From: Rob Clark <robdclark@xxxxxxxxxxxx>
Signed-off-by: Rob Clark <robdclark@xxxxxxxxxxxx>
---
drivers/gpu/drm/msm/msm_gpu_devfreq.c | 31 +++++++++++++++++++++++++--
1 file changed, 29 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/msm/msm_gpu_devfreq.c b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
index b24e5475cafb..427c55002f4d 100644
--- a/drivers/gpu/drm/msm/msm_gpu_devfreq.c
+++ b/drivers/gpu/drm/msm/msm_gpu_devfreq.c
@@ -158,6 +158,33 @@ void msm_devfreq_suspend(struct msm_gpu *gpu)
devfreq_suspend_device(gpu->devfreq.devfreq);
}
+static void set_target(struct msm_gpu *gpu, unsigned long freq)
+{
+ struct msm_gpu_devfreq *df = &gpu->devfreq;
+ unsigned long min_freq, max_freq;
+ u32 flags = 0;
+
+ /*
+ * When setting the target freq internally, we need to apply PM QoS
+ * constraints (such as cooling):
+ */
+ min_freq = dev_pm_qos_read_value(df->devfreq->dev.parent,
+ DEV_PM_QOS_MIN_FREQUENCY);
+ max_freq = dev_pm_qos_read_value(df->devfreq->dev.parent,
+ DEV_PM_QOS_MAX_FREQUENCY);
+
+ if (freq < min_freq) {
+ freq = min_freq;
+ flags &= ~DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use GLB */
+ }
+ if (freq > max_freq) {
+ freq = max_freq;
+ flags |= DEVFREQ_FLAG_LEAST_UPPER_BOUND; /* Use LUB */
+ }
+
+ msm_devfreq_target(&gpu->pdev->dev, &freq, flags);
+}
+
void msm_devfreq_boost(struct msm_gpu *gpu, unsigned factor)
{
struct msm_gpu_devfreq *df = &gpu->devfreq;
@@ -173,7 +200,7 @@ void msm_devfreq_boost(struct msm_gpu *gpu, unsigned factor)
freq *= factor;
- msm_devfreq_target(&gpu->pdev->dev, &freq, 0);
+ set_target(gpu, freq);
mutex_unlock(&df->devfreq->lock);
}
@@ -212,7 +239,7 @@ void msm_devfreq_active(struct msm_gpu *gpu)
df->idle_freq = 0;
- msm_devfreq_target(&gpu->pdev->dev, &target_freq, 0);
+ set_target(gpu, target_freq);
/*
* Reset the polling interval so we aren't inconsistent
--
2.31.1
