linux-kernel - Re: [PATCH v3 1/5] drm/connector: add trailing newlines to drm

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Message-ID: <p3pmpj6a72tinjalmntxjw4cqhltkqux2zjwgwx4sxvvqeitkp@6wqr7aujr4h6>
Date:   Thu, 7 Sep 2023 08:51:44 +0200
From:   Maxime Ripard <mripard@...nel.org>
To:     Jim Cromie <jim.cromie@...il.com>
Cc:     linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        amd-gfx@...ts.freedesktop.org, intel-gvt-dev@...ts.freedesktop.org,
        intel-gfx@...ts.freedesktop.org, daniel.vetter@...ll.ch,
        daniel@...ll.ch, jani.nikula@...el.com,
        ville.syrjala@...ux.intel.com, seanpaul@...omium.org,
        robdclark@...il.com,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        David Airlie <airlied@...il.com>
Subject: Re: [PATCH v3 1/5] drm/connector: add trailing newlines to drm_dbg
 msgs

On Wed, Sep 06, 2023 at 01:02:19PM -0600, Jim Cromie wrote:
> By at least strong convention, a print-buffer's trailing newline says
> "message complete, send it".  The exception (no TNL, followed by a call
> to pr_cont) proves the general rule.
> 
> Most DRM.debug calls already comport with this: 207 DRM_DEV_DEBUG,
> 1288 drm_dbg.  Clean up the remainders, in maintainer sized chunks.
> 
> No functional changes.
> 
> Signed-off-by: Jim Cromie <jim.cromie@...il.com>
> ---
>  drivers/gpu/drm/drm_connector.c | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/drm_connector.c b/drivers/gpu/drm/drm_connector.c
> index f28725736237..14020585bdc0 100644
> --- a/drivers/gpu/drm/drm_connector.c
> +++ b/drivers/gpu/drm/drm_connector.c
> @@ -2925,7 +2925,9 @@ int drm_mode_getconnector(struct drm_device *dev, void *data,
>  						     dev->mode_config.max_width,
>  						     dev->mode_config.max_height);
>  		else
> -			drm_dbg_kms(dev, "User-space requested a forced probe on [CONNECTOR:%d:%s] but is not the DRM master, demoting to read-only probe",
> +			drm_dbg_kms(dev,
> +				    "User-space requested a forced probe on [CONNECTOR:%d:%s] "
> +				    "but is not the DRM master, demoting to read-only probe\n",
>  				    connector->base.id, connector->name);

I'm fine with the general idea behind this patch, but we shouldn't break
the message itself.

See https://www.kernel.org/doc/html/latest/process/coding-style.html#breaking-long-lines-and-strings

Maxime

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