GEN6_RP_DOWN_TIMEOUT
s->rp_down_timeout = I915_READ(GEN6_RP_DOWN_TIMEOUT);
I915_WRITE(GEN6_RP_DOWN_TIMEOUT,s->rp_down_timeout);
I915_WRITE(GEN6_RP_DOWN_TIMEOUT,
I915_WRITE(GEN6_RP_DOWN_TIMEOUT, 100000000 / 128); /* 1 second timeout */
I915_WRITE(GEN6_RP_DOWN_TIMEOUT, 50000);
I915_WRITE(GEN6_RP_DOWN_TIMEOUT, 1000000);
I915_WRITE(GEN6_RP_DOWN_TIMEOUT, 1000000);