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From: Abel Vesa <abel.vesa@linaro.org>
Date: Mon, 22 Jan 2024 10:47:02 +0200
Subject: [PATCH v4 2/5] PM: domains: Add the domain HW-managed mode to the
 summary
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Message-Id: <20240122-gdsc-hwctrl-v4-2-9061e8a7aa07@linaro.org>
References: <20240122-gdsc-hwctrl-v4-0-9061e8a7aa07@linaro.org>
In-Reply-To: <20240122-gdsc-hwctrl-v4-0-9061e8a7aa07@linaro.org>
To: "Rafael J. Wysocki" <rafael@kernel.org>, 
 Kevin Hilman <khilman@kernel.org>, Ulf Hansson <ulf.hansson@linaro.org>, 
 Pavel Machek <pavel@ucw.cz>, Len Brown <len.brown@intel.com>, 
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>, 
 Bjorn Andersson <andersson@kernel.org>, Andy Gross <agross@kernel.org>, 
 Konrad Dybcio <konrad.dybcio@linaro.org>, 
 Michael Turquette <mturquette@baylibre.com>, 
 Stephen Boyd <sboyd@kernel.org>, 
 Stanimir Varbanov <stanimir.k.varbanov@gmail.com>, 
 Vikash Garodia <quic_vgarodia@quicinc.com>, 
 Bryan O'Donoghue <bryan.odonoghue@linaro.org>, 
 Mauro Carvalho Chehab <mchehab@kernel.org>, 
 Taniya Das <quic_tdas@quicinc.com>, Jagadeesh Kona <quic_jkona@quicinc.com>, 
 Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, 
 linux-arm-msm@vger.kernel.org, linux-clk@vger.kernel.org, 
 linux-media@vger.kernel.org, Abel Vesa <abel.vesa@linaro.org>

Now that genpd supports dynamically switching the control for an
attached device between hardware- and software-mode,  let's add this
information to the genpd summary in debugfs.

Suggested-by: Taniya Das <quic_tdas@quicinc.com>
Signed-off-by: Abel Vesa <abel.vesa@linaro.org>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Bjorn Andersson <andersson@kernel.org>
---
 drivers/pmdomain/core.c | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/drivers/pmdomain/core.c b/drivers/pmdomain/core.c
index 41b6411d0ef5..841fde9e9f87 100644
--- a/drivers/pmdomain/core.c
+++ b/drivers/pmdomain/core.c
@@ -3147,6 +3147,15 @@ static void rtpm_status_str(struct seq_file *s, struct device *dev)
 	seq_printf(s, "%-25s  ", p);
 }
 
+static void mode_status_str(struct seq_file *s, struct device *dev)
+{
+	struct generic_pm_domain_data *gpd_data;
+
+	gpd_data = to_gpd_data(dev->power.subsys_data->domain_data);
+
+	seq_printf(s, "%20s", gpd_data->hw_mode ? "HW" : "SW");
+}
+
 static void perf_status_str(struct seq_file *s, struct device *dev)
 {
 	struct generic_pm_domain_data *gpd_data;
@@ -3205,6 +3214,7 @@ static int genpd_summary_one(struct seq_file *s,
 		seq_printf(s, "\n    %-50s  ", kobj_path);
 		rtpm_status_str(s, pm_data->dev);
 		perf_status_str(s, pm_data->dev);
+		mode_status_str(s, pm_data->dev);
 		kfree(kobj_path);
 	}
 
@@ -3221,8 +3231,8 @@ static int summary_show(struct seq_file *s, void *data)
 	int ret = 0;
 
 	seq_puts(s, "domain                          status          children                           performance\n");
-	seq_puts(s, "    /device                                             runtime status\n");
-	seq_puts(s, "----------------------------------------------------------------------------------------------\n");
+	seq_puts(s, "    /device                                             runtime status                           managed by\n");
+	seq_puts(s, "------------------------------------------------------------------------------------------------------------\n");
 
 	ret = mutex_lock_interruptible(&gpd_list_lock);
 	if (ret)

-- 
2.34.1