From: Rajendra Nayak <rnayak@codeaurora.org>
To: andy.gross@linaro.org, robh@kernel.org, viresh.kumar@linaro.org,
sboyd@kernel.org, ulf.hansson@linaro.org,
collinsd@codeaurora.org, mka@chromium.org
Cc: devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org,
linux-kernel@vger.kernel.org, henryc.chen@mediatek.com,
Rajendra Nayak <rnayak@codeaurora.org>
Subject: [PATCH v11 5/9] soc: qcom: rpmpd: Add support for get/set performance state
Date: Thu, 10 Jan 2019 09:32:05 +0530 [thread overview]
Message-ID: <20190110040209.6028-6-rnayak@codeaurora.org> (raw)
In-Reply-To: <20190110040209.6028-1-rnayak@codeaurora.org>
Add support for the .set_performace_state() and .opp_to_performance_state()
callbacks in the rpmpd driver.
Signed-off-by: Rajendra Nayak <rnayak@codeaurora.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
---
drivers/soc/qcom/rpmpd.c | 35 +++++++++++++++++++++++++++++++++++
1 file changed, 35 insertions(+)
diff --git a/drivers/soc/qcom/rpmpd.c b/drivers/soc/qcom/rpmpd.c
index 7715ba7c9157..35a711017d6f 100644
--- a/drivers/soc/qcom/rpmpd.c
+++ b/drivers/soc/qcom/rpmpd.c
@@ -10,6 +10,7 @@
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
#include <linux/soc/qcom/smd-rpm.h>
#include <dt-bindings/mfd/qcom-rpm.h>
@@ -26,6 +27,8 @@
#define KEY_ENABLE 0x6e657773 /* swen */
#define KEY_FLOOR_CORNER 0x636676 /* vfc */
+#define MAX_RPMPD_STATE 6
+
#define DEFINE_RPMPD_CORNER_SMPA(_platform, _name, _active, r_id) \
static struct rpmpd _platform##_##_active; \
static struct rpmpd _platform##_##_name = { \
@@ -218,6 +221,36 @@ static int rpmpd_power_off(struct generic_pm_domain *domain)
return ret;
}
+static int rpmpd_set_performance(struct generic_pm_domain *domain,
+ unsigned int state)
+{
+ int ret = 0;
+ struct rpmpd *pd = domain_to_rpmpd(domain);
+
+ if (state > MAX_RPMPD_STATE)
+ goto out;
+
+ mutex_lock(&rpmpd_lock);
+
+ pd->corner = state;
+
+ if (!pd->enabled && pd->key != KEY_FLOOR_CORNER)
+ goto out;
+
+ ret = rpmpd_aggregate_corner(pd);
+
+out:
+ mutex_unlock(&rpmpd_lock);
+
+ return ret;
+}
+
+static unsigned int rpmpd_get_performance(struct generic_pm_domain *genpd,
+ struct dev_pm_opp *opp)
+{
+ return dev_pm_opp_get_level(opp);
+}
+
static int rpmpd_probe(struct platform_device *pdev)
{
int i;
@@ -258,6 +291,8 @@ static int rpmpd_probe(struct platform_device *pdev)
rpmpds[i]->rpm = rpm;
rpmpds[i]->pd.power_off = rpmpd_power_off;
rpmpds[i]->pd.power_on = rpmpd_power_on;
+ rpmpds[i]->pd.set_performance_state = rpmpd_set_performance;
+ rpmpds[i]->pd.opp_to_performance_state = rpmpd_get_performance;
pm_genpd_init(&rpmpds[i]->pd, NULL, true);
data->domains[i] = &rpmpds[i]->pd;
--
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
next prev parent reply other threads:[~2019-01-10 4:02 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 4:02 [PATCH v11 0/9] Add power domain driver for corners on msm8996/sdm845 Rajendra Nayak
2019-01-10 4:02 ` [PATCH v11 1/9] dt-bindings: opp: Introduce opp-level bindings Rajendra Nayak
2019-01-10 6:26 ` Viresh Kumar
2019-01-11 19:06 ` Stephen Boyd
2019-01-11 19:06 ` Stephen Boyd
2019-01-11 22:16 ` Doug Anderson
2019-01-15 19:59 ` Rob Herring
2019-01-15 19:59 ` Rob Herring
2019-01-10 4:02 ` [PATCH v11 2/9] OPP: Add support for parsing the 'opp-level' property Rajendra Nayak
2019-01-10 6:29 ` Viresh Kumar
2019-01-11 19:06 ` Stephen Boyd
2019-01-11 19:06 ` Stephen Boyd
2019-01-10 4:02 ` [PATCH v11 3/9] dt-bindings: power: Add qcom rpm power domain driver bindings Rajendra Nayak
2019-01-10 4:02 ` [PATCH v11 4/9] soc: qcom: rpmpd: Add a Power domain driver to model corners Rajendra Nayak
2019-01-17 17:42 ` Guenter Roeck
2019-01-18 4:54 ` Rajendra Nayak
2019-01-10 4:02 ` Rajendra Nayak [this message]
2019-01-10 4:02 ` [PATCH v11 6/9] arm64: dts: msm8996: Add rpmpd device node Rajendra Nayak
2019-01-10 4:02 ` [PATCH v11 7/9] soc: qcom: rpmhpd: Add RPMh power domain driver Rajendra Nayak
2019-01-10 4:02 ` [PATCH v11 8/9] arm64: dts: sdm845: Add rpmh powercontroller node Rajendra Nayak
2019-01-10 4:02 ` [PATCH v11 9/9] soc: qcom: rpmhpd: Mark mx as a parent for cx Rajendra Nayak
2019-01-10 6:33 ` [PATCH v11 0/9] Add power domain driver for corners on msm8996/sdm845 Viresh Kumar
2019-01-16 5:52 ` Bjorn Andersson
2019-01-16 15:18 ` Ulf Hansson
2019-01-17 4:24 ` Viresh Kumar
2019-01-17 15:03 ` Marc Gonzalez
2019-01-18 3:54 ` Rajendra Nayak
2019-01-18 10:17 ` Marc Gonzalez
2019-01-21 9:20 ` Rajendra Nayak
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