From d91e470f1f153d4104d94757d91bfe750c55995b Mon Sep 17 00:00:00 2001
From: Ben Skeggs <bskeggs@redhat.com>
Date: Wed, 1 Jun 2022 20:46:02 +1000
Subject: drm/nouveau/nvkm: zero out engine pointer for subdev-provided classes
Git-commit: 4ddf8d7dedb881c6638850f1b74ff1f9967c89b7
Patch-mainline: v6.0-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225 jsc#PED-2849
Doesn't fix any known issue, but noticed fifo being initialised in
logs in response to mmu allocation.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/nouveau/nvkm/engine/device/user.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
index 113ddc103ac2..45f509c11c36 100644
--- a/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
+++ b/drivers/gpu/drm/nouveau/nvkm/engine/device/user.c
@@ -346,6 +346,7 @@ nvkm_udevice_child_get(struct nvkm_object *object, int index,
return -EINVAL;
oclass->base = sclass->base;
+ oclass->engine = NULL;
}
oclass->ctor = nvkm_udevice_child_new;
--
2.38.1