2023-11-16 14:09:47

by Tomeu Vizoso

Subject: [PATCH] drm/etnaviv: Expose a few more chipspecs to userspace

These ones will be needed to make use fo the NN and TP units in the NPUs
based on Vivante IP.

Also fix the number of NN cores in the VIPNano-qi.

Signed-off-by: Tomeu Vizoso <[email protected]>
---
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 20 ++++++++++++++++++++
drivers/gpu/drm/etnaviv/etnaviv_gpu.h | 12 ++++++++++++
drivers/gpu/drm/etnaviv/etnaviv_hwdb.c | 22 +++++++++++++++++++++-
include/uapi/drm/etnaviv_drm.h | 5 +++++
4 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 5f96e7b1a9ec..9a18b5431975 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -164,6 +164,26 @@ int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value)
*value = gpu->identity.eco_id;
break;

+ case ETNAVIV_PARAM_GPU_NN_CORE_COUNT:
+ *value = gpu->identity.nn_core_count;
+ break;
+
+ case ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE:
+ *value = gpu->identity.nn_mad_per_core;
+ break;
+
+ case ETNAVIV_PARAM_GPU_TP_CORE_COUNT:
+ *value = gpu->identity.tp_core_count;
+ break;
+
+ case ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE:
+ *value = gpu->identity.on_chip_sram_size;
+ break;
+
+ case ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE:
+ *value = gpu->identity.axi_sram_size;
+ break;
+
default:
DBG("%s: invalid param: %u", dev_name(gpu->dev), param);
return -EINVAL;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index c8f3ad2031ce..83ef3c06da5d 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -53,6 +53,18 @@ struct etnaviv_chip_identity {
/* Number of Neural Network cores. */
u32 nn_core_count;

+ /* Number of MAD units per Neural Network core. */
+ u32 nn_mad_per_core;
+
+ /* Number of Tensor Processing cores. */
+ u32 tp_core_count;
+
+ /* Size in bytes of the SRAM inside the NPU. */
+ u32 on_chip_sram_size;
+
+ /* Size in bytes of the SRAM across the AXI bus. */
+ u32 axi_sram_size;
+
/* 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 0cb5aacaf384..93f15cce6d22 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
@@ -17,6 +17,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 128,
.shader_core_count = 1,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 8,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -49,6 +53,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 512,
.shader_core_count = 2,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -81,6 +89,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 512,
.shader_core_count = 2,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -113,6 +125,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 1024,
.shader_core_count = 4,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 2,
@@ -144,7 +160,11 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.register_max = 64,
.thread_count = 256,
.shader_core_count = 1,
- .nn_core_count = 1,
+ .nn_core_count = 8,
+ .nn_mad_per_core = 64,
+ .tp_core_count = 4,
+ .on_chip_sram_size = 524288,
+ .axi_sram_size = 1048576,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
diff --git a/include/uapi/drm/etnaviv_drm.h b/include/uapi/drm/etnaviv_drm.h
index af024d90453d..d87410a8443a 100644
--- a/include/uapi/drm/etnaviv_drm.h
+++ b/include/uapi/drm/etnaviv_drm.h
@@ -77,6 +77,11 @@ struct drm_etnaviv_timespec {
#define ETNAVIV_PARAM_GPU_PRODUCT_ID 0x1c
#define ETNAVIV_PARAM_GPU_CUSTOMER_ID 0x1d
#define ETNAVIV_PARAM_GPU_ECO_ID 0x1e
+#define ETNAVIV_PARAM_GPU_NN_CORE_COUNT 0x1f
+#define ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE 0x20
+#define ETNAVIV_PARAM_GPU_TP_CORE_COUNT 0x21
+#define ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE 0x22
+#define ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE 0x23

#define ETNA_MAX_PIPES 4

--
2.41.0

2023-11-17 08:51:34

by Christian Gmeiner

Subject: Re: [PATCH] drm/etnaviv: Expose a few more chipspecs to userspace

Hi Tomeu


>
> These ones will be needed to make use fo the NN and TP units in the NPUs
> based on Vivante IP.
>
> Also fix the number of NN cores in the VIPNano-qi.
>
> Signed-off-by: Tomeu Vizoso <[email protected]>
> ---
> drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 20 ++++++++++++++++++++
> drivers/gpu/drm/etnaviv/etnaviv_gpu.h | 12 ++++++++++++
> drivers/gpu/drm/etnaviv/etnaviv_hwdb.c | 22 +++++++++++++++++++++-
> include/uapi/drm/etnaviv_drm.h | 5 +++++
> 4 files changed, 58 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> index 5f96e7b1a9ec..9a18b5431975 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> @@ -164,6 +164,26 @@ int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value)
> *value = gpu->identity.eco_id;
> break;
>
> + case ETNAVIV_PARAM_GPU_NN_CORE_COUNT:
> + *value = gpu->identity.nn_core_count;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE:
> + *value = gpu->identity.nn_mad_per_core;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_TP_CORE_COUNT:
> + *value = gpu->identity.tp_core_count;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE:
> + *value = gpu->identity.on_chip_sram_size;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE:
> + *value = gpu->identity.axi_sram_size;
> + break;
> +
> default:
> DBG("%s: invalid param: %u", dev_name(gpu->dev), param);
> return -EINVAL;
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> index c8f3ad2031ce..83ef3c06da5d 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> @@ -53,6 +53,18 @@ struct etnaviv_chip_identity {
> /* Number of Neural Network cores. */
> u32 nn_core_count;
>
> + /* Number of MAD units per Neural Network core. */
> + u32 nn_mad_per_core;
> +
> + /* Number of Tensor Processing cores. */
> + u32 tp_core_count;
> +
> + /* Size in bytes of the SRAM inside the NPU. */
> + u32 on_chip_sram_size;
> +
> + /* Size in bytes of the SRAM across the AXI bus. */
> + u32 axi_sram_size;
> +
> /* 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 0cb5aacaf384..93f15cce6d22 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
> @@ -17,6 +17,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 128,
> .shader_core_count = 1,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 8,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -49,6 +53,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 512,
> .shader_core_count = 2,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -81,6 +89,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 512,
> .shader_core_count = 2,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -113,6 +125,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 1024,
> .shader_core_count = 4,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 2,
> @@ -144,7 +160,11 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .register_max = 64,
> .thread_count = 256,
> .shader_core_count = 1,
> - .nn_core_count = 1,
> + .nn_core_count = 8,
> + .nn_mad_per_core = 64,
> + .tp_core_count = 4,
> + .on_chip_sram_size = 524288,
> + .axi_sram_size = 1048576,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,

I am counting 8 entries in the etnaviv_chip_identities array and you
are just updating 5 of them.

> diff --git a/include/uapi/drm/etnaviv_drm.h b/include/uapi/drm/etnaviv_drm.h
> index af024d90453d..d87410a8443a 100644
> --- a/include/uapi/drm/etnaviv_drm.h
> +++ b/include/uapi/drm/etnaviv_drm.h
> @@ -77,6 +77,11 @@ struct drm_etnaviv_timespec {
> #define ETNAVIV_PARAM_GPU_PRODUCT_ID 0x1c
> #define ETNAVIV_PARAM_GPU_CUSTOMER_ID 0x1d
> #define ETNAVIV_PARAM_GPU_ECO_ID 0x1e
> +#define ETNAVIV_PARAM_GPU_NN_CORE_COUNT 0x1f
> +#define ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE 0x20
> +#define ETNAVIV_PARAM_GPU_TP_CORE_COUNT 0x21
> +#define ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE 0x22
> +#define ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE 0x23
>
> #define ETNA_MAX_PIPES 4
>
> --
> 2.41.0
>


--
greets
--
Christian Gmeiner, MSc

https://christian-gmeiner.info/privacypolicy

2023-11-21 06:33:21

by Tomeu Vizoso

Subject: [PATCH v2] drm/etnaviv: Expose a few more chipspecs to userspace

These ones will be needed to make use fo the NN and TP units in the NPUs
based on Vivante IP.

Also fix the number of NN cores in the VIPNano-qi.

Signed-off-by: Tomeu Vizoso <[email protected]>

---

v2: Update a few chipspecs that I had missed before. (Christian)
---
drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 20 +++++++++++++++
drivers/gpu/drm/etnaviv/etnaviv_gpu.h | 12 +++++++++
drivers/gpu/drm/etnaviv/etnaviv_hwdb.c | 34 ++++++++++++++++++++++++++
include/uapi/drm/etnaviv_drm.h | 5 ++++
4 files changed, 71 insertions(+)

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 9276756e1397..9055ed08cd7b 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -164,6 +164,26 @@ int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value)
*value = gpu->identity.eco_id;
break;

+ case ETNAVIV_PARAM_GPU_NN_CORE_COUNT:
+ *value = gpu->identity.nn_core_count;
+ break;
+
+ case ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE:
+ *value = gpu->identity.nn_mad_per_core;
+ break;
+
+ case ETNAVIV_PARAM_GPU_TP_CORE_COUNT:
+ *value = gpu->identity.tp_core_count;
+ break;
+
+ case ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE:
+ *value = gpu->identity.on_chip_sram_size;
+ break;
+
+ case ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE:
+ *value = gpu->identity.axi_sram_size;
+ break;
+
default:
DBG("%s: invalid param: %u", dev_name(gpu->dev), param);
return -EINVAL;
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
index 197e0037732e..7d5e9158e13c 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
@@ -54,6 +54,18 @@ struct etnaviv_chip_identity {
/* Number of Neural Network cores. */
u32 nn_core_count;

+ /* Number of MAD units per Neural Network core. */
+ u32 nn_mad_per_core;
+
+ /* Number of Tensor Processing cores. */
+ u32 tp_core_count;
+
+ /* Size in bytes of the SRAM inside the NPU. */
+ u32 on_chip_sram_size;
+
+ /* Size in bytes of the SRAM across the AXI bus. */
+ u32 axi_sram_size;
+
/* 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 67201242438b..9eb8ca7c5034 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
@@ -17,6 +17,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 128,
.shader_core_count = 1,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 8,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -48,6 +52,11 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.register_max = 64,
.thread_count = 256,
.shader_core_count = 1,
+ .nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 8,
.vertex_output_buffer_size = 512,
.pixel_pipes = 1,
@@ -80,6 +89,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 512,
.shader_core_count = 2,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -112,6 +125,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 512,
.shader_core_count = 2,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -143,6 +160,11 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.register_max = 64,
.thread_count = 512,
.shader_core_count = 2,
+ .nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -175,6 +197,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 1024,
.shader_core_count = 4,
.nn_core_count = 0,
+ .nn_mad_per_core = 0,
+ .tp_core_count = 0,
+ .on_chip_sram_size = 0,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 2,
@@ -207,6 +233,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 256,
.shader_core_count = 1,
.nn_core_count = 8,
+ .nn_mad_per_core = 64,
+ .tp_core_count = 4,
+ .on_chip_sram_size = 524288,
+ .axi_sram_size = 1048576,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
@@ -239,6 +269,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
.thread_count = 256,
.shader_core_count = 1,
.nn_core_count = 6,
+ .nn_mad_per_core = 64,
+ .tp_core_count = 3,
+ .on_chip_sram_size = 262144,
+ .axi_sram_size = 0,
.vertex_cache_size = 16,
.vertex_output_buffer_size = 1024,
.pixel_pipes = 1,
diff --git a/include/uapi/drm/etnaviv_drm.h b/include/uapi/drm/etnaviv_drm.h
index af024d90453d..d87410a8443a 100644
--- a/include/uapi/drm/etnaviv_drm.h
+++ b/include/uapi/drm/etnaviv_drm.h
@@ -77,6 +77,11 @@ struct drm_etnaviv_timespec {
#define ETNAVIV_PARAM_GPU_PRODUCT_ID 0x1c
#define ETNAVIV_PARAM_GPU_CUSTOMER_ID 0x1d
#define ETNAVIV_PARAM_GPU_ECO_ID 0x1e
+#define ETNAVIV_PARAM_GPU_NN_CORE_COUNT 0x1f
+#define ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE 0x20
+#define ETNAVIV_PARAM_GPU_TP_CORE_COUNT 0x21
+#define ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE 0x22
+#define ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE 0x23

#define ETNA_MAX_PIPES 4

--
2.42.0

2023-11-22 09:07:42

by Christian Gmeiner

Subject: Re: [PATCH v2] drm/etnaviv: Expose a few more chipspecs to userspace

Am Di., 21. Nov. 2023 um 07:33 Uhr schrieb Tomeu Vizoso <[email protected]>:
>
> These ones will be needed to make use fo the NN and TP units in the NPUs
> based on Vivante IP.
>
> Also fix the number of NN cores in the VIPNano-qi.
>
> Signed-off-by: Tomeu Vizoso <[email protected]>
>

I have not checked all the new values but it looks fine to me.

Acked-by: Christian Gmeiner <[email protected]>

> ---
>
> v2: Update a few chipspecs that I had missed before. (Christian)
> ---
> drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 20 +++++++++++++++
> drivers/gpu/drm/etnaviv/etnaviv_gpu.h | 12 +++++++++
> drivers/gpu/drm/etnaviv/etnaviv_hwdb.c | 34 ++++++++++++++++++++++++++
> include/uapi/drm/etnaviv_drm.h | 5 ++++
> 4 files changed, 71 insertions(+)
>
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> index 9276756e1397..9055ed08cd7b 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> @@ -164,6 +164,26 @@ int etnaviv_gpu_get_param(struct etnaviv_gpu *gpu, u32 param, u64 *value)
> *value = gpu->identity.eco_id;
> break;
>
> + case ETNAVIV_PARAM_GPU_NN_CORE_COUNT:
> + *value = gpu->identity.nn_core_count;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE:
> + *value = gpu->identity.nn_mad_per_core;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_TP_CORE_COUNT:
> + *value = gpu->identity.tp_core_count;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE:
> + *value = gpu->identity.on_chip_sram_size;
> + break;
> +
> + case ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE:
> + *value = gpu->identity.axi_sram_size;
> + break;
> +
> default:
> DBG("%s: invalid param: %u", dev_name(gpu->dev), param);
> return -EINVAL;
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> index 197e0037732e..7d5e9158e13c 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.h
> @@ -54,6 +54,18 @@ struct etnaviv_chip_identity {
> /* Number of Neural Network cores. */
> u32 nn_core_count;
>
> + /* Number of MAD units per Neural Network core. */
> + u32 nn_mad_per_core;
> +
> + /* Number of Tensor Processing cores. */
> + u32 tp_core_count;
> +
> + /* Size in bytes of the SRAM inside the NPU. */
> + u32 on_chip_sram_size;
> +
> + /* Size in bytes of the SRAM across the AXI bus. */
> + u32 axi_sram_size;
> +
> /* 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 67201242438b..9eb8ca7c5034 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_hwdb.c
> @@ -17,6 +17,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 128,
> .shader_core_count = 1,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 8,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -48,6 +52,11 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .register_max = 64,
> .thread_count = 256,
> .shader_core_count = 1,
> + .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 8,
> .vertex_output_buffer_size = 512,
> .pixel_pipes = 1,
> @@ -80,6 +89,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 512,
> .shader_core_count = 2,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -112,6 +125,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 512,
> .shader_core_count = 2,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -143,6 +160,11 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .register_max = 64,
> .thread_count = 512,
> .shader_core_count = 2,
> + .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -175,6 +197,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 1024,
> .shader_core_count = 4,
> .nn_core_count = 0,
> + .nn_mad_per_core = 0,
> + .tp_core_count = 0,
> + .on_chip_sram_size = 0,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 2,
> @@ -207,6 +233,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 256,
> .shader_core_count = 1,
> .nn_core_count = 8,
> + .nn_mad_per_core = 64,
> + .tp_core_count = 4,
> + .on_chip_sram_size = 524288,
> + .axi_sram_size = 1048576,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> @@ -239,6 +269,10 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
> .thread_count = 256,
> .shader_core_count = 1,
> .nn_core_count = 6,
> + .nn_mad_per_core = 64,
> + .tp_core_count = 3,
> + .on_chip_sram_size = 262144,
> + .axi_sram_size = 0,
> .vertex_cache_size = 16,
> .vertex_output_buffer_size = 1024,
> .pixel_pipes = 1,
> diff --git a/include/uapi/drm/etnaviv_drm.h b/include/uapi/drm/etnaviv_drm.h
> index af024d90453d..d87410a8443a 100644
> --- a/include/uapi/drm/etnaviv_drm.h
> +++ b/include/uapi/drm/etnaviv_drm.h
> @@ -77,6 +77,11 @@ struct drm_etnaviv_timespec {
> #define ETNAVIV_PARAM_GPU_PRODUCT_ID 0x1c
> #define ETNAVIV_PARAM_GPU_CUSTOMER_ID 0x1d
> #define ETNAVIV_PARAM_GPU_ECO_ID 0x1e
> +#define ETNAVIV_PARAM_GPU_NN_CORE_COUNT 0x1f
> +#define ETNAVIV_PARAM_GPU_NN_MAD_PER_CORE 0x20
> +#define ETNAVIV_PARAM_GPU_TP_CORE_COUNT 0x21
> +#define ETNAVIV_PARAM_GPU_ON_CHIP_SRAM_SIZE 0x22
> +#define ETNAVIV_PARAM_GPU_AXI_SRAM_SIZE 0x23
>
> #define ETNA_MAX_PIPES 4
>
> --
> 2.42.0
>


--
greets
--
Christian Gmeiner, MSc

https://christian-gmeiner.info/privacypolicy