From: Stephen Boyd <swboyd@chromium.org>
To: Marijn Suijten <marijn.suijten@somainline.org>,
phone-devel@vger.kernel.org
Cc: ~postmarketos/upstreaming@lists.sr.ht,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@somainline.org>,
Konrad Dybcio <konrad.dybcio@somainline.org>,
Martin Botka <martin.botka@somainline.org>,
Jami Kettunen <jami.kettunen@somainline.org>,
Pavel Dubrova <pashadubrova@gmail.com>,
Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
Abhinav Kumar <abhinavk@codeaurora.org>,
Jonathan Marek <jonathan@marek.ca>,
linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] drm/msm/dsi: Use division result from div_u64_rem in 7nm and 14nm PLL
Date: Tue, 12 Oct 2021 10:30:51 -0700 [thread overview]
Message-ID: <CAE-0n52raCkcBxz0nfdtGK_kR+cQptT5dVXgDBj2fhCySQOVTQ@mail.gmail.com> (raw)
In-Reply-To: <20211011201642.167700-1-marijn.suijten@somainline.org>
Quoting Marijn Suijten (2021-10-11 13:16:40)
> 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 <marijn.suijten@somainline.org>
> ---
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
prev parent reply other threads:[~2021-10-12 17:30 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-11 20:16 [PATCH v2] drm/msm/dsi: Use division result from div_u64_rem in 7nm and 14nm PLL Marijn Suijten
2021-10-11 20:19 ` AngeloGioacchino Del Regno
2021-10-11 21:09 ` [Freedreno] " abhinavk
2021-10-12 17:30 ` Stephen Boyd [this message]
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