CDCLK_CTL
cdclk_ctl = I915_READ(CDCLK_CTL);
I915_WRITE(CDCLK_CTL, cdclk_ctl);
I915_WRITE(CDCLK_CTL, cdclk_ctl);
POSTING_READ(CDCLK_CTL);
I915_WRITE(CDCLK_CTL, cdclk_ctl);
I915_WRITE(CDCLK_CTL, cdclk_ctl);
I915_WRITE(CDCLK_CTL, cdclk_ctl);
POSTING_READ(CDCLK_CTL);
cdctl = I915_READ(CDCLK_CTL);
divider = I915_READ(CDCLK_CTL) & BXT_CDCLK_CD2X_DIV_SEL_MASK;
I915_WRITE(CDCLK_CTL, val);
cdctl = I915_READ(CDCLK_CTL);
divider = I915_READ(CDCLK_CTL) & BXT_CDCLK_CD2X_DIV_SEL_MASK;
I915_WRITE(CDCLK_CTL, val);
cdctl = I915_READ(CDCLK_CTL);
I915_WRITE(CDCLK_CTL, ICL_CDCLK_CD2X_PIPE_NONE |
val = I915_READ(CDCLK_CTL);
val = I915_READ(CDCLK_CTL);
cdctl = I915_READ(CDCLK_CTL);