linux-kernel - Re: [PATCH v4 4/4] drm/panel: jd9365da: Add the function of adjusting orientation

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Message-ID: <CAD=FV=UjFvi53W2gkfhJTz10ALSsR=E+9ZLCH_8KCr9h5bHSaQ@mail.gmail.com>
Date: Fri, 21 Jun 2024 12:33:49 -0700
From: Doug Anderson <dianders@...gle.com>
To: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
Cc: dmitry.torokhov@...il.com, robh@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, jikos@...nel.org, 
	benjamin.tissoires@...hat.co, hsinyi@...gle.com, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 4/4] drm/panel: jd9365da: Add the function of adjusting orientation

Hi,

On Thu, Jun 20, 2024 at 1:05 AM Zhaoxiong Lv
<lvzhaoxiong@...qin.corp-partner.google.com> wrote:
>
> @@ -893,6 +901,12 @@ static int jadard_dsi_probe(struct mipi_dsi_device *dsi)
>         drm_panel_init(&jadard->panel, dev, &jadard_funcs,
>                        DRM_MODE_CONNECTOR_DSI);
>
> +       ret = of_drm_get_panel_orientation(dev->of_node, &jadard->orientation);
> +       if (ret < 0) {
> +               dev_err(dev, "%pOF: failed to get orientation %d\n", dev->of_node, ret);
> +               return ret;
> +       }

nit: use dev_err_probe(). Also no need to include a %pOF, AKA:

if (ret < 0)
  return dev_err_probe(dev, ret, "Failed to get orientation\n");