[Nouveau] GeForce FX5200 dual DVI & Samsung 204b

Francisco Jerez currojerez at riseup.net
Thu Sep 30 09:05:36 PDT 2010


Grzesiek Sójka <pld at pfu.pl> writes:

> I did download new sources and applied the amd-agp patch but no change.
> I get the some problems. Here is the dmesg without modeset:
> http://yen.ipipan.waw.pl/~gs159090/tmp/txt.gz
> Then I added following modeline to the file drm_edid_modes.h
>
> /* 1600x1200 at 50Hz */
> { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 135000, 1600, 1664,
>   1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
>   DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
>
> and tried to force the mode by setting video=DVI-I-[12]:1600x1200-15 at 50.
> No luck, here you have the dmesg:
> http://yen.ipipan.waw.pl/~gs159090/tmp/txt2.gz
>
> I also did some test with the xorg:
> http://yen.ipipan.waw.pl/~gs159090/tmp/Xorg.0.log.gz
> http://yen.ipipan.waw.pl/~gs159090/tmp/xorg.conf.gz
>
> The interesting thing is that according to the dmesg the xorgs tries to
> set the mode:
> Modeline 58:"1600x1200_def" 0 144000 1600 1628 1788 1920 1200 1201 1204
> 1250 0x0 0x0
> but just after the mode is used:
> Modeline 75:"1600x1200" 0 162000 1600 1664 1856 2160 1200 1201 1204 1250
> 0x48 0x5
> Here is the xrandr --verbose output:
> http://yen.ipipan.waw.pl/~gs159090/tmp/xrandr.nouveau.gz
>
Does the following command help?
$ xrandr --output DVI-I-2 --set "scaling mode" "None"

> Just in case I also recorded the xrandr output in the case of the Nvidia
> binary driver:
> http://yen.ipipan.waw.pl/~gs159090/tmp/xrandr.nvidia.gz
> I was really surprised because the xrandr claims that the refresh rate
> is 50Hz but at the OSD there is an information that the refresh rate is
> 60Hz. What to think?? Next thing is that the refresh rate of 50Hz is out
> of the monitor range: VertRefresh 56 - 75. So the Xserver should not to
> set it to 50.

Don't worry about that, IIRC it's just a hack nvidia did to
differentiate between "meta-modes" with the same resolution but a
different set of enabled outputs, instead of switching to RandR12.

>
> All the time (when using nouveau.ko) the monitor #1 is switched off and
> #2 is blinking. It does not mater if Xserver is running or not.
>
> Please let me know if you need any more data.
>
> Thanks for any help in advance.
>
> Regards
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