[02/18] drm/i915/gem: Manually dump the debug trace on GEM_BUG_ON
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Message ID 20191118184943.2593048-2-chris@chris-wilson.co.uk
State New
Headers show
Series
  • [01/18] drm/i915/selftests: Force bonded submission to overlap
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Commit Message

Chris Wilson Nov. 18, 2019, 6:49 p.m. UTC
Since igt now defaults to not enabling ftrace-on-oops, we need to
manually invoke GEM_TRACE_DUMP() to see the debug log prior to a
GEM_BUG_ON panicking.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---
 drivers/gpu/drm/i915/i915_gem.h | 3 +++
 1 file changed, 3 insertions(+)

Patch
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diff --git a/drivers/gpu/drm/i915/i915_gem.h b/drivers/gpu/drm/i915/i915_gem.h
index c7985767296a..1753c84d6c0d 100644
--- a/drivers/gpu/drm/i915/i915_gem.h
+++ b/drivers/gpu/drm/i915/i915_gem.h
@@ -30,6 +30,8 @@ 
 
 #include <drm/drm_drv.h>
 
+#include "i915_utils.h"
+
 struct drm_i915_private;
 
 #ifdef CONFIG_DRM_I915_DEBUG_GEM
@@ -39,6 +41,7 @@  struct drm_i915_private;
 #define GEM_BUG_ON(condition) do { if (unlikely((condition))) {	\
 		GEM_TRACE_ERR("%s:%d GEM_BUG_ON(%s)\n", \
 			      __func__, __LINE__, __stringify(condition)); \
+		GEM_TRACE_DUMP(); \
 		BUG(); \
 		} \
 	} while(0)