diff options
Diffstat (limited to 'drivers/gpu/drm/i915/intel_wakeref.h')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_wakeref.h | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/gpu/drm/i915/intel_wakeref.h b/drivers/gpu/drm/i915/intel_wakeref.h index 7d1e676b71ef..545c8f277c46 100644 --- a/drivers/gpu/drm/i915/intel_wakeref.h +++ b/drivers/gpu/drm/i915/intel_wakeref.h @@ -8,6 +8,7 @@ #define INTEL_WAKEREF_H #include <linux/atomic.h> +#include <linux/bitfield.h> #include <linux/bits.h> #include <linux/lockdep.h> #include <linux/mutex.h> @@ -41,7 +42,7 @@ struct intel_wakeref { struct intel_runtime_pm *rpm; const struct intel_wakeref_ops *ops; - struct work_struct work; + struct delayed_work work; }; struct intel_wakeref_lockclass { @@ -117,6 +118,11 @@ intel_wakeref_get_if_active(struct intel_wakeref *wf) return atomic_inc_not_zero(&wf->count); } +enum { + INTEL_WAKEREF_PUT_ASYNC_BIT = 0, + __INTEL_WAKEREF_PUT_LAST_BIT__ +}; + /** * intel_wakeref_put_flags: Release the wakeref * @wf: the wakeref @@ -134,7 +140,9 @@ intel_wakeref_get_if_active(struct intel_wakeref *wf) */ static inline void __intel_wakeref_put(struct intel_wakeref *wf, unsigned long flags) -#define INTEL_WAKEREF_PUT_ASYNC BIT(0) +#define INTEL_WAKEREF_PUT_ASYNC BIT(INTEL_WAKEREF_PUT_ASYNC_BIT) +#define INTEL_WAKEREF_PUT_DELAY \ + GENMASK(BITS_PER_LONG - 1, __INTEL_WAKEREF_PUT_LAST_BIT__) { INTEL_WAKEREF_BUG_ON(atomic_read(&wf->count) <= 0); if (unlikely(!atomic_add_unless(&wf->count, -1, 1))) @@ -154,6 +162,14 @@ intel_wakeref_put_async(struct intel_wakeref *wf) __intel_wakeref_put(wf, INTEL_WAKEREF_PUT_ASYNC); } +static inline void +intel_wakeref_put_delay(struct intel_wakeref *wf, unsigned long delay) +{ + __intel_wakeref_put(wf, + INTEL_WAKEREF_PUT_ASYNC | + FIELD_PREP(INTEL_WAKEREF_PUT_DELAY, delay)); +} + /** * intel_wakeref_lock: Lock the wakeref (mutex) * @wf: the wakeref @@ -194,7 +210,7 @@ intel_wakeref_unlock_wait(struct intel_wakeref *wf) { mutex_lock(&wf->mutex); mutex_unlock(&wf->mutex); - flush_work(&wf->work); + flush_delayed_work(&wf->work); } /** |