WINDOW_B_THRESHOLD 1834 drivers/gpu/drm/tegra/dc.c 			WINDOW_B_THRESHOLD(0x20) | WINDOW_C_THRESHOLD(0x20);
WINDOW_B_THRESHOLD 1838 drivers/gpu/drm/tegra/dc.c 			WINDOW_B_THRESHOLD(1) | WINDOW_C_THRESHOLD(1);