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Yes I was looking for some way to do it in X11. My problem being that strictly speaking if I do refreshing via ioctl I have a race condition between X drawing and the eink screen rereshing.
As far as the Amazon framework is concerned, I have not dug deep enough to even discover which native methods it calls. Also I think I have already seen the effect of such a race condition in the Amazon reader, where it first does a full refresh and then draws different contents.
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