[PATCH v3 4/9] drm/i915/casf: rename sumcoeff into sum_coeff

["Michał Grzelak" <michal.grzelak@intel.com>]

Stick to using snake_case in intel_casf_scaler_compute_coeff() where
it is possible.

Cc: Nemesa Garg <nemesa.garg@intel.com>
Signed-off-by: Michał Grzelak <michal.grzelak@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
---
 drivers/gpu/drm/i915/display/intel_casf.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c
index b9643548d182..cafd21a03632 100644
--- a/drivers/gpu/drm/i915/display/intel_casf.c
+++ b/drivers/gpu/drm/i915/display/intel_casf.c
@@ -218,7 +218,7 @@ static void intel_casf_scaler_compute_coeff(struct intel_crtc_state *crtc_state)
 {
 	const u16 *filtercoeff;
 	u16 filter_coeff[SCALER_FILTER_NUM_TAPS];
-	u16 sumcoeff = 0;
+	u16 sum_coeff = 0;
 	int i;
 
 	if (crtc_state->pch_pfit.casf.win_size == 0)
@@ -229,10 +229,10 @@ static void intel_casf_scaler_compute_coeff(struct intel_crtc_state *crtc_state)
 		filtercoeff = filtercoeff_3;
 
 	for (i = 0; i < SCALER_FILTER_NUM_TAPS; i++)
-		sumcoeff += *(filtercoeff + i);
+		sum_coeff += *(filtercoeff + i);
 
 	for (i = 0; i < SCALER_FILTER_NUM_TAPS; i++) {
-		filter_coeff[i] = (*(filtercoeff + i) * 100 / sumcoeff);
+		filter_coeff[i] = (*(filtercoeff + i) * 100 / sum_coeff);
 		convert_sharpness_coeff_binary(&crtc_state->pch_pfit.casf.coeff[i],
 					      filter_coeff[i]);
 	}
-- 
2.45.2