Re: [PATCH 2/4] panthor: Add igt_panthor_get_arch() helper

[Liviu Dudau <liviu.dudau@arm.com>]

On Thu, Oct 15, 2026 at 02:05:47PM +0100, Daniel Stone wrote:
> This will identify the major architecture revision.
> 
> Signed-off-by: Daniel Stone <daniels@collabora.com>

Reviewed-by: Liviu Dudau <liviu.dudau@arm.com>

Best regards,
Liviu

> ---
>  lib/igt_panthor.c | 17 +++++++++++++++++
>  lib/igt_panthor.h |  1 +
>  2 files changed, 18 insertions(+)
> 
> diff --git a/lib/igt_panthor.c b/lib/igt_panthor.c
> index cd6b6b7fd..f5c6859e2 100644
> --- a/lib/igt_panthor.c
> +++ b/lib/igt_panthor.c
> @@ -370,3 +370,20 @@ void igt_panthor_free_bo(int fd, struct panthor_bo *bo)
>  
>  	gem_close(fd, bo->handle);
>  }
> +
> +/**
> + * igt_panthor_get_arch:
> + * @fd: panthor device file descriptor
> + *
> + * Get the architecture major version for this device.
> + *
> + * Returns: The Mali architecture major version
> + */
> +int igt_panthor_get_arch(int fd)
> +{
> +	struct drm_panthor_gpu_info gpu_info = { 0 };
> +
> +	igt_panthor_query(fd, DRM_PANTHOR_DEV_QUERY_GPU_INFO,
> +			  &gpu_info, sizeof(gpu_info), 0);
> +	return DRM_PANTHOR_ARCH_MAJOR(gpu_info.gpu_id);
> +}
> diff --git a/lib/igt_panthor.h b/lib/igt_panthor.h
> index 63c4f2bf4..3056ebd75 100644
> --- a/lib/igt_panthor.h
> +++ b/lib/igt_panthor.h
> @@ -36,6 +36,7 @@ void igt_panthor_group_submit_simple(int fd, uint32_t group_handle,
>  				     uint32_t queue_index, uint64_t stream_addr,
>  				     uint32_t stream_size, uint32_t syncobj_handle,
>  				     int err);
> +int igt_panthor_get_arch(int fd);
>  
>  static inline void igt_panthor_vm_bind(int fd, uint32_t vm_id, uint32_t bo_handle,
>  				       uint64_t va, uint64_t size, uint32_t flags, int err)
> -- 
> 2.47.3
> 

-- 
====================
| I would like to |
| fix the world,  |
| but they're not |
| giving me the   |
 \ source code!  /
  ---------------
    ¯\_(ツ)_/¯