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path: root/drivers/gpu/drm/i915/i915_utils.h
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_utils.h')
-rw-r--r--drivers/gpu/drm/i915/i915_utils.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h
index b8ba0f2f92af..94a3a3299910 100644
--- a/drivers/gpu/drm/i915/i915_utils.h
+++ b/drivers/gpu/drm/i915/i915_utils.h
@@ -66,6 +66,8 @@
#define ptr_pack_bits(ptr, bits) \
((typeof(ptr))((unsigned long)(ptr) | (bits)))
+#define ptr_offset(ptr, member) offsetof(typeof(*(ptr)), member)
+
#define fetch_and_zero(ptr) ({ \
typeof(*ptr) __T = *(ptr); \
*(ptr) = (typeof(*ptr))0; \