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 3F9276D1B4; Thu, 18 Jul 2024 06:19:09 +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=1721283550; cv=none; b=QwydJd0gcs1xOPE/qo2SIRWxEx5CTYwOstfYGYUp9TOM4Fuvbui4bBvLbbPKNMbJVJ80zgDXYznNTpZ5ZmbKE6isLFiofnonstgE1jSOT6yyjfPxOdYLrQGycf+hEoECu0wL6ddWG7kn6IkdA1Jx51e0JvlXhJKfyV+Kc14w2yo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721283550; c=relaxed/simple; bh=TTHXDISLWM4G5/ABRq+uF9kx4rxKG5ZyaIr3GrXMmOI=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=EbZg8ZFurWdz358FqoAoyIRSribho3oM1WoXmZDSxbpPyMYiI5XnLhqCCThgYbrLCSJcTL1fTftVhv0mjh7CRX1toKYxzxeFqB3foQFQH7m2MmedSINIn3qfLfCZYCKh07L/J7VJkBr2oyOfHy1+7SCK0gUyVf5ioqp7zeqi8PE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lNPryReU; 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="lNPryReU" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43F62C116B1; Thu, 18 Jul 2024 06:19:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721283549; bh=TTHXDISLWM4G5/ABRq+uF9kx4rxKG5ZyaIr3GrXMmOI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=lNPryReUhYV/UiPX3jQcG2E2w3CeY0tDaH+aIvuJGO9w8x05FslO8B6Ln4PX2r+1/ 5SnycoRn/HFg6w43rxSIPjsn/LHkCVvGkNF+GUJjgDLFYGB70ZpUwHt3hiH6WEsL3T m4sTl3bI64+bkqxS3JPYPxQQvEwkJvgr8+ASLmEq8qxlEYyXp2BobWZeoENTDEusCJ pfdJIaBiptu2Bbv8Kq38UERmQ9J/iDwMBxdfzmWe55szEcpcRnHEZeZ6UjbUHZk42I hYgXQVuouAe0g7dloGUiOkEfHgp/IXsCt9hRrOWmjqsAZFxqTYUCyerq0pA+B/mWY8 EOYOtBEXoWA0A== Message-ID: Date: Thu, 18 Jul 2024 08:19:00 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 1/4] dt-bindings: display: panel: samsung,atna33xc20: Document ATNA45AF01 To: Doug Anderson , Conor Dooley Cc: Stephan Gerhold , Neil Armstrong , Bjorn Andersson , Konrad Dybcio , Jessica Zhang , Rob Herring , Krzysztof Kozlowski , Conor Dooley , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, Abel Vesa , Johan Hovold References: <20240715-x1e80100-crd-backlight-v2-0-31b7f2f658a3@linaro.org> <20240715-x1e80100-crd-backlight-v2-1-31b7f2f658a3@linaro.org> <20240715-scorn-canning-a7f23b9e2039@spud> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 8bit On 18/07/2024 02:21, Doug Anderson wrote: > Conor (and/or) Krzysztof and Rob, > > On Mon, Jul 15, 2024 at 8:31 AM Conor Dooley wrote: >> >> On Mon, Jul 15, 2024 at 02:15:37PM +0200, Stephan Gerhold wrote: >>> The Samsung ATNA45AF01 panel is an AMOLED eDP panel that has backlight >>> control over the DP AUX channel. While it works almost correctly with the >>> generic "edp-panel" compatible, the backlight needs special handling to >>> work correctly. It is similar to the existing ATNA33XC20 panel, just with >>> a larger resolution and size. >>> >>> Add a new "samsung,atna45af01" compatible to describe this panel in the DT. >>> Use the existing "samsung,atna33xc20" as fallback compatible since existing >>> drivers should work as-is, given that resolution and size are discoverable >>> through the eDP link. >>> >>> Signed-off-by: Stephan Gerhold >> >> Acked-by: Conor Dooley > > Can you comment on whether you would consider this bindings a "Fix" > since it's a dependency for later patches in this series (which are > "Fix"es) to pass dtbs_check? See: > > https://lore.kernel.org/r/4bca316a-2334-425b-87a6-e1bb241d26b5@linaro.org The patch itself is not a fix, for sure, but it might be a dependency of a fix (which you wrote above), thus could be pulled to stable as a dependency. I do not care about dtbs_check warnings in stable kernels, mostly because dtbs_check warnings depend heavily on dtschema and dtschema follows mainline kernel. Basically if you had warnings-free v6.8 but try to run dtbs_check now with latest dtschema, your results will differ. At some point in the future, I could imagine "no new dtbs_check warnings in stable kernels" requirement or at least preference, but so far I don't think there is any benefit. Best regards, Krzysztof