PIPESTAT
I915_WRITE(PIPESTAT(pipe),
reg = PIPESTAT(pipe);
i915_reg_t reg = PIPESTAT(pipe);
i915_reg_t reg = PIPESTAT(pipe);
error->pipe[i].stat = I915_READ(PIPESTAT(i));
i915_reg_t reg = PIPESTAT(pipe);
i915_reg_t reg = PIPESTAT(crtc->pipe);