diff --git a/drivers/gpu/drm/i915/intel_dsi_pll.c b/drivers/gpu/drm/i915/intel_dsi_pll.c
index bd17465018f4..7ad59d13dd4c 100644
--- a/drivers/gpu/drm/i915/intel_dsi_pll.c
+++ b/drivers/gpu/drm/i915/intel_dsi_pll.c
@@ -258,7 +258,7 @@ static u32 vlv_dsi_get_pclk(struct intel_encoder *encoder, int pipe_bpp)
 	u32 dsi_clock, pclk;
 	u32 pll_ctl, pll_div;
 	u32 m = 0, p = 0, n;
-	int refclk = 25000;
+	int refclk = IS_CHERRYVIEW(dev_priv) ? 100000 : 25000;
 	int i;
 
 	DRM_DEBUG_KMS("\n");