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* [PATCH v2 00/59] drm/connector: Convert all drivers to atomic_create_state and remove reset
@ 2026-10-22 12:30 Maxime Ripard
  2026-10-22 12:31 ` [PATCH v2 01/59] drm/hdmi: Change __drm_atomic_helper_connector_hdmi_state_init parameter order Maxime Ripard
                   ` (58 more replies)
  0 siblings, 59 replies; 70+ messages in thread
From: Maxime Ripard @ 2026-10-22 12:30 UTC (permalink / raw)
  To: Maarten Lankhorst, Thomas Zimmermann, David Airlie, Simona Vetter
  Cc: dri-devel, Maxime Ripard, Maíra Canal, Dave Stevenson,
	Raspberry Pi Kernel Maintenance, Ruben Wauters, Chen-Yu Tsai,
	Samuel Holland, linux-sunxi, Christian König, Alex Deucher,
	amd-gfx, Andrew Jeffery, Joel Stanley, Dave Airlie,
	Jocelyn Falempe, Russell King, Alim Akhtar, Inki Dae,
	Krzysztof Kozlowski, Kyungmin Park, Peter Griffin, Seung-Woo Kim,
	linux-samsung-soc, Alison Wang, Stefan Agner, Tian Tao,
	Xinwei Kong, Yongbang Shi, Paul Kocialkowski, Huacai Chen,
	Icenowy Zheng, Jianmin Lv, Mingcong Bai, Qianhai Wu, Xi Ruoyao,
	Gerd Hoffmann, spice-devel, virtualization, Geert Uytterhoeven,
	linux-renesas-soc, Marcus Folkesson, Iker Pedrosa, Alain Volmat,
	Raphael Gallais-Pou, Jonathan Hunter, Mikko Perttunen,
	Thierry Reding, linux-tegra, Alexey Brodkin, Hans de Goede,
	LiangCheng Wang, Alex Lanzano, Sean Paul, Chia-I Wu,
	Dmitry Osipenko, Gurchetan Singh, Haneen Mohammed, Louis Chauvet,
	Melissa Wen, Oleksandr Andrushchenko, Jerome Brunet, Kevin Hilman,
	Martin Blumenstingl, linux-amlogic, Harry Wentland, Leo Li,
	Rodrigo Siqueira, Jani Nikula, Joonas Lahtinen, Rodrigo Vivi,
	Tvrtko Ursulin, intel-gfx, intel-xe, Danilo Krummrich, Lyude Paul,
	nouveau

This is a follow-up to the plane and CRTC reset removal series, and
part of a larger effort to remove the reset hook from all KMS objects.

The connector reset hook is overloaded: it is called both at probe
time to create the initial software state and during suspend/resume to
reset hardware and software state. These two roles have different
requirements, and the reset hook is not fallible, making error
handling difficult for the initial state allocation path.

While reset has the semantics to reset both the software and hardware
state, the vast majority of implementations and all the helpers only
reset the software state, making them equivalent to
atomic_create_state in practice. The atomic_create_state hook makes
this explicit: it only allocates and initializes a pristine state
without any side effect, and returns the state pointer or an ERR_PTR
on failure.

This series converts all connector drivers tree-wide from the reset hook
to atomic_create_state, then removes the reset hook from struct
drm_connector_funcs entirely. The conversions were done using a
combination of Coccinelle semantic patches, mechanical one-line
replacements and manual adjustments.

Signed-off-by: Maxime Ripard <mripard@kernel.org>
---
Changes in v2:
- Change the parameter order of __drm_atomic_helper_connector_hdmi_state_init
- Fixed state argument casing for drm_atomic_helper_connector_tv_margins_state_init
  and drm_atomic_helper_connector_tv_state_init
- Put atomic_create_state before atomic_duplicate_state
- Fix state allocation for MST and WB connectors
- Link to v1:
  https://lore.kernel.org/r/20261014-drm-no-more-connector-reset-v1-0-586c9c026823@kernel.org

---
Maxime Ripard (59):
      drm/hdmi: Change __drm_atomic_helper_connector_hdmi_state_init parameter order
      drm/atomic-state-helper: Rename connector_tv_margins_reset to state_init
      drm/atomic-state-helper: Rename connector_tv_reset to state_init
      drm/panel: Add atomic_create_state support
      drm/amdgpu: vkms: Switch to drm_atomic_helper_connector_create_state
      drm/aspeed: Switch to drm_atomic_helper_connector_create_state
      drm/ast: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: analogix-anx6345: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: analogix-anx78xx: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: chrontel-ch7033: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: nxp-ptn3460: Switch to drm_atomic_helper_connector_create_state
      drm/panel: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: synopsys: dw-hdmi: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: tc358767: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: tda998x: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: ti-tfp410: Switch to drm_atomic_helper_connector_create_state
      drm/exynos: Switch to drm_atomic_helper_connector_create_state
      drm/fsl-dcu: Switch to drm_atomic_helper_connector_create_state
      drm/hisilicon: hibmc: Switch to drm_atomic_helper_connector_create_state
      drm/logicvc: Switch to drm_atomic_helper_connector_create_state
      drm/loongson: Switch to drm_atomic_helper_connector_create_state
      drm/mgag200: Switch to drm_atomic_helper_connector_create_state
      drm/mipi-dbi: Switch to drm_atomic_helper_connector_create_state
      drm/qxl: Switch to drm_atomic_helper_connector_create_state
      drm/renesas: shmobile: Switch to drm_atomic_helper_connector_create_state
      drm/sitronix: st7571: Switch to drm_atomic_helper_connector_create_state
      drm/sitronix: st7920: Switch to drm_atomic_helper_connector_create_state
      drm/sti: Switch to drm_atomic_helper_connector_create_state
      drm/sun4i: Switch to drm_atomic_helper_connector_create_state
      drm/tegra: Switch to drm_atomic_helper_connector_create_state
      drm/tests: Switch to drm_atomic_helper_connector_create_state
      drm/tiny: arcpgu: Switch to drm_atomic_helper_connector_create_state
      drm/tiny: bochs: Switch to drm_atomic_helper_connector_create_state
      drm/tiny: cirrus: Switch to drm_atomic_helper_connector_create_state
      drm/tiny: gm12u320: Switch to drm_atomic_helper_connector_create_state
      drm/tiny: pixpaper: Switch to drm_atomic_helper_connector_create_state
      drm/tiny: repaper: Switch to drm_atomic_helper_connector_create_state
      drm/tiny: sharp: Switch to drm_atomic_helper_connector_create_state
      drm/udl: Switch to drm_atomic_helper_connector_create_state
      drm/vboxvideo: Switch to drm_atomic_helper_connector_create_state
      drm/virtio: Switch to drm_atomic_helper_connector_create_state
      drm/vkms: Switch to drm_atomic_helper_connector_create_state
      drm/xen: Switch to drm_atomic_helper_connector_create_state
      drm/bridge: synopsys: dw-hdmi: Convert to atomic_create_state
      drm/meson: Convert to atomic_create_state
      drm/gud: Convert to atomic_create_state
      drm/sun4i: hdmi: Convert to atomic_create_state
      drm/sun4i: tv: Convert to atomic_create_state
      drm/tests: hdmi: Convert to atomic_create_state
      drm/vc4: hdmi: Convert to atomic_create_state
      drm/vc4: vec: Convert to atomic_create_state
      drm/connector: Remove drm_atomic_helper_connector_reset()
      drm/amdgpu: dm: Convert to atomic_create_state
      drm/ast: Convert to atomic_create_state
      drm/i915: Convert to atomic_create_state
      drm/nouveau: Convert to atomic_create_state
      drm/tegra: Convert to atomic_create_state
      drm/connector: Remove __drm_atomic_helper_connector_reset()
      drm/connector: Remove reset

 drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c           |  2 +-
 .../amd/display/amdgpu_dm/amdgpu_dm_connector.c    | 32 ++++----
 .../amd/display/amdgpu_dm/amdgpu_dm_connector.h    |  3 +-
 .../amd/display/amdgpu_dm/amdgpu_dm_mst_types.c    | 11 ++-
 .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_wb.c   | 17 +++-
 .../amdgpu_dm/tests/amdgpu_dm_connector_test.c     | 90 ++++++++++++++--------
 drivers/gpu/drm/aspeed/aspeed_gfx_out.c            |  2 +-
 drivers/gpu/drm/ast/ast_dp.c                       | 18 ++---
 drivers/gpu/drm/ast/ast_dp501.c                    |  2 +-
 drivers/gpu/drm/ast/ast_sil164.c                   |  2 +-
 drivers/gpu/drm/ast/ast_vga.c                      |  2 +-
 drivers/gpu/drm/bridge/analogix/analogix-anx6345.c |  2 +-
 drivers/gpu/drm/bridge/analogix/analogix-anx78xx.c |  2 +-
 drivers/gpu/drm/bridge/chrontel-ch7033.c           |  2 +-
 drivers/gpu/drm/bridge/nxp-ptn3460.c               |  2 +-
 drivers/gpu/drm/bridge/synopsys/dw-hdmi.c          | 12 ++-
 drivers/gpu/drm/bridge/tc358767.c                  |  2 +-
 drivers/gpu/drm/bridge/tda998x_drv.c               |  2 +-
 drivers/gpu/drm/bridge/ti-tfp410.c                 |  2 +-
 drivers/gpu/drm/display/drm_bridge_connector.c     |  4 +-
 drivers/gpu/drm/display/drm_hdmi_state_helper.c    |  9 +--
 drivers/gpu/drm/drm_atomic_state_helper.c          | 67 ++++------------
 drivers/gpu/drm/drm_connector.c                    |  8 --
 drivers/gpu/drm/drm_mode_config.c                  |  4 +-
 drivers/gpu/drm/drm_panel.c                        | 16 +++-
 drivers/gpu/drm/exynos/exynos_drm_dpi.c            |  2 +-
 drivers/gpu/drm/exynos/exynos_drm_vidi.c           |  2 +-
 drivers/gpu/drm/exynos/exynos_hdmi.c               |  2 +-
 drivers/gpu/drm/fsl-dcu/fsl_dcu_drm_rgb.c          |  2 +-
 drivers/gpu/drm/gud/gud_connector.c                | 20 +++--
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c     |  2 +-
 drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_vdac.c   |  2 +-
 drivers/gpu/drm/i915/display/intel_connector.c     |  6 +-
 drivers/gpu/drm/i915/display/intel_sdvo.c          |  6 +-
 drivers/gpu/drm/logicvc/logicvc_interface.c        |  2 +-
 drivers/gpu/drm/loongson/lsdc_output_7a1000.c      |  2 +-
 drivers/gpu/drm/loongson/lsdc_output_7a2000.c      |  4 +-
 drivers/gpu/drm/meson/meson_encoder_hdmi.c         | 12 ++-
 drivers/gpu/drm/mgag200/mgag200_vga.c              |  2 +-
 drivers/gpu/drm/mgag200/mgag200_vga_bmc.c          |  2 +-
 drivers/gpu/drm/nouveau/dispnv50/disp.c            | 11 ++-
 drivers/gpu/drm/nouveau/nouveau_connector.c        | 27 ++++---
 drivers/gpu/drm/nouveau/nouveau_connector.h        |  3 +-
 drivers/gpu/drm/qxl/qxl_display.c                  |  2 +-
 drivers/gpu/drm/renesas/shmobile/shmob_drm_crtc.c  |  2 +-
 drivers/gpu/drm/sitronix/st7571.c                  |  2 +-
 drivers/gpu/drm/sitronix/st7920.c                  |  2 +-
 drivers/gpu/drm/sti/sti_dvo.c                      |  2 +-
 drivers/gpu/drm/sti/sti_hda.c                      |  2 +-
 drivers/gpu/drm/sti/sti_hdmi.c                     |  2 +-
 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c             | 17 +++-
 drivers/gpu/drm/sun4i/sun4i_lvds.c                 |  2 +-
 drivers/gpu/drm/sun4i/sun4i_rgb.c                  |  2 +-
 drivers/gpu/drm/sun4i/sun4i_tv.c                   | 16 +++-
 drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c             |  2 +-
 drivers/gpu/drm/tegra/dsi.c                        | 17 ++--
 drivers/gpu/drm/tegra/hdmi.c                       |  2 +-
 drivers/gpu/drm/tegra/sor.c                        | 13 ++--
 drivers/gpu/drm/tests/drm_atomic_commit_test.c     |  2 +-
 drivers/gpu/drm/tests/drm_atomic_test.c            |  2 +-
 drivers/gpu/drm/tests/drm_connector_test.c         |  4 +-
 drivers/gpu/drm/tests/drm_hdmi_state_helper_test.c | 17 +++-
 drivers/gpu/drm/tests/drm_probe_helper_test.c      |  2 +-
 drivers/gpu/drm/tiny/arcpgu.c                      |  2 +-
 drivers/gpu/drm/tiny/bochs.c                       |  2 +-
 drivers/gpu/drm/tiny/cirrus-qemu.c                 |  2 +-
 drivers/gpu/drm/tiny/gm12u320.c                    |  2 +-
 drivers/gpu/drm/tiny/pixpaper.c                    |  2 +-
 drivers/gpu/drm/tiny/repaper.c                     |  2 +-
 drivers/gpu/drm/tiny/sharp-memory.c                |  2 +-
 drivers/gpu/drm/udl/udl_modeset.c                  |  2 +-
 drivers/gpu/drm/vboxvideo/vbox_mode.c              |  2 +-
 drivers/gpu/drm/vc4/vc4_hdmi.c                     | 31 ++++++--
 drivers/gpu/drm/vc4/vc4_vec.c                      | 16 +++-
 drivers/gpu/drm/virtio/virtgpu_display.c           |  2 +-
 drivers/gpu/drm/vkms/vkms_connector.c              |  2 +-
 drivers/gpu/drm/vkms/vkms_writeback.c              |  2 +-
 drivers/gpu/drm/xen/xen_drm_front_conn.c           |  2 +-
 include/drm/display/drm_hdmi_state_helper.h        |  4 +-
 include/drm/drm_atomic_state_helper.h              |  9 +--
 include/drm/drm_connector.h                        | 12 ---
 include/drm/drm_mipi_dbi.h                         |  2 +-
 82 files changed, 360 insertions(+), 276 deletions(-)
---
base-commit: 91f52e99824b0beebb48cad51bbda81437af8664
change-id: 20260709-drm-no-more-connector-reset-45ee14d7c62c

Best regards,
-- 
Maxime Ripard <mripard@kernel.org>


^ permalink raw reply	[flat|nested] 70+ messages in thread

end of thread, other threads:[~2026-10-25 10:33 UTC | newest]

Thread overview: 70+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2026-10-22 12:30 [PATCH v2 00/59] drm/connector: Convert all drivers to atomic_create_state and remove reset Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 01/59] drm/hdmi: Change __drm_atomic_helper_connector_hdmi_state_init parameter order Maxime Ripard
2026-10-22 20:57   ` Maíra Canal
2026-10-22 12:31 ` [PATCH v2 02/59] drm/atomic-state-helper: Rename connector_tv_margins_reset to state_init Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 03/59] drm/atomic-state-helper: Rename connector_tv_reset " Maxime Ripard
2026-10-22 21:01   ` Maíra Canal
2026-10-22 12:31 ` [PATCH v2 04/59] drm/panel: Add atomic_create_state support Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 05/59] drm/amdgpu: vkms: Switch to drm_atomic_helper_connector_create_state Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 06/59] drm/aspeed: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 07/59] drm/ast: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 08/59] drm/bridge: analogix-anx6345: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 09/59] drm/bridge: analogix-anx78xx: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 10/59] drm/bridge: chrontel-ch7033: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 11/59] drm/bridge: nxp-ptn3460: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 12/59] drm/panel: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 13/59] drm/bridge: synopsys: dw-hdmi: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 14/59] drm/bridge: tc358767: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 15/59] drm/bridge: tda998x: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 16/59] drm/bridge: ti-tfp410: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 17/59] drm/exynos: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 18/59] drm/fsl-dcu: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 19/59] drm/hisilicon: hibmc: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 20/59] drm/logicvc: " Maxime Ripard
2026-10-25 10:24   ` Paul Kocialkowski
2026-10-22 12:31 ` [PATCH v2 21/59] drm/loongson: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 22/59] drm/mgag200: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 23/59] drm/mipi-dbi: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 24/59] drm/qxl: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 25/59] drm/renesas: shmobile: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 26/59] drm/sitronix: st7571: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 27/59] drm/sitronix: st7920: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 28/59] drm/sti: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 29/59] drm/sun4i: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 30/59] drm/tegra: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 31/59] drm/tests: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 32/59] drm/tiny: arcpgu: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 33/59] drm/tiny: bochs: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 34/59] drm/tiny: cirrus: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 35/59] drm/tiny: gm12u320: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 36/59] drm/tiny: pixpaper: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 37/59] drm/tiny: repaper: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 38/59] drm/tiny: sharp: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 39/59] drm/udl: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 40/59] drm/vboxvideo: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 41/59] drm/virtio: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 42/59] drm/vkms: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 43/59] drm/xen: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 44/59] drm/bridge: synopsys: dw-hdmi: Convert to atomic_create_state Maxime Ripard
2026-10-22 12:57   ` sashiko-bot
2026-10-22 12:31 ` [PATCH v2 45/59] drm/meson: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 46/59] drm/gud: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 47/59] drm/sun4i: hdmi: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 48/59] drm/sun4i: tv: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 49/59] drm/tests: hdmi: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 50/59] drm/vc4: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 51/59] drm/vc4: vec: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 52/59] drm/connector: Remove drm_atomic_helper_connector_reset() Maxime Ripard
2026-10-22 12:50   ` sashiko-bot
2026-10-22 12:31 ` [PATCH v2 53/59] drm/amdgpu: dm: Convert to atomic_create_state Maxime Ripard
2026-10-22 12:57   ` sashiko-bot
2026-10-22 16:17   ` Leo Li
2026-10-22 12:31 ` [PATCH v2 54/59] drm/ast: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 55/59] drm/i915: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 56/59] drm/nouveau: " Maxime Ripard
2026-10-22 12:55   ` sashiko-bot
2026-10-22 12:31 ` [PATCH v2 57/59] drm/tegra: " Maxime Ripard
2026-10-22 12:31 ` [PATCH v2 58/59] drm/connector: Remove __drm_atomic_helper_connector_reset() Maxime Ripard
2026-10-22 12:48   ` sashiko-bot
2026-10-22 12:31 ` [PATCH v2 59/59] drm/connector: Remove reset Maxime Ripard
2026-10-22 12:52   ` sashiko-bot

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