From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CB23AC433EF for ; Mon, 11 Oct 2021 20:19:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ADF1260F4B for ; Mon, 11 Oct 2021 20:19:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234870AbhJKUVS (ORCPT ); Mon, 11 Oct 2021 16:21:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40340 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234845AbhJKUVR (ORCPT ); Mon, 11 Oct 2021 16:21:17 -0400 Received: from relay04.th.seeweb.it (relay04.th.seeweb.it [IPv6:2001:4b7a:2000:18::165]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1F75FC06161C for ; Mon, 11 Oct 2021 13:19:17 -0700 (PDT) Received: from IcarusMOD.eternityproject.eu (unknown [2.237.20.237]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r1.th.seeweb.it (Postfix) with ESMTPSA id E0E4B1F41F; Mon, 11 Oct 2021 22:19:14 +0200 (CEST) Subject: Re: [PATCH v2] drm/msm/dsi: Use division result from div_u64_rem in 7nm and 14nm PLL To: Marijn Suijten , phone-devel@vger.kernel.org Cc: ~postmarketos/upstreaming@lists.sr.ht, Konrad Dybcio , Martin Botka , Jami Kettunen , Pavel Dubrova , Rob Clark , Sean Paul , David Airlie , Daniel Vetter , Dmitry Baryshkov , Abhinav Kumar , Stephen Boyd , Jonathan Marek , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org References: <20211011201642.167700-1-marijn.suijten@somainline.org> From: AngeloGioacchino Del Regno Message-ID: Date: Mon, 11 Oct 2021 22:19:14 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.13.0 MIME-Version: 1.0 In-Reply-To: <20211011201642.167700-1-marijn.suijten@somainline.org> Content-Type: text/plain; charset=iso-8859-15; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org > div_u64_rem provides the result of the division and additionally the > remainder; don't use this function to solely calculate the remainder > while calculating the division again with div_u64. > > A similar improvement was applied earlier to the 10nm pll in > 5c191fef4ce2 ("drm/msm/dsi_pll_10nm: Fix dividing the same numbers > twice"). > > Signed-off-by: Marijn Suijten > --- > > Changes in v2: > - Corrected two typos in the first commit-message sentence. > Reviewed-By: AngeloGioacchino Del Regno