[PATCH v4 03/10] dt-bindings: gpu: host1x: Document memory-regions for NVDEC
Thierry Reding <[email protected]> Fri, 07 Aug 2026 17:54:23 +0200
| Newsgroups | org.kernel.vger.linux-tegra,dev.linux.lists.iommu,org.freedesktop.lists.dri-devel,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel,org.kernel.vger.linux-media,org.kernel.vger.linux-s390,org.kernel.vger.linux-trace-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
From: Thierry Reding <[email protected]> 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 <[email protected]> --- .../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