drm/nouveau/nvif: add support for object-level debug output

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

1 files changed, 39 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index 6f24a215ac74..c1b22746a710 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -496,6 +496,40 @@ nouveau_accel_init(struct nouveau_drm *drm)
 	nouveau_bo_move_init(drm);
 }
 
+static void __printf(2, 3)
+nouveau_drm_errorf(struct nvif_object *object, const char *fmt, ...)
+{
+	struct nouveau_drm *drm = container_of(object->parent, typeof(*drm), parent);
+	struct va_format vaf;
+	va_list va;
+
+	va_start(va, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &va;
+	NV_ERROR(drm, "%pV", &vaf);
+	va_end(va);
+}
+
+static void __printf(2, 3)
+nouveau_drm_debugf(struct nvif_object *object, const char *fmt, ...)
+{
+	struct nouveau_drm *drm = container_of(object->parent, typeof(*drm), parent);
+	struct va_format vaf;
+	va_list va;
+
+	va_start(va, fmt);
+	vaf.fmt = fmt;
+	vaf.va = &va;
+	NV_DEBUG(drm, "%pV", &vaf);
+	va_end(va);
+}
+
+static const struct nvif_parent_func
+nouveau_parent = {
+	.debugf = nouveau_drm_debugf,
+	.errorf = nouveau_drm_errorf,
+};
+
 static int
 nouveau_drm_device_init(struct drm_device *dev)
 {
@@ -507,6 +541,9 @@ nouveau_drm_device_init(struct drm_device *dev)
 	dev->dev_private = drm;
 	drm->dev = dev;
 
+	nvif_parent_ctor(&nouveau_parent, &drm->parent);
+	drm->master.base.object.parent = &drm->parent;
+
 	ret = nouveau_cli_init(drm, "DRM-master", &drm->master);
 	if (ret)
 		goto fail_alloc;
@@ -583,6 +620,7 @@ fail_ttm:
 fail_master:
 	nouveau_cli_fini(&drm->master);
 fail_alloc:
+	nvif_parent_dtor(&drm->parent);
 	kfree(drm);
 	return ret;
 }
@@ -616,6 +654,7 @@ nouveau_drm_device_fini(struct drm_device *dev)
 
 	nouveau_cli_fini(&drm->client);
 	nouveau_cli_fini(&drm->master);
+	nvif_parent_dtor(&drm->parent);
 	kfree(drm);
 }