Re: FAILED: patch "[PATCH] drm/tiny: panel-mipi-dbi: Use drm_client_setup_with_fourcc()" failed to apply to 6.12-stable tree

[Greg KH <gregkh@linuxfoundation.org>]

On Mon, May 19, 2025 at 03:38:23PM +0200, Fabio Estevam wrote:
> Hi Greg and Thomas,
> 
> On Monday, May 19, 2025 09:00 -03, <gregkh@linuxfoundation.org> wrote:
> 
> > 
> > The patch below does not apply to the 6.12-stable tree.
> > If someone wants it applied there, or to any other stable or longterm
> > tree, then please email the backport, including the original git commit
> > id to <stable@vger.kernel.org>.
> > 
> > To reproduce the conflict and resubmit, you may use the following commands:
> > 
> > git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-6.12.y
> > git checkout FETCH_HEAD
> > git cherry-pick -x 9c1798259b9420f38f1fa1b83e3d864c3eb1a83e
> > # <resolve conflicts, build, test, etc.>
> > git commit -s
> > git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2025051936-qualify-waged-4677@gregkh' --subject-prefix 'PATCH 6.12.y' HEAD^..
> 
> Locally,  I am running 6.12 with these two extra dependencies applied:
> 
> commit 8998eedda2539d2528cfebdc7c17eed0ad35b714
> Author: Thomas Zimmermann <tzimmermann@suse.de>
> Date:   Tue Sep 24 09:12:03 2024 +0200
> 
>     drm/fbdev-dma: Support struct drm_driver.fbdev_probe
>     
>     Rework fbdev probing to support fbdev_probe in struct drm_driver
>     and reimplement the old fb_probe callback on top of it. Provide an
>     initializer macro for struct drm_driver that sets the callback
>     according to the kernel configuration.
>     
>     This change allows the common fbdev client to run on top of DMA-
>     based DRM drivers.
>     
>     Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>     Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
>     Link: https://patchwork.freedesktop.org/patch/msgid/20240924071734.98201-6-tzimmermann@suse.de
> 
> 
> commit 1b0caa5f5ac20bcaf82fc89a5c849b21ce3bfdf6
> Author: Thomas Zimmermann <tzimmermann@suse.de>
> Date:   Tue Sep 24 09:12:29 2024 +0200
> 
>     drm/panel-mipi-dbi: Run DRM default client setup
>     
>     Call drm_client_setup() to run the kernel's default client setup
>     for DRM. Set fbdev_probe in struct drm_driver, so that the client
>     setup can start the common fbdev client.
>     
>     v5:
>     - select DRM_CLIENT_SELECTION
>     
>     Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
>     Cc: "Noralf Trønnes" <noralf@tronnes.org>
>     Acked-by: Noralf Trønnes <noralf@tronnes.org>
>     Link: https://patchwork.freedesktop.org/patch/msgid/20240924071734.98201-32-tzimmermann@suse.de
> 
> I have only tested panel-mipi-dbi (the only display available on the board I use). I am unsure if applying these extra patches to linux-6.12 stable is safe or if they could cause issues with other fbdev drivers.

Can you send these as a patch series for us to consider applying?

thanks,

greg k-h