linux-kernel - Re: [PATCH v8 6/6] drm/panthor: Add support for Mali-Gx20 and Mali-Gx25 GPUs

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Message-ID: <6fa8edbe-6f36-4390-b783-cbf29715a940@arm.com>
Date: Thu, 24 Jul 2025 13:50:25 +0100
From: Steven Price <steven.price@....com>
To: Karunika Choo <karunika.choo@....com>, dri-devel@...ts.freedesktop.org
Cc: nd@....com, Boris Brezillon <boris.brezillon@...labora.com>,
 Liviu Dudau <liviu.dudau@....com>,
 Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
 Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
 David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v8 6/6] drm/panthor: Add support for Mali-Gx20 and
 Mali-Gx25 GPUs

On 24/07/2025 13:42, Karunika Choo wrote:
> This patch adds firmware binary and GPU model naming support for
> Mali-Gx20 and Mali-Gx25 GPUs.
> 
> Signed-off-by: Karunika Choo <karunika.choo@....com>

Reviewed-by: Steven Price <steven.price@....com>

> ---
>  drivers/gpu/drm/panthor/panthor_fw.c |  2 ++
>  drivers/gpu/drm/panthor/panthor_hw.c | 18 ++++++++++++++++++
>  2 files changed, 20 insertions(+)
> 
> diff --git a/drivers/gpu/drm/panthor/panthor_fw.c b/drivers/gpu/drm/panthor/panthor_fw.c
> index fa6e0b48a0b2..9bf06e55eaee 100644
> --- a/drivers/gpu/drm/panthor/panthor_fw.c
> +++ b/drivers/gpu/drm/panthor/panthor_fw.c
> @@ -1405,3 +1405,5 @@ MODULE_FIRMWARE("arm/mali/arch10.8/mali_csffw.bin");
>  MODULE_FIRMWARE("arm/mali/arch10.10/mali_csffw.bin");
>  MODULE_FIRMWARE("arm/mali/arch10.12/mali_csffw.bin");
>  MODULE_FIRMWARE("arm/mali/arch11.8/mali_csffw.bin");
> +MODULE_FIRMWARE("arm/mali/arch12.8/mali_csffw.bin");
> +MODULE_FIRMWARE("arm/mali/arch13.8/mali_csffw.bin");
> diff --git a/drivers/gpu/drm/panthor/panthor_hw.c b/drivers/gpu/drm/panthor/panthor_hw.c
> index 8c041e1074a1..4f2858114e5e 100644
> --- a/drivers/gpu/drm/panthor/panthor_hw.c
> +++ b/drivers/gpu/drm/panthor/panthor_hw.c
> @@ -35,6 +35,24 @@ static char *get_gpu_model_name(struct panthor_device *ptdev)
>  		fallthrough;
>  	case GPU_PROD_ID_MAKE(11, 3):
>  		return "Mali-G615";
> +	case GPU_PROD_ID_MAKE(12, 0):
> +		if (shader_core_count >= 10 && ray_intersection)
> +			return "Mali-G720-Immortalis";
> +		else if (shader_core_count >= 6)
> +			return "Mali-G720";
> +
> +		fallthrough;
> +	case GPU_PROD_ID_MAKE(12, 1):
> +		return "Mali-G620";
> +	case GPU_PROD_ID_MAKE(13, 0):
> +		if (shader_core_count >= 10 && ray_intersection)
> +			return "Mali-G925-Immortalis";
> +		else if (shader_core_count >= 6)
> +			return "Mali-G725";
> +
> +		fallthrough;
> +	case GPU_PROD_ID_MAKE(13, 1):
> +		return "Mali-G625";
>  	}
>  
>  	return "(Unknown Mali GPU)";