linux-kernel - [PATCH v2 2/2] PM/devfreq: rk3399: set specific ddr frequency when stop ddr dvfs

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Date:   Thu,  3 Nov 2016 14:16:10 +0800
From:   Lin Huang <hl@...k-chips.com>
To:     myungjoo.ham@...sung.com
Cc:     cw00.choi@...sung.com, dianders@...omium.org,
        linux-rockchip@...ts.infradead.org, linux-pm@...r.kernel.org,
        dbasehore@...omium.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Lin Huang <hl@...k-chips.com>
Subject: [PATCH v2 2/2] PM/devfreq: rk3399: set specific ddr frequency when stop ddr dvfs

We need ddr run a specific frequency when ddr dvfs stop
working. For example: if we enable two monitor, then we will
stop ddr dvfs, but we hope ddr can run in highest frequency
obviously.

Change-Id: I02460f0becbf0e1a732e2a55b8e529f53c01109c
Signed-off-by: Lin Huang <hl@...k-chips.com>
---
Changes in v2:
- None

 drivers/devfreq/rk3399_dmc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/devfreq/rk3399_dmc.c b/drivers/devfreq/rk3399_dmc.c
index e24b73d..9309941 100644
--- a/drivers/devfreq/rk3399_dmc.c
+++ b/drivers/devfreq/rk3399_dmc.c
@@ -443,7 +443,7 @@ static int rk3399_dmcfreq_probe(struct platform_device *pdev)
 	if (IS_ERR(data->devfreq))
 		return PTR_ERR(data->devfreq);
 	devm_devfreq_register_opp_notifier(dev, data->devfreq);
-
+	devfreq_opp_get_suspend_opp(dev, data->devfreq);
 	data->dev = dev;
 	platform_set_drvdata(pdev, data);
 
-- 
1.9.1