enable_ycbcr420 799 drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c bool enable_ycbcr420) enable_ycbcr420 811 drivers/gpu/drm/amd/display/dc/dce/dce_clock_source.c double_rate_enable = enable_ycbcr420 ? 1 : 0;