EVERGREEN_CRTC_CONTROL
if (!(RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[crtc]) & EVERGREEN_CRTC_MASTER_EN))
tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
tmp = RREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset);
WREG32(EVERGREEN_CRTC_CONTROL + radeon_crtc->crtc_offset, tmp);
crtc_enabled = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN;
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
tmp = RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]);
WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp);
if (RREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i]) & EVERGREEN_CRTC_MASTER_EN) {
reg = RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC0_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC1_REGISTER_OFFSET);
reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC2_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC3_REGISTER_OFFSET);
reg |= RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC4_REGISTER_OFFSET) |
RREG32(EVERGREEN_CRTC_CONTROL + EVERGREEN_CRTC5_REGISTER_OFFSET);