linux-kernel - [PATCH v4 6/7] drm/etnaviv: Add nn_core

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Message-Id: <20221201092131.62867-7-tomeu.vizoso@collabora.com>
Date:   Thu,  1 Dec 2022 10:21:27 +0100
From:   Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     italonicola@...labora.com,
        Tomeu Vizoso <tomeu.vizoso@...labora.com>,
        Lucas Stach <l.stach@...gutronix.de>,
        Russell King <linux+etnaviv@...linux.org.uk>,
        Christian Gmeiner <christian.gmeiner@...il.com>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>,
        etnaviv@...ts.freedesktop.org (moderated list:DRM DRIVERS FOR VIVANTE
        GPU IP),
        dri-devel@...ts.freedesktop.org (open list:DRM DRIVERS FOR VIVANTE GPU
        IP), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH v4 6/7] drm/etnaviv: Add nn_core_count to chip feature struct

We will use these for differentiating between GPUs and NPUs, as the
downstream driver does.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.h  | 3 +++
 drivers/gpu/drm/etnaviv/etnaviv_hwdb.c | 5 +++++
 2 files changed, 8 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 3f6fd9a3c088..9fc5223299e4 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,
@@ -140,6 +144,7 @@ static const struct etnaviv_chip_identity etnaviv_chip_identities[] = {
 		.register_max = 64,
 		.thread_count = 256,
 		.shader_core_count = 1,
+		.nn_core_count = 8,
 		.vertex_cache_size = 16,
 		.vertex_output_buffer_size = 1024,
 		.pixel_pipes = 1,
-- 
2.38.1