From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id D0401CD5BD0 for ; Sat, 30 May 2026 13:59:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0E71B10E31C; Sat, 30 May 2026 13:59:57 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.b="ouUSjMcx"; dkim-atps=neutral Received: from sea.source.kernel.org (sea.source.kernel.org [172.234.252.31]) by gabe.freedesktop.org (Postfix) with ESMTPS id 18F5010E31C for ; Sat, 30 May 2026 13:59:55 +0000 (UTC) Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with ESMTP id 52AA242A34; Sat, 30 May 2026 13:59:54 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 87B8D1F00893; Sat, 30 May 2026 13:59:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1780149594; bh=EAA8Cng1tHiDU71Bsnv2nxNHGPA4F8O7/bGrv/TxoZk=; h=From:Subject:Date:To:Cc; b=ouUSjMcxP/WdDHjzVwSe7/7fquFllZ3T/M9TzeCFtsaHT2/kqwyEnNXAnkjMLLdOC MZWVPhCAb84+ys3Xx2DKlMbbfkwNOIu/47XLsThWBXS9pGjPf2x8RMCLg1gwiUd/di 7SUakavt7Tp94UXcGP8U5s9z17KjwuuSVlqOCK+ihwDvUeGxhGRTwAikYRUjciynvb fFfMlaqyYuZP6fJjC7aVNRog+qd3sM5dEclOTM23ZVjvnzSDUwVT2SBiYyL1BjFbak SNfcnfAP6xIhbf/56hOgM/rIf9ai2ICy4tcFxy+kW3jdQrbxorCAA5es5TYbew/ZSv nmVZQSw2+wpnw== From: Maxime Ripard Subject: [PATCH 00/76] drm/bridge: Convert all reset users to create_state Date: Sat, 30 May 2026 15:59:05 +0200 Message-Id: <20260530-drm-no-more-bridge-reset-v1-0-875d828d31bc@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAAAAAAAC/x2MwQqDQAwFf0VyNpCm2kJ/RTxY92lzcLdkRQTx3 108DszMQRluyPSpDnJsli3FAo+6ovE3xBlsoTCp6Evap3DwhWPiJTn46xaK4chYeRxUQgvVdyN U8r9jsv1ed/15Xjs3gQ9qAAAA X-Change-ID: 20260530-drm-no-more-bridge-reset-ca20d5e22740 To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , Luca Ceresoli , Maarten Lankhorst , Thomas Zimmermann , David Airlie , Simona Vetter Cc: Dmitry Baryshkov , dri-devel@lists.freedesktop.org, Maxime Ripard , Jagan Teki , Liu Ying , Frank Li , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, Andy Yan , Phong LE , Douglas Anderson , Inki Dae , Marek Szyprowski , Philipp Zabel , Paul Cercueil , linux-mips@vger.kernel.org, Chun-Kuang Hu , Matthias Brugger , AngeloGioacchino Del Regno , linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, Kevin Hilman , Jerome Brunet , Martin Blumenstingl , linux-amlogic@lists.infradead.org, Laurent Pinchart , Tomi Valkeinen , Geert Uytterhoeven , Magnus Damm , Kieran Bingham , linux-renesas-soc@vger.kernel.org, Biju Das , Sandy Huang , =?utf-8?q?Heiko_St=C3=BCbner?= , linux-rockchip@lists.infradead.org, Yannick Fertre , Raphael Gallais-Pou , Philippe Cornu , Maxime Coquelin , Alexandre Torgue , linux-stm32@st-md-mailman.stormreply.com, Jyri Sarha , Tomi Valkeinen , Dave Stevenson , =?utf-8?q?Ma=C3=ADra_Canal?= , Raspberry Pi Kernel Maintenance , Icenowy Zheng , Laurent Pinchart , Michal Simek X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=openpgp-sha256; l=9737; i=mripard@kernel.org; h=from:subject:message-id; bh=5mdpzx6AnIdXlXtHiMk6gtXCaV0Ggi5q17pXlWPT+Uk=; b=owGbwMvMwCmsHn9OcpHtvjLG02pJDFlSb01r+u3jJBcsVzl6eIHvJglnRfPCFSKp/sWLitVe3 V+atu5ox1QWBmFOBlkxRZYnMmGnl7cvrnKwX/kDZg4rE8gQBi5OAZiIXRxjwzp9nkOtcyMmtdgd a91d0aoc6u5wjM0qR8ZrjsJq7c9muTsb0i1v2+YtftNc7l9/fTYrY8O2eRzqvy5sn3mhruGz9Oy CfVVqOiEps4XcVVd6rDiRNvOQW0oEl2zaers8zblFe8+e0wAA X-Developer-Key: i=mripard@kernel.org; a=openpgp; fpr=BE5675C37E818C8B5764241C254BCFC56BF6CE8D X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Hi, All the bridges use reset to create a blank state only and don't use it to reset the hardware at all. This is what the new atomic_create_state is exactly supposed to be doing, so we can convert all existing bridge users to it, and remove the reset hook and helpers. Let me know what you think, Maxime Signed-off-by: Maxime Ripard --- Maxime Ripard (76): drm/atomic-state-helper: Rename __drm_atomic_helper_bridge_reset() drm/atomic-state-helper: Reorder __drm_atomic_helper_bridge_state_init() arguments drm/atomic-state-helper: Drop memset from __drm_atomic_helper_bridge_state_init() drm/bridge: Add new atomic_create_state callback drm/atomic-state-helper: Add drm_atomic_helper_bridge_create_state() drm/bridge: adv7511: Switch to atomic_create_state drm/bridge: analogix_dp: Switch to atomic_create_state drm/bridge: anx7625: Switch to atomic_create_state drm/bridge: chipone-icn6211: Switch to atomic_create_state drm/bridge: display-connector: Switch to atomic_create_state drm/bridge: fsl-ldb: Switch to atomic_create_state drm/bridge: imx8mp-hdmi-pvi: Switch to atomic_create_state drm/bridge: imx8qm-ldb: Switch to atomic_create_state drm/bridge: imx8qxp-ldb: Switch to atomic_create_state drm/bridge: imx8qxp-pixel-combiner: Switch to atomic_create_state drm/bridge: imx8qxp-pixel-link: Switch to atomic_create_state drm/bridge: imx8qxp-pxl2dpi: Switch to atomic_create_state drm/bridge: inno-hdmi: Switch to atomic_create_state drm/bridge: ite-it6263: Switch to atomic_create_state drm/bridge: ite-it6505: Switch to atomic_create_state drm/bridge: ite-it66121: Switch to atomic_create_state drm/bridge: lontium-lt9211: Switch to atomic_create_state drm/bridge: lontium-lt9611: Switch to atomic_create_state drm/bridge: lvds-codec: Switch to atomic_create_state drm/bridge: nwl-dsi: Switch to atomic_create_state drm/bridge: panel: Switch to atomic_create_state drm/bridge: parade-ps8640: Switch to atomic_create_state drm/bridge: samsung-dsim: Switch to atomic_create_state drm/bridge: sii902x: Switch to atomic_create_state drm/bridge: ssd2825: Switch to atomic_create_state drm/bridge: dw-dp: Switch to atomic_create_state drm/bridge: dw-hdmi-qp: Switch to atomic_create_state drm/bridge: dw-hdmi: Switch to atomic_create_state drm/bridge: dw-mipi-dsi: Switch to atomic_create_state drm/bridge: dw-mipi-dsi2: Switch to atomic_create_state drm/bridge: tc358762: Switch to atomic_create_state drm/bridge: tc358767: Switch to atomic_create_state drm/bridge: tc358768: Switch to atomic_create_state drm/bridge: tc358775: Switch to atomic_create_state drm/bridge: ti-dlpc3433: Switch to atomic_create_state drm/bridge: ti-sn65dsi83: Switch to atomic_create_state drm/bridge: ti-sn65dsi86: Switch to atomic_create_state drm/bridge: ti-tdp158: Switch to atomic_create_state drm/bridge: ti-tfp410: Switch to atomic_create_state drm/imx: parallel-display: Switch to atomic_create_state drm/ingenic: Switch to atomic_create_state drm/mediatek: dp: Switch to atomic_create_state drm/mediatek: dpi: Switch to atomic_create_state drm/mediatek: dsi: Switch to atomic_create_state drm/mediatek: hdmi: Switch to atomic_create_state drm/mediatek: hdmi_v2: Switch to atomic_create_state drm/meson: encoder_cvbs: Switch to atomic_create_state drm/meson: encoder_dsi: Switch to atomic_create_state drm/meson: encoder_hdmi: Switch to atomic_create_state drm/msm: dp: Switch to atomic_create_state drm/msm: hdmi: Switch to atomic_create_state drm/omap: hdmi4: Switch to atomic_create_state drm/omap: hdmi5: Switch to atomic_create_state drm/renesas: rcar-du: lvds: Switch to atomic_create_state drm/renesas: rcar-du: mipi_dsi: Switch to atomic_create_state drm/renesas: rz-du: mipi_dsi: Switch to atomic_create_state drm/rockchip: cdn-dp: Switch to atomic_create_state drm/rockchip: rk3066_hdmi: Switch to atomic_create_state drm/rockchip: lvds: Switch to atomic_create_state drm/stm: lvds: Switch to atomic_create_state drm/tests: bridge: Switch to atomic_create_state drm/tidss: encoder: Switch to atomic_create_state drm/tidss: oldi: Switch to atomic_create_state drm/vc4: dsi: Switch to atomic_create_state drm/verisilicon: Switch to atomic_create_state drm/xlnx: zynqmp_dp: Switch to atomic_create_state drm/atomic-state-helper: Remove drm_atomic_helper_bridge_reset() drm/bridge: cdns-dsi: Use __drm_atomic_helper_bridge_state_init() drm/bridge: cdns-dsi: Switch to atomic_create_state drm/bridge: cdns-mhdp8546: Switch to atomic_create_state drm/bridge: Remove atomic_reset support drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 2 +- drivers/gpu/drm/bridge/analogix/analogix_dp_core.c | 2 +- drivers/gpu/drm/bridge/analogix/anx7625.c | 2 +- drivers/gpu/drm/bridge/cadence/cdns-dsi-core.c | 9 +++--- .../gpu/drm/bridge/cadence/cdns-mhdp8546-core.c | 8 +++--- drivers/gpu/drm/bridge/chipone-icn6211.c | 2 +- drivers/gpu/drm/bridge/display-connector.c | 2 +- drivers/gpu/drm/bridge/fsl-ldb.c | 2 +- drivers/gpu/drm/bridge/imx/imx8mp-hdmi-pvi.c | 2 +- drivers/gpu/drm/bridge/imx/imx8qm-ldb.c | 2 +- drivers/gpu/drm/bridge/imx/imx8qxp-ldb.c | 2 +- .../gpu/drm/bridge/imx/imx8qxp-pixel-combiner.c | 2 +- drivers/gpu/drm/bridge/imx/imx8qxp-pixel-link.c | 2 +- drivers/gpu/drm/bridge/imx/imx8qxp-pxl2dpi.c | 2 +- drivers/gpu/drm/bridge/inno-hdmi.c | 2 +- drivers/gpu/drm/bridge/ite-it6263.c | 2 +- drivers/gpu/drm/bridge/ite-it6505.c | 2 +- drivers/gpu/drm/bridge/ite-it66121.c | 2 +- drivers/gpu/drm/bridge/lontium-lt9211.c | 2 +- drivers/gpu/drm/bridge/lontium-lt9611.c | 2 +- drivers/gpu/drm/bridge/lvds-codec.c | 2 +- drivers/gpu/drm/bridge/nwl-dsi.c | 2 +- drivers/gpu/drm/bridge/panel.c | 2 +- drivers/gpu/drm/bridge/parade-ps8640.c | 2 +- drivers/gpu/drm/bridge/samsung-dsim.c | 2 +- drivers/gpu/drm/bridge/sii902x.c | 2 +- drivers/gpu/drm/bridge/ssd2825.c | 2 +- drivers/gpu/drm/bridge/synopsys/dw-dp.c | 2 +- drivers/gpu/drm/bridge/synopsys/dw-hdmi-qp.c | 2 +- drivers/gpu/drm/bridge/synopsys/dw-hdmi.c | 2 +- drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c | 2 +- drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi2.c | 2 +- drivers/gpu/drm/bridge/tc358762.c | 2 +- drivers/gpu/drm/bridge/tc358767.c | 4 +-- drivers/gpu/drm/bridge/tc358768.c | 2 +- drivers/gpu/drm/bridge/tc358775.c | 2 +- drivers/gpu/drm/bridge/ti-dlpc3433.c | 2 +- drivers/gpu/drm/bridge/ti-sn65dsi83.c | 2 +- drivers/gpu/drm/bridge/ti-sn65dsi86.c | 2 +- drivers/gpu/drm/bridge/ti-tdp158.c | 2 +- drivers/gpu/drm/bridge/ti-tfp410.c | 2 +- drivers/gpu/drm/drm_atomic_state_helper.c | 33 ++++++++++++---------- drivers/gpu/drm/drm_bridge.c | 4 +-- drivers/gpu/drm/imx/ipuv3/parallel-display.c | 2 +- drivers/gpu/drm/ingenic/ingenic-drm-drv.c | 2 +- drivers/gpu/drm/mediatek/mtk_dp.c | 2 +- drivers/gpu/drm/mediatek/mtk_dpi.c | 2 +- drivers/gpu/drm/mediatek/mtk_dsi.c | 2 +- drivers/gpu/drm/mediatek/mtk_hdmi.c | 2 +- drivers/gpu/drm/mediatek/mtk_hdmi_v2.c | 2 +- drivers/gpu/drm/meson/meson_encoder_cvbs.c | 2 +- drivers/gpu/drm/meson/meson_encoder_dsi.c | 2 +- drivers/gpu/drm/meson/meson_encoder_hdmi.c | 2 +- drivers/gpu/drm/msm/dp/dp_drm.c | 4 +-- drivers/gpu/drm/msm/hdmi/hdmi_bridge.c | 2 +- drivers/gpu/drm/omapdrm/dss/hdmi4.c | 2 +- drivers/gpu/drm/omapdrm/dss/hdmi5.c | 2 +- drivers/gpu/drm/renesas/rcar-du/rcar_lvds.c | 2 +- drivers/gpu/drm/renesas/rcar-du/rcar_mipi_dsi.c | 2 +- drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c | 2 +- drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +- drivers/gpu/drm/rockchip/rk3066_hdmi.c | 2 +- drivers/gpu/drm/rockchip/rockchip_lvds.c | 2 +- drivers/gpu/drm/stm/lvds.c | 2 +- drivers/gpu/drm/tests/drm_bridge_test.c | 2 +- drivers/gpu/drm/tidss/tidss_encoder.c | 2 +- drivers/gpu/drm/tidss/tidss_oldi.c | 2 +- drivers/gpu/drm/vc4/vc4_dsi.c | 2 +- drivers/gpu/drm/verisilicon/vs_bridge.c | 4 +-- drivers/gpu/drm/xlnx/zynqmp_dp.c | 2 +- include/drm/drm_atomic_state_helper.h | 6 ++-- include/drm/drm_bridge.h | 33 ++++++++-------------- 72 files changed, 111 insertions(+), 120 deletions(-) --- base-commit: 21fcb222f0d1e1c9f5b04c09e9fb3408e13a0264 change-id: 20260530-drm-no-more-bridge-reset-ca20d5e22740 Best regards, -- Maxime Ripard