CRTC2_DISP_REQ_EN_B  287 include/video/aty128.h #define CRTC2_DISP_REQ_EN_B			0x04000000
CRTC2_DISP_REQ_EN_B  556 include/video/radeon.h #define CRTC2_DISP_REQ_EN_B                        (1 << 26)