diff --git a/drivers/gpu/drm/i915/display/intel_cdclk.c b/drivers/gpu/drm/i915/display/intel_cdclk.c
index c6e87569b3d61..64dff1572fd72 100644
--- a/drivers/gpu/drm/i915/display/intel_cdclk.c
+++ b/drivers/gpu/drm/i915/display/intel_cdclk.c
@@ -1233,6 +1233,30 @@ static const struct intel_cdclk_vals icl_cdclk_table[] = {
 	{}
 };
 
+static const struct intel_cdclk_vals rkl_cdclk_table[] = {
+	{ .refclk = 19200, .cdclk = 172800, .divider = 4, .ratio =  36 },
+	{ .refclk = 19200, .cdclk = 192000, .divider = 4, .ratio =  40 },
+	{ .refclk = 19200, .cdclk = 307200, .divider = 4, .ratio =  64 },
+	{ .refclk = 19200, .cdclk = 326400, .divider = 8, .ratio = 136 },
+	{ .refclk = 19200, .cdclk = 556800, .divider = 4, .ratio = 116 },
+	{ .refclk = 19200, .cdclk = 652800, .divider = 4, .ratio = 136 },
+
+	{ .refclk = 24000, .cdclk = 180000, .divider = 4, .ratio =  30 },
+	{ .refclk = 24000, .cdclk = 192000, .divider = 4, .ratio =  32 },
+	{ .refclk = 24000, .cdclk = 312000, .divider = 4, .ratio =  52 },
+	{ .refclk = 24000, .cdclk = 324000, .divider = 8, .ratio = 108 },
+	{ .refclk = 24000, .cdclk = 552000, .divider = 4, .ratio =  92 },
+	{ .refclk = 24000, .cdclk = 648000, .divider = 4, .ratio = 108 },
+
+	{ .refclk = 38400, .cdclk = 172800, .divider = 4, .ratio = 18 },
+	{ .refclk = 38400, .cdclk = 192000, .divider = 4, .ratio = 20 },
+	{ .refclk = 38400, .cdclk = 307200, .divider = 4, .ratio = 32 },
+	{ .refclk = 38400, .cdclk = 326400, .divider = 8, .ratio = 68 },
+	{ .refclk = 38400, .cdclk = 556800, .divider = 4, .ratio = 58 },
+	{ .refclk = 38400, .cdclk = 652800, .divider = 4, .ratio = 68 },
+	{}
+};
+
 static int bxt_calc_cdclk(struct drm_i915_private *dev_priv, int min_cdclk)
 {
 	const struct intel_cdclk_vals *table = dev_priv->cdclk.table;
@@ -2809,7 +2833,13 @@ u32 intel_read_rawclk(struct drm_i915_private *dev_priv)
  */
 void intel_init_cdclk_hooks(struct drm_i915_private *dev_priv)
 {
-	if (INTEL_GEN(dev_priv) >= 12) {
+	if (IS_ROCKETLAKE(dev_priv)) {
+		dev_priv->display.set_cdclk = bxt_set_cdclk;
+		dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk;
+		dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk;
+		dev_priv->display.calc_voltage_level = tgl_calc_voltage_level;
+		dev_priv->cdclk.table = rkl_cdclk_table;
+	} else if (INTEL_GEN(dev_priv) >= 12) {
 		dev_priv->display.set_cdclk = bxt_set_cdclk;
 		dev_priv->display.bw_calc_min_cdclk = skl_bw_calc_min_cdclk;
 		dev_priv->display.modeset_calc_cdclk = bxt_modeset_calc_cdclk;