RADEON_CRTC_EXT_CNTL
CLR32(sc, RADEON_CRTC_EXT_CNTL, RADEON_CRTC_DISPLAY_DIS);
PRINTREG(RADEON_CRTC_EXT_CNTL);
extc = radeonfb_get32(sc, RADEON_CRTC_EXT_CNTL);
radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, (extc & ~RADEON_CRTC_CRT_ON) |
radeonfb_put32(sc, RADEON_CRTC_EXT_CNTL, extc);
SET32(sc, RADEON_CRTC_EXT_CNTL,
v = GET32(sc, RADEON_CRTC_EXT_CNTL);
PUT32(sc, RADEON_CRTC_EXT_CNTL, v);
PRINTREG(RADEON_CRTC_EXT_CNTL);
CLR32(sc, RADEON_CRTC_EXT_CNTL,
PRINTREG(RADEON_CRTC_EXT_CNTL);
reg = RADEON_CRTC_EXT_CNTL;
reg = RADEON_CRTC_EXT_CNTL;
ext = GET32(sc, RADEON_CRTC_EXT_CNTL) & ~RADEON_CRTC_DISPLAY_DIS;
PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISPLAY_DIS);
PUT32(sc, RADEON_CRTC_EXT_CNTL, ext | RADEON_CRTC_DISP_REQ_EN_B);
PUT32(sc, RADEON_CRTC_EXT_CNTL, ext);
PRINTREG(RADEON_CRTC_EXT_CNTL);