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Max resolution DVI

posted in Uncategorized
Monday, August 16 2010, 09:53 PM
hedwin
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What is the maximum resolution possible for DVI? I have it currently on 1280x720 but can\\\'t get it higher than this. Hedwin
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  • Accepted Answer

    amolina
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    Tuesday, August 17 2010, 11:36 AM - #permalink
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    Mine is usually 1440x900@60 but I believe it\\\'s not the maximum possible. With best regards Antonio Molina.
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  • Accepted Answer

    Friday, August 27 2010, 03:01 AM - #permalink
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    what\\\'s the best way to set the resolution?
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  • Accepted Answer

    amolina
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    Friday, August 27 2010, 10:57 AM - #permalink
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    Hello! Please, check in: [url=http://labs.igep.es/index.php/The_bootloader_U-Boot]http://labs.igep.es/index.php/The_bootloader_U-Boot[/url] It says in \\\"default u-boot environment\\\" paragraph the line: setenv bootargs-base \\\'console=ttyS2,115200n8 console=tty0 omapfb.mode=dvi:1024x768MR-16@60\\\' The only solution is \\\"try-and-test\\\". Because of my TV the best resolution is 1440x900MR-24@60 With the best regards, Antonio.
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  • Accepted Answer

    mcaro
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    Tuesday, August 31 2010, 06:17 PM - #permalink
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    The Maximum resolution with OMAP processor be 2048x2048. But it depend about what your monitor can support. Manel
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  • Accepted Answer

    Wednesday, September 01 2010, 01:06 PM - #permalink
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    Hi Manel, Does resolution affect OMAP performance? I mean: 2048x2048x bits per colour @60Hz equals lots of bandwith, this is obvious for video playback (plus video decoding also consuming lots of resources). It\\\'s going to be not possible 2048x2048 video playback, but my question is: does higher resolution mean more work for OMAP running X windowing system? Higher resolution -> rest of the system slower? Thanks Ric
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  • Accepted Answer

    Friday, September 03 2010, 04:17 AM - #permalink
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    yes. Higher resolution consumes more system resources.
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  • Accepted Answer

    Friday, September 03 2010, 04:19 AM - #permalink
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    [b]amolina wrote:[/b]
    Hello! Please, check in: [url=http://labs.igep.es/index.php/The_bootloader_U-Boot]http://labs.igep.es/index.php/The_bootloader_U-Boot[/url] It says in \"default u-boot environment\" paragraph the line: setenv bootargs-base \\\'console=ttyS2,115200n8 console=tty0 omapfb.mode=dvi:1024x768MR-16@60\\\' The only solution is \"try-and-test\". Because of my TV the best resolution is 1440x900MR-24@60 With the best regards, Antonio.
    Will I also need custom modesettings in X? Guess I\\\'ll have to \"try and test\" :P .
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  • Accepted Answer

    hedwin
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    Wednesday, September 08 2010, 10:23 PM - #permalink
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    The 2048x2048 is the resolution for a TFT, but the chip handle DVI might have different restrictions. Hedwin
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  • Accepted Answer

    hedwin
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    Saturday, September 25 2010, 09:40 PM - #permalink
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    Manel, The omap could handle other (higher) resolutions but isn\\\'t DVI handled by an external FPGA. In that case it is the FPGA that defines the max resolution for the DVI and not the OMAP, isn\\\'t it. Hedwin
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  • Accepted Answer

    mcaro
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    Saturday, September 25 2010, 10:10 PM - #permalink
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    Fpga? We don\\\'t use any fpga ... The OMAP DSS controller it\\\'s connected directly to a DVI trasmitter, the unique limitation it\\\'s the max clock frequency that the DVI trasnmitter can work in our case 165 Mhz. Manel
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  • Accepted Answer

    hedwin
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    Sunday, September 26 2010, 12:47 AM - #permalink
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    In that case, what is the max resolution the transmitter can handle? Any specs available about the DVI transmitter used?
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  • Accepted Answer

    mcaro
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    Tuesday, September 28 2010, 10:48 AM - #permalink
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    TFP410 DVI transmitter. Cheers Manel
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    hedwin
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    Tuesday, September 28 2010, 10:22 PM - #permalink
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    Thanks.
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