[PATCH 1/4] drm: panel: jadard-jd9365da-h3: Fix panel vendor and model

[Jagan Teki]

On Mon, 23 Jan 2023 at 22:52, Krzysztof Kozlowski
<krzysztof.kozlowski at linaro.org> wrote:
>
> On 23/01/2023 17:40, Jagan Teki wrote:
> > The initial datasheet claimed that chouzhong designed this 10"
> > DSI panel on top of JD9365DA IC, but later Radxa mentioned that
> > chouzhong is the manufacturer.
> >
> > So the actual design of the panel, gsensor, and customized FPC
> > is done by Radxa. The panel model named is Radxa Display 10HD
> > with AD001 is the part number.
> >
> > Fix the binding and panel driver with the proper panel vendor
> > and model.
> >
> > Fixes: <6b818c533dd8> ("drm: panel: Add Jadard JD9365DA-H3 DSI panel")
> > Fixes: <bb3098eead99> ("dt-bindings: display: Document Jadard
>
> Does not look like correct syntax. Did you run checkpatch?

Yes. I did check with --strict as well.

>
> > JD9365DA-H3 DSI panel")
> > Reported-by: Tom Cubie <tom at radxa.com>
> > Signed-off-by: Jagan Teki <jagan at edgeble.ai>
> > ---
> >  .../bindings/display/panel/jadard,jd9365da-h3.yaml  |  4 ++--
> >  drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c    | 13 ++++++++-----
>
> Bindings are always separate.

Correct, but separation here triggers a warning for compatible not found.

>
> >  2 files changed, 10 insertions(+), 7 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml b/Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml
> > index c06902e4fe70..10ba1b813304 100644
> > --- a/Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml
> > +++ b/Documentation/devicetree/bindings/display/panel/jadard,jd9365da-h3.yaml
> > @@ -16,7 +16,7 @@ properties:
> >    compatible:
> >      items:
> >        - enum:
> > -          - chongzhou,cz101b4001
> > +          - radxa,display-10hd-ad001
> >        - const: jadard,jd9365da-h3
> >
> >    reg: true
> > @@ -52,7 +52,7 @@ examples:
> >          #size-cells = <0>;
> >
> >          panel at 0 {
> > -            compatible = "chongzhou,cz101b4001", "jadard,jd9365da-h3";
> > +            compatible = "radxa,display-10hd-ad001", "jadard,jd9365da-h3";
> >              reg = <0>;
> >              vdd-supply = <&lcd_3v3>;
> >              vccio-supply = <&vcca_1v8>;
> > diff --git a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
> > index 48c1702a863b..ea89cecad0cf 100644
> > --- a/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
> > +++ b/drivers/gpu/drm/panel/panel-jadard-jd9365da-h3.c
> > @@ -167,7 +167,7 @@ static const struct drm_panel_funcs jadard_funcs = {
> >       .get_modes = jadard_get_modes,
> >  };
> >
> > -static const struct jadard_init_cmd cz101b4001_init_cmds[] = {
> > +static const struct jadard_init_cmd radxa_display_10hd_ad001_init_cmds[] = {
> >       { .data = { 0xE0, 0x00 } },
> >       { .data = { 0xE1, 0x93 } },
> >       { .data = { 0xE2, 0x65 } },
> > @@ -364,7 +364,7 @@ static const struct jadard_init_cmd cz101b4001_init_cmds[] = {
> >       { .data = { 0xE7, 0x0C } },
> >  };
> >
> > -static const struct jadard_panel_desc cz101b4001_desc = {
> > +static const struct jadard_panel_desc radxa_display_10hd_ad001_desc = {
> >       .mode = {
> >               .clock          = 70000,
> >
> > @@ -384,8 +384,8 @@ static const struct jadard_panel_desc cz101b4001_desc = {
> >       },
> >       .lanes = 4,
> >       .format = MIPI_DSI_FMT_RGB888,
> > -     .init_cmds = cz101b4001_init_cmds,
> > -     .num_init_cmds = ARRAY_SIZE(cz101b4001_init_cmds),
> > +     .init_cmds = radxa_display_10hd_ad001_init_cmds,
> > +     .num_init_cmds = ARRAY_SIZE(radxa_display_10hd_ad001_init_cmds),
> >  };
> >
> >  static int jadard_dsi_probe(struct mipi_dsi_device *dsi)
> > @@ -452,7 +452,10 @@ static void jadard_dsi_remove(struct mipi_dsi_device *dsi)
> >  }
> >
> >  static const struct of_device_id jadard_of_match[] = {
> > -     { .compatible = "chongzhou,cz101b4001", .data = &cz101b4001_desc },
>
> This breaks ABI. When was support for it merged?

It was merged last year, in September

https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=6b818c533dd8615a803a72733eace58fd06e5a3c

Jagan.