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authorDave Airlie <airlied@redhat.com>2021-03-16 16:45:12 +1000
committerDave Airlie <airlied@redhat.com>2021-03-16 17:08:46 +1000
commit51c3b916a4d7e24b4918925965867fdd9bd8dd59 (patch)
tree3257e3e0fda7fbb0fe1425177b0c661db1bfee63 /drivers/gpu/drm/lima/lima_devfreq.c
parent1e28eed17697bcf343c6743f0028cc3b5dd88bf0 (diff)
parent762949bb1da78941b25e63f7e952af037eee15a9 (diff)
Merge tag 'drm-misc-next-2021-03-03' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for 5.13: UAPI Changes: Cross-subsystem Changes: Core Changes: - %p4cc printk format modifier - atomic: introduce drm_crtc_commit_wait, rework atomic plane state helpers to take the drm_commit_state structure - dma-buf: heaps rework to return a struct dma_buf - simple-kms: Add plate state helpers - ttm: debugfs support, removal of sysfs Driver Changes: - Convert drivers to shadow plane helpers - arc: Move to drm/tiny - ast: cursor plane reworks - gma500: Remove TTM and medfield support - mxsfb: imx8mm support - panfrost: MMU IRQ handling rework - qxl: rework to better handle resources deallocation, locking - sun4i: Add alpha properties for UI and VI layers - vc4: RPi4 CEC support - vmwgfx: doc cleanup Signed-off-by: Dave Airlie <airlied@redhat.com> From: Maxime Ripard <maxime@cerno.tech> Link: https://patchwork.freedesktop.org/patch/msgid/20210303100600.dgnkadonzuvfnu22@gilmour
Diffstat (limited to 'drivers/gpu/drm/lima/lima_devfreq.c')
-rw-r--r--drivers/gpu/drm/lima/lima_devfreq.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c
index 5686ad4aaf7c..4f64940b9055 100644
--- a/drivers/gpu/drm/lima/lima_devfreq.c
+++ b/drivers/gpu/drm/lima/lima_devfreq.c
@@ -81,6 +81,7 @@ static int lima_devfreq_get_dev_status(struct device *dev,
}
static struct devfreq_dev_profile lima_devfreq_profile = {
+ .timer = DEVFREQ_TIMER_DELAYED,
.polling_ms = 50, /* ~3 frames */
.target = lima_devfreq_target,
.get_dev_status = lima_devfreq_get_dev_status,
@@ -163,8 +164,16 @@ int lima_devfreq_init(struct lima_device *ldev)
lima_devfreq_profile.initial_freq = cur_freq;
dev_pm_opp_put(opp);
+ /*
+ * Setup default thresholds for the simple_ondemand governor.
+ * The values are chosen based on experiments.
+ */
+ ldevfreq->gov_data.upthreshold = 30;
+ ldevfreq->gov_data.downdifferential = 5;
+
devfreq = devm_devfreq_add_device(dev, &lima_devfreq_profile,
- DEVFREQ_GOV_SIMPLE_ONDEMAND, NULL);
+ DEVFREQ_GOV_SIMPLE_ONDEMAND,
+ &ldevfreq->gov_data);
if (IS_ERR(devfreq)) {
dev_err(dev, "Couldn't initialize GPU devfreq\n");
ret = PTR_ERR(devfreq);