From nobody Wed Dec 17 23:28:08 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BD3DC04FE2 for ; Wed, 16 Aug 2023 11:26:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S244601AbjHPL0d (ORCPT ); Wed, 16 Aug 2023 07:26:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S244564AbjHPL0H (ORCPT ); Wed, 16 Aug 2023 07:26:07 -0400 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA56D26A1 for ; Wed, 16 Aug 2023 04:26:03 -0700 (PDT) Received: from [127.0.1.1] (91-154-35-171.elisa-laajakaista.fi [91.154.35.171]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 2F570D92; Wed, 16 Aug 2023 13:24:43 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1692185084; bh=V/DMo8p5jJ8+UtiQ3KTL91bfgqjlzonLkdA5+0U3ogc=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=ERltfdu2eBnpmL/LBoit72Hru9VBNcX47Lo1zx1ccPyZft0YP2LkbhIZoxpkIGHGL 52JVyDtKk44gkv4B5lUjvFx+/XAqKVzc3mV1CGvgrflZoEvjsal7ZuWilrYnbSFuk/ mOnEUvjXYdp6U+I4DZPS+KJLH4TuLmLtd1sf7aIw= From: Tomi Valkeinen Date: Wed, 16 Aug 2023 14:25:13 +0300 Subject: [PATCH v2 10/12] drm/bridge: tc358768: Fix tc358768_ns_to_cnt() MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230816-tc358768-v2-10-242b9d5f703a@ideasonboard.com> References: <20230816-tc358768-v2-0-242b9d5f703a@ideasonboard.com> In-Reply-To: <20230816-tc358768-v2-0-242b9d5f703a@ideasonboard.com> To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , =?utf-8?q?P=C3=A9ter_Ujfalusi?= , Maxim Schwalm , Francesco Dolcini Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, Aradhya Bhatia , Tomi Valkeinen X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=900; i=tomi.valkeinen@ideasonboard.com; h=from:subject:message-id; bh=V/DMo8p5jJ8+UtiQ3KTL91bfgqjlzonLkdA5+0U3ogc=; b=owEBbQKS/ZANAwAIAfo9qoy8lh71AcsmYgBk3LI3zCHuO6AmxVhkUJGJFXofoGAsxytMXWp9P arfgWl12GmJAjMEAAEIAB0WIQTEOAw+ll79gQef86f6PaqMvJYe9QUCZNyyNwAKCRD6PaqMvJYe 9VYjD/4sMcfAdNbGdhnKHr0OSe9t2N96tQd5xl7nJ0/QhduZXNKyXr9fYrJnhA9+JuR/jeD5TGq TLYSxH1CURmXkIDIGDhrNALFcyei8Ypd6rWd9Mty80vwbH/L7Bny3JwHa3mjv0yJN1EI0Sel3hC lGD2h2VBQeKo2NaKIHChPAbzNcIyomW+SYkm4jn+k/tlGj84dyDXyy1TcuhVPsjAs2pGm1bGzvv xrYyBeIl5z2QC2H+q9lDhmSCvWJauztkfhWJlka6N3mSD+DtxAcNfX62oSv8iB0TUWw7l2dlSwG 0PiWHGzm8UklqQbo15R4VAxAm6uSod8lFxjgrGH6rp3Ws483IbIkr2jz0jujvL3TCm+kK4ru+Fn Hff2AmoObx6kKWqs1uyHlALGi/YOB63BnNMRI+askPFSVwIY9U2HmE+rZWbMvedT54SY23o8ZS6 Wup76E1AWdcRi6C1eQ4V2cR8inFSYdtAL8l8KRhzwcg4l6t2X6LSRIN8/K3xriSEq56WQOJyvfI aJN3xZ1qFstbMahyQ4syXdWVvz+y52MX0OyEGvaURaJ+I4fe8DSYf4v3ZFU9WSZvON0o+hjEImB UPjJB2Ffno+wV2zggrgnXSau4ymuaMHVkR9PwEoFMg/DLQb0F91qDUfe8AF1DVadu7GGaPeQW7M oMVpAHeEAeqpyuQ== X-Developer-Key: i=tomi.valkeinen@ideasonboard.com; a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The tc358768_ns_to_cnt() is, most likely, supposed to do a div-round-up operation, but it misses subtracting one from the dividend. Fix this by just using DIV_ROUND_UP(). Fixes: ff1ca6397b1d ("drm/bridge: Add tc358768 driver") Signed-off-by: Tomi Valkeinen --- drivers/gpu/drm/bridge/tc358768.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/bridge/tc358768.c b/drivers/gpu/drm/bridge/tc3= 58768.c index 9411b0fb471e..dc2241c18dde 100644 --- a/drivers/gpu/drm/bridge/tc358768.c +++ b/drivers/gpu/drm/bridge/tc358768.c @@ -630,7 +630,7 @@ static int tc358768_setup_pll(struct tc358768_priv *pri= v, =20 static u32 tc358768_ns_to_cnt(u32 ns, u32 period_ps) { - return (ns * 1000 + period_ps) / period_ps; + return DIV_ROUND_UP(ns * 1000, period_ps); } =20 static u32 tc358768_ps_to_ns(u32 ps) --=20 2.34.1