FDI_TX_PLL_ENABLE
I915_STATE_WARN(!(val & FDI_TX_PLL_ENABLE), "FDI TX PLL assertion failure, should be active but is disabled\n");
if ((temp & FDI_TX_PLL_ENABLE) == 0) {
I915_WRITE(reg, temp | FDI_TX_PLL_ENABLE);
I915_WRITE(reg, temp & ~FDI_TX_PLL_ENABLE);