From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 21CF148BD3F; Wed, 1 Jul 2026 16:08:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782922131; cv=none; b=niZrU8UnvHrSqOlbesnZJLCfb0daoD1qpoNj7rlwj41l34wPSUUiORC7B5p13zCaWm/moEg+8MmCITRVW89I3XHo++HdQVLZJmUuJGgR0kq2VIYfxlY7hWG+/BOrF6FnjjGKMWKVaGcKyIvTtc2Jpp+5yLfB9jeENA4Vc8cNNhg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1782922131; c=relaxed/simple; bh=M4t7LgXVcn0IaM0TDA3Y48PvsVG7jWRH6b/z/7/16Xo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=elb0TtZdW9aMDWBenqm+Zvs0nBNDyfkbf6DLyp7alz6/cBHKort8iBYum49+/LsOwd1mTmf140wKO+hAbO68f0WO3rt3Rqk3WS1L1M3ULqzfL6VbvYnXHF7I4rpZ+qtnI0zDR6R0gJJMc030x6J/KyrMO0L2VWe+I4V7aoI1le8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=VySaHdDZ; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="VySaHdDZ" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 11C421F00A3E; Wed, 1 Jul 2026 16:08:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1782922129; bh=s5UylNYDTspcuu9MwQe+nNCZE8i0u6cLYLoMeIJYIfc=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=VySaHdDZoDiJzUm+97zbd0xZo4HMp6Hfn2fMQvLrLwb5XXMhno3TqC9g5nITaD6C2 QcoZDYhaz8CSM6nl54LKWdZPg4JvN9LZiJZ1ghCSZZ+0UWSzFcDSd41v3mA8FbQ0tv lhP/RQFj8HymUZfo8xgw4whmaSMk3PlCphdNFJNouyFcFBUylKA9La0MY6PfKRXv+l mjED68ijJASgQSo00QyI5Uk823Kqk4O1T5vFPUmW3CxIuXEHzu5FF500FP23KgieDI Saj/33mlVh0Bc09l8g9w4SnZWNDl1kfSUjojpWPgG3KlvKhkeRnE9fwsee5JU1xoaQ fCN014hGMv2Og== From: Thierry Reding Date: Wed, 01 Jul 2026 18:08:14 +0200 Subject: [PATCH v3 03/11] dt-bindings: gpu: host1x: Document memory-regions for NVDEC 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-Transfer-Encoding: 7bit Message-Id: <20260701-tegra-vpr-v3-3-d80f7b871bb4@nvidia.com> References: <20260701-tegra-vpr-v3-0-d80f7b871bb4@nvidia.com> In-Reply-To: <20260701-tegra-vpr-v3-0-d80f7b871bb4@nvidia.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Thierry Reding , Jonathan Hunter , David Airlie , Simona Vetter , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , Sowjanya Komatineni , Luca Ceresoli , Mikko Perttunen , Yury Norov , Rasmus Villemoes , Russell King , Alexander Gordeev , Gerald Schaefer , Heiko Carstens , Vasily Gorbik , Christian Borntraeger , Sven Schnelle , Andrew Morton , David Hildenbrand , Lorenzo Stoakes , "Liam R. Howlett" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Marek Szyprowski , Robin Murphy , Sumit Semwal , Benjamin Gaignard , Brian Starkey , John Stultz , "T.J. Mercier" , =?utf-8?q?Christian_K=C3=B6nig?= , Steven Rostedt , Masami Hiramatsu , Mathieu Desnoyers , Catalin Marinas , Will Deacon Cc: Thierry Reding , devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-media@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux.dev, linaro-mm-sig@lists.linaro.org, linux-trace-kernel@vger.kernel.org, Thierry Reding X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1073; i=treding@nvidia.com; h=from:subject:message-id; bh=YiLAGkzcznmBG0BMFt9ttJjGeSWnN/89E2oKOOw+7sE=; b=kA0DAAoB3SOs138+s6EByyZiAGpFO4Wi6nVkH8SB1XxCYsDBFk1RCy3m6me3qImXpoqxvKh66 IkCMwQAAQoAHRYhBIjqwwgBScz3wI3In90jrNd/PrOhBQJqRTuFAAoJEN0jrNd/PrOhtx8QAL24 JFZ1eyoK168npHmVnch9YgVz+PSE7M0Wqwi8uUTcVivjEoiQ6p6pa0SeTBugcnaQb3QBo0JrLUH o3clj6tNA211B6HFML1dhEO7HKR8sJZ/48FQrzKH5/hNriAnSUr8GsNYN+EbMiJretpSJj8F6Vr 5sNqDyQ9NJHdbJxxJ0WQgMEa1P3vLc25Sn9UCcBg2Vze+51uVnXJgM1JqTFXusf2HcdLzzBF5f/ v8pd0wYGl4VDcrtfffFbgv2zptz5kwuHmwQwdA1TJZ1l9t0Fl9plXga8LaILGNBoiFy6ecl7dDA sVoQJgj8vyBXwRk5q4Dzo1u4FNC+5cl1OLJZkpcULDxkj6eyfnx23iY7OkXgCRz2PLUtvjhpTZ4 QYTY1DyX9rlQFrlzy3aajhQtUhH15tx7rLFy/0DnxQbaJeYMMjcEu/DIx/+K4xfNPXr2KcnNfKP BbgkgSpR8yCTKCZDQYAubaDvQOUeWULBVkzsXU2S3gqX1Puf/e4Ge7ei4P7s1ruNjSFpMmzWbxt 9y/W0XfJuIQzLIvozsP7xEQhIgospemSYCrQzf3qbPGYuNW/JbSiC/H6ahdoaDTyKJkkrl2te+h +WhWkbwXbu9bYoSe6dUf4gCoSZ/gYYT5sLIDONwrOZRjSdV8d2zo9HehXb3+r1imNr35qn32lf+ y/wAZ X-Developer-Key: i=treding@nvidia.com; a=openpgp; fpr=88EAC3080149CCF7C08DC89FDD23ACD77F3EB3A1 From: Thierry Reding The video protection region is a reserved memory region that can be used for secure video playback. NVDEC can access this region to decode images into securely. Signed-off-by: Thierry Reding --- .../devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml index 4eb325cfd296..bcaaabca945d 100644 --- a/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml +++ b/Documentation/devicetree/bindings/gpu/host1x/nvidia,tegra234-nvdec.yaml @@ -60,6 +60,14 @@ properties: - const: dma-mem - const: write + memory-region: + items: + - description: reference to the video protection memory region + + memory-region-names: + items: + - const: protected + nvidia,memory-controller: $ref: /schemas/types.yaml#/definitions/phandle description: -- 2.54.0