[mythtv-users] problem getting X to display on TV using EDID

[Steven Adeff]

On 6/9/06, Jakob Fix <jakob.fix at gmail.com> wrote:
> Hello,
>
> I spent all night trying to figure out why I can't get X window to
> display on my TV.
>
> In a previous message to this list I read that one can use EDID
> information that is read from the TV set to create a matching
> Modeline.
>
> I tried videogen, the xtiming.pl script and similar tools to generate
> Modelines.  Usually, the TV displays "Not supported mode", but the
> Xorg log doesn't shows any [EE] or [WW] messages.
>
> Some background: I've bought a Samsung LCD TV (LE32R5) which has a
> resolution of 1360x768 at 60Hz according to the manual, and it has HDMI
> input.  My Mythbox is an Asus Pundit R350 with a ATI 9100 IGP with DVI
> output.  I connected both with a DVI-HDMI cable and am able to see the
> console, unfortunately with some horrible overscan, but anyway.  The
> machine runs using Debian Sarge and Xorg 6.9.
>
> The EDID output from the Xorg.0.log is (in part)
>
> (II) RADEON(0): EDID data from the display on port 2-----------------------
> (II) RADEON(0): Manufacturer: SAM  Model: 180  Serial#: 0
> (II) RADEON(0): Year: 2006  Week: 12
> (II) RADEON(0): EDID Version: 1.3
> (II) RADEON(0): Digital Display Input
> (II) RADEON(0): Max H-Image Size [cm]: horiz.: 89  vert.: 50
> (II) RADEON(0): Gamma: 2.40
> (II) RADEON(0): No DPMS capabilities specified; RGB/Color Display
> (II) RADEON(0): First detailed timing is preferred mode
> (II) RADEON(0): redX: 0.632 redY: 0.357   greenX: 0.289 greenY: 0.596
> (II) RADEON(0): blueX: 0.143 blueY: 0.085   whiteX: 0.280 whiteY: 0.290
> (II) RADEON(0): Supported VESA Video Modes:
> (II) RADEON(0): 640x480 at 60Hz
> (II) RADEON(0): Manufacturer's mask: 0
> (II) RADEON(0): Supported additional Video Mode:
> (II) RADEON(0): clock: 74.2 MHz   Image Size:  885 x 498 mm
> (II) RADEON(0): h_active: 1280  h_sync: 1390  h_sync_end 1430
> h_blank_end 1650 h_border: 0
> (II) RADEON(0): v_active: 720  v_sync: 725  v_sync_end 730 v_blanking:
> 750 v_border: 0
> (II) RADEON(0): Supported additional Video Mode:
> (II) RADEON(0): clock: 74.2 MHz   Image Size:  885 x 498 mm
> (II) RADEON(0): h_active: 1280  h_sync: 1720  h_sync_end 1760
> h_blank_end 1980 h_border: 0
> (II) RADEON(0): v_active: 720  v_sync: 725  v_sync_end 730 v_blanking:
> 750 v_border: 0
> (II) RADEON(0): Ranges: V min: 50  V max: 61 Hz, H min: 15  H max: 46
> kHz, PixClock max 80 MHz
>
> [...]
>
> How can I make a Modeline of this information?

from
http://www.mythtv.org/wiki/index.php/Modeline_Database

## SAMSUNG LE32R51B
## DisplaySize             349 196
# Modeline                "1360x768" 85.500 1360 1424 1536 1792 768
771 777 795 +Hsync +Vsync

-- 
Steve
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