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authorTomeu Vizoso <tomeu.vizoso@collabora.com>2022-12-01 11:30:22 +0100
committerLucas Stach <l.stach@pengutronix.de>2023-02-01 16:32:26 +0100
commitd801e6f4e1acca0c578051f2733dda04441e42d0 (patch)
tree06829ec0b078dc46ee9d55283de693689f277dfb
parentdrm/etnaviv: Add nn_core_count to chip feature struct (diff)
downloadwireguard-linux-d801e6f4e1acca0c578051f2733dda04441e42d0.tar.xz
wireguard-linux-d801e6f4e1acca0c578051f2733dda04441e42d0.zip
drm/etnaviv: Warn when probing on NPUs
Userspace is still not making full use of the hardware, so we don't know yet if changes to the UAPI won't be needed. Warn about it. Signed-off-by: Tomeu Vizoso <tomeu.vizoso@collabora.com> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Diffstat (limited to '')
-rw-r--r--drivers/gpu/drm/etnaviv/etnaviv_gpu.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 51320eeebfcf..a639cc971e2e 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -773,6 +773,10 @@ int etnaviv_gpu_init(struct etnaviv_gpu *gpu)
goto fail;
}
+ if (gpu->identity.nn_core_count > 0)
+ dev_warn(gpu->dev, "etnaviv has been instantiated on a NPU, "
+ "for which the UAPI is still experimental\n");
+
/* Exclude VG cores with FE2.0 */
if (gpu->identity.features & chipFeatures_PIPE_VG &&
gpu->identity.features & chipFeatures_FE20) {