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(unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 3a11ab2aa; Thu, 9 Apr 2026 14:53:12 +0800 (GMT+08:00) From: Damon Ding To: andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, victor.liu@nxp.com, Frank.Li@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de, inki.dae@samsung.com, sw0312.kim@samsung.com, kyungmin.park@samsung.com, krzk@kernel.org, jingoohan1@gmail.com, p.zabel@pengutronix.de, hjc@rock-chips.com, heiko@sntech.de, andy.yan@rock-chips.com Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, kernel@pengutronix.de, festevam@gmail.com, alim.akhtar@samsung.com, dmitry.baryshkov@oss.qualcomm.com, luca.ceresoli@bootlin.com, nicolas.frattaroli@collabora.com, dianders@chromium.org, m.szyprowski@samsung.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-rockchip@lists.infradead.org, Damon Ding Subject: [PATCH v13 02/17] drm/bridge: Move legacy bridge driver out of imx directory for multi-platform use Date: Thu, 9 Apr 2026 14:52:46 +0800 Message-Id: <20260409065301.446670-3-damon.ding@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260409065301.446670-1-damon.ding@rock-chips.com> References: <20260409065301.446670-1-damon.ding@rock-chips.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-HM-Tid: 0a9d71042f5403a3kunmc1f4d654403905 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGRkfTFZPT04YSx9CTUhISB9WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpKQk 1VSktLVUpCWQY+ DKIM-Signature: a=rsa-sha256; b=QcehPbhBNl8l99FsQMd9mLElELV9X+Dup65w+EyBsY+Nim1pvT+M3mn8ILX5nK7I6Rwf2DGUrlXujEKtYum6iAnVkNSifxvVyHPWGBvo93msZPPOw4JXUt+4U/YLiP0p1wNGvjQ3GswSuniNPgvSNkOi2lRpJvI6brn1U1DoiRY=; s=default; c=relaxed/relaxed; d=rock-chips.com; v=1; bh=gp3Lng4fiSaDMkfRaXoGlD8kmAK7OObNPOkFAV9Otno=; h=date:mime-version:subject:message-id:from; Content-Type: text/plain; charset="utf-8" As suggested by Dmitry, the DRM legacy bridge driver can be pulled out of imx/ subdir for multi-platform use. The driver is also renamed to make it more generic and suitable for platforms other than i.MX. Signed-off-by: Damon Ding Suggested-by: Dmitry Baryshkov Reviewed-by: Luca Ceresoli Tested-by: Marek Szyprowski Tested-by: Heiko Stuebner # rk3588 --- Changes in v7: - Rename legacy-bridge to of-display-mode-bridge. - Remove unnecessary API drm_bridge_is_legacy(). Changes in v9: - Fix the Kconfig help text. - Add Tested-by tag. Changes in v10: - Add Reviewed-by tag. Changes in v13: - Rebase after commit 02df94d98ff8 ("drm/imx: parallel-display: add DRM_DISPLAY_HELPER for DRM_IMX_PARALLEL_DISPLAY") - Modify '(on rk3588)' to '# rk3588' for Tested-by tag. --- drivers/gpu/drm/bridge/Kconfig | 10 ++ drivers/gpu/drm/bridge/Makefile | 1 + drivers/gpu/drm/bridge/imx/Kconfig | 10 -- drivers/gpu/drm/bridge/imx/Makefile | 1 - .../gpu/drm/bridge/imx/imx-legacy-bridge.c | 91 ------------------ .../gpu/drm/bridge/of-display-mode-bridge.c | 93 +++++++++++++++++++ drivers/gpu/drm/imx/ipuv3/Kconfig | 4 +- drivers/gpu/drm/imx/ipuv3/imx-ldb.c | 6 +- drivers/gpu/drm/imx/ipuv3/parallel-display.c | 5 +- include/drm/bridge/imx.h | 17 ---- include/drm/bridge/of-display-mode-bridge.h | 17 ++++ 11 files changed, 129 insertions(+), 126 deletions(-) delete mode 100644 drivers/gpu/drm/bridge/imx/imx-legacy-bridge.c create mode 100644 drivers/gpu/drm/bridge/of-display-mode-bridge.c delete mode 100644 include/drm/bridge/imx.h create mode 100644 include/drm/bridge/of-display-mode-bridge.h diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig index c3209b0f4678..f81b566c82a1 100644 --- a/drivers/gpu/drm/bridge/Kconfig +++ b/drivers/gpu/drm/bridge/Kconfig @@ -262,6 +262,16 @@ config DRM_NXP_PTN3460 help NXP PTN3460 eDP-LVDS bridge chip driver. =20 +config DRM_OF_DISPLAY_MODE_BRIDGE + tristate + depends on DRM_BRIDGE && OF + help + This is a DRM bridge implementation that uses of_get_drm_display_mode + to acquire display mode. + + It exists for compatibility with legacy display mode parsing, in order + to conform to the panel-bridge framework. + config DRM_PARADE_PS8622 tristate "Parade eDP/LVDS bridge" depends on OF diff --git a/drivers/gpu/drm/bridge/Makefile b/drivers/gpu/drm/bridge/Makef= ile index beab5b695a6e..15cc821d85b7 100644 --- a/drivers/gpu/drm/bridge/Makefile +++ b/drivers/gpu/drm/bridge/Makefile @@ -22,6 +22,7 @@ obj-$(CONFIG_DRM_LVDS_CODEC) +=3D lvds-codec.o obj-$(CONFIG_DRM_MEGACHIPS_STDPXXXX_GE_B850V3_FW) +=3D megachips-stdpxxxx-= ge-b850v3-fw.o obj-$(CONFIG_DRM_MICROCHIP_LVDS_SERIALIZER) +=3D microchip-lvds.o obj-$(CONFIG_DRM_NXP_PTN3460) +=3D nxp-ptn3460.o +obj-$(CONFIG_DRM_OF_DISPLAY_MODE_BRIDGE) +=3D of-display-mode-bridge.o obj-$(CONFIG_DRM_PARADE_PS8622) +=3D parade-ps8622.o obj-$(CONFIG_DRM_PARADE_PS8640) +=3D parade-ps8640.o obj-$(CONFIG_DRM_SAMSUNG_DSIM) +=3D samsung-dsim.o diff --git a/drivers/gpu/drm/bridge/imx/Kconfig b/drivers/gpu/drm/bridge/im= x/Kconfig index b9028a5e5a06..8877b9789868 100644 --- a/drivers/gpu/drm/bridge/imx/Kconfig +++ b/drivers/gpu/drm/bridge/imx/Kconfig @@ -3,16 +3,6 @@ if ARCH_MXC || COMPILE_TEST config DRM_IMX_LDB_HELPER tristate =20 -config DRM_IMX_LEGACY_BRIDGE - tristate - depends on DRM_IMX - help - This is a DRM bridge implementation for the DRM i.MX IPUv3 driver, - that uses of_get_drm_display_mode to acquire display mode. - - Newer designs should not use this bridge and should use proper panel - driver instead. - config DRM_IMX8MP_DW_HDMI_BRIDGE tristate "Freescale i.MX8MP HDMI-TX bridge support" depends on OF diff --git a/drivers/gpu/drm/bridge/imx/Makefile b/drivers/gpu/drm/bridge/i= mx/Makefile index 8d01fda25451..69d9f9abbe36 100644 --- a/drivers/gpu/drm/bridge/imx/Makefile +++ b/drivers/gpu/drm/bridge/imx/Makefile @@ -1,5 +1,4 @@ obj-$(CONFIG_DRM_IMX_LDB_HELPER) +=3D imx-ldb-helper.o -obj-$(CONFIG_DRM_IMX_LEGACY_BRIDGE) +=3D imx-legacy-bridge.o obj-$(CONFIG_DRM_IMX8MP_DW_HDMI_BRIDGE) +=3D imx8mp-hdmi-tx.o obj-$(CONFIG_DRM_IMX8MP_HDMI_PAI) +=3D imx8mp-hdmi-pai.o obj-$(CONFIG_DRM_IMX8MP_HDMI_PVI) +=3D imx8mp-hdmi-pvi.o diff --git a/drivers/gpu/drm/bridge/imx/imx-legacy-bridge.c b/drivers/gpu/d= rm/bridge/imx/imx-legacy-bridge.c deleted file mode 100644 index 0e31d5000e7c..000000000000 --- a/drivers/gpu/drm/bridge/imx/imx-legacy-bridge.c +++ /dev/null @@ -1,91 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * Freescale i.MX drm driver - * - * bridge driver for legacy DT bindings, utilizing display-timings node - */ - -#include - -#include -#include -#include -#include - -#include