From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
To: Bjorn Andersson <bjorn.andersson@linaro.org>
Cc: Andy Gross <agross@kernel.org>, Rob Clark <robdclark@gmail.com>,
Sean Paul <sean@poorly.run>, Rob Herring <robh+dt@kernel.org>,
Jonathan Marek <jonathan@marek.ca>,
David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
"open list:DRM DRIVER FOR MSM ADRENO GPU"
<linux-arm-msm@vger.kernel.org>,
"open list:DRM DRIVER FOR MSM ADRENO GPU"
<dri-devel@lists.freedesktop.org>,
freedreno <freedreno@lists.freedesktop.org>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>
Subject: Re: [PATCH v2 4/4] arm64: dts: sm8250: move bus clock to mdp node for sm8250 target
Date: Mon, 31 May 2021 20:28:56 +0300 [thread overview]
Message-ID: <CAA8EJpqeaLdqT6OpGN7hceL09nLVa9AaUSOu46_g-Cyq6g_RkA@mail.gmail.com> (raw)
In-Reply-To: <YLT5gGKP3lUkpmG8@builder.lan>
On Mon, 31 May 2021 at 17:58, Bjorn Andersson
<bjorn.andersson@linaro.org> wrote:
>
> On Wed 07 Apr 10:01 CDT 2021, Dmitry Baryshkov wrote:
>
> > Move the bus clock to mdp device node,in order to facilitate bus band
> > width scaling on sm8250 target.
> >
> > The parent device MDSS will not vote for bus bw, instead the vote will
> > be triggered by mdp device node. Since a minimum vote is required to
> > turn on bus clock, move the clock node to mdp device from where the
> > votes are requested.
> >
>
> This commit message makes sense for the other commit, where you move the
> "bus" into the mdp. Do you mind me changing this to:
>
> The bus clock is voted by the DPU, so remove it from the MDSS node.
I don't mind, please update the commit message as you see fit.
>
> Regards,
> Bjorn
>
> > Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> > ---
> > arch/arm64/boot/dts/qcom/sm8250.dtsi | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sm8250.dtsi b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> > index 394973e778f7..60fe2eaf06c5 100644
> > --- a/arch/arm64/boot/dts/qcom/sm8250.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sm8250.dtsi
> > @@ -2294,10 +2294,9 @@ mdss: mdss@ae00000 {
> > power-domains = <&dispcc MDSS_GDSC>;
> >
> > clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
> > - <&gcc GCC_DISP_HF_AXI_CLK>,
> > <&gcc GCC_DISP_SF_AXI_CLK>,
> > <&dispcc DISP_CC_MDSS_MDP_CLK>;
> > - clock-names = "iface", "bus", "nrt_bus", "core";
> > + clock-names = "iface", "nrt_bus", "core";
> >
> > assigned-clocks = <&dispcc DISP_CC_MDSS_MDP_CLK>;
> > assigned-clock-rates = <460000000>;
> > --
> > 2.30.2
> >
--
With best wishes
Dmitry
prev parent reply other threads:[~2021-05-31 17:48 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-07 15:01 [PATCH v2 0/4] drm/msm/dpu: always use mdp device to scale bandwidth Dmitry Baryshkov
2021-04-07 15:01 ` [PATCH v2 1/4] drm/msm/dpu: fill missing details in hw catalog for sdm845 and sm8[12]50 Dmitry Baryshkov
2021-04-07 15:01 ` [PATCH v2 2/4] drm/msm/dpu: always use mdp device to scale bandwidth Dmitry Baryshkov
2021-04-07 15:01 ` [PATCH v2 3/4] arm64: dts: sdm845: move bus clock to mdp node for sdm845 target Dmitry Baryshkov
2021-05-28 15:33 ` Dmitry Baryshkov
2021-05-31 14:42 ` Bjorn Andersson
2021-05-31 18:03 ` Dmitry Baryshkov
2021-04-07 15:01 ` [PATCH v2 4/4] arm64: dts: sm8250: move bus clock to mdp node for sm8250 target Dmitry Baryshkov
2021-05-31 14:58 ` Bjorn Andersson
2021-05-31 17:28 ` Dmitry Baryshkov [this message]
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAA8EJpqeaLdqT6OpGN7hceL09nLVa9AaUSOu46_g-Cyq6g_RkA@mail.gmail.com \
--to=dmitry.baryshkov@linaro.org \
--cc=agross@kernel.org \
--cc=airlied@linux.ie \
--cc=bjorn.andersson@linaro.org \
--cc=daniel@ffwll.ch \
--cc=devicetree@vger.kernel.org \
--cc=dri-devel@lists.freedesktop.org \
--cc=freedreno@lists.freedesktop.org \
--cc=jonathan@marek.ca \
--cc=linux-arm-msm@vger.kernel.org \
--cc=robdclark@gmail.com \
--cc=robh+dt@kernel.org \
--cc=sean@poorly.run \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).