[Intel-gfx] [PATCH 01/17] drm/i915/gem: Manually dump the debug trace on GEM_BUG_ON

[Mika Kuoppala]

Chris Wilson <chris at chris-wilson.co.uk> writes:

> 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 at chris-wilson.co.uk>

Acked-by: Mika Kuoppala <mika.kuoppala at linux.intel.com>

> ---
>  drivers/gpu/drm/i915/i915_gem.h | 3 +++
>  1 file changed, 3 insertions(+)
>
> 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)
> -- 
> 2.24.0