diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c
index 9a306aee2199..c4fabffa369e 100644
--- a/drivers/gpu/drm/i915/display/intel_casf.c
+++ b/drivers/gpu/drm/i915/display/intel_casf.c
@@ -88,7 +88,7 @@ static void intel_casf_compute_win_size(struct intel_crtc_state *crtc_state)
 		crtc_state->pch_pfit.casf.win_size = SHARPNESS_FILTER_SIZE_7X7;
 }
 
-static void intel_casf_scaler_compute_coef(struct intel_crtc_state *crtc_state);
+static void intel_casf_scaler_compute_coeff(struct intel_crtc_state *crtc_state);
 
 int intel_casf_compute_config(struct intel_crtc_state *crtc_state)
 {
@@ -118,7 +118,7 @@ int intel_casf_compute_config(struct intel_crtc_state *crtc_state)
 
 	intel_casf_compute_win_size(crtc_state);
 
-	intel_casf_scaler_compute_coef(crtc_state);
+	intel_casf_scaler_compute_coeff(crtc_state);
 
 	return 0;
 }
@@ -196,7 +196,7 @@ static void intel_casf_write_coeff(const struct intel_crtc_state *crtc_state)
 	}
 }
 
-static void convert_sharpness_coef_binary(struct scaler_filter_coeff *coeff,
+static void convert_sharpness_coeff_binary(struct scaler_filter_coeff *coeff,
 					  u16 coefficient)
 {
 	if (coefficient < 25) {
@@ -214,7 +214,7 @@ static void convert_sharpness_coef_binary(struct scaler_filter_coeff *coeff,
 	}
 }
 
-static void intel_casf_scaler_compute_coef(struct intel_crtc_state *crtc_state)
+static void intel_casf_scaler_compute_coeff(struct intel_crtc_state *crtc_state)
 {
 	const u16 *filtercoeff;
 	u16 filter_coeff[SCALER_FILTER_NUM_TAPS];
@@ -233,7 +233,7 @@ static void intel_casf_scaler_compute_coef(struct intel_crtc_state *crtc_state)
 
 	for (i = 0; i < SCALER_FILTER_NUM_TAPS; i++) {
 		filter_coeff[i] = (*(filtercoeff + i) * 100 / sumcoeff);
-		convert_sharpness_coef_binary(&crtc_state->pch_pfit.casf.coeff[i],
+		convert_sharpness_coeff_binary(&crtc_state->pch_pfit.casf.coeff[i],
 					      filter_coeff[i]);
 	}
 }