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Date: Wed, 10 Sep 2025 16:04:35 +0200
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Subject: Re: [PATCH v3] rust: drm: Introduce the Tyr driver for Arm Mali GPUs
To: Daniel Almeida <daniel.almeida@collabora.com>
Cc: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>,
 Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann <tzimmermann@suse.de>,
 David Airlie <airlied@gmail.com>, Simona Vetter <simona@ffwll.ch>,
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 Daniel Stone <daniels@collabora.com>, Rob Herring <robh@kernel.org>,
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 Boris Brezillon <boris.brezillon@collabora.com>,
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 <jeffv@google.com>, Sumit Semwal <sumit.semwal@linaro.org>,
 =?UTF-8?Q?Christian_K=C3=B6nig?= <christian.koenig@amd.com>,
 linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org,
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References: <20250910-tyr-v3-1-dba3bc2ae623@collabora.com>
From: Danilo Krummrich <dakr@kernel.org>
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In-Reply-To: <20250910-tyr-v3-1-dba3bc2ae623@collabora.com>
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On 9/10/25 3:51 PM, Daniel Almeida wrote:
> diff --git a/drivers/gpu/drm/tyr/Kconfig b/drivers/gpu/drm/tyr/Kconfig
> new file mode 100644
> index 0000000000000000000000000000000000000000..de910b2cba3a48e0b238eb0f66279758c02dfb6f
> --- /dev/null
> +++ b/drivers/gpu/drm/tyr/Kconfig
> @@ -0,0 +1,17 @@
> +# SPDX-License-Identifier: GPL-2.0 or MIT
> +
> +config DRM_TYR
> +	tristate "Tyr (Rust DRM support for ARM Mali CSF-based GPUs)"
> +	depends on DRM=y
> +	depends on RUST
> +	depends on ARM || ARM64 || COMPILE_TEST
> +	depends on !GENERIC_ATOMIC64  # for IOMMU_IO_PGTABLE_LPAE

For the Nova drivers I did add

	default n

as long as the driver is work in progress.

> +	help
> +	  Rust DRM driver for ARM Mali CSF-based GPUs.
> +
> +	  This driver is for Mali (or Immortalis) Valhall Gxxx GPUs.
> +
> +	  Note that the Mali-G68 and Mali-G78, while Valhall architecture, will
> +	  be supported with the panfrost driver as they are not CSF GPUs.
> +
> +	  if M is selected, the module will be called tyr.

I also did add

	This driver is work in progress and may not be functional.

to make it clear what people will get.