This patch removes the timer per vnc client connected and adds a single
timer to update all the possible clients.
We call vga_hw_update only once in the timer handler.
Signed-off-by: NStefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: NAnthony Liguori <aliguori@us.ibm.com>
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