Unichrome

The via driver correctly detects the attached monitor
and recommended resolution but it is not able to use
it. I'm using the 0.2.2 version (as provided by the
gentoo package).

It seems that the problem has to do with the pixel
clock proposed not being one of the supported by the
via chipset.

I've solved this adding in my xorg.conf the following
line (in the Monitor section):

ModeLine "1680x1050" 148.5 1680 1784 1960
2240 1050 1053 1059 1089

This is, I just copied the information supplied by
the via driver in /var/log/Xorg.0.log and changed the
146.2Mhz clock information to the nearest one listed
in the src/via_mode.h file.

The information I get of this mode
in /var/log/Xorg.0.log follows:

8<-----------------------------
(II) VIA(0): Supported additional Video Mode:
(II) VIA(0): clock: 146.2 MHz Image Size: 433 x
271 mm
(II) VIA(0): h_active: 1680 h_sync: 1784 h_sync_end
1960 h_blank_end 2240 h_border: 0
(II) VIA(0): v_active: 1050 v_sync: 1053 v_sync_end
1059 v_blanking: 1089 v_border: 0
(II) VIA(0): Serial No: xxxxxxxxxxxx
(II) VIA(0): Ranges: V min: 50 V max: 75 Hz, H min:
30 H max: 82 kHz, PixClock max 210 MHz
(II) VIA(0): Monitor name: VX2025wm
8<-----------------------------


Hope this bug can be fixed in next releases of the
driver or this report can help someone with the same
problem.

Best regards,
Sergio Barrachina