HTOTAL
I915_WRITE(HTOTAL(pipe), (640 - 1) | ((800 - 1) << 16));
error->transcoder[i].htotal = I915_READ(HTOTAL(cpu_transcoder));
I915_READ(HTOTAL(cpu_transcoder)));
I915_WRITE(HTOTAL(cpu_transcoder),
tmp = I915_READ(HTOTAL(cpu_transcoder));