diff mbox series

[v4,7/7] drm/etnaviv: Warn when probing on NPUs

Message ID 20221201092131.62867-8-tomeu.vizoso@collabora.com
State New
Headers
Series Support for the NPU in Vim3 |

Commit Message

Tomeu Vizoso Dec. 1, 2022, 9:21 a.m. UTC 
  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>
---
 drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 4 ++++
 1 file changed, 4 insertions(+)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
index 37018bc55810..3cbc82bbf8d4 100644
--- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
+++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
@@ -765,6 +765,10 @@  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) {