RADEON_DAC_CNTL2
u32 dac2_cntl = RREG32(RADEON_DAC_CNTL2);
WREG32(RADEON_DAC_CNTL2, dac2_cntl);
dac2_cntl = RREG32(RADEON_DAC_CNTL2);
WREG32(RADEON_DAC_CNTL2, dac2_cntl);
dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~RADEON_DAC2_DAC2_CLK_SEL;
WREG32(RADEON_DAC_CNTL2, dac2_cntl);
dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC2_CLK_SEL;
WREG32(RADEON_DAC_CNTL2, dac2_cntl);
dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
WREG32(RADEON_DAC_CNTL2, RADEON_DAC2_DAC2_CLK_SEL);
WREG32(RADEON_DAC_CNTL2, dac_cntl2);
dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
WREG32(RADEON_DAC_CNTL2, tmp);
WREG32(RADEON_DAC_CNTL2, dac_cntl2);
dac_cntl2 = RREG32(RADEON_DAC_CNTL2);
WREG32(RADEON_DAC_CNTL2, tmp);
if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUT_B)
if (RREG32(RADEON_DAC_CNTL2) & RADEON_DAC2_CMP_OUTPUT)
WREG32(RADEON_DAC_CNTL2, dac_cntl2);
dac2_cntl = RREG32(RADEON_DAC_CNTL2) & ~(RADEON_DAC2_DAC_CLK_SEL);
WREG32(RADEON_DAC_CNTL2, dac2_cntl);
dac2_cntl = RREG32(RADEON_DAC_CNTL2) | RADEON_DAC2_DAC_CLK_SEL;
WREG32(RADEON_DAC_CNTL2, dac2_cntl);