[PATCH v3 0/5] mxsfb/nwl/panels: media bus format fixes

[Sam Ravnborg]

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 at ravnborg.org>

	Sam