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[why] When SubVP is active the HW cursor size is limited to 64x64, and anything larger will force composition which is bad for gaming on DCN3.2 if the game uses a larger cursor. [how] If HW cursor is requested, typically by a fullscreen game, do not enable SubVP so that up to 256x256 cursor sizes are available for DCN3.2. Reviewed-by: Aric Cyr <aric.cyr@amd.com> Signed-off-by: Aric Cyr <Aric.Cyr@amd.com> Signed-off-by: Wayne Lin <wayne.lin@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>