RADEON_CRTC_GEN_CNTL
if (!(RREG32(RADEON_CRTC_GEN_CNTL) & RADEON_CRTC_EN))
(void)RREG32(RADEON_CRTC_GEN_CNTL);
tmp = RREG32(RADEON_CRTC_GEN_CNTL);
WREG32(RADEON_CRTC_GEN_CNTL, tmp);
tmp = RREG32(RADEON_CRTC_GEN_CNTL);
WREG32(RADEON_CRTC_GEN_CNTL, tmp);
crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL);
WREG32(RADEON_CRTC_GEN_CNTL,
WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl);
WREG32(RADEON_MM_INDEX, RADEON_CRTC_GEN_CNTL);
reg = RADEON_CRTC_GEN_CNTL;
reg = RREG32(RADEON_CRTC_GEN_CNTL) |
WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_EN, ~(RADEON_CRTC_EN |
WREG32_P(RADEON_CRTC_GEN_CNTL, RADEON_CRTC_DISP_REQ_EN_B, ~(RADEON_CRTC_EN |
gen_cntl_reg = RADEON_CRTC_GEN_CNTL;
crtc_gen_cntl = RREG32(RADEON_CRTC_GEN_CNTL) & 0x00718000;
WREG32(RADEON_CRTC_GEN_CNTL, crtc_gen_cntl);