From nobody Tue Feb 10 02:30:25 2026 Received: from out-180.mta1.migadu.com (out-180.mta1.migadu.com [95.215.58.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2495E217F2E for ; Sun, 16 Nov 2025 01:13:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=95.215.58.180 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763255616; cv=none; b=tJYlnhEMGyZPMsz0wBqTVuWFAGX799yJXsk7saFj/fxH+KVR8xiV1yL87OHs6KB2X/rVi+Qe71vo5RGsj4lYitM/be6M1I1hU26zXLHehrDYlC7pCf6H7ag7wboQra2WTZB2hiYSA4SJ9XSP9T4fPD2jeVtthLzLo7NlRqLVwjI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763255616; c=relaxed/simple; bh=bTyV/HYwPwuHc6C1YROdxFSSqnjzqyL8eog+Uhw91jE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=PNmRm6p9QvKUWlxVkvVdSUhyh2809w+7j03+sCEM/ACEO5q0gO7iGd2assd/BlPpjQbMURMMhHr3KYOJTR4rscEj03bvd+tBkxFjSobqGcicvRGsYcAOQnPp+2k0pKt18fgzVKuhiMnOCUext1qdgmYND69cEUGhylouEJelRow= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=postmarketos.org; spf=pass smtp.mailfrom=postmarketos.org; dkim=pass (2048-bit key) header.d=postmarketos.org header.i=@postmarketos.org header.b=AJuYWDNd; arc=none smtp.client-ip=95.215.58.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=postmarketos.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=postmarketos.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=postmarketos.org header.i=@postmarketos.org header.b="AJuYWDNd" X-Report-Abuse: Please report any abuse attempt to abuse@migadu.com and include these headers. DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=postmarketos.org; s=key1; t=1763255612; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=w6bXBbcoVoyWKUZamRu37JTHuPgnt26R7z8laRfJ1tE=; b=AJuYWDNdOFJnBy/w9c9ZYiw/ioZMVRXq8L1Mqp3JSMGUVn2LhgkB+9Kz5batLKhzUSfpGs mGtHFMzY373gCxfRBDbCqYpvQqpbBcmf3xu9MAN/0yKagkkGqtw+L62MbmbvNC70AfYu4x lhIGnGALdSgKyAQPp7SIkVr2po/nShhQs5VMTTOa/ZsnOhBSbKvAtEaBfN/JhQoL5WgGVq X+hWMVNGlcEuVVVcCe6RF9ODPjcaJXR2/gSMxubI8I7UN2YUdVBi7b2cpHGHbPdxx6YwTc f1ohfQCaXUXTNy1TVZ5KFoELWnjSwgZbAXhdSa8KW+Hzl4V78cdyUZzSeGWvfQ== From: Alexey Minnekhanov Date: Sun, 16 Nov 2025 04:12:35 +0300 Subject: [PATCH v2 3/3] arm64: dts: qcom: sdm630: Add missing MDSS reset Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20251116-sdm660-mdss-reset-v2-3-6219bec0a97f@postmarketos.org> References: <20251116-sdm660-mdss-reset-v2-0-6219bec0a97f@postmarketos.org> In-Reply-To: <20251116-sdm660-mdss-reset-v2-0-6219bec0a97f@postmarketos.org> To: Bjorn Andersson , Stephen Boyd , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Konrad Dybcio Cc: linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org, ~postmarketos/upstreaming@lists.sr.ht, Alexey Minnekhanov X-Migadu-Flow: FLOW_OUT If the OS does not support recovering the state left by the bootloader it needs a way to reset display hardware, so that it can start from a clean state. Add a reference to the relevant reset. It fixes display init issue appeared in Linux v6.17: without reset device boots into black screen and you need to turn display off/on to "fix" it. Also sometimes it can boot into solid blue color with these messages in kernel log: hw recovery is not complete for ctl:2 [drm:dpu_encoder_phys_vid_prepare_for_kickoff:569] [dpu error]enc33 intf1 ctl 2 reset failure: -22 [drm:dpu_encoder_frame_done_timeout:2727] [dpu error]enc33 frame done timeout Fixes: 0e789b491ba0 ("pmdomain: core: Leave powered-on genpds on until sync= _state") Cc: # 6.17 Signed-off-by: Alexey Minnekhanov Reviewed-by: Dmitry Baryshkov --- arch/arm64/boot/dts/qcom/sdm630.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qco= m/sdm630.dtsi index 8b1a45a4e56e..fedff18a5721 100644 --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi @@ -1563,6 +1563,7 @@ mdss: display-subsystem@c900000 { reg-names =3D "mdss_phys", "vbif_phys"; =20 power-domains =3D <&mmcc MDSS_GDSC>; + resets =3D <&mmcc MDSS_BCR>; =20 clocks =3D <&mmcc MDSS_AHB_CLK>, <&mmcc MDSS_AXI_CLK>, --=20 2.51.0