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(unknown [58.22.7.114]) by smtp.qiye.163.com (Hmail) with ESMTP id 3790344cf; Thu, 19 Mar 2026 18:40:43 +0800 (GMT+08:00) From: Damon Ding To: hjc@rock-chips.com, heiko@sntech.de, andy.yan@rock-chips.com, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, airlied@gmail.com, simona@ffwll.ch, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, andrzej.hajda@intel.com, neil.armstrong@linaro.org, rfoss@kernel.org Cc: Laurent.pinchart@ideasonboard.com, jonas@kwiboo.se, jernej.skrabec@gmail.com, nicolas.frattaroli@collabora.com, alchark@gmail.com, cristian.ciocaltea@collabora.com, sebastian.reichel@collabora.com, kever.yang@rock-chips.com, heiko.stuebner@cherry.de, tomeu@tomeuvizoso.net, amadeus@jmu.edu.cn, michael.riesch@collabora.com, didi.debian@cknow.org, dmitry.baryshkov@oss.qualcomm.com, luca.ceresoli@bootlin.com, dianders@chromium.org, m.szyprowski@samsung.com, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Damon Ding Subject: [PATCH v2 4/9] drm/rockchip: analogix_dp: Enable clock "hclk" for RK3588 Date: Thu, 19 Mar 2026 18:40:26 +0800 Message-Id: <20260319104031.1986946-5-damon.ding@rock-chips.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260319104031.1986946-1-damon.ding@rock-chips.com> References: <20260319104031.1986946-1-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: 0a9d05aeecee03a3kunm32a99f093bee8d X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFDSUNOT01LS0k3V1ktWUFJV1kPCRoVCBIfWUFZGU1PGVYfSR8ZHUxDS00YHUhWFRQJFh oXVRMBExYaEhckFA4PWVdZGBILWUFZTkNVSUlVTFVKSk9ZV1kWGg8SFR0UWUFZT0tIVUpLSEpKQk 1VSktLVUpCWQY+ DKIM-Signature: a=rsa-sha256; b=A167o4bhzpPsG7H9fKNTcsZCfGQ6wEt/NI88uq5Ijla4VOh8z/PuiPt51r5Ft7KBapUKyhRgBKktIcK3OsCXLGOUTyy52HspbTw6GiZDId2yEGkAuhQFuBdY4s9O+MTWf2swiJLiAdyfPixxF2fIcIr342y5OtVFMJOLz15K1DE=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=ZE4V3NtWgbOy1fE2MPgXMnyrBCQ9uphFMwBK7LTMikY=; h=date:mime-version:subject:message-id:from; Content-Type: text/plain; charset="utf-8" The RK3588 eDP controller needs the video datapath clock "hclk" to work well. Previously, it works without explicitly adding this clock because the 'rockchip,vo-grf =3D <&vo1_grf>' property implicitly enables HCLK_VO1. Fixes: 729f8eefdcad ("drm/rockchip: analogix_dp: Add support for RK3588") Signed-off-by: Damon Ding --- drivers/gpu/drm/rockchip/analogix_dp-rockchip.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c b/drivers/gpu/= drm/rockchip/analogix_dp-rockchip.c index 832e9766bef0..aa01ede4945e 100644 --- a/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c +++ b/drivers/gpu/drm/rockchip/analogix_dp-rockchip.c @@ -311,6 +311,7 @@ static int rockchip_dp_of_probe(struct rockchip_dp_devi= ce *dp) { struct device *dev =3D dp->dev; struct device_node *np =3D dev->of_node; + struct clk *clk; =20 dp->grf =3D syscon_regmap_lookup_by_phandle(np, "rockchip,grf"); if (IS_ERR(dp->grf)) @@ -327,6 +328,11 @@ static int rockchip_dp_of_probe(struct rockchip_dp_dev= ice *dp) return dev_err_probe(dev, PTR_ERR(dp->pclk), "failed to get pclk property\n"); =20 + clk =3D devm_clk_get_optional_enabled(dev, "hclk"); + if (IS_ERR(clk)) + return dev_err_probe(dev, PTR_ERR(clk), + "failed to get hclk property\n"); + dp->rst =3D devm_reset_control_get(dev, "dp"); if (IS_ERR(dp->rst)) return dev_err_probe(dev, PTR_ERR(dp->rst), --=20 2.34.1