Added missing tegra files.HEADmaster

1 files changed, 78 insertions, 0 deletions

diff --git a/drivers/gpu/drm/nouveau/nouveau_util.c b/drivers/gpu/drm/nouveau/nouveau_util.c
new file mode 100644
index 00000000000..e51b51503ba
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_util.c
@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2010 Nouveau Project
+ *
+ * All Rights Reserved.
+ *
+ * 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 (including the
+ * next paragraph) 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 OWNER(S) AND/OR ITS SUPPLIERS 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.
+ *
+ */
+
+#include <linux/ratelimit.h>
+
+#include "nouveau_util.h"
+
+static DEFINE_RATELIMIT_STATE(nouveau_ratelimit_state, 3 * HZ, 20);
+
+void
+nouveau_bitfield_print(const struct nouveau_bitfield *bf, u32 value)
+{
+        while (bf->name) {
+                if (value & bf->mask) {
+                        printk(" %s", bf->name);
+                        value &= ~bf->mask;
+                }
+
+                bf++;
+        }
+
+        if (value)
+                printk(" (unknown bits 0x%08x)", value);
+}
+
+const struct nouveau_enum *
+nouveau_enum_find(const struct nouveau_enum *en, u32 value)
+{
+        while (en->name) {
+                if (en->value == value)
+                        return en;
+                en++;
+        }
+
+        return NULL;
+}
+
+void
+nouveau_enum_print(const struct nouveau_enum *en, u32 value)
+{
+        en = nouveau_enum_find(en, value);
+        if (en) {
+                printk("%s", en->name);
+                return;
+        }
+
+        printk("(unknown enum 0x%08x)", value);
+}
+
+int
+nouveau_ratelimit(void)
+{
+        return __ratelimit(&nouveau_ratelimit_state);
+}