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Bug#389007: Regression: Radeon 9200 powers off Apple Cinem..

  
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Roger Leigh

External


Since: Nov 28, 2006
Posts: 21



(Msg. 1) Posted: Sat Sep 23, 2006 7:00 am
Post subject: Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI
Archived from groups: linux>debian>bugs>dist, others (more info?)
Package: xserver-xorg-video-ati
Version: 1:6.6.2-2
Severity: important

Hi,

Back when X.Org was introduced to unstable, there was a bug where when X
was started up, the DVI flat panel (Apple Cinema Display 20") went into
standby mode, and wouldn't come out. This could be worked around with
IIRC a PanelSize option and a few other manual tweaks. This was later
fixed, and the special options were no longer necessary.

With the latest version, this bug has reappeared, and the monitor again
goes into standby when the X server starts.


The relevant parts of xorg.conf follow. If I uncomment "UseFBDev", the
monitor won't come out of standby even if I kill the X server. The
other commented out options don't appear to have any effect.


I'll be happy to do any further testing.


Regards,
Roger


Section "Device"
Identifier "ATI Radeon 9200"
Driver "ati"
BusID "PCI:0:16:0"
# Option "UseFBDev" "true"
# Option "MonitorLayout" "TMDS"
Option "SWcursor" "true"
# Option "fbdev" "/dev/fb0"
Option "DDCMode" "true"
EndSection

Section "Monitor"
Identifier "Apple Cinema Display"
#Option "DPMS"

HorizSync 28-90
VertRefresh 43-72
DisplaySize 434 270

Mode "1680x1050"
# D: 119.005 MHz, H: 64.677 kHz, V: 59.886 Hz
DotClock 119.006
HTimings 1680 1728 1760 1840
VTimings 1050 1053 1059 1080
Flags "-HSync" "+VSync"
EndMode

EndSection

Section "Screen"
Identifier "Default Screen"
Device "ATI Radeon 9200"
Monitor "Apple Cinema Display"
DefaultDepth 24
SubSection "Display"
Depth 1
Modes "1680x1050"
EndSubSection
SubSection "Display"
Depth 4
Modes "1680x1050"
EndSubSection
SubSection "Display"
Depth 8
Modes "1680x1050"
EndSubSection
SubSection "Display"
Depth 15
Modes "1680x1050"
EndSubSection
SubSection "Display"
Depth 16
Modes "1680x1050"
EndSubSection
SubSection "Display"
Depth 24
Modes "1680x1050"
EndSubSection
EndSection

Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
EndSection

Section "DRI"
Mode 0666
EndSection


-- System Information:
Debian Release: testing/unstable
APT prefers unstable
APT policy: (990, 'unstable')
Architecture: powerpc (ppc)
Shell: /bin/sh linked to /bin/bash
Kernel: Linux 2.6.17-1-powerpc
Locale: LANG=en_GB.UTF8, LC_CTYPE=en_GB.UTF8 (charmap=UTF-Cool

Versions of packages xserver-xorg-video-ati depends on:
ii libc6 2.3.6.ds1-4 GNU C Library: Shared libraries
ii xserver-xorg-core 2:1.1.1-7 X.Org X server -- core server

xserver-xorg-video-ati recommends no packages.

-- no debconf information


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Michel Dänzer

External


Since: Nov 22, 2006
Posts: 1097



(Msg. 2) Posted: Sat Sep 23, 2006 9:30 am
Post subject: Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
tags 389007 upstream
kthxbye

On Sat, 2006-09-23 at 10:33 +0100, Roger Leigh wrote:
>
> I'll be happy to do any further testing.

Please try and track down the upstream change that caused this with
git-bisect.


--
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
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Michel Dänzer

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Since: Nov 22, 2006
Posts: 1097



(Msg. 3) Posted: Mon Sep 25, 2006 5:10 am
Post subject: Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Sun, 2006-09-24 at 23:49 +0100, Roger Leigh wrote:
> On Sat, Sep 23, 2006 at 06:39:57PM +0100, Roger Leigh wrote:
> > Michel Dänzer <daenzer.RemoveThis@debian.org> writes:
> >
> > xf86-video-ati-6_5_8_0 to
> > ati-6_6_2
> > ?

Yes, although it might also make sense to try the current master and
ati-1-0-branch heads.

> I tried this out. All revisions built OK, but all caused the monitor to
> power off.
>
> Installing the old xserver-xorg-core and xserver-xorg-video-ati gives a
> working setup.
>
> I also tried using git-bisect with
> git://anongit.freedesktop.org/git/xorg/xserver, but done of the
> revisions would compile due to various type errors, I guess due to the
> incompatible changes made since 7.0.

Did you try the server-1_1-branch? Maybe we could help you get past the
errors if you posted them.

> Is there anything else I can do?

Some ideas:

* Build 6.6.2 against xserver-xorg-dev 1.0 and see if that works.
* Look for any differences in the log files.


--
Earthling Michel Dänzer | http://tungstengraphics.com
Libre software enthusiast | Debian, X and DRI developer
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Benjamin Herrenschmidt

External


Since: Jan 22, 2007
Posts: 1361



(Msg. 4) Posted: Mon Sep 25, 2006 7:20 am
Post subject: Bug#389007: [Xorg-driver-ati] Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Mon, 2006-09-25 at 10:02 +0200, Michel Dänzer wrote:

> Yes, although it might also make sense to try the current master and
> ati-1-0-branch heads.
>
> > I tried this out. All revisions built OK, but all caused the monitor to
> > power off.
> >
> > Installing the old xserver-xorg-core and xserver-xorg-video-ati gives a
> > working setup.
> >
> > I also tried using git-bisect with
> > git://anongit.freedesktop.org/git/xorg/xserver, but done of the
> > revisions would compile due to various type errors, I guess due to the
> > incompatible changes made since 7.0.
>
> Did you try the server-1_1-branch? Maybe we could help you get past the
> errors if you posted them.
>
> > Is there anything else I can do?
>
> Some ideas:
>
> * Build 6.6.2 against xserver-xorg-dev 1.0 and see if that works.
> * Look for any differences in the log files.

What monitor model is it precisely ? I fixed a problem at one point that
was causing exactly that behaviour on my Apple Cinema HD display. The
problem was that the driver was leaving the i2c lines used for DDC in
the high state. I put them back down at the end of the DDC procedure and
that fixed it. Now it's possible that this change got lost ...

Ben.
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Benjamin Herrenschmidt

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Since: Jan 22, 2007
Posts: 1361



(Msg. 5) Posted: Mon Sep 25, 2006 10:30 pm
Post subject: Bug#389007: [Xorg-driver-ati] Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Mon, 2006-09-25 at 11:25 +0100, Roger Leigh wrote:
> Benjamin Herrenschmidt <benh.DeleteThis@kernel.crashing.org> writes:
>
> > What monitor model is it precisely ?
>
> It's a 2005 Aluminium 20" Cinema Display. Model No. A1081 according
> the bottom edge. It has built-in USB and FireWire hubs and
> touch-sensitive brightness and power buttons on the right-hand edge,
> if that helps.

Sounds like the same as mine except mine is 23"... did we change
something there ?

> > I fixed a problem at one point that was causing exactly that
> > behaviour on my Apple Cinema HD display. The problem was that the
> > driver was leaving the i2c lines used for DDC in the high state. I
> > put them back down at the end of the DDC procedure and that fixed
> > it. Now it's possible that this change got lost ...
>
> It was a problem for me IIRC around May/June 2005.
>
>
> Regards,
> Roger
>



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Benjamin Herrenschmidt

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Since: Jan 22, 2007
Posts: 1361



(Msg. 6) Posted: Tue Oct 24, 2006 8:00 pm
Post subject: Bug#389007: [Xorg-driver-ati] Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
> I found a solution to the problem. Adding
>
> Option "PanelSize" "1680x1050"
> Option "MonitorLayout" "TMDS,NONE"
>
> made the display work correctly. IIRC this was needed with XOrg 6.9,
> but wasn't needed with 7.0 (because it was intelligent enough to
> autodetect correctly?). This seems to be a regression in 7.1.
>
> Both the PanelSize and MonitorLayout need to be exactly as above. If
> either is commented out, or I change MonitorLayout to just "TMDS", the
> monitor powers off.
>
>
> Just in case it's affecting anything, I'm adding
>
> append="video=radeonfb:1680x1050-32@60"
>
> in my yaboot.conf in order to get a fullscreen framebuffer.

radeonfb shouldn't need that ...

What if, instead, you use Option "ReverseDDC" "true" btw ? Same
symptoms ?

Ben.




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Benjamin Herrenschmidt

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Since: Jan 22, 2007
Posts: 1361



(Msg. 7) Posted: Thu Oct 26, 2006 6:50 pm
Post subject: Bug#389007: [Xorg-driver-ati] Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Thu, 2006-10-26 at 19:25 +0100, Roger Leigh wrote:
> Benjamin Herrenschmidt <benh DeleteThis @kernel.crashing.org> writes:
>
> >> I found a solution to the problem. Adding
> >>
> >> Option "PanelSize" "1680x1050"
> >> Option "MonitorLayout" "TMDS,NONE"
> >>
> >> made the display work correctly. IIRC this was needed with XOrg 6.9,
> >> but wasn't needed with 7.0 (because it was intelligent enough to
> >> autodetect correctly?). This seems to be a regression in 7.1.
> >>
> >> Both the PanelSize and MonitorLayout need to be exactly as above. If
> >> either is commented out, or I change MonitorLayout to just "TMDS", the
> >> monitor powers off.
> >>
> >>
> >> Just in case it's affecting anything, I'm adding
> >>
> >> append="video=radeonfb:1680x1050-32@60"
> >>
> >> in my yaboot.conf in order to get a fullscreen framebuffer.
> >
> > radeonfb shouldn't need that ...
> >
> > What if, instead, you use Option "ReverseDDC" "true" btw ? Same
> > symptoms ?
>
> Yes, the display just powers off on startup (this is with PanelSize
> and MonitorLayout commented out).

ANd with NoDDC ?

Ben.




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Brice Goglin

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Since: Dec 05, 2006
Posts: 88



(Msg. 8) Posted: Fri Aug 10, 2007 1:47 am
Post subject: Bug#389007: [Xorg-driver-ati] Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
> NoDDC set to true or false has no effect. The monitor is powered off
> with all combination of this option with either or both of the PanelSize
> and MonitorLayout commented out.
>
> NoDDC set to true or false with both PanelSize and MonitorLayout
> enabled result in a working monitor.
>

Hi Roger,

This bug should be forwarded in the upstream bugzilla to get good care,
especially if it still does not work with latest 1:6.6.193-1 in
experimental.

Before I do so, you could test the randr-1.2 branch of the upstream git
repository in case it helps.

Brice



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Brice Goglin

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Since: Dec 05, 2006
Posts: 88



(Msg. 9) Posted: Sat Aug 25, 2007 10:47 am
Post subject: Bug#389007: Regression: Radeon 9200 powers off Apple Cinema Display connected via DVI [Login to view extended thread Info.]
Archived from groups: per prev. post (more info?)
On Fri, Aug 10, 2007 at 08:29:10AM +0200, Brice Goglin wrote:
>
> > NoDDC set to true or false has no effect. The monitor is powered off
> > with all combination of this option with either or both of the PanelSize
> > and MonitorLayout commented out.
> >
> > NoDDC set to true or false with both PanelSize and MonitorLayout
> > enabled result in a working monitor.
> >
>
> This bug should be forwarded in the upstream bugzilla to get good care,
> especially if it still does not work with latest 1:6.6.193-1 in
> experimental.
>
> Before I do so, you could test the randr-1.2 branch of the upstream git
> repository in case it helps.

Hi Roger,

The randr-1.2 branch has been merged, it is now available in Debian in
xserver-xorg-video-ati 1:6.7.191-1 (in experimental). Please let me
know whether it helps.

If not, does xrandr report that the cinema display is connected? Are any
modes detected? Please the xrandr output and the new Xorg.0.log.

Brice



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