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(unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 392496b4d; Wed, 1 Apr 2026 17:35:50 +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, 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 v12 14/17] drm/exynos: exynos_dp: Apply analogix_dp_finish_probe() Date: Wed, 1 Apr 2026 17:35:44 +0800 Message-Id: <20260401093547.25840-1-damon.ding@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260401091454.25730-1-damon.ding@rock-chips.com> References: <20260401091454.25730-1-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: 0a9d486631fb03a3kunm1fbc9b38b36ec3 X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZQkwaT1ZPSR0fGh5DT0IZSx9WFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpKQk 1VSktLVUpCWQY+ DKIM-Signature: a=rsa-sha256; b=DOiw7uJB0OOmKKpobAKrs41VGo1F+FJbWyIm8YHOGbfMzgWFLxi0gZH7RjZ4maOiYEEhHg+lLXGY4OTyGu+Dp3ci4CYxibLjKTC+7+aDHiDg3k52XiipiGoXWQ3DWfayJ/Tsvlq4KMjoVRlIl0BECF6lTqnwE1OMb7neCBOk/Bc=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=l0rCYWGbbWqoD8V97nbLeMFxlHthOJgEIOH48elhF+M=; h=date:mime-version:subject:message-id:from; Content-Type: text/plain; charset="utf-8" Apply analogix_dp_finish_probe() in order to move the panel/bridge parsing from Exynos side to the Analogix side. Signed-off-by: Damon Ding Reviewed-by: Dmitry Baryshkov Tested-by: Marek Szyprowski Tested-by: Heiko Stuebner (on rk3588) --- Changes in v4: - Rename analogix_dp_find_panel_or_bridge() to analogix_dp_finish_probe(). Changes in v7: - Remove exynos_dp_legacy_bridge_init() and inline API devm_drm_of_display_mode_bridge(). - If the panel or the next_bridge is parsed from DT, use ptr validity to check whether to call component_add() directly at the end of probing. -Changes in v9: - Add Tested-by tag. --- drivers/gpu/drm/exynos/exynos_dp.c | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/gpu/drm/exynos/exynos_dp.c b/drivers/gpu/drm/exynos/ex= ynos_dp.c index b2597fafd73d..9f3d4d4c7352 100644 --- a/drivers/gpu/drm/exynos/exynos_dp.c +++ b/drivers/gpu/drm/exynos/exynos_dp.c @@ -158,9 +158,6 @@ static int exynos_dp_probe(struct platform_device *pdev) struct device *dev =3D &pdev->dev; struct device_node *np; struct exynos_dp_device *dp; - struct drm_panel *panel; - struct drm_bridge *bridge; - int ret; =20 dp =3D devm_kzalloc(&pdev->dev, sizeof(struct exynos_dp_device), GFP_KERNEL); @@ -187,30 +184,30 @@ static int exynos_dp_probe(struct platform_device *pd= ev) goto out; } =20 - ret =3D drm_of_find_panel_or_bridge(dev->of_node, 0, 0, &panel, &bridge); - if (ret =3D=3D -ENODEV) { + if (of_get_display_timings(dev->of_node)) { dp->plat_data.next_bridge =3D devm_drm_of_display_mode_bridge(dp->dev, dp->dev->of_node, DRM_MODE_CONNECTOR_eDP); - ret =3D IS_ERR(dp->plat_data.next_bridge) ? PTR_ERR(dp->plat_data.next_b= ridge) : 0; + if (IS_ERR(dp->plat_data.next_bridge)) + return PTR_ERR(dp->plat_data.next_bridge); } - if (ret) - return ret; =20 /* The remote port can be either a panel or a bridge */ - dp->plat_data.panel =3D panel; - dp->plat_data.next_bridge =3D bridge; dp->plat_data.dev_type =3D EXYNOS_DP; dp->plat_data.power_on =3D exynos_dp_poweron; dp->plat_data.power_off =3D exynos_dp_poweroff; dp->plat_data.attach =3D exynos_dp_bridge_attach; + dp->plat_data.ops =3D &exynos_dp_ops; =20 out: dp->adp =3D analogix_dp_probe(dev, &dp->plat_data); if (IS_ERR(dp->adp)) return PTR_ERR(dp->adp); =20 - return component_add(&pdev->dev, &exynos_dp_ops); + if (dp->plat_data.panel || dp->plat_data.next_bridge) + return component_add(&pdev->dev, &exynos_dp_ops); + else + return analogix_dp_finish_probe(dp->adp); } =20 static void exynos_dp_remove(struct platform_device *pdev) --=20 2.34.1