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Fri, 11 Sep 2020 13:49:13 +0000 From: Laurentiu Palcu To: Lucas Stach , Philipp Zabel , David Airlie , Daniel Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team Cc: laurentiu.palcu@oss.nxp.com, dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH] drm/imx/dcss: fix 64-bit divisions Date: Fri, 11 Sep 2020 16:48:27 +0300 Message-Id: <20200911134827.32142-1-laurentiu.palcu@oss.nxp.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain; charset="us-ascii" X-ClientProxiedBy: AM0PR05CA0076.eurprd05.prod.outlook.com (2603:10a6:208:136::16) To VI1PR0402MB3902.eurprd04.prod.outlook.com (2603:10a6:803:22::27) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from fsr-ub1864-141.ea.freescale.net (83.217.231.2) by AM0PR05CA0076.eurprd05.prod.outlook.com (2603:10a6:208:136::16) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3326.19 via Frontend Transport; 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This would allow the driver to compile on 32-bit architectures, if needed. Signed-off-by: Laurentiu Palcu --- 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 cd21905de580..7c1e0e461244 100644 --- a/drivers/gpu/drm/imx/dcss/dcss-scaler.c +++ b/drivers/gpu/drm/imx/dcss/dcss-scaler.c @@ -134,7 +134,7 @@ static int div_q(int A, int B) else temp -= B / 2; - result = (int)(temp / B); + result = (int)(div_s64(temp, B)); return result; } @@ -237,7 +237,7 @@ 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; } } -- 2.17.1