Useful when we don't know which subsystem is failing.
Signed-off-by: Marcin Slusarz <marcin.slus...@gmail.com>
---
drivers/gpu/drm/nouveau/core/core/option.c | 9 ++++++++-
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/nouveau/core/core/option.c
b/drivers/gpu/drm/nouveau/core/core/option.c
index 62a432e..fde06b0 100644
--- a/drivers/gpu/drm/nouveau/core/core/option.c
+++ b/drivers/gpu/drm/nouveau/core/core/option.c
@@ -22,9 +22,16 @@
* Authors: Ben Skeggs
*/
+#include <linux/module.h>
#include <core/option.h>
#include <core/debug.h>
+MODULE_PARM_DESC(debug_level, "nv_printk level (0-"
+ __stringify(CONFIG_NOUVEAU_DEBUG) ", default "
+ __stringify(CONFIG_NOUVEAU_DEBUG_DEFAULT) ")");
+static int nouveau_debug_level = CONFIG_NOUVEAU_DEBUG_DEFAULT;
+module_param_named(debug_level, nouveau_debug_level, int, 0400);
+
/* compares unterminated string 'str' with zero-terminated string 'cmp' */
static inline int
strncasecmpz(const char *str, const char *cmp, size_t len)
@@ -86,7 +93,7 @@ nouveau_boolopt(const char *optstr, const char *opt, bool
value)
int
nouveau_dbgopt(const char *optstr, const char *sub)
{
- int mode = 1, level = CONFIG_NOUVEAU_DEBUG_DEFAULT;
+ int mode = 1, level = nouveau_debug_level;
while (optstr) {
int len = strcspn(optstr, ",=");
--
1.7.12
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