I have valid ranges specified in my Xorg.conf, I am just saying that if I turn off dpms, edid and ddc (which everyone says to do), I lose the helpful info about why the modeline does not work, and instead just get the error mode not available log entry.
Actually, the information for why the modeline doesn't work isn't helpful...The "VertSync out of range" is X protecting you from yourself. The reason you have to turn it off is that they TV is lying about what it can do. The info: VertSync: 59 - 61 HorizSync: 15 - 34 says roughly, "I can do 480p" VGA resolution is 60Hz V, 31kHz H.... just what the TV is wanting.
Now, if the TV is *supposed* to do 1080i, you need to ignore the bogus info from EDID. From a quick google, I saw that 1080i apparently has 1125 lines total (including the inactive lines). If that's supposed to be run at 29.97Hz, that's 29.97*(1125) = 33.7kHz horiz. That's valid from the EDID, but the 29.97Hz vertical *isn't*.
So, if the "real" specs for my TV are not available, what do you suggest I do. Pretty much everywhere else I read says trial and error until it looks right, or user PowerStrip in Windows to find one that works. The manual that came with my TV is pretty weak.
Robin
It sounds like what you really need to do is have X allow you to run the mode you want. Come to think of it, though, I can't even remember what the hell you wanted to do... :)
A quick google found this # Powerstrip generated HDTV Standard 1080i ModeLine "1920x1080" 74.184 1920 1960 2008 2200 1080 1084 1094 1124 interlace -hsync -vsync
That's at exactly 30Hz, so I'd probably change it to be: ModeLine "1920x1080" 74.184 1920 1960 2008 2200 1080 1084 1094 1125 interlace -hsync -vsync for 29.97 Hz.
If you want *A* 540p, hack it like this (with half vertical retrace/sync time as 1080i)
ModeLine "1920x540" 74.184 1920 1960 2008 2200 540 542 547 562 -hsync -vsync
If you want *ANOTHER* one (that uses the same vertical retrace/sync time as 1080i)
ModeLine "960x540" 37.092 960 980 1004 1100 540 542 547 562 -hsync -vsync
If you try these and they blow up your TV, don't blame me. I told you to find the *actual* specs the TV wants.... :)
-Cory
************************************************************************* * Cory Papenfuss * * Electrical Engineering candidate Ph.D. graduate student * * Virginia Polytechnic Institute and State University * *************************************************************************
_______________________________________________ mythtv-users mailing list [email protected] http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
