drm/i915: Make intel_pipe_has_type() take an output type enum

As Paulo said when introducing the enum, having more types is really
good to document what should go where (int foo(int, int, bool, bool).

Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Damien Lespiau <damien.lespiau@intel.com>
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/intel_display.c

@@ -408,7 +408,7 @@ static void vlv_clock(int refclk, intel_clock_t *clock)
 /**
  * Returns whether any output on the specified pipe is of the specified type
  */
-bool intel_pipe_has_type(struct intel_crtc *crtc, int type)
+bool intel_pipe_has_type(struct intel_crtc *crtc, enum intel_output_type type)
 {
 	struct drm_device *dev = crtc->base.dev;
 	struct intel_encoder *encoder;