[PATCH] platform/x86: hp-wmi: add support for quiet thermal profile

From: Elia Devito
Date: Sun Sep 25 2022 - 16:44:30 EST


The quiet profile is available only on models without dGPU,
so we enable it when the device has only one GPU onboard.

Signed-off-by: Elia Devito <eliadevito@xxxxxxxxx>
Tested-by: Philippe Rouquier <bonfire-app@xxxxxxxxxx>
---
drivers/platform/x86/hp-wmi.c | 21 ++++++++++++++++++++-
1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index bc7020e9df9e..3e0e67be8001 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -177,7 +177,8 @@ enum hp_thermal_profile_omen_v1 {
enum hp_thermal_profile {
HP_THERMAL_PROFILE_PERFORMANCE = 0x00,
HP_THERMAL_PROFILE_DEFAULT = 0x01,
- HP_THERMAL_PROFILE_COOL = 0x02
+ HP_THERMAL_PROFILE_COOL = 0x02,
+ HP_THERMAL_PROFILE_QUIET = 0x03,
};

#define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW)
@@ -1194,6 +1195,9 @@ static int hp_wmi_platform_profile_get(struct platform_profile_handler *pprof,
case HP_THERMAL_PROFILE_COOL:
*profile = PLATFORM_PROFILE_COOL;
break;
+ case HP_THERMAL_PROFILE_QUIET:
+ *profile = PLATFORM_PROFILE_QUIET;
+ break;
default:
return -EINVAL;
}
@@ -1216,6 +1220,9 @@ static int hp_wmi_platform_profile_set(struct platform_profile_handler *pprof,
case PLATFORM_PROFILE_COOL:
tp = HP_THERMAL_PROFILE_COOL;
break;
+ case PLATFORM_PROFILE_QUIET:
+ tp = HP_THERMAL_PROFILE_QUIET;
+ break;
default:
return -EOPNOTSUPP;
}
@@ -1230,6 +1237,8 @@ static int hp_wmi_platform_profile_set(struct platform_profile_handler *pprof,
static int thermal_profile_setup(void)
{
int err, tp;
+ unsigned int n_gpu = 0;
+ const struct dmi_device *dev = NULL;

if (is_omen_thermal_profile()) {
tp = omen_thermal_profile_get();
@@ -1263,6 +1272,16 @@ static int thermal_profile_setup(void)

platform_profile_handler.profile_get = hp_wmi_platform_profile_get;
platform_profile_handler.profile_set = hp_wmi_platform_profile_set;
+
+ /*
+ * The quiet profile is available only on models without dGPU,
+ * so we enable it when the device has only one GPU onboard.
+ */
+ while ((dev = dmi_find_device(DMI_DEV_TYPE_VIDEO, NULL, dev)))
+ n_gpu++;
+
+ if (n_gpu == 1)
+ set_bit(PLATFORM_PROFILE_QUIET, platform_profile_handler.choices);
}

set_bit(PLATFORM_PROFILE_COOL, platform_profile_handler.choices);
--
2.37.2