EpicA TC2 & Option Rotate

This forum is for all Parhelia based cards (Millenium P650, P690, P750, QID, Parhelia 256, APVe, ...) that need the mtx driver to run properly.

EpicA TC2 & Option Rotate

Postby jonnyBgood » Tue Jun 05, 2007 2:42 pm

Hi forum,

I have an EpicA TC2 card, the mtx driver 1.4.3, Ubuntu Feisty and want to use the pivot function of my monitor.

Now, if I use the documented option

Code: Select all
Option "Rotate" "CW"


within the Screen section of the xorg.conf file, the X server starts, but the display is scrambled.

Are there any issues on this topic?

And the second question: Are the "xrandr" functions (e.g. "xrandr -o left") supported by the mtx driver?

Kind regards.
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Postby tuxx-home.at » Tue Jun 05, 2007 3:22 pm

mtx driver 1.4.3


Please update to 1.4.4.8 available in the Downloads section of this forum.

Are there any issues on this topic?


I tried it on my system a few minutes ago and 2 of my 3 screens were
rotatable (both CW and CCW). The only one that didn't work was the 3rd
screen ('Screen 2'), it staid blank after rotating.

Maybe I made a little mistake, will give it another try in a few minutes.

Are the "xrandr" functions (e.g. "xrandr -o left") supported by the mtx
driver?


No.
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Postby jonnyBgood » Tue Jun 05, 2007 4:39 pm

Hi,

the updated driver doesn't work either - after I insert the Rotate-Option the screen is scrambled.

Below I'll attach the xorg.conf file - maybe there is a mistake within.

Is the "xrandr" support already planned?

Kind regards.
Attachments
xorg.conf
(2.42 KiB) Downloaded 265 times
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Postby tuxx-home.at » Tue Jun 05, 2007 6:40 pm

after I insert the Rotate-Option the screen is scrambled.


Please attach your Xorg.0.log file too. The one generated when the screen is
scrambled.

You'r xorg.conf basically looks fine. The differences to mine are the "DontZap"
and the "DontZoom" options in the ServerFlags section, but as they are written
incorrectly, I don't know if they get honoured at all by your X server and I don't
really think that they are the cause for your scrambled screen.

Can you see the blue Matrox Parhelia splash screen when your X server starts?

Is the "xrandr" support already planned?


You will have to contact Matrox Tech support directly for an answer to this
question as they don't provide me with information about their release plans.

But please do ask them and tell us, what they said.
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Postby jonnyBgood » Wed Jun 06, 2007 10:06 am

Thanks for your quick reply...

I've attached the Xorg log file. An image of the "scrambled" screen of the Matrox splash screen (!) is attached, also.

Note: I've commented all unrequired option within the xorg.conf, when I captured the log file and the image.

As you refer to the Matrox support tech (and I'm really a newbie in this forum): The unofficial sources and patches are only for the kernel module and the Xorg (mtr) driver is the unchanged version from matrox itself, correct?

One offtopic question: Do you know a solution how to change the resolution of the mtx driver (e.g. set the "Option" "Rotate") without restarting the X-server?


Kind regards...
Attachments
matroxsplash_scrambled.jpg
matroxsplash_scrambled.jpg (137.94 KiB) Viewed 7806 times
Xorg.1.log
(34.04 KiB) Downloaded 280 times
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Postby tuxx-home.at » Wed Jun 06, 2007 10:37 am

An image of the "scrambled" screen of the Matrox splash screen (!) is
attached, also.


That's weird... Never saw this.

The unofficial sources and patches are only for the kernel module and the Xorg
(mtr) driver is the unchanged version from matrox itself, correct?


That's correct. If the mtx driver would be open source, I'd have changed some
things a long time ago ;)

Do you know a solution how to change the resolution of the mtx driver


The resolution can be changed with the default Xorg key bindings CTRL-ALT-'+' resp. CTRL-ALT-'-'. The only thing that is necessary for these
keybindings to work is that you add several ravailable resolutions to the
Modes option in your Screen section, e.g.:

Code: Select all
Section "Screen"
   [...]
   SubSection "Display"
      [...]
      Modes "1280x1024" "1024x768" "800x600"
      [...]
   EndSubSection
EndSection


The above configuration will allow you to swap between three configured
resolutions.

e.g. set the "Option" "Rotate") without restarting the X-server?


Setting the Rotate option when the X server is running requires the
availability of the XRANDR (X Resize AND Rotate) extension supported by
the driver and this is currently not possible.

What really puzzles me, is, that your Matrox splash screen is blue, but the
Xorg.1.log file contains the following:

(WW) MTX(0): Error #4 while loading Kernel Driver.
(WW) MTX(0): Falling back to Emulating DMA


Are you sure, that the mtx kernel module is loaded by the X server?

What BIOS version is installed on your card?
Please have a look at the following HOWTO (the `pbioslin -o` command can
be used to view your current BIOS version):

[http://matrox.tuxx-home.at/viewtopic.php?t=28]
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Postby jonnyBgood » Wed Jun 06, 2007 10:49 am

Hi,

Thanks for your support.

The splash screen is not really blue (it's a color dismatch caused by my digital camera) - the color is some kind of "violett" ..

Do I really need the the mtx kernel driver for the Option Rotate? (The kernel module is/was not loaded ...)

Kind regards ...
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Postby jonnyBgood » Wed Jun 06, 2007 10:59 am

Just for the record:

pbioslin.bin shows:

Code: Select all
Graphics BIOS:  Version: 2.5 - 46
Product ID: 976
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Postby tuxx-home.at » Wed Jun 06, 2007 11:57 am

Graphics BIOS: Version: 2.5 - 46
Product ID: 976


OK, this is the most current version.

The splash screen is not really blue (it's a color dismatch caused by my digital
camera) - the color is some kind of "violett" ..


You should definetly configure your camera properly ;)

Do I really need the the mtx kernel driver for the Option Rotate?


I think so, but I'll have a try, just wait a minute, will update in here.

Update: Yes, the mtx kernel module is needed for the rotate option to work.

I don't know why this works for you, must have something todo with the
Xorg version, but my X server (1.3.0, Debian unstable) refuses to start if
I add any option to my xorg.conf that requires the presence of the mtx
kernel module, which is cool in my eyes, so I definetly know which features
require kernel module suport and which don't.

THI is also one thing, that requires the help of the kernel module, so please
install the latest available driver along with the kernel module. Xorg then
should automatically load the mtx kernel module during startup and
everything should be fine then.
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