[PATCH v2 06/10] drm/imx/dcss: Fix 64bit divisions

Ville Syrjala ville.syrjala at linux.intel.com
Thu Oct 3 11:18:47 UTC 2024


From: Ville Syrjälä <ville.syrjala at linux.intel.com>

Use the appropriate 64bit division helpers to make the code
build on 32bit architectures.

Cc: Laurentiu Palcu <laurentiu.palcu at oss.nxp.com>
Cc: Lucas Stach <l.stach at pengutronix.de>
Signed-off-by: Ville Syrjälä <ville.syrjala at linux.intel.com>
---
 drivers/gpu/drm/imx/dcss/dcss-scaler.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/gpu/drm/imx/dcss/dcss-scaler.c b/drivers/gpu/drm/imx/dcss/dcss-scaler.c
index 825728c356ff..32c3f46b21da 100644
--- a/drivers/gpu/drm/imx/dcss/dcss-scaler.c
+++ b/drivers/gpu/drm/imx/dcss/dcss-scaler.c
@@ -136,7 +136,7 @@ static int div_q(int A, int B)
 	else
 		temp -= B / 2;
 
-	result = (int)(temp / B);
+	result = div_s64(temp, B);
 	return result;
 }
 
@@ -239,7 +239,7 @@ static void dcss_scaler_gaussian_filter(int fc_q, bool use_5_taps,
 			ll_temp = coef[phase][i];
 			ll_temp <<= PSC_COEFF_PRECISION;
 			ll_temp += sum >> 1;
-			ll_temp /= sum;
+			ll_temp = div_s64(ll_temp, sum);
 			coef[phase][i] = (int)ll_temp;
 		}
 	}
-- 
2.45.2



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