korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2025-01-25 07:14:36 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/i915: Redefine EINVAL for debugging

Browse Source 
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: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180621080150.8110-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2018-06-21 09:01:50 +01:00
parent 827db9d8bb
commit d20ac620f0
1 changed files with 9 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/i915/i915_gem_execbuffer.c
View File

@ -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
*