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Commit d20ac620 authored by Chris Wilson's avatar Chris Wilson
Browse files

drm/i915: Redefine EINVAL for debugging 

To aide debugging spurious EINVALs, include a debug message every time
we emit one from execbuf.

References: https://bugs.freedesktop.org/show_bug.cgi?id=106744


Signed-off-by: default avatarChris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: default avatarJoonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180621080150.8110-1-chris@chris-wilson.co.uk
parent 827db9d8

drivers/gpu/drm/i915/i915_gem_execbuffer.c

+9 −0
Original line number Diff line number Diff line
@@ -66,6 +66,15 @@ enum { 
#define __I915_EXEC_ILLEGAL_FLAGS \

	(__I915_EXEC_UNKNOWN_FLAGS | I915_EXEC_CONSTANTS_MASK)



/* Catch emission of unexpected errors for CI! */

#if IS_ENABLED(CONFIG_DRM_I915_DEBUG_GEM)

#undef EINVAL

#define EINVAL ({ \

	DRM_DEBUG_DRIVER("EINVAL at %s:%d\n", __func__, __LINE__); \

	22; \

})

#endif



/**

 * DOC: User command execution

 *