linux-kernel - Re: [PATCH v2] drm/bridge: anx7625: Set downstream sink into normal status

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Date:   Fri, 25 Mar 2022 14:29:12 +0800
From:   Xin Ji <xji@...logixsemi.com>
To:     Robert Foss <robert.foss@...aro.org>
Cc:     Chen-Yu Tsai <wenst@...omium.org>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        dri-devel@...ts.freedesktop.org, Jonas Karlman <jonas@...boo.se>,
        David Airlie <airlied@...ux.ie>, qwen@...logixsemi.com,
        Neil Armstrong <narmstrong@...libre.com>,
        linux-kernel@...r.kernel.org,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        treapking@...omium.org, pihsun@...omium.org,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Andrzej Hajda <andrzej.hajda@...el.com>, tzungbi@...gle.com,
        bliang@...logixsemi.com
Subject: Re: [PATCH v2] drm/bridge: anx7625: Set downstream sink into normal
 status

On Thu, Mar 24, 2022 at 01:07:56PM +0100, Robert Foss wrote:
> > > > > The driver uses DRM_DEV_* for logs. Can we use this?
> > > > Hi Hsin-Yi, as comment in drm/drm_print.h:
> > > > "NOTE: this is deprecated in favor of drm_dbg". DRM bridge driver not
> > > > use DRM_DEV_* any more. I'll send a patch to replace all of DRM_DEV_*
> > > > later.
> > >
> > > drm_dbg is better than dev_dbg though. With the former, you still get the
> > > option to control it with the drm.debug module parameter, unlike the latter
> > > which normally gets compiled out.
> > >
> > > Please use drm_dbg*.
> > >
> > > ChenYu
> >
> > Hi ChenYu, the parameter of drm_dbg is "drm", if use drm_dbg, it will
> > change more code, I'll consider to upstream new patch to replace all of
> > them later.
> >
> 
> Alright, since the driver already uses these logging functions, let's
> apply this patch and fix the logging function this driver uses in a
> separate series.
> 
> Xin: Can you submit a patch/series that converts this driver to use
> drm_dbg* functions instead?
Hi Robert Foss, OK, I'll submit patch after this patch get merged.
Thanks,
Xin