linux-kernel - Re: [PATCH v5 5/7] drm/etnaviv: Add nn_core

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Date:   Thu, 01 Dec 2022 19:01:18 +0100
From:   Lucas Stach <l.stach@...gutronix.de>
To:     Tomeu Vizoso <tomeu.vizoso@...labora.com>
Cc:     italonicola@...labora.com,
        "moderated list:DRM DRIVERS FOR VIVANTE GPU IP" 
        <etnaviv@...ts.freedesktop.org>,
        "open list:DRM DRIVERS FOR VIVANTE GPU IP" 
        <dri-devel@...ts.freedesktop.org>,
        open list <linux-kernel@...r.kernel.org>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        Russell King <linux+etnaviv@...linux.org.uk>,
        David Airlie <airlied@...il.com>
Subject: Re: [PATCH v5 5/7] drm/etnaviv: Add nn_core_count to chip feature
 struct

Am Donnerstag, dem 01.12.2022 um 11:30 +0100 schrieb Tomeu Vizoso:
> We will use these for differentiating between GPUs and NPUs, as the
> downstream driver does.
> 
Thanks, patches 5-7 applied to my etnaviv/next branch.

Regards,
Lucas

> Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
> ---
>  drivers/gpu/drm/etnaviv/etnaviv_gpu.h  | 3 +++
>  drivers/gpu/drm/etnaviv/etnaviv_hwdb.c | 4 ++++
>  2 files changed, 7 insertions(+)
> 
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> index 85eddd492774..c8f3ad2031ce 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> @@ -50,6 +50,9 @@ struct etnaviv_chip_identity {
>  	/* Number of shader cores. */
>  	u32 shader_core_count;
>  
> +	/* Number of Neural Network cores. */
> +	u32 nn_core_count;
> +
>  	/* Size of the vertex cache. */
>  	u32 vertex_cache_size;
>  
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
> index f2fc645c7956..44df273a5aae 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
> @@ -16,6 +16,7 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
>  		.register_max = 64,
>  		.thread_count = 128,
>  		.shader_core_count = 1,
> +		.nn_core_count = 0,
>  		.vertex_cache_size = 8,
>  		.vertex_output_buffer_size = 1024,
>  		.pixel_pipes = 1,
> @@ -47,6 +48,7 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
>  		.register_max = 64,
>  		.thread_count = 512,
>  		.shader_core_count = 2,
> +		.nn_core_count = 0,
>  		.vertex_cache_size = 16,
>  		.vertex_output_buffer_size = 1024,
>  		.pixel_pipes = 1,
> @@ -78,6 +80,7 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
>  		.register_max = 64,
>  		.thread_count = 512,
>  		.shader_core_count = 2,
> +		.nn_core_count = 0,
>  		.vertex_cache_size = 16,
>  		.vertex_output_buffer_size = 1024,
>  		.pixel_pipes = 1,
> @@ -109,6 +112,7 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
>  		.register_max = 64,
>  		.thread_count = 1024,
>  		.shader_core_count = 4,
> +		.nn_core_count = 0,
>  		.vertex_cache_size = 16,
>  		.vertex_output_buffer_size = 1024,
>  		.pixel_pipes = 2,