diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index bc1a5c60822ebe5fa55499f3fc673325c85ecd41..0668815d05d762298712e408b8f3a71ae52ca9ff 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -4191,6 +4191,10 @@
 #define  WRPLL_PLL_SELECT_SSC			(0x01<<28)
 #define  WRPLL_PLL_SELECT_NON_SCC		(0x02<<28)
 #define  WRPLL_PLL_SELECT_LCPLL_2700	(0x03<<28)
+/* WRPLL divider programming */
+#define  WRPLL_DIVIDER_REFERENCE(x)		((x)<<0)
+#define  WRPLL_DIVIDER_POST(x)			((x)<<8)
+#define  WRPLL_DIVIDER_FEEDBACK(x)		((x)<<16)
 
 /* Port clock selection */
 #define PORT_CLK_SEL_A			0x46100