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From: "Marcin Ślusarz" <marcin.slusarz@arm•com>
To: Ketil Johnsen <ketil.johnsen@arm•com>
Cc: "David Airlie" <airlied@gmail•com>,
	"Simona Vetter" <simona@ffwll•ch>,
	"Maarten Lankhorst" <maarten.lankhorst@linux•intel.com>,
	"Maxime Ripard" <mripard@kernel•org>,
	"Thomas Zimmermann" <tzimmermann@suse•de>,
	"Jonathan Corbet" <corbet@lwn•net>,
	"Shuah Khan" <skhan@linuxfoundation•org>,
	"Sumit Semwal" <sumit.semwal@linaro•org>,
	"Benjamin Gaignard" <benjamin.gaignard@collabora•com>,
	"Brian Starkey" <Brian.Starkey@arm•com>,
	"John Stultz" <jstultz@google•com>,
	"T.J. Mercier" <tjmercier@google•com>,
	"Christian König" <christian.koenig@amd•com>,
	"Boris Brezillon" <boris.brezillon@collabora•com>,
	"Steven Price" <steven.price@arm•com>,
	"Liviu Dudau" <liviu.dudau@arm•com>,
	"Daniel Almeida" <daniel.almeida@collabora•com>,
	"Alice Ryhl" <aliceryhl@google•com>,
	"Matthias Brugger" <matthias.bgg@gmail•com>,
	"AngeloGioacchino Del Regno"
	<angelogioacchino.delregno@collabora•com>,
	dri-devel@lists•freedesktop.org, linux-doc@vger•kernel.org,
	linux-kernel@vger•kernel.org, linux-media@vger•kernel.org,
	linaro-mm-sig@lists•linaro.org,
	linux-arm-kernel@lists•infradead.org,
	linux-mediatek@lists•infradead.org, nd@arm•com
Subject: Re: [PATCH 8/8] drm/panthor: Expose protected rendering features
Date: Thu, 7 May 2026 10:47:40 +0200	[thread overview]
Message-ID: <afxRrBmHpHDeMhP2@e129842.arm.com> (raw)
In-Reply-To: <20260505140516.1372388-9-ketil.johnsen@arm.com>

On Tue, May 05, 2026 at 04:05:14PM +0200, Ketil Johnsen wrote:
> @@ -504,6 +509,28 @@ struct drm_panthor_group_priorities_info {
>  	__u8 pad[3];
>  };
>  
> +/**
> + * enum drm_panthor_protected_feature_flags - Supported protected rendering features
> + *
> + * Place new types at the end, don't re-order, don't remove or replace.

I think this note about modification doesn't make much sense as UAPI
documenation, and for driver developers it should implicit, but if you
really want this then I'd change this to:

Place new *flags* at ...

> + */
> +enum drm_panthor_protected_feature_flags {
> +	/** @DRM_PANTHOR_PROTECTED_FEATURE_BASIC: Protected rendering available */
> +	DRM_PANTHOR_PROTECTED_FEATURE_BASIC = 1 << 0,
> +};
> +
> +/**
> + * struct drm_panthor_protected_info - protected support information
> + *
> + * Structure grouping all queryable information relating to the allowed group priorities.

Looks like description was copied from struct drm_panthor_group_priorities_info.

> + */
> +struct drm_panthor_protected_info {
> +	/**
> +	 * @features: Combination of enum drm_panthor_protected_feature_flags flags.
> +	 */
> +	__u32 features;
> +};
> +
>  /**
>   * struct drm_panthor_dev_query - Arguments passed to DRM_PANTHOR_IOCTL_DEV_QUERY
>   */


      parent reply	other threads:[~2026-05-07  8:49 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-05-05 14:05 [PATCH 0/8] drm/panthor: Protected mode support for Mali CSF GPUs Ketil Johnsen
2026-05-05 14:05 ` [PATCH 1/8] dma-heap: Add proper kref handling on dma-buf heaps Ketil Johnsen
2026-05-05 15:20   ` Boris Brezillon
2026-05-05 15:39     ` Maxime Ripard
2026-05-05 16:40       ` Boris Brezillon
2026-05-07 15:33         ` Maxime Ripard
2026-05-05 14:05 ` [PATCH 2/8] dma-heap: Provide accessors so that in-kernel drivers can allocate dmabufs from specific heaps Ketil Johnsen
2026-05-05 15:45   ` Boris Brezillon
2026-05-05 14:05 ` [PATCH 3/8] drm/panthor: De-duplicate FW memory section sync Ketil Johnsen
2026-05-05 15:47   ` Boris Brezillon
2026-05-12 13:37   ` Liviu Dudau
2026-05-05 14:05 ` [PATCH 4/8] drm/panthor: Add support for protected memory allocation in panthor Ketil Johnsen
2026-05-05 16:15   ` Boris Brezillon
2026-05-07  9:02     ` Marcin Ślusarz
2026-05-07 11:53       ` Boris Brezillon
2026-05-12 13:47         ` Liviu Dudau
2026-05-12 14:11           ` Boris Brezillon
2026-05-12 15:38             ` Liviu Dudau
2026-05-13 19:31               ` Chia-I Wu
2026-05-18  7:16                 ` Boris Brezillon
2026-05-19  0:36                   ` Chia-I Wu
2026-05-19  7:39                     ` Boris Brezillon
2026-05-19  8:49                       ` Ketil Johnsen
2026-05-19 17:07                         ` Chia-I Wu
2026-05-19 17:29                           ` Boris Brezillon
2026-05-19  9:52                   ` [Linaro-mm-sig] " Maxime Ripard
2026-05-19 11:37                     ` Boris Brezillon
2026-05-06 10:08   ` Maxime Ripard
2026-05-06 10:50     ` Boris Brezillon
2026-05-06 13:12       ` Maxime Ripard
2026-05-06 15:05         ` Boris Brezillon
2026-05-07 13:39           ` Thierry Reding
2026-05-06 12:43     ` Nicolas Frattaroli
2026-05-06 13:31       ` Maxime Ripard
2026-05-06 12:28   ` Nicolas Frattaroli
2026-05-05 14:05 ` [PATCH 5/8] drm/panthor: Minor scheduler refactoring Ketil Johnsen
2026-05-05 16:19   ` Boris Brezillon
2026-05-06 10:33   ` Boris Brezillon
2026-05-05 14:05 ` [PATCH 6/8] drm/panthor: Explicit expansion of locked VM region Ketil Johnsen
2026-05-05 16:32   ` Boris Brezillon
2026-05-06 15:14   ` Nicolas Frattaroli
2026-05-07 14:54     ` Nicolas Frattaroli
2026-05-05 14:05 ` [PATCH 7/8] drm/panthor: Add support for entering and exiting protected mode Ketil Johnsen
2026-05-05 17:11   ` Boris Brezillon
2026-05-06  8:51   ` Boris Brezillon
2026-05-05 14:05 ` [PATCH 8/8] drm/panthor: Expose protected rendering features Ketil Johnsen
2026-05-06  9:14   ` Boris Brezillon
2026-05-07  8:47   ` Marcin Ślusarz [this message]

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