linux-kernel - Re: [PATCH 0/5] drm/panel: panel-simple: Fix panel-dpi probe error

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Message-ID: <aF0SBNGmTpgtBTC3@gaggiata.pivistrello.it>
Date: Thu, 26 Jun 2025 11:25:24 +0200
From: Francesco Dolcini <francesco@...cini.it>
To: Maxime Ripard <mripard@...nel.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>,
	Jessica Zhang <quic_jesszhan@...cinc.com>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Luca Ceresoli <luca.ceresoli@...tlin.com>,
	Anusha Srivatsa <asrivats@...hat.com>,
	Francesco Dolcini <francesco@...cini.it>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/5] drm/panel: panel-simple: Fix panel-dpi probe error

Hello Maxime,
thanks for the patch

On Wed, Jun 25, 2025 at 08:48:37AM +0200, Maxime Ripard wrote:
> Here's a series fixing (hopefully) the panel-simple regression for
> panels with a panel-dpi compatible.
> 
> It's only build tested, so if you could give that series a try
> Francesco, I'd really appreciate it.

It does not build for me, applied on top of commit ee88bddf7f2f ("Merge tag
'bpf-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf")

  SYNC    include/config/auto.conf.cmd
  CALL    scripts/checksyscalls.sh
  CC      drivers/gpu/drm/drm_of.o
  CC [M]  drivers/gpu/drm/panel/panel-simple.o
  AR      drivers/gpu/drm/built-in.a
  AR      drivers/gpu/built-in.a
  AR      drivers/built-in.a
  AR      built-in.a
  AR      vmlinux.a
  LD      vmlinux.o
  OBJCOPY modules.builtin.modinfo
  GEN     modules.builtin
  GEN     .vmlinux.objs
  MODPOST Module.symvers
ERROR: modpost: "mipi_dsi_bus_type" [drivers/gpu/drm/panel/panel-simple.ko] undefined!
make[2]: *** [scripts/Makefile.modpost:147: Module.symvers] Error 1
make[1]: *** [/home/francesco/Toradex/sources/linux/Makefile:1953: modpost] Error 2
make: *** [Makefile:248: __sub-make] Error 2
[Exit 2]