From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 BD7B5606D823 for ; Mon, 9 Nov 2026 13:27:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.a=rsa-sha256 header.s=bombadil.20210309 header.b=0ZdZUcnL; dkim=pass (2048-bit key, unprotected) header.d=sntech.de header.i=@sntech.de header.a=rsa-sha256 header.s=gloria202408 header.b=vW+rWMbC DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Type: Content-Transfer-Encoding:MIME-Version:References:In-Reply-To:Message-ID:Date :Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Unsubscribe-Post:List-Owner; bh=//2W4dF8dRqMAfkwRAhImATI6D+c4FVFBxbhqBn9xzk=; b=0ZdZUcnL8LzYCyMkPMPmMD9FAt TbGHVWXxpFi9w5oKf/MlGBYg+us1//vlRcSoxOARNCJxPnQM7kwv1GgkUzr71+QHUCtNq3GXcSbI9 V2Xe9WH1QSAXGiBzo3k9ijazRsLBvo0yvGKpirdDHolqDbU8KNo6685BBUF5+wXfzy9rO2Bf8z60h lnYrry+jh5lfAKUpueHuYtzi0IDGd/mwEPEO+n+rlCzG9EJa2eLH62RRD6utYNjvSM2rpZ9Q1Dj8/ GdTrkwuZTY+2Jd7D0I46gRa0Tt+5THXMohGxa0hDwnnv5IH4JW5sJ3Kc2S8+NLLrwysEcGLANBKs/ 92cBeukg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQPOp-00000000nky-2ALb; Mon, 09 Nov 2026 13:27:03 +0000 Received: from gloria.sntech.de ([185.11.138.130]) by bombadil.infradead.org with esmtps (Exim 4.100.1 #2 (Red Hat Linux)) id 1xQPOm-00000000ngp-2LMC; Mon, 09 Nov 2026 13:27:02 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=sntech.de; s=gloria202408; h=Content-Type:Content-Transfer-Encoding:MIME-Version: References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From:Reply-To; bh=//2W4dF8dRqMAfkwRAhImATI6D+c4FVFBxbhqBn9xzk=; b=vW+rWMbC+7d9RHvWCrWsBbFsUk 5idnG3Sd13NpxvsuTmz0VMYqvaK+w9Jjq3+bj8U2rNF+hdX5K9P1M7WmFg5SvIMIRaMxtc2ZFhr9w ytwlggqCzUCrzwzrHd87GqnRYc0aE9k6zGwt7pjlOw44xerDF61PYznkQ5P6Z0HJlM54CB8yQ9lKR zyzcQ2JdveVONjsLdyQ5toBWNi0wI4+SQ8sUKexxsMl9XN97ubqW1RZj83jTsAahKc1cl2yD/h3Qj cFgsJWGF63ZWqoFHc5JZka+d4erYO0TJ+tOnU62kwgDdkG2h4/Qiuzie5IHW4EPRIOY3hCwkBKTVm l08L/sdA==; From: Heiko =?UTF-8?B?U3TDvGJuZXI=?= To: Sebastian Reichel , Chaoyi Chen Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com Subject: Re: [PATCH 4/5] arm64: dts: rockchip: Add DSI panel to RK3588 EVB1 Date: Mon, 09 Nov 2026 14:26:44 +0100 Message-ID: <5573124.44csPzL39Z@diego> In-Reply-To: References: <20261106-rk3588-evb1-dt-updates-v1-0-bdbe16223589@collabora.com> X-Archived-By: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261109_052700_730387_CA1B950F X-CRM114-Status: GOOD ( 25.30 ) X-Spam-Score: -2.1 (--) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" X-Spam-Status: No, score=-20.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=4.0.1 X-Spam-Checker-Version: SpamAssassin 4.0.1 (2024-03-26) on aws-us-west-2-korg-listserv-alma10-1 Am Montag, 9. November 2026, 02:31:35 Mitteleurop=C3=A4ische Normalzeit sch= rieb Chaoyi Chen: > Hi Sebastian, > On 11/9/2026 3:42 AM, Sebastian Reichel wrote: > > Hello Chaoyi, > >=20 > > 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 =3D <12000000>; > >>> }; > >>> =20 > >> > >> 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. > >=20 > > Strange. The base of this series was Heiko's for-next tree from > > Friday. No RK3588 EVB1 patches landed since then: > >=20 > > https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.gi= t/commit/?h=3Dfor-next&id=3Dcabb6811c38a46337d5f4252b4dc390f9296856c > >=20 > > 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. > >=20 >=20 > Hmm, the newest linux-next tag which I used is next-20261105, and Heiko's= =20 > tree last updated date is1106. I'll give it a try on Heiko's tree. >=20 > And I'm using mainline U-Boot, which obtained from the latest nightly bui= ld: > https://gitlab.collabora.com/hardware-enablement/rockchip-3588/debian-ima= ge-recipes. >=20 > The backlight working correctly, and the DCS command has been sent, but n= othing display. > Perhaps I should look elsewhere. I would assume it could be the SPLL (again). I.e. a recent u-boot change broke the SPL-based forced clock init and Jonas fixed that in [0]. Had the black display again recently too. And it seems it hasn't been merged yet. Heiko [0] https://lore.kernel.org/u-boot/20260804002643.2308515-3-jonas@kwiboo.se= /