drm/i915/casf: rename sumcoeff into sum_coeff

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>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patch.msgid.link/20260509164048.627399-5-michal.grzelak@intel.com

diff --git a/drivers/gpu/drm/i915/display/intel_casf.c b/drivers/gpu/drm/i915/display/intel_casf.c
index b9643548d182200974fe37e04cf1d1489be186e0..cafd21a036320ced73d3a6370dd02b9313bd4163 100644 (file)
--- 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]);
        }