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Lakka-rk322x/projects/Amlogic/patches/linux/amlogic-0035-FROMLIST-v1-drm-lima-Use-delayed-timer-as-default-in.patch
2021-03-28 15:57:24 +00:00

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From e9d96f0ba2d250037f877b02792326c44ca6cfea Mon Sep 17 00:00:00 2001
From: Lukasz Luba <lukasz.luba@arm.com>
Date: Wed, 27 Jan 2021 11:36:36 +0000
Subject: [PATCH 35/88] FROMLIST(v1): drm/lima: Use delayed timer as default in
devfreq profile
Devfreq framework supports 2 modes for monitoring devices.
Use delayed timer as default instead of deferrable timer
in order to monitor the GPU status regardless of CPU idle.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
---
drivers/gpu/drm/lima/lima_devfreq.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/gpu/drm/lima/lima_devfreq.c b/drivers/gpu/drm/lima/lima_devfreq.c
index c9854315a0b5..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,
--
2.17.1