diff options
Diffstat (limited to 'drivers/gpu/drm/msm/msm_gpu.h')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu.h | 33 |
1 files changed, 23 insertions, 10 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu.h b/drivers/gpu/drm/msm/msm_gpu.h index 37b3ecb33cbd..445c6bfd4b6b 100644 --- a/drivers/gpu/drm/msm/msm_gpu.h +++ b/drivers/gpu/drm/msm/msm_gpu.h @@ -88,6 +88,21 @@ struct msm_gpu_devfreq { struct devfreq *devfreq; /** + * idle_constraint: + * + * A PM QoS constraint to limit max freq while the GPU is idle. + */ + struct dev_pm_qos_request idle_freq; + + /** + * boost_constraint: + * + * A PM QoS constraint to boost min freq for a period of time + * until the boost expires. + */ + struct dev_pm_qos_request boost_freq; + + /** * busy_cycles: * * Used by implementation of gpu->gpu_busy() to track the last @@ -103,22 +118,19 @@ struct msm_gpu_devfreq { ktime_t idle_time; /** - * idle_freq: + * idle_work: * - * Shadow frequency used while the GPU is idle. From the PoV of - * the devfreq governor, we are continuing to sample busyness and - * adjust frequency while the GPU is idle, but we use this shadow - * value as the GPU is actually clamped to minimum frequency while - * it is inactive. + * Used to delay clamping to idle freq on active->idle transition. */ - unsigned long idle_freq; + struct msm_hrtimer_work idle_work; /** - * idle_work: + * boost_work: * - * Used to delay clamping to idle freq on active->idle transition. + * Used to reset the boost_constraint after the boost period has + * elapsed */ - struct msm_hrtimer_work idle_work; + struct msm_hrtimer_work boost_work; }; struct msm_gpu { @@ -522,6 +534,7 @@ void msm_devfreq_init(struct msm_gpu *gpu); void msm_devfreq_cleanup(struct msm_gpu *gpu); void msm_devfreq_resume(struct msm_gpu *gpu); void msm_devfreq_suspend(struct msm_gpu *gpu); +void msm_devfreq_boost(struct msm_gpu *gpu, unsigned factor); void msm_devfreq_active(struct msm_gpu *gpu); void msm_devfreq_idle(struct msm_gpu *gpu); |