-ati@...ts.x.org, linux-kernel@...r.kernel.org,
	dri-devel@...ts.freedesktop.org
Subject: Re: Radeon jittery post 2.6.35

 On 03/15/11 22:08, Jerome Glisse wrote:
> EDID failure could very well explain it, EDID retrieval seems to fails
> on some GPU under some circonstance (when there is CPU load that
> interfer with i2c timing i guess). Does the log have the edid failure
> message when the tv is jittering ? Or is it the otherway around ?
>
> Cheers,
> Jerome
It seems to be related to whether the TV is on (on that HDMI source) or not.
Mar 16 09:50:41 mynet kernel: [  933.060281] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 09:53:46 mynet kernel: [ 1117.724206] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 09:54:47 mynet kernel: [ 1179.218109] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 09:54:57 mynet kernel: [ 1189.411883] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 09:55:32 mynet kernel: [ 1220.050871] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 20:27:51 mynet kernel: [  952.693085] [drm:radeon_dvi_detect]
*ERROR* HDMI Type A-1: probed a monitor but no|invalid EDID
Mar 16 21:30:21 mynet kernel: [ 2272.384410] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 21:32:44 mynet kernel: [ 2415.931947] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 21:40:45 mynet kernel: [ 2896.698214] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 21:45:05 mynet kernel: [ 3152.643541] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID
Mar 16 21:53:00 mynet kernel: [ 3631.146133] [drm:radeon_dvi_detect]
*ERROR* HDMI-A-1: probed a monitor but no|invalid EDID


The TV was
off at about 10 AM this morning (the HTPC was on playing music)
on a couple of hours in the afternoon showing the RS690 HDMI
on at 20:50-22:00 NOT showing the RS690 HDMI

Unfortunately I'm not sure what the TV's state was at 20:27:51

/A
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