linux-kernel - Re: [PATCH 1/5] drm/bridge: samsung-dsim: add more mipi-dsi device debug information

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Date:   Mon, 4 Sep 2023 10:04:55 +0900
From:   Inki Dae <daeinki@...il.com>
To:     Adam Ford <aford173@...il.com>
Cc:     Michael Tretter <m.tretter@...gutronix.de>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Robert Foss <rfoss@...nel.org>,
        Jonas Karlman <jonas@...boo.se>,
        dri-devel@...ts.freedesktop.org,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Marco Felsch <m.felsch@...gutronix.de>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        linux-kernel@...r.kernel.org,
        Jagan Teki <jagan@...rulasolutions.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>, kernel@...gutronix.de,
        Marek Szyprowski <m.szyprowski@...sung.com>
Subject: Re: [PATCH 1/5] drm/bridge: samsung-dsim: add more mipi-dsi device
 debug information

2023년 8월 29일 (화) 오전 7:38, Adam Ford <aford173@...il.com>님이 작성:
>
> On Mon, Aug 28, 2023 at 10:59 AM Michael Tretter
> <m.tretter@...gutronix.de> wrote:
> >
> > From: Marco Felsch <m.felsch@...gutronix.de>
> >
> > Since the MIPI configuration can be changed on demand it is very useful
> > to print more MIPI settings during the MIPI device attach step.
> >
> > Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
> > Signed-off-by: Michael Tretter <m.tretter@...gutronix.de>
>
> Reviewed-by: Adam Ford <aford173@...il.com>  #imx8mm-beacon
> Tested-by: Adam Ford <aford173@...il.com>  #imx8mm-beacon

Reviewed-by: Inki Dae <inki.dae@...sung.com>
Acked-by: Inki Dae <inki.dae@...sung.com>

>
> > ---
> >  drivers/gpu/drm/bridge/samsung-dsim.c | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/gpu/drm/bridge/samsung-dsim.c b/drivers/gpu/drm/bridge/samsung-dsim.c
> > index 73ec60757dbc..6778f1751faa 100644
> > --- a/drivers/gpu/drm/bridge/samsung-dsim.c
> > +++ b/drivers/gpu/drm/bridge/samsung-dsim.c
> > @@ -1711,7 +1711,10 @@ static int samsung_dsim_host_attach(struct mipi_dsi_host *host,
> >                 return ret;
> >         }
> >
> > -       DRM_DEV_INFO(dev, "Attached %s device\n", device->name);
> > +       DRM_DEV_INFO(dev, "Attached %s device (lanes:%d bpp:%d mode-flags:0x%lx)\n",
> > +                    device->name, device->lanes,
> > +                    mipi_dsi_pixel_format_to_bpp(device->format),
> > +                    device->mode_flags);
> >
> >         drm_bridge_add(&dsi->bridge);
> >
> >
> > --
> > 2.39.2
> >