Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
drm/msm/gpu: Add default devfreq thresholds
Setup more appropriate devfreq tuning thresholds.
Signed-off-by: Rob 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: Chia-I Wu <olvaffe@gmail.com>
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drivers/gpu/drm/msm/msm_gpu_devfreq.c
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drivers/gpu/drm/msm/msm_gpu_devfreq.c
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if (!gpu->funcs->gpu_busy)
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return;
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/*
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* Setup default values for simple_ondemand governor tuning. We
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* want to throttle up at 50% load for the double-buffer case,
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* where due to stalling waiting for vblank we could get stuck
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* at (for ex) 30fps at 50% utilization.
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*/
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priv->gpu_devfreq_config.upthreshold = 50;
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priv->gpu_devfreq_config.downdifferential = 10;
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mutex_init(&df->lock);
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dev_pm_qos_add_request(&gpu->pdev->dev, &df->boost_freq,