FDI_RX_PLL_ENABLE
FDI_RX_PLL_ENABLE |
val &= ~FDI_RX_PLL_ENABLE;
cur_state = !!(val & FDI_RX_PLL_ENABLE);
I915_WRITE(reg, temp | FDI_RX_PLL_ENABLE);
I915_WRITE(reg, temp & ~FDI_RX_PLL_ENABLE);