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How to set i.MX6 IPU DI display size and active window.

Question asked by Satoshi Shimoda on Jan 30, 2014
Latest reply on Feb 18, 2014 by Yuri Muhin

Hi community,


I have some questions about i.MX6DL IPU setting.



Please see Figure 38-45 in IMX6SDLRM Rev.1.

I understand I can set "Display height (lines)" by DIx_SCREEN_HEIGHT field in IPU_DIx_SCR_CONF register.

Is my understanding correct?



How can I set "Display width (pixels or accesses)"?



I understand antive wildow resolution and LCD resolution are not necessarily the same.

If the LCD resolution is 1920 x 1080, I have to set "Display width (pixels or accesses)" = 1920 and "Display height (lines)" = 1080.

But I can set AW_HEND <= 1920 and AW_VEND <= 1080.

Is this correct?



Best Regards,

Satoshi Shimoda