From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=210.79.60.68 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794187910; b=qEa9yLjmqZBDGjmoFiEunDZpxd/1jNAv/5wQcAtKqc4UNfzacrvZHknbzuVrw2sDk3KT eEZP8414DsnTrDlUeK1aip3eJ9F5K2zYHmbppZequfJNZGVZcccpmnHc96mXw7+eiLWUN F5uDsIuBUOc7KXWBZT2j6g+otLALGqaOkN32QqnpfH2GjQxuJ/QfIjybXC4Bjzi6k7xV3 hyKSrMQ0v9dc3KRfo8l9/YKqkRbixhRq01Wze0VhXzphgL3mxiUUWOax3Y9yGiUSFm8F4 QqPZEs84JdWqr4hX7Grmis0yDYKXVFm1C3uZHT3iOgyp4Wa9tLw8mXISVkm+RfjE/Qw== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794187910; h=DMARC-Filter:Received:Message-ID:Date:MIME-Version:User-Agent: Subject:To:Cc:References:Content-Language:From:In-Reply-To: Content-Type:Content-Transfer-Encoding:X-HM-Tid:X-HM-MType: X-HM-Spam-Status:DKIM-Signature; bh=Kz1mIgE72+hP3r+p69xSMSWxQatJCU8VHnFXsjFvnWQ=; b=4q2yjUZeRVEkEUdbBq9yVhpPxv19w2Aq1lGl22vRTIlw7LfoWNB6uBRFf1AlU2L/zu7B Rnlhcy5ecrjc7ZPYnxyD9NG/hagWzGeN1XkgXBMLPEcc8p12wIND87bQTxYh6fLOYYcz9 T7wALAJ8CqKd0XyFiDDt0+Opoj/ulQNAO3jbjfBT6ca6jNVnKQfkSmfXPyYtRMb5La81U 4e8yjsRfEc7REHr4o3ztWo2mkZyROrX5ljpiPwhXGqvEkNr3Ce/JSvLFYWzIFiExdgmHt k2K2FIf1bDWP+cwMP8gTzEzysxaDI/Pq8riht8RQ8ct4JrOxqDxzSOLd8KTXssTPRcA== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=rock-chips.com; spf=pass smtp.mailfrom=rock-chips.com; dkim=pass header.d=rock-chips.com header.i=@rock-chips.com header.a=rsa-sha256 header.s=default header.b=IUfk9EUC; arc=none smtp.remote-ip=210.79.60.68 Received: from mail-m6068.netease.com (mail-m6068.netease.com [210.79.60.68]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 8002D606A322; Mon, 9 Nov 2026 01:31:46 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org 8002D606A322 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=rock-chips.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key, unprotected) header.d=rock-chips.com header.i=@rock-chips.com header.a=rsa-sha256 header.s=default header.b=IUfk9EUC Received: from [127.0.0.1] (unknown [61.154.14.86]) by smtp.qiye.163.com (Hmail) with ESMTP id 53ed4167e; Mon, 9 Nov 2026 09:31:37 +0800 (GMT+08:00) Message-ID: Date: Mon, 9 Nov 2026 09:31:35 +0800 X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/5] arm64: dts: rockchip: Add DSI panel to RK3588 EVB1 To: Sebastian Reichel Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com References: <20261106-rk3588-evb1-dt-updates-v1-0-bdbe16223589@collabora.com> <20261106-rk3588-evb1-dt-updates-v1-4-bdbe16223589@collabora.com> Content-Language: en-US From: Chaoyi Chen In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-HM-Tid: 0aa1bdeeaabf03a7kunmf2d328634ebabd X-HM-MType: 1 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWRgWCB1ZQUpXWS1ZQUlXWQ8JGhUIEh9ZQVlCS01LVkIdQxkYTx9OGUhLGFYVFA kWGhdVEwETFhoSFyQUDg9ZV1kYEgtZQVlNSlVKTk9VSk9VQ01ZV1kWGg8SFR0UWUFZT0tIVUJCSU 5LVUpLS1VKQktCWQY+ DKIM-Signature: a=rsa-sha256; b=IUfk9EUC04Ij1avNZ2iP9izXA0sNWFMrwytbuHpkYydV2jEY0bB4dnCsK6Ae76E+cfDOLuAhvaP031e0C1PFsLLcbpYIZAvS9TNh63dXnqVYunA8iQdVUK8SUyrJiWIdApiYxOpIyR9N7ETyffilKiKJruYaXFyO7fPwPdoW2II=; c=relaxed/relaxed; s=default; d=rock-chips.com; v=1; bh=Kz1mIgE72+hP3r+p69xSMSWxQatJCU8VHnFXsjFvnWQ=; h=date:mime-version:subject:message-id:from; Hi Sebastian, On 11/9/2026 3:42 AM, Sebastian Reichel wrote: > Hello Chaoyi, > > On Sun, Nov 08, 2026 at 11:15:09AM +0800, Chaoyi Chen wrote: >> Hi Sebastian, >> >> On 11/7/2026 5:57 AM, Sebastian Reichel wrote: >>> The RK3588 EVB1 comes with a W552793DBA-V10 Touchscreen/Display >>> combination. It contains a Wanchanglong W552793BAA panel and a >>> Goodix GT1158 touchscreen. This adds the DT description of it. >>> Signed-off-by: Sebastian Reichel >>> --- >>> arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts | 90 ++++++++++++++++++++++++ >>> 1 file changed, 90 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts >>> index 6a95a8bb6fb8..327ca13b60f0 100644 >>> --- a/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts >>> +++ b/arch/arm64/boot/dts/rockchip/rk3588-evb1-v10.dts >>> @@ -204,6 +204,15 @@ vcc12v_dcin: regulator-vcc12v-dcin { >>> regulator-max-microvolt = <12000000>; >>> }; >>> >> >> I seem unable to apply the patch to the latest linux-next tree. >> >> So I tried to resolve the conflict manually, but the actual >> test screen did not display. I will look into this further. > > Strange. The base of this series was Heiko's for-next tree from > Friday. No RK3588 EVB1 patches landed since then: > > https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git/commit/?h=for-next&id=cabb6811c38a46337d5f4252b4dc390f9296856c > > If your board uses the original Rockchip bootloader, which shows a > Rockchip logo on the panel, you also need Cristian's latest YUV420 > patches that reset VOP2 at probe time avoiding some issues with the > pre-initialized panel as a side effect. Those were recently applied > by Heiko to the DRM tree, so testing on linux-next is indeed > sensible. > Hmm, the newest linux-next tag which I used is next-20261105, and Heiko's tree last updated date is1106. I'll give it a try on Heiko's tree. And I'm using mainline U-Boot, which obtained from the latest nightly build: https://gitlab.collabora.com/hardware-enablement/rockchip-3588/debian-image-recipes. The backlight working correctly, and the DCS command has been sent, but nothing display. Perhaps I should look elsewhere. > Greetings, > > -- Sebastian -- Best, Chaoyi