diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_wakeref.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_wakeref.h | 29 |
1 files changed, 14 insertions, 15 deletions
diff --git a/drivers/gpu/drm/i915/intel_wakeref.h b/drivers/gpu/drm/i915/intel_wakeref.h index 68aa3be48251..a2894a56e18f 100644 --- a/drivers/gpu/drm/i915/intel_wakeref.h +++ b/drivers/gpu/drm/i915/intel_wakeref.h @@ -7,8 +7,6 @@ #ifndef INTEL_WAKEREF_H #define INTEL_WAKEREF_H -#include <drm/drm_print.h> - #include <linux/atomic.h> #include <linux/bitfield.h> #include <linux/bits.h> @@ -16,12 +14,14 @@ #include <linux/mutex.h> #include <linux/refcount.h> #include <linux/ref_tracker.h> -#include <linux/slab.h> -#include <linux/stackdepot.h> #include <linux/timer.h> #include <linux/workqueue.h> -typedef unsigned long intel_wakeref_t; +struct drm_printer; +struct intel_runtime_pm; +struct intel_wakeref; + +typedef struct ref_tracker *intel_wakeref_t; #define INTEL_REFTRACK_DEAD_COUNT 16 #define INTEL_REFTRACK_PRINT_LIMIT 16 @@ -32,9 +32,6 @@ typedef unsigned long intel_wakeref_t; #define INTEL_WAKEREF_BUG_ON(expr) BUILD_BUG_ON_INVALID(expr) #endif -struct intel_runtime_pm; -struct intel_wakeref; - struct intel_wakeref_ops { int (*get)(struct intel_wakeref *wf); int (*put)(struct intel_wakeref *wf); @@ -273,7 +270,7 @@ __intel_wakeref_defer_park(struct intel_wakeref *wf) */ int intel_wakeref_wait_for_idle(struct intel_wakeref *wf); -#define INTEL_WAKEREF_DEF ((intel_wakeref_t)(-1)) +#define INTEL_WAKEREF_DEF ERR_PTR(-ENOENT) static inline intel_wakeref_t intel_ref_tracker_alloc(struct ref_tracker_dir *dir) { @@ -281,17 +278,19 @@ static inline intel_wakeref_t intel_ref_tracker_alloc(struct ref_tracker_dir *di ref_tracker_alloc(dir, &user, GFP_NOWAIT); - return (intel_wakeref_t)user ?: INTEL_WAKEREF_DEF; + return user ?: INTEL_WAKEREF_DEF; } static inline void intel_ref_tracker_free(struct ref_tracker_dir *dir, - intel_wakeref_t handle) + intel_wakeref_t wakeref) { - struct ref_tracker *user; + if (wakeref == INTEL_WAKEREF_DEF) + wakeref = NULL; - user = (handle == INTEL_WAKEREF_DEF) ? NULL : (void *)handle; + if (WARN_ON(IS_ERR(wakeref))) + return; - ref_tracker_free(dir, &user); + ref_tracker_free(dir, &wakeref); } void intel_ref_tracker_show(struct ref_tracker_dir *dir, @@ -314,7 +313,7 @@ static inline void intel_wakeref_untrack(struct intel_wakeref *wf, static inline intel_wakeref_t intel_wakeref_track(struct intel_wakeref *wf) { - return -1; + return INTEL_WAKEREF_DEF; } static inline void intel_wakeref_untrack(struct intel_wakeref *wf, |