[mythtv-users] Ahh - Evil xorg and modelines
Damian Surr
damian at gingermagic.co.uk
Fri Jun 8 19:48:49 UTC 2007
Great,
So if I use this (all modelines from all generators I can find):
##1024x768
Modeline "1024x768-60-A" 60.80 1024 1056 1128 1272 768 768 770 796
Modeline "1024x768-70-B" 74.10 1024 1064 1152 1320 768 768 770 801
Modeline "1024x768-75-C" 81.55 1024 1064 1168 1352 768 768 770 804
Modeline "1024x768-85-D" 97.40 1024 1072 1192 1416 768 768 771 809
Modeline "1024x768-60-E" 64.11 1024 1080 1184 1344 768 769 772 795
-HSync +Vsync
Modeline "1024x768-70-F" 76.16 1024 1080 1192 1360 768 769 772 800
-HSync +Vsync
Modeline "1024x768-75-G" 81.80 1024 1080 1192 1360 768 769 772 802
-HSync +Vsync
Modeline "1024x768-85-H" 94.38 1024 1088 1200 1376 768 769 772 807
-HSync +Vsync
Modeline "1024x768-60-I" 64.56 1024 1056 1296 1328 768 783 791 807
Modeline "1024x768-70-J" 78.36 1024 1056 1352 1384 768 783 792 807
Modeline "1024x768-75-K" 85.56 1024 1056 1376 1408 768 782 792 807
Modeline "1024x768-85-L" 100.94 1024 1056 1432 1464 768 782 793 807
Modes "1024x768-60-A" "1024x768-70-B" "1024x768-75-C" "1024x768-85-D"
"1024x768-60-E" "1024x768-70-F" "1024x768-75-G" "1024x768-85-H"
"1024x768-60-I" "1024x768-70-J" "1024x768-75-K" "1024x768-85-L"
and then startx with verbose 5 (using ssh), then we should be getting
somewhere?
I'll try it as soon as I can.
Damian
Steve Smith wrote:
> Damian,
>
> I'm sure you know this but the
>
> Modes "1024x768_60" "1024x768_70" "1024x768_75" "1024x768_85" "800x600_x" "640x480_y"
>
> ...line tells X which of the graphics resolutions to (attempt) to use. Of the ones it thinks you can use, it lets you cycle through them as you describe.
>
>
> Your problem seems to be that X for some reason is saying you can't use some/all of the modes.
>
> This is probably because it thinks that the monitor/graphics card won't support them, hence why
> we encourage you to use "--logverbose 5" because that tells you what X is thinking about the resolutions.
>
>
> The Nvidia drivers are quite clever and let you create a new resolution WITHOUT a modeline just be specifying XxY_Z
> in the Modes line as you have done (for an X by Y resolution at Z refresh rate). I expect that having Modelines of
>
> the same format might confuse it.
>
> Either way use that --logverbose and we might be able to see what's going on...i.e. why it's rejecting your choice of resolution.
>
> Cheers
>
> Steve
>
>
>
> On 08/06/07, *Damian Surr* <damian at gingermagic.co.uk
> <mailto:damian at gingermagic.co.uk>> wrote:
>
> Putting the same information into different modeline generators
> produces
> different results. What's a feller to do?
>
> Used 3 different sites to work out modelines for 1024x768 at 66, 70 75
> and 85Hz. Only the last one also let me enter Dot Clock Frequency.
> Not at my Myth machine at the moment. Just getting a list of
> things to try.
>
> # http://www.bohne-lang.de/spec/linux/modeline/
> # V-freq: 60.00 Hz // h-freq: 47.80 KHz
> Modeline "1024x768_60" 60.80 1024 1056 1128 1272 768 768 770 796
>
> # V-freq: 70.00 Hz // h-freq: 56.12 KHz
> Modeline "1024x768_70" 74.10 1024 1064 1152 1320
> 768 768 770 801
>
> # V-freq: 75.00 Hz // h-freq: 60.31 KHz
> Modeline "1024x768_75" 81.55 1024 1064 1168 1352 768 768 770 804
>
> # V-freq: 85.00 Hz // h-freq: 68.79 KHz
> Modeline "1024x768_85" 97.40 1024 1072 1192 1416
> 768 768 771 809
>
> #http://www.sh.nu/nvidia/gtf.php
> # 1024x768 @ 60.00 Hz (GTF) hsync: 47.70 kHz; pclk: 64.11 MHz
> Modeline "1024x768_60.00" 64.11 1024 1080 1184 1344 768 769 772
> 795 -HSync +Vsync
>
> # 1024x768 @ 70.00 Hz (GTF) hsync: 56.00 kHz; pclk: 76.16 MHz
> Modeline "1024x768_70.00" 76.16 1024 1080 1192 1360 768 769 772
> 800 -HSync +Vsync
>
> # 1024x768 @ 75.00 Hz (GTF) hsync: 60.15 kHz; pclk: 81.80 MHz
> Modeline "1024x768_75.00" 81.80 1024 1080 1192 1360 768 769 772
> 802 -HSync +Vsync
>
> # 1024x768 @ 85.00 Hz (GTF) hsync: 68.59 kHz; pclk: 94.38 MHz
> Modeline "1024x768_85.00" 94.38 1024 1088 1200 1376 768 769 772
> 807 -HSync +Vsync
>
> #http://xtiming.sourceforge.net/cgi-bin/xtiming.pl
> Modeline "1024x768 at 60" 64.56 1024 1056 1296 1328 768 783 791 807
> Modeline "1024x768 at 70 " 78.36 1024 1056 1352 1384 768 783 792 807
> Modeline "1024x768 at 75" 85.56 1024 1056 1376 1408 768 782 792 807
> Modeline "1024x768 at 85" 100.94 1024 1056 1432 1464 768 782 793 807
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