drm/amd/display: Fix plug/unplug external monitor will hang while playback MPO video
[Why] Pipes for MPO primary and overlay will be power down and power up during plug/unplug external monitor while MPO video playback. But the pipes were the same after plug/unplug and should not need to be power down and power up or it will make page flip interrupt disabled and cause hang issue. [How] Add pipe split change condition that not only check the top pipe pointer but also check the index of top pipe if both top pipes are available. Reviewed-by:Sun peng Li <Sunpeng.Li@amd.com> Acked-by:
Brian Chang <Brian.Chang@amd.com> Signed-off-by:
Tom Chung <chiahsuan.chung@amd.com> Tested-by:
Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by:
Alex Deucher <alexander.deucher@amd.com>
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d83a348b