linux-kernel - Re: [PATCH] drm/etnaviv: provide more ID values via GET

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Message-ID: <f65185790a373d293a111316768e3e8ece3e97da.camel@pengutronix.de>
Date:   Mon, 25 Jan 2021 18:32:18 +0100
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Christian Gmeiner <christian.gmeiner@...il.com>,
        linux-kernel@...r.kernel.org
Cc:     Russell King <linux+etnaviv@...linux.org.uk>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, etnaviv@...ts.freedesktop.org,
        dri-devel@...ts.freedesktop.org
Subject: Re: [PATCH] drm/etnaviv: provide more ID values via GET_PARAM ioctl.

Am Mittwoch, dem 16.12.2020 um 12:42 +0100 schrieb Christian Gmeiner:
> Make it possible for the user space to access these ID values.

Thanks, I've added this patch to my etnaviv/next branch.

Regards,
Lucas

> Signed-off-by: Christian Gmeiner <christian.gmeiner@...il.com>
> ---
>  drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 12 ++++++++++++
>  include/uapi/drm/etnaviv_drm.h        |  3 +++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> index c6404b8d067f..ec16991ba8b6 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> @@ -156,6 +156,18 @@ int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value)
>  			*value = ~0ULL;
>  		break;
>  
> 
> 
> 
> +	case ETNAVIV_PARAM_GPU_PRODUCT_ID:
> +		*value = gpu->identity.product_id;
> +		break;
> +
> +	case ETNAVIV_PARAM_GPU_CUSTOMER_ID:
> +		*value = gpu->identity.customer_id;
> +		break;
> +
> +	case ETNAVIV_PARAM_GPU_ECO_ID:
> +		*value = gpu->identity.eco_id;
> +		break;
> +
>  	default:
>  		DBG("%s: invalid param: %u", dev_name(gpu->dev), param);
>  		return -EINVAL;
> diff --git a/include/uapi/drm/etnaviv_drm.h b/include/uapi/drm/etnaviv_drm.h
> index 09d0df8b71c5..af024d90453d 100644
> --- a/include/uapi/drm/etnaviv_drm.h
> +++ b/include/uapi/drm/etnaviv_drm.h
> @@ -74,6 +74,9 @@ struct drm_etnaviv_timespec {
>  #define ETNAVIV_PARAM_GPU_NUM_CONSTANTS             0x19
>  #define ETNAVIV_PARAM_GPU_NUM_VARYINGS              0x1a
>  #define ETNAVIV_PARAM_SOFTPIN_START_ADDR            0x1b
> +#define ETNAVIV_PARAM_GPU_PRODUCT_ID                0x1c
> +#define ETNAVIV_PARAM_GPU_CUSTOMER_ID               0x1d
> +#define ETNAVIV_PARAM_GPU_ECO_ID                    0x1e
>  
> 
> 
> 
>  #define ETNA_MAX_PIPES 4
>  
> 
> 
>