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 v10 5/9] soc: qcom: rpmpd: Add support for get/set performance state
Date: Thu, 10 Jan 2019 09:28:48 +0530 [thread overview]
Message-ID: <20190110035852.5666-6-rnayak@codeaurora.org> (raw)
In-Reply-To: <20190110035852.5666-1-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 3:59 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-01-10 3:58 [PATCH v10 0/9] Add power domain driver for corners on msm8996/sdm845 Rajendra Nayak
2019-01-10 3:58 ` [PATCH v10 1/9] dt-bindings: opp: Introduce opp-level bindings Rajendra Nayak
2019-01-10 3:58 ` [PATCH v10 2/9] OPP: Add support for parsing the 'opp-level' property Rajendra Nayak
2019-01-10 3:58 ` [PATCH v10 3/9] dt-bindings: power: Add qcom rpm power domain driver bindings Rajendra Nayak
2019-01-10 3:58 ` [PATCH v10 4/9] soc: qcom: rpmpd: Add a Power domain driver to model corners Rajendra Nayak
2019-01-10 3:58 ` Rajendra Nayak [this message]
2019-01-10 3:58 ` [PATCH v10 6/9] arm64: dts: msm8996: Add rpmpd device node Rajendra Nayak
2019-01-10 3:58 ` [PATCH v10 7/9] soc: qcom: rpmhpd: Add RPMh power domain driver Rajendra Nayak
2019-01-10 3:58 ` [PATCH v10 8/9] arm64: dts: sdm845: Add rpmh powercontroller node Rajendra Nayak
2019-01-10 3:58 ` [PATCH v10 9/9] soc: qcom: rpmhpd: Mark mx as a parent for cx Rajendra Nayak
2019-01-10 4:01 ` [PATCH v10 0/9] Add power domain driver for corners on msm8996/sdm845 Rajendra Nayak
-- strict thread matches above, loose matches on Subject: below --
2019-01-09 9:04 Rajendra Nayak
2019-01-09 9:04 ` [PATCH v10 5/9] soc: qcom: rpmpd: Add support for get/set performance state Rajendra Nayak
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20190110035852.5666-6-rnayak@codeaurora.org \
--to=rnayak@codeaurora.org \
--cc=andy.gross@linaro.org \
--cc=collinsd@codeaurora.org \
--cc=devicetree@vger.kernel.org \
--cc=henryc.chen@mediatek.com \
--cc=linux-arm-msm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mka@chromium.org \
--cc=robh@kernel.org \
--cc=sboyd@kernel.org \
--cc=ulf.hansson@linaro.org \
--cc=viresh.kumar@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).