From b3155f8944de71787491aa1cedbf079939539de7 Mon Sep 17 00:00:00 2001 From: Tomeu Vizoso Date: Sat, 3 Dec 2022 06:02:31 +0000 Subject: [PATCH 024/120] FROMGIT(6.3): 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 --- drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c index f667e7906d1f..2fb70c73cf71 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c @@ -772,6 +772,10 @@ 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) { -- 2.34.1