diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
index 5b4e991f220d..c62d90361bd2 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_14nm.c
@@ -213,9 +213,7 @@ static void pll_14nm_dec_frac_calc(struct dsi_pll_14nm *pll, struct dsi_pll_conf
 	DBG("vco_clk_rate=%lld ref_clk_rate=%lld", vco_clk_rate, fref);
 
 	dec_start_multiple = div_u64(vco_clk_rate * multiplier, fref);
-	div_u64_rem(dec_start_multiple, multiplier, &div_frac_start);
-
-	dec_start = div_u64(dec_start_multiple, multiplier);
+	dec_start = div_u64_rem(dec_start_multiple, multiplier, &div_frac_start);
 
 	pconf->dec_start = (u32)dec_start;
 	pconf->div_frac_start = div_frac_start;
diff --git a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
index cb297b08458e..079613d2aaa9 100644
--- a/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
+++ b/drivers/gpu/drm/msm/dsi/phy/dsi_phy_7nm.c
@@ -114,9 +114,7 @@ static void dsi_pll_calc_dec_frac(struct dsi_pll_7nm *pll, struct dsi_pll_config
 
 	multiplier = 1 << FRAC_BITS;
 	dec_multiple = div_u64(pll_freq * multiplier, divider);
-	div_u64_rem(dec_multiple, multiplier, &frac);
-
-	dec = div_u64(dec_multiple, multiplier);
+	dec = div_u64_rem(dec_multiple, multiplier, &frac);
 
 	if (!(pll->phy->cfg->quirks & DSI_PHY_7NM_QUIRK_V4_1))
 		config->pll_clock_inverters = 0x28;