drm/i915: Plop vlv/chv fifo sizes into crtc state

Move the vlv/chv FIFO size tracking into the crtc_state. As with the wms
for now this just acts as temporary storage.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20170302171508.1666-6-ville.syrjala@linux.intel.com

drivers/gpu/drm/i915/intel_drv.h

@@ -508,6 +508,10 @@ struct vlv_wm_state {
 	bool cxsr;
 };
 
+struct vlv_fifo_state {
+	u16 plane[I915_MAX_PLANES];
+};
+
 struct intel_crtc_wm_state {
 	union {
 		struct {
@@ -536,6 +540,8 @@ struct intel_crtc_wm_state {
 		struct {
 			/* optimal watermarks (inverted) */
 			struct vlv_wm_state optimal;
+			/* display FIFO split */
+			struct vlv_fifo_state fifo_state;
 		} vlv;
 	};
 
@@ -721,10 +727,6 @@ struct intel_crtc_state {
 	u8 active_planes;
 };
 
-struct vlv_fifo_state {
-	uint16_t plane[I915_MAX_PLANES];
-};
-
 struct intel_crtc {
 	struct drm_crtc base;
 	enum pipe pipe;
@@ -775,8 +777,6 @@ struct intel_crtc {
 
 		/* allow CxSR on this pipe */
 		bool cxsr_allowed;
-
-		struct vlv_fifo_state fifo_state;
 	} wm;
 
 	int scanline_offset;