WRPLL_CTL
link_clock = hsw_ddi_calc_wrpll_link(dev_priv, WRPLL_CTL(0));
link_clock = hsw_ddi_calc_wrpll_link(dev_priv, WRPLL_CTL(1));
I915_STATE_WARN(I915_READ(WRPLL_CTL(0)) & WRPLL_PLL_ENABLE, "WRPLL1 enabled\n");
I915_STATE_WARN(I915_READ(WRPLL_CTL(1)) & WRPLL_PLL_ENABLE, "WRPLL2 enabled\n");
I915_WRITE(WRPLL_CTL(id), pll->state.hw_state.wrpll);
POSTING_READ(WRPLL_CTL(id));
val = I915_READ(WRPLL_CTL(id));
I915_WRITE(WRPLL_CTL(id), val & ~WRPLL_PLL_ENABLE);
POSTING_READ(WRPLL_CTL(id));
val = I915_READ(WRPLL_CTL(id));
.ctl = WRPLL_CTL(0),
.ctl = WRPLL_CTL(1),