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 CACB92DC76A; Fri, 7 Nov 2025 13:27:14 +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=1762522034; cv=none; b=O5kYjUVW5+VUeGtKkxuS0mHML7eh+QXSVJl7/w2x2bc7tYufSpKuSPUizvO+7DMWFLL3A/+zJ9u4xZeydwTt0hHzZiUckfAi7E6IyLX2ODgJ40zwSBGk4BJsY5Ld20GgmVD5ueG7E+VtYkMt4A/niKWpw0Uh7+MvjwNUwd+DBkk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762522034; c=relaxed/simple; bh=H2fyQgGEPrr0B9L7SM/CUSxgfDy3yr/Zqy7wNEwuzqc=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=KYBkwgtOrtf2pFJ6Ukg/FZnlUxMM4LvDChhAbWnaZdxWBYo4UEkLH8LiVeNk2O4SWUHiq2BB/O5i9jlABBJxzwfJohpLeO5Yfvd7AyKsUANpAl2iEVv0atx/MWUws2Mc18y8clQsqe8ogtRK8aHyYaQHvQX+De+DW30qBTcW8WY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=QfEr2VVI; 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="QfEr2VVI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30246C16AAE; Fri, 7 Nov 2025 13:27:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762522034; bh=H2fyQgGEPrr0B9L7SM/CUSxgfDy3yr/Zqy7wNEwuzqc=; h=Date:Subject:To:References:From:In-Reply-To:From; b=QfEr2VVIldH8VSEcCHUZXT+sXm5bJGz3KK6JCEYEz3j8yr6v17WywCGNRoVDw5jgC guGj3uWvo2uIdpFME+Q/xOLIQVnsPo2eUE2CFsRWD2LXwKFPSeOjdf9djQb5JyskZw tTYFG7w4lto3MyYMyHbjgl+QPagiMh3Y3tDzI/9yV0uMKwQBqiP93d/hd/nK72hMbe JqfS9x9tzK0DaUfgFF2GU2eP24ZEfShS05pjq3CbF7m/LESAj0WGH47C1wHiSWODhd s7V8FgQFsQED1lcAEjAhFKVvwxazzYPq5f3SBOYIU3x/CL825n+K6HtEWxANl5/xRi 5NR9+eXNlOwMg== Message-ID: Date: Fri, 7 Nov 2025 14:27:07 +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] dt-bindings: drm/bridge: Update reg-name list for cdns,mhdp8546 compatible To: Harikrishna Shenoy , robh@kernel.org, Laurent.pinchart@ideasonboard.com, airlied@gmail.com, andrzej.hajda@intel.com, conor+dt@kernel.org, devarsht@ti.com, devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org, jernej.skrabec@gmail.com, jonas@kwiboo.se, krzk+dt@kernel.org, linux-kernel@vger.kernel.org, maarten.lankhorst@linux.intel.com, mripard@kernel.org, neil.armstrong@linaro.org, rfoss@kernel.org, s-jain1@ti.com, simona@ffwll.ch, sjakhade@cadence.com, tzimmermann@suse.de, u-kumar1@ti.com, yamonkar@cadence.com, pthombar@cadence.com References: <20251107131535.1841393-1-h-shenoy@ti.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 07/11/2025 14:15, Harikrishna Shenoy wrote: > Remove j721e-intg register name from reg-name list for cdns,mhdp8546 > compatible. The j721e-intg registers are specific to TI SoCs, so they > are not required for compatibles other than ti,j721e-mhdp8546. > > Move the register name constraints to the appropriate compatibility > sections to ensure the correct register names are used with each > compatible value. > > Fixes: 7169d082e7e6 ("dt-bindings: drm/bridge: MHDP8546 bridge binding changes for HDCP") > Signed-off-by: Harikrishna Shenoy > --- > > Links to some discussions pointing to need for a fixes patch: > https://lore.kernel.org/all/20250903220312.GA2903503-robh@kernel.org/ > https://lore.kernel.org/all/d2367789-6b54-4fc2-bb7c-609c0fe084d3@ti.com/ > > .../bindings/display/bridge/cdns,mhdp8546.yaml | 13 +++++++------ > 1 file changed, 7 insertions(+), 6 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml > index c2b369456e4e2..2fdb4f7108ed5 100644 > --- a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml > +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8546.yaml > @@ -30,10 +30,6 @@ properties: > > reg-names: > minItems: 1 > - items: > - - const: mhdptx > - - const: j721e-intg > - - const: mhdptx-sapb > > clocks: > maxItems: 1 > @@ -103,7 +99,10 @@ allOf: > maxItems: 3 > reg-names: > minItems: 2 > - maxItems: 3 > + items: > + - const: mhdptx > + - const: j721e-intg > + - const: mhdptx-sapb > else: > properties: > reg: > @@ -111,7 +110,9 @@ allOf: > maxItems: 2 > reg-names: > minItems: 1 > - maxItems: 2 > + items: > + - const: mhdptx > + - const: mhdptx-sapb This does not match regs now. Look which entry is the second - it is always DSS_EDP0_INTG_CFG_VP. Optional item should be the last, not the middle. That's why DT maintainers ask (and it is even documented) to post complete bindings. Complete means all registers, entire address space. Best regards, Krzysztof