Re: [PATCH v12 3/9] tee: implement protected DMA-heap

From: Maxime Ripard

Date: Thu Oct 02 2025 - 03:54:54 EST


On Thu, Sep 11, 2025 at 03:49:44PM +0200, Jens Wiklander wrote:
> +static const char *heap_id_2_name(enum tee_dma_heap_id id)
> +{
> + switch (id) {
> + case TEE_DMA_HEAP_SECURE_VIDEO_PLAY:
> + return "protected,secure-video";
> + case TEE_DMA_HEAP_TRUSTED_UI:
> + return "protected,trusted-ui";
> + case TEE_DMA_HEAP_SECURE_VIDEO_RECORD:
> + return "protected,secure-video-record";
> + default:
> + return NULL;
> + }
> +}

We've recently agreed on a naming guideline (even though it's not merged yet)

https://lore.kernel.org/r/20250728-dma-buf-heap-names-doc-v4-1-f73f71cf0dfd@xxxxxxxxxx

Secure and trusted should be defined I guess, because secure and
protected at least seem redundant to me.

Maxime

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