[PATCH v3 03/11] dt-bindings: gpu: host1x: Document memory-regions for NVDEC
From: Thierry Reding <thierry.reding@kernel.org>
Date: 2026-07-01 16:08:52
Also in:
dri-devel, linux-devicetree, linux-iommu, linux-media, linux-mm, linux-s390, linux-tegra, lkml
Subsystem:
drm drivers, drm drivers and misc gpu patches, drm drivers for nvidia tegra, open firmware and flattened device tree bindings, the rest · Maintainers:
David Airlie, Simona Vetter, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann, Thierry Reding, Mikko Perttunen, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
From: Thierry Reding <redacted> 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 <redacted> --- .../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:
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2.54.0