diff options
Diffstat (limited to 'drivers/gpu')
| -rw-r--r-- | drivers/gpu/drm/msm/msm_gpu_devfreq.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c index ae5380e2abf7..e27dbf12b5e8 100644 --- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c +++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c @@ -145,6 +145,15 @@ void msm_devfreq_init(struct msm_gpu *gpu) if (!gpu->funcs->gpu_busy) return; + /* + * Setup default values for simple_ondemand governor tuning. We + * want to throttle up at 50% load for the double-buffer case, + * where due to stalling waiting for vblank we could get stuck + * at (for ex) 30fps at 50% utilization. + */ + priv->gpu_devfreq_config.upthreshold = 50; + priv->gpu_devfreq_config.downdifferential = 10; + mutex_init(&df->lock); dev_pm_qos_add_request(&gpu->pdev->dev, &df->boost_freq, |