RADEON_DAC2_CLK_SEL_CRT
value = old_dac_cntl2 | RADEON_DAC2_CLK_SEL_CRT | RADEON_DAC2_CMP_EN;
OUTREG(regs, RADEON_DAC_CNTL2, old_dac_cntl2 | RADEON_DAC2_CLK_SEL_CRT
value = old_dac_cntl2 & ~RADEON_DAC2_CLK_SEL_CRT;
OUTREG(regs, RADEON_DAC_CNTL2, RADEON_DAC2_CLK_SEL_CRT);
values->dac_cntl2 |= RADEON_DAC2_CLK_SEL_CRT;