From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 2BED134DCEC; Thu, 6 Nov 2025 17:27:37 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762450058; cv=none; b=VPu7pc/34ymN4OWLxetbgDWxjifsYbCyswehb8d01P11ajKykfbgMsHbiWdpbl5KiPzk1neM4Ezex7Xw5Qc7kK6YpLH+xPFbfGiINYY/C5l7PP6hLxNox5c2DcTgdISqhsAPXvZja8nojEgObA28DOxQjOoGewGhIBqDbHsCdws= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762450058; c=relaxed/simple; bh=dQ6qVI/Jgm4flAL7dKFPdSN8C4jmffqy5LApJAZ0YPQ=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Wjdhmm44/RgkEAm0u62sqyXosj2aFHDS/tntll+ONjvjx+VloqKgN8hmD5ibMzjwk8lwaAqk0qrtjD57n63qLomcemJPnx2weFDoL7FE3gX+L8xT7CgocJoq+RY4gF9fJ2GRciuAbvw6EdSEdDeNb0nFxr588nnoGQNVM7xYonc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=gfP2xyHq; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="gfP2xyHq" Received: by smtp.kernel.org (Postfix) with ESMTPSA id D9232C19421; Thu, 6 Nov 2025 17:27:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762450057; bh=dQ6qVI/Jgm4flAL7dKFPdSN8C4jmffqy5LApJAZ0YPQ=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=gfP2xyHqjkWz5FxReJkpI9Hj7CcVVhr7v/lVx8kWGgq0zhICCL+DRuQrUzIILHlRn mnYbIOmwtGIShPcws6birSJguP3TAR/lgfhlpkQyahMZffagz6xsvo5h3KY7XJAxnl +N18HNc8I4ZVZOxo1ONgV2Du+v/DIWjB0P1YOk4Tzt0J13iHm1vly3Wi9Arq/AqAyf 3r8aTGWdoGN0OltiDyPu+HSDSI//kF2QOPNBwd/vc9g0If0caey0nPIS/dbRUSfxJj dLvwpYWNuml4DurEJFMSlQuIeCjxv4X0PHUVLZLOGj2NBK3ppYgEszuAfbpty0C54+ zvF44Td3cSGnA== Message-ID: Date: Thu, 6 Nov 2025 18:27:30 +0100 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 02/12] arch: arm64: qcom: sdm845-enchilada: Specify panel name within the compatible To: Dmitry Baryshkov , david@ixit.cz Cc: Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Sam Ravnborg , Bjorn Andersson , Konrad Dybcio , Casey Connolly , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, phone-devel@vger.kernel.org References: <20251104-sofef00-rebuild-v1-0-dfcfa17eb176@ixit.cz> <20251104-sofef00-rebuild-v1-2-dfcfa17eb176@ixit.cz> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 05/11/2025 01:55, Dmitry Baryshkov wrote: > On Tue, Nov 04, 2025 at 11:16:10PM +0100, David Heidelberg via B4 Relay wrote: >> From: David Heidelberg >> >> sofef00 is name of the DDIC, it doesn't contain name of the panel used. >> The DDIC is also paired with other panels, so make clear which panel is >> used. >> >> cosmetic: sort the node. >> >> Signed-off-by: David Heidelberg >> --- >> arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts | 4 ++-- >> 1 file changed, 2 insertions(+), 2 deletions(-) >> >> diff --git a/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts b/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts >> index a259eb9d45ae0..8aead6dc25e00 100644 >> --- a/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts >> +++ b/arch/arm64/boot/dts/qcom/sdm845-oneplus-enchilada.dts >> @@ -31,9 +31,9 @@ battery: battery { >> }; >> >> &display_panel { >> - status = "okay"; >> + compatible = "samsung,sofef00-ams628nw01", "samsung,sofef00"; > > This breaks the ABI. Please describe, why it is sensible. Other patches > should describe whether the old DTs will continue to work or not. > >> >> - compatible = "samsung,sofef00"; If I read the hunk correctly, I do not see any ABI break here. What exactly stops working or is negatively affected that it is called an ABI break? Best regards, Krzysztof