linux-kernel - Re: [PATCH 2/2] arm64: dts: mt8183: Add panel rotation

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Date:   Fri, 17 Jun 2022 22:25:11 +0800
From:   Hsin-Yi Wang <hsinyi@...omium.org>
To:     Matthias Brugger <matthias.bgg@...il.com>
Cc:     Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Hans de Goede <hdegoede@...hat.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        dri-devel@...ts.freedesktop.org,
        linux-mediatek@...ts.infradead.org,
        Rob Clark <robdclark@...omium.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: mt8183: Add panel rotation

On Fri, Jun 17, 2022 at 10:10 PM Matthias Brugger
<matthias.bgg@...il.com> wrote:
>
> Hi Hsin-Yi Wang,
>
> On 06/06/2022 17:29, Hsin-Yi Wang wrote:
> > On Mon, May 30, 2022 at 7:30 PM Hsin-Yi Wang <hsinyi@...omium.org> wrote:
> >>
> >> krane, kakadu, and kodama boards have a default panel rotation.
> >>
> >> Signed-off-by: Hsin-Yi Wang <hsinyi@...omium.org>
> >> Reviewed-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> >> Tested-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> >> ---
> >
> > Hi Matthias,
> >
> > The series ("Add a panel API to return panel orientation") might land
> > in drm-misc. With this series applied, we can add this patch to give
> > the correct default orientation for mt8183 kukui devices.
> > I didn't send this patch again with the series, since they might land
> > in different trees.
> >
>
> I had a look on Linux next (next-20220617) and wasn't able to find the mtk_dsi.c
> changes. What is the status of this?
>
The mtk_dsi change got dropped. The latest is this series:
https://lore.kernel.org/lkml/20220609072722.3488207-1-hsinyi@chromium.org/,
still waiting to be picked or others' comments.

If the dts patch is picked without the drm series, there will be a
WARN, but won't affect boot or display up.


> Regards,
> Matthias
>
> > Thanks.
> >
> >>   arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 1 +
> >>   1 file changed, 1 insertion(+)
> >>
> >> diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> >> index 8d5bf73a9099..f0dd5a06629d 100644
> >> --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> >> +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> >> @@ -276,6 +276,7 @@ panel: panel@0 {
> >>                  avee-supply = <&ppvarp_lcd>;
> >>                  pp1800-supply = <&pp1800_lcd>;
> >>                  backlight = <&backlight_lcd0>;
> >> +               rotation = <270>;
> >>                  port {
> >>                          panel_in: endpoint {
> >>                                  remote-endpoint = <&dsi_out>;
> >> --
> >> 2.36.1.124.g0e6072fb45-goog
> >>