Nouveau - Jun 2011 - [Bug 38687] Wrong resolution on LCD TV's

https://bugs.freedesktop.org/show_bug.cgi?id=38687

Stefan Dirsch <sndirsch at suse.de> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|* Other                     |Driver/nouveau
         AssignedTo|xorg-team at lists.x.org       |nouveau at
lists.freedesktop.o
                   |                            |rg

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--- Comment #1 from Emil Velikov <emil.l.velikov at gmail.com> 2011-06-27
07:02:14 PDT ---
Hi Damian

Would you mind providing a bit more information in a slightly easier format

* Logs (see bugs[1] section for which ones and how to obtain them)
* What connection are you using for your TV - vga,dvi,dp,hdmi
* Is there any other display device connected - LVDS, monitor,...?
* What tool do you use to get the list of resolutions/change the resolution

Please provide a single set of logs, they should include
* System startup with the TV plugged it
* Your attempt to change the resolution
* Reconnecting the TV and setting up the correct resolution


Emil

[1] http://nouveau.freedesktop.org/wiki/Bugs

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--- Comment #2 from Damian <damianatorrpm at gmail.com> 2011-06-27
09:41:05 PDT ---
* Logs (see bugs[1] section for which ones and how to obtain them)
Hmm...but this is specific to nouveau driver, this problems is at least with
vesa, nv, nouveau, nVidia binary driver, more like an X infrastructure problem
because it do not detect the resolution, but as you wish I'll post them in
the
next comment.

* What connection are you using for your TV - vga,dvi,dp,hdmi
-VGA.

* Is there any other display device connected - LVDS, monitor,...?
-No.

* What tool do you use to get the list of resolutions/change the resolution
-Krandrtray, gnome-display-properties, nvidia-setting (all with same result)

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--- Comment #3 from Damian <damianatorrpm at gmail.com> 2011-06-27
09:55:45 PDT ---
Created an attachment (id=48473)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=48473)
normal startup with monitor

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--- Comment #4 from Damian <damianatorrpm at gmail.com> 2011-06-27
09:56:20 PDT ---
Created an attachment (id=48474)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=48474)
startup with TV

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--- Comment #5 from Damian <damianatorrpm at gmail.com> 2011-06-27
10:01:48 PDT ---
In the first sentence in my last comment I mean it's NOT specific to
nouveau,
sorry. Log's attached.

* Your attempt to change the resolution
* Reconnecting the TV and setting up the correct resolution
Resolution changes fine. X not find higher available resolutions than 1024x768
on the TV. 
"Reconnecting the TV and setting up the correct resolution" -
Don't know if
this is even succesfully since I plug out my monitor and put the TV in and X
thinks it's still the monitor and the output do not look very smooth.

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--- Comment #6 from Emil Velikov <emil.l.velikov at gmail.com> 2011-06-27
11:22:13 PDT ---

AFAIK nvidia's binary driver detects the supported resolutions
irrespectively
of X

Thus I do not believe it's X infrastructure related

Now if we consider the case
"nouveau sets 800x600 upon boot, whereas nvidia does 1024x768"

You can clearly see that this is _not_ the case by looking at your log
"...nouveau 0000:01:00.0: allocated 1024x768..."

Nevertheless your Xorg.0.log should provide you with list of all the
resolutions parsed from the tv/monitor's EDID block

Note that if for some reason the EDID block fetched under Linux differs from
the one under windows, that would explain your issue.

If you prefer to use nouveau I highly recommend using more recent(latest git)
components [1][2][3]


Emil

[1] http://cgit.freedesktop.org/nouveau/xf86-video-nouveau/
[2] http://cgit.freedesktop.org/mesa/drm/
[3] http://cgit.freedesktop.org/nouveau/linux-2.6/

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--- Comment #7 from Johannes Obermayr <johannesobermayr at gmx.de>
2011-06-27 11:34:16 PDT ---
Just add one of these repositories (I assume openSUSE_11.3 is the right for
you), install fitting drm-nouveau-kmp-{flavor} package and update the other
packages:

http://download.opensuse.org/repositories/home:/jobermayr/

Then you will use latest - and more or less supported - graphics drivers stack
which is much more stable than the half year old thing openSUSE delivers (my
experience).

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--- Comment #8 from Johannes Obermayr <johannesobermayr at gmx.de>
2011-06-27 11:39:23 PDT ---
Sorry - twiddled fingers. I meant openSUSE_11.4 with drm-nouveau-kmp-default
should fit. But don't mix X11:XOrg repo with packages from this
repository/project!

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--- Comment #9 from Damian <damianatorrpm at gmail.com> 2011-06-30
09:43:29 PDT ---
(In reply to comment #8)
> Sorry - twiddled fingers. I meant openSUSE_11.4 with
drm-nouveau-kmp-default
> should fit. But don't mix X11:XOrg repo with packages from this
> repository/project!
Done. This do NOT fix the problem. Only KDE-Plasma-Desktop hangs :)

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--- Comment #10 from Damian <damianatorrpm at gmail.com> 2011-07-08
10:39:39 PDT ---
Can I provide something else to help?

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--- Comment #11 from Emil Velikov <emil.l.velikov at gmail.com> 2011-07-08
17:03:19 PDT ---
Hi Damian

As previously suggested your issue could be related to the EDID

Thus can you obtain your TV's EDID [1] and [2] as well as Xorg.0.log [3]

* System start with the TV (resolution of 800x600)
* Disconnect the monitor and connect the TV ("I can use all!
resolutions")


Thanks
Emil


[1] cat /sys/class/drm/cardXX-YYYY/edid > edid.bin
Where XX is the card number (0,1,3..)
YYYY is the connector used (VGA, DVI, HDMI...)

[2] http://polypux.org/projects/read-edid/

[3] /var/log/Xorg.0.log

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--- Comment #12 from Damian <damianatorrpm at gmail.com> 2011-07-09
22:49:35 PDT ---
XXXXX at XXXXXXX:~> sudo ls /sys/class/
root's password:
ata_device  backlight  bsg  firmware  hidraw       input  mdio_bus  msr     
power_supply  regulator    scsi_disk     sound       tty  video4linux
ata_link    bdi        dma  gpio      hwmon        leds   mem       net     
ppdev         rtc          scsi_generic  spi_master  usb  vtconsole
ata_port    block      dmi  graphics  i2c-adapter  lirc   misc      pci_bus  rc
           scsi_device  scsi_host     thermal     vc

XXXXX at XXXXXXXX:~> sudo ls /sys/class/graphics/
fb0  fbcon

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--- Comment #13 from Damian <damianatorrpm at gmail.com> 2011-07-09
22:58:51 PDT ---
sorry my fault, I am using now nvidia driver, trying later when installing
nouveau...

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