GEN8_EU_DIS0_S1_SHIFT
#define GEN8_EU_DIS0_S1_MASK (0xff << GEN8_EU_DIS0_S1_SHIFT)
eu_disable[1] = (I915_READ(GEN8_EU_DISABLE0) >> GEN8_EU_DIS0_S1_SHIFT) |
(32 - GEN8_EU_DIS0_S1_SHIFT));