I have a question on the intended use of pan_display v. the update_window ioctl in dss2. I'm using a dsi panel and it seems like the only way I can get new data out to the display is by calling display->update. The only place that seems to be called is from a couple of the ioctls, mainly update_window. Is the intention that you use update_window to compose the screen? Android uses pan_display to flip between a front and back copy of the frame buffer, and if it's available on the hardware, to send a partial update. On the dss2 framework those calls never cause anything to be sent to the dsi panel. Should we be calling the update_window ioctl?
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