Xserver dor EP9307 ARM Board

[Bhaskar <abc.bhaskar@xxxxxxxxx>]

Dear Team,

The frame buffer and XOrg for EP9307 board were provided by Cirrus
Logic.  When I move the window containing images, there is some
flickering.  Normal windows movement are fine.

Inorder to trace the issue, I introduced trace messages in XServer.
But these messages appear only at Linux bootup time.  When I move the
window, none of the messages appear.

I found folders link fb, cfb, render, etc in XServer.  The enabled
trace messages are in fb folder.

Somebody kindly provide a pointer to understand the flow control of
XServer.  When I move the window what functions might be invoked.

Regards.

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