drm/i915/chv: Add DPFLIPSTAT register bits for Cherryview

CHV has pipe C and PSR which cause changes to DPFLIPSTAT.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Rafael Barbalho <rafael.barbalho@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

drivers/gpu/drm/i915/i915_reg.h

@@ -3464,12 +3464,19 @@ enum punit_power_well {
 #define   SPRITED_FLIP_DONE_INT_EN		(1<<26)
 #define   SPRITEC_FLIP_DONE_INT_EN		(1<<25)
 #define   PLANEB_FLIP_DONE_INT_EN		(1<<24)
+#define   PIPE_PSR_INT_EN			(1<<22)
 #define   PIPEA_LINE_COMPARE_INT_EN		(1<<21)
 #define   PIPEA_HLINE_INT_EN			(1<<20)
 #define   PIPEA_VBLANK_INT_EN			(1<<19)
 #define   SPRITEB_FLIP_DONE_INT_EN		(1<<18)
 #define   SPRITEA_FLIP_DONE_INT_EN		(1<<17)
 #define   PLANEA_FLIPDONE_INT_EN		(1<<16)
+#define   PIPEC_LINE_COMPARE_INT_EN		(1<<13)
+#define   PIPEC_HLINE_INT_EN			(1<<12)
+#define   PIPEC_VBLANK_INT_EN			(1<<11)
+#define   SPRITEF_FLIPDONE_INT_EN		(1<<10)
+#define   SPRITEE_FLIPDONE_INT_EN		(1<<9)
+#define   PLANEC_FLIPDONE_INT_EN		(1<<8)
 
 #define DPINVGTT				(VLV_DISPLAY_BASE + 0x7002c) /* VLV only */
 #define   CURSORB_INVALID_GTT_INT_EN		(1<<23)