v_ratio_chroma    806 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c 	uint32_t v_ratio_chroma = 1;
v_ratio_chroma    830 drivers/gpu/drm/amd/display/dc/dcn20/dcn20_dwb_scl.c 	v_ratio_chroma = v_ratio_luma * 2;