It is easier to categorize and debug bugs if the failed condition
is in plain sight in the actual dmesg output. Make it so.
Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
Signed-off-by: Mika Kuoppala <mika.kuoppala@xxxxxxxxxxxxxxx>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/i915_gem.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h
index ee54597465b6..84ba68e83df5 100644
--- a/drivers/gpu/drm/i915/i915_gem.h
+++ b/drivers/gpu/drm/i915/i915_gem.h
@@ -28,7 +28,11 @@
#include <linux/bug.h>
#ifdef CONFIG_DRM_I915_DEBUG_GEM
-#define GEM_BUG_ON(expr) BUG_ON(expr)
+#define GEM_BUG_ON(condition) do { if (unlikely((condition))) { \
+ printk(KERN_ERR "GEM_BUG_ON(%s)\n", __stringify(condition)); \
+ BUG(); \
+ } \
+ } while(0)
#define GEM_WARN_ON(expr) WARN_ON(expr)
#define GEM_DEBUG_DECL(var) var
--
2.11.0
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