linux-kernel - Re: [PATCH v3 0/5] mxsfb/nwl/panels: media bus format fixes

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Message-ID: <YWVhraJCUr/h69OX@qwark.sigxcpu.org>
Date:   Tue, 12 Oct 2021 12:21:33 +0200
From:   Guido Günther <agx@...xcpu.org>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     Neil Armstrong <narmstrong@...libre.com>,
        Robert Foss <robert.foss@...aro.org>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        Jonas Karlman <jonas@...boo.se>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Marek Vasut <marex@...x.de>,
        Stefan Agner <stefan@...er.ch>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        Ondrej Jirman <megous@...ous.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 0/5] mxsfb/nwl/panels: media bus format fixes

Hi Sam,
On Mon, Oct 11, 2021 at 06:56:00PM +0200, Sam Ravnborg wrote:
> Hi Guido,
> 
> On Mon, Oct 11, 2021 at 03:41:22PM +0200, Guido Günther wrote:
> > commit b776b0f00f24 ("drm: mxsfb: Use bus_format from the nearest bridge if
> > present") added bus format probing to mxsfb this exposed several issues in the
> > display stack as used on the Librem 5:
> > 
> > The nwl bridge and the panels didn't bother to set any media bus formats and in
> > that case mxsfb would not pick a reasonable default. This series aims to fix
> > this.
> > 
> > This series includes the patch from
> > https://lore.kernel.org/dri-devel/YVLYh%2FSgBritG%2FRJ@qwark.sigxcpu.org/
> > with a `dev_warn` added.
> > 
> > The patches are against 5.15-rc3. I've marked a single patch with a 'fixes'
> > which is enough to unbreak the display stack in 5.15.
> > 
> > All patches of this series can be applied independently.
> > 
> > Changes from v1:
> > - Review comment by Marek Vasut
> >   https://lore.kernel.org/dri-devel/67e6056a-6157-795d-908d-d65cc803c03d@denx.de/
> >   Improve warning message
> > - Move mxsfb patches to the end of the queue and the actual nwl fix to the
> >   front.
> > 
> > Changes from v2:
> > - Review comments by Lucas Stach
> >   https://lore.kernel.org/dri-devel/cover.1633332399.git.agx@sigxcpu.org/T/#m961c22bf2a437a16b29214913d6f0d523fbe88e2
> >   Drop fixes tag from mxsfb driver and tweak commit message
> > - Add Reviewed-by from Lucas
> >   https://lore.kernel.org/dri-devel/cover.1633332399.git.agx@sigxcpu.org/T/#m9f3337a673ae1adbb1f0152a48270b0e1104b0c1
> >   https://lore.kernel.org/dri-devel/cover.1633332399.git.agx@sigxcpu.org/T/#m5706d5b93cb6879b6bb4a1810b88800fe4180f74
> >   https://lore.kernel.org/dri-devel/cover.1633332399.git.agx@sigxcpu.org/T/#m961c22bf2a437a16b29214913d6f0d523fbe88e2
> > - Add Reviewd-by from Rober Foss
> >   https://lore.kernel.org/dri-devel/CAG3jFyteqcPNZqrFsggCrnpDfsGGQvibfHBezW+1Hcf3-z91QQ@mail.gmail.com/
> > 
> > 
> > 
> > Guido Günther (5):
> >   drm/bridge: nwl-dsi: Add atomic_get_input_bus_fmts
> >   drm/panel: mantix: Add media bus format
> >   drm/panel: st7703: Add media bus format
> >   drm: mxsfb: Print failed bus format in hex
> >   drm: mxsfb: Set fallback bus format when the bridge doesn't provide
> >     one
> 
> Full series are:
> Reviewed-by: Sam Ravnborg <sam@...nborg.org>

Pushed the whole series to drm-misc-next.
Thanks,
 -- Guido

> 
> 	Sam
>