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 AE86BEEAB; Mon, 7 Jul 2025 06:36:12 +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=1751870173; cv=none; b=j2DsMuytO8Cwyuq8kNGdhHZuFR7bobsuF1AMTvlXGaOVmhzuNZ0nhooGQacjRjmjq0S3uA9UPWDPoXoRpweZ75xNpWu8arDrWJgganeXhD5HiptT1vi66ZCUN6vfAVECUNZeid7/vSfejoTcwRXD6qffmK2pMONen72Uzw8rrlM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1751870173; c=relaxed/simple; bh=dc209bSSOMZyBL/UHG3HiH6AvU5ec3DCsBGBA0MD8OA=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=b/ObWtVjSv7acXfU/swaFJO2Pul8BPT9kN2PgfOfiA+D2plfxG6gIEMqSMJPVHQYNw9rd8JPhlZoRIjPgRTPn2vvg4v0QLSyQvkLtCyJhXTSlsDnsEkB3tD0eL58qC0mUJ/IO8tMM8nrMkRZsGOq2e9zIZkD1k6IHbKEmpT0mDs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=WgDAmbZ3; 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="WgDAmbZ3" Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC70EC4CEE3; Mon, 7 Jul 2025 06:36:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1751870172; bh=dc209bSSOMZyBL/UHG3HiH6AvU5ec3DCsBGBA0MD8OA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=WgDAmbZ3f9Aqqwkljq5jHe8OaKHd8qTEvKsZj/eNsQ/Wl/Bz1ykWcyzsrwomDXV6B aYDH/g4K/oBR6eg4WVcYY7gnsb5YQ07RQBK0hxwXAluwwe8DwCCe8FU7bTsY+h1O8+ P4/NYZFy9Yi8j2zEdiiEIdOiq8SXV3t452Seh+/sOCH8sqJHDy/tcsiPaT6BOoTYh6 e9yYTtn1Pj5LAy6LvdfgPGv0bvYNhEVwedJSRNJ6+TWBRWWkh++2BatUpmG8zFmmRS SYqKsvNHTE4+iwSiC4DGCEJQp7AWLB3pwvsMIE0FJ00gwPJ65nYQubayx5OziXcMeF vgMmFHKDEmKaA== Date: Mon, 7 Jul 2025 08:36:09 +0200 From: Krzysztof Kozlowski To: Kaustabh Chakraborty Cc: Inki Dae , Seung-Woo Kim , Kyungmin Park , David Airlie , Simona Vetter , Alim Akhtar , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Rob Herring , Conor Dooley , Ajay Kumar , Akshu Agrawal , Krzysztof Kozlowski , Conor Dooley , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: Re: [PATCH v4 1/2] dt-bindings: display: samsung,exynos7-decon: document iommus, memory-region, and ports Message-ID: <20250707-silent-authentic-trogon-cca34d@krzk-bin> References: <20250706-exynosdrm-decon-v4-0-735fd215f4b3@disroot.org> <20250706-exynosdrm-decon-v4-1-735fd215f4b3@disroot.org> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20250706-exynosdrm-decon-v4-1-735fd215f4b3@disroot.org> On Sun, Jul 06, 2025 at 10:59:45PM +0530, Kaustabh Chakraborty wrote: > Similar to FIMD and Exynos5433's DECON, the Exynos7 DECON hardware: > - May optionally require an IOMMU to initialize a display region. > - Outputs image data to another block, say an MIC or a DSI master. > > If an IOMMU is present, it may also require to access the reserved > framebuffer region. > > Document these bindings in the devicetree schema. > > Signed-off-by: Kaustabh Chakraborty > --- > .../display/samsung/samsung,exynos7-decon.yaml | 21 +++++++++++++++++++++ > 1 file changed, 21 insertions(+) Reviewed-by: Krzysztof Kozlowski Best regards, Krzysztof