1 files changed, 103 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/core/printk.c b/drivers/gpu/drm/nouveau/nvkm/core/printk.c
new file mode 100644
index 000000000000..4a220eb91660
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nvkm/core/printk.c
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2012 Red Hat Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: Ben Skeggs
+ */
+#include <core/printk.h>
+#include <core/client.h>
+#include <core/device.h>
+
+int nv_info_debug_level = NV_DBG_INFO_NORMAL;
+
+void
+nv_printk_(struct nvkm_object *object, int level, const char *fmt, ...)
+{
+	static const char name[] = { '!', 'E', 'W', ' ', 'D', 'T', 'P', 'S' };
+	const char *pfx;
+	char mfmt[256];
+	va_list args;
+
+	switch (level) {
+	case NV_DBG_FATAL:
+		pfx = KERN_CRIT;
+		break;
+	case NV_DBG_ERROR:
+		pfx = KERN_ERR;
+		break;
+	case NV_DBG_WARN:
+		pfx = KERN_WARNING;
+		break;
+	case NV_DBG_INFO_NORMAL:
+		pfx = KERN_INFO;
+		break;
+	case NV_DBG_DEBUG:
+	case NV_DBG_PARANOIA:
+	case NV_DBG_TRACE:
+	case NV_DBG_SPAM:
+	default:
+		pfx = KERN_DEBUG;
+		break;
+	}
+
+	if (object && !nv_iclass(object, NV_CLIENT_CLASS)) {
+		struct nvkm_object *device;
+		struct nvkm_object *subdev;
+		char obuf[64], *ofmt = "";
+
+		if (object->engine == NULL) {
+			subdev = object;
+			while (subdev && !nv_iclass(subdev, NV_SUBDEV_CLASS))
+				subdev = subdev->parent;
+		} else {
+			subdev = &object->engine->subdev.object;
+		}
+
+		device = subdev;
+		if (device->parent)
+			device = device->parent;
+
+		if (object != subdev) {
+			snprintf(obuf, sizeof(obuf), "[0x%08x]",
+				 nv_hclass(object));
+			ofmt = obuf;
+		}
+
+		if (level > nv_subdev(subdev)->debug)
+			return;
+
+		snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s][%s]%s %s", pfx,
+			 name[level], nv_subdev(subdev)->name,
+			 nv_device(device)->name, ofmt, fmt);
+	} else
+	if (object && nv_iclass(object, NV_CLIENT_CLASS)) {
+		if (level > nv_client(object)->debug)
+			return;
+
+		snprintf(mfmt, sizeof(mfmt), "%snouveau %c[%8s] %s", pfx,
+			 name[level], nv_client(object)->name, fmt);
+	} else {
+		snprintf(mfmt, sizeof(mfmt), "%snouveau: %s", pfx, fmt);
+	}
+
+	va_start(args, fmt);
+	vprintk(mfmt, args);
+	va_end(args);
+}