[PATCH v4 0/2] drm/fbdev: Move helpers to clients/ subdirectory

From: Thomas Zimmermann <tzimmermann@suse.de>
To: jfalempe@redhat.com, javierm@redhat.com,
	maarten.lankhorst@linux.intel.com, mripard@kernel.org,
	airlied@gmail.com, simona@ffwll.ch, jani.nikula@linux.intel.com,
	Alexander.Deucher@amd.com
Cc: dri-devel@lists.freedesktop.org, amd-gfx@lists.freedesktop.org,
	linux-arm-kernel@lists.infradead.org,
	linux-samsung-soc@vger.kernel.org,
	intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org,
	linux-arm-msm@vger.kernel.org, freedreno@lists.freedesktop.org,
	nouveau@lists.freedesktop.org,
	linux-rockchip@lists.infradead.org, linux-tegra@vger.kernel.org,
	sashiko-reviews@lists.linux.dev,
	Thomas Zimmermann <tzimmermann@suse.de>
Subject: [PATCH v4 0/2] drm/fbdev: Move helpers to clients/ subdirectory
Date: Mon, 28 Sep 2026 10:01:23 +0200	[thread overview]
Message-ID: <20260928080323.23909-1-tzimmermann@suse.de> (raw)

Helpers for fbdev emulation are still linked into drm_kms_helper.ko,
which is for mode setting. Move the source and header files to the
clients/ subdirectory and link them into drm_client_lib.ko. This has
some fallout throughout drivers, but it's all trivial.

There are 3 module parameters to drm_kms_helper.ko that control fbdev
emulation. For compatibility with existing installations, leave them
in this module.

v4:
- fix the depedendencies from v3
v3:
- remove obsolete dependencies from Kconfig
v2:
- update armada and docs

Thomas Zimmermann (2):
  drm/fbdev: Move fbdev module parameters next to module init
  drm/fbdev: Move fbdev helpers into client library

 Documentation/gpu/drm-kms-helpers.rst         |  6 +--
 drivers/gpu/drm/Kconfig                       |  7 ++--
 drivers/gpu/drm/Makefile                      |  1 -
 drivers/gpu/drm/amd/amdgpu/amdgpu_display.c   |  2 +-
 drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c       |  2 +-
 drivers/gpu/drm/armada/armada_fbdev.c         |  2 +-
 drivers/gpu/drm/clients/Makefile              |  3 +-
 drivers/gpu/drm/clients/drm_fbdev_client.c    |  2 +-
 .../drm_fbdev_helper.c}                       | 34 +---------------
 drivers/gpu/drm/drm_crtc_helper_internal.h    |  9 +++++
 drivers/gpu/drm/drm_fbdev_dma.c               |  2 +-
 drivers/gpu/drm/drm_fbdev_shmem.c             |  2 +-
 drivers/gpu/drm/drm_fbdev_ttm.c               |  2 +-
 drivers/gpu/drm/drm_kms_helper_common.c       | 39 +++++++++++++++++++
 drivers/gpu/drm/exynos/exynos_drm_fbdev.c     |  2 +-
 drivers/gpu/drm/gma500/fbdev.c                |  2 +-
 drivers/gpu/drm/i915/display/intel_fbdev.c    |  2 +-
 drivers/gpu/drm/msm/msm_debugfs.c             |  2 +-
 drivers/gpu/drm/msm/msm_fbdev.c               |  2 +-
 drivers/gpu/drm/nouveau/dispnv50/disp.c       |  1 -
 drivers/gpu/drm/omapdrm/omap_debugfs.c        |  2 +-
 drivers/gpu/drm/omapdrm/omap_fbdev.c          |  2 +-
 drivers/gpu/drm/radeon/radeon_device.c        |  2 +-
 drivers/gpu/drm/radeon/radeon_fbdev.c         |  2 +-
 drivers/gpu/drm/rockchip/rockchip_drm_gem.c   |  2 +-
 drivers/gpu/drm/sitronix/st7571.c             |  1 -
 drivers/gpu/drm/tegra/fbdev.c                 |  2 +-
 drivers/gpu/drm/vboxvideo/vbox_mode.c         |  2 +-
 .../drm_fbdev_helper.h}                       |  4 +-
 29 files changed, 79 insertions(+), 64 deletions(-)
 rename drivers/gpu/drm/{drm_fb_helper.c => clients/drm_fbdev_helper.c} (97%)
 rename include/drm/{drm_fb_helper.h => clients/drm_fbdev_helper.h} (99%)

base-commit: ff831af91674990f9f1814340860e96943d5df1a
prerequisite-patch-id: c67e5d886a47b7d0266d81100837557fda34cb24
prerequisite-patch-id: a5a973e527c88a5b47053d7a72aefe0b550197cb
prerequisite-patch-id: b9adc9622920a3e70168e672c2c92795b3e3a106
prerequisite-patch-id: 5030de433a01c2e99056cadb676a8e2ba35f055a
-- 
2.55.0

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