summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorBen Skeggs <bskeggs@redhat.com>2014-12-05 11:03:18 +1000
committerBen Skeggs <bskeggs@redhat.com>2015-01-22 12:14:47 +1000
commit0527a04fe837d66f2d1f8606d625a59d4a1c52cd (patch)
treedb8aa3368a3b3eb0ac8ad2b19136dc0ad75e6f6a
parente138c7d8fcb4b40a31346b8ffb955f8f25adba3f (diff)
downloadop-kernel-dev-0527a04fe837d66f2d1f8606d625a59d4a1c52cd.zip
op-kernel-dev-0527a04fe837d66f2d1f8606d625a59d4a1c52cd.tar.gz
drm/nouveau/core: prepare printk for NULL engine pointer on device object tree
The [ SUBDEV] specified in log output will be a bit different for children of a subdev now. Previously this reports whatever subdev is specified by object.engine, now it reports the subdev that owns the object (so, up object.parent somewhere). Later patches will append object and class identifiers to messages, which will help clarify where it's coming from. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
-rw-r--r--drivers/gpu/drm/nouveau/core/core/printk.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/printk.c b/drivers/gpu/drm/nouveau/core/core/printk.c
index d6c4d90..1060e3a 100644
--- a/drivers/gpu/drm/nouveau/core/core/printk.c
+++ b/drivers/gpu/drm/nouveau/core/core/printk.c
@@ -60,21 +60,26 @@ nv_printk_(struct nouveau_object *object, int level, const char *fmt, ...)
}
if (object && !nv_iclass(object, NV_CLIENT_CLASS)) {
- struct nouveau_object *device = object;
- struct nouveau_object *subdev = object;
+ struct nouveau_object *device;
+ struct nouveau_object *subdev;
char obuf[64], *ofmt = "";
- if (object->engine) {
+ subdev = object;
+ while (subdev && !nv_iclass(subdev, NV_SUBDEV_CLASS))
+ subdev = subdev->parent;
+ if (!subdev)
+ subdev = object->engine;
+
+ device = subdev;
+ if (device->parent)
+ device = device->parent;
+
+ if (object != subdev) {
snprintf(obuf, sizeof(obuf), "[0x%08x]",
nv_hclass(object));
ofmt = obuf;
- subdev = object->engine;
- device = object->engine;
}
- if (subdev->parent)
- device = subdev->parent;
-
if (level > nv_subdev(subdev)->debug)
return;
OpenPOWER on IntegriCloud