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Diffstat (limited to 'drivers/gpu/drm/i915/i915_utils.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_utils.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index 2dbe8933b50a..cb41d0dee889 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -154,6 +154,11 @@ static inline u64 ptr_to_u64(const void *ptr) #include <linux/list.h> +static inline bool is_power_of_2_u64(u64 n) +{ + return (n != 0 && ((n & (n - 1)) == 0)); +} + static inline void __list_del_many(struct list_head *head, struct list_head *first) { |