diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_utils.h')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_utils.h | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_utils.h b/drivers/gpu/drm/i915/i915_utils.h index 12fc250b47b9..51dbfe5bb418 100644 --- a/drivers/gpu/drm/i915/i915_utils.h +++ b/drivers/gpu/drm/i915/i915_utils.h @@ -83,8 +83,11 @@ (typeof(ptr))(__v & -BIT(n)); \ }) -#define ptr_pack_bits(ptr, bits, n) \ - ((typeof(ptr))((unsigned long)(ptr) | (bits))) +#define ptr_pack_bits(ptr, bits, n) ({ \ + unsigned long __bits = (bits); \ + GEM_BUG_ON(__bits & -BIT(n)); \ + ((typeof(ptr))((unsigned long)(ptr) | __bits)); \ +}) #define page_mask_bits(ptr) ptr_mask_bits(ptr, PAGE_SHIFT) #define page_unmask_bits(ptr) ptr_unmask_bits(ptr, PAGE_SHIFT) @@ -99,6 +102,11 @@ __T; \ }) +static inline u64 ptr_to_u64(const void *ptr) +{ + return (uintptr_t)ptr; +} + #define u64_to_ptr(T, x) ({ \ typecheck(u64, x); \ (T *)(uintptr_t)(x); \ @@ -119,4 +127,32 @@ static inline void __list_del_many(struct list_head *head, WRITE_ONCE(head->next, first); } +/* + * Wait until the work is finally complete, even if it tries to postpone + * by requeueing itself. Note, that if the worker never cancels itself, + * we will spin forever. + */ +static inline void drain_delayed_work(struct delayed_work *dw) +{ + do { + while (flush_delayed_work(dw)) + ; + } while (delayed_work_pending(dw)); +} + +static inline const char *yesno(bool v) +{ + return v ? "yes" : "no"; +} + +static inline const char *onoff(bool v) +{ + return v ? "on" : "off"; +} + +static inline const char *enableddisabled(bool v) +{ + return v ? "enabled" : "disabled"; +} + #endif /* !__I915_UTILS_H */ |