Commit 33f868db authored by Rob Clark's avatar Rob Clark
Browse files

drm/msm/gpu: Add default devfreq thresholds 



Setup more appropriate devfreq tuning thresholds.

Signed-off-by: default avatarRob Clark <robdclark@chromium.org>
Patchwork: https://patchwork.freedesktop.org/patch/517788/
Link: https://lore.kernel.org/r/20230110231447.1939101-4-robdclark@gmail.com


Reviewed-by: default avatarChia-I Wu <olvaffe@gmail.com>
parent fadcc3ab

drivers/gpu/drm/msm/msm_gpu_devfreq.c

+9 −0
Original line number Diff line number Diff line
@@ -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,