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[Why] There are outstanding bugs for PIP in Dal3: -Crash when toggling PIP visibility -Global Alpha is not working, Adjusting global alpha doesn’t have an effect -Cursor is not working with pip plane and pipe splits -One flash occurs when cursor enters PIP plane from top/bottom -Crash when moving PIP plane off the screen [How] Resolve divide by 0 error Implement global alpha Program cursor on all pipes Add dst rects' x and y offests into cursor position Disable cursor when it is beyond bottom/top edge Signed-off-by: Gloria Li <geling.li@amd.com> Reviewed-by: Aric Cyr <Aric.Cyr@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>