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[DSS, framebuffer] state of RGB iface

Hi,

I want to ask about some things linked with linux framebuffer on omap3.

For example i put some image on fb0 dev (just cat something.rgb > /dev/fb0) and there is no

another instance of software which can put some data there. 

The image will be shown on display. What is the state of hardware dss interface in

such situation? Is there any traffic on rgb interface after that the image is drawn?

I'm quite unfamiliar with display subsystem so this question can seem to be uncertain but I need to 

know this asap.

BR, 

Carl