IEGD and resolutions management

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IEGD and resolutions management

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Hi,

I'am working on an embedded board that uses a Z530 and US15W chipset. I used the old psb driver and I'am trying to move to iegd driver.

With the psb driver, I am able to define different graphic modes at the same resolution but with different timings. When starting x server, I can use xrandr to select the right mode.

For example, I have modelines like :

"1024x768 60Hz XGA" 65.14 1024 1048 1186 1348 768 771 777 806 -hsync -vsync

"1024x768 60Hz LM150X08" 63.43 1024 1072 1176 1326 768 771 775 798 -hsync -vsync

With the iegd driver, using CED, my modelines are changed into Dtd timings. Calling xrandr, I can see the resolution 1024x768 but not the different dtd.

So, how can I select the right mode ?

Thanks

Florian

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