u8 fan_boost_mode_mask;
u8 fan_boost_mode;
+ bool dgpu_disable_available;
+ bool dgpu_disable;
+
bool throttle_thermal_policy_available;
u8 throttle_thermal_policy_mode;
}
}
+/* dGPU ********************************************************************/
+static int dgpu_disable_check_present(struct asus_wmi *asus)
+{
+ u32 result;
+ int err;
+
+ asus->dgpu_disable_available = false;
+
+ err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_DGPU, &result);
+ if (err) {
+ if (err == -ENODEV)
+ return 0;
+ return err;
+ }
+
+ if (result & ASUS_WMI_DSTS_PRESENCE_BIT) {
+ asus->dgpu_disable_available = true;
+ asus->dgpu_disable = result & ASUS_WMI_DSTS_STATUS_BIT;
+ }
+
+ return 0;
+}
+
+static int dgpu_disable_write(struct asus_wmi *asus)
+{
+ u32 retval;
+ u8 value;
+ int err;
+
+ /* Don't rely on type conversion */
+ value = asus->dgpu_disable ? 1 : 0;
+
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, value, &retval);
+ if (err) {
+ pr_warn("Failed to set dgpu disable: %d\n", err);
+ return err;
+ }
+
+ if (retval > 1 || retval < 0) {
+ pr_warn("Failed to set dgpu disable (retval): 0x%x\n", retval);
+ return -EIO;
+ }
+
+ sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable");
+
+ return 0;
+}
+
+static ssize_t dgpu_disable_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+ u8 mode = asus->dgpu_disable;
+
+ return sysfs_emit(buf, "%d\n", mode);
+}
+
+/*
+ * A user may be required to store the value twice, typcial store first, then
+ * rescan PCI bus to activate power, then store a second time to save correctly.
+ * The reason for this is that an extra code path in the ACPI is enabled when
+ * the device and bus are powered.
+ */
+static ssize_t dgpu_disable_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ bool disable;
+ int result;
+
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ result = kstrtobool(buf, &disable);
+ if (result)
+ return result;
+
+ asus->dgpu_disable = disable;
+
+ result = dgpu_disable_write(asus);
+ if (result)
+ return result;
+
+ return count;
+}
+
+static DEVICE_ATTR_RW(dgpu_disable);
+
/* Battery ********************************************************************/
/* The battery maximum charging percentage */
&dev_attr_camera.attr,
&dev_attr_cardr.attr,
&dev_attr_touchpad.attr,
+ &dev_attr_dgpu_disable.attr,
&dev_attr_lid_resume.attr,
&dev_attr_als_enable.attr,
&dev_attr_fan_boost_mode.attr,
devid = ASUS_WMI_DEVID_LID_RESUME;
else if (attr == &dev_attr_als_enable.attr)
devid = ASUS_WMI_DEVID_ALS_ENABLE;
+ else if (attr == &dev_attr_dgpu_disable.attr)
+ ok = asus->dgpu_disable_available;
else if (attr == &dev_attr_fan_boost_mode.attr)
ok = asus->fan_boost_mode_available;
else if (attr == &dev_attr_throttle_thermal_policy.attr)
if (err)
goto fail_platform;
+ err = dgpu_disable_check_present(asus);
+ if (err)
+ goto fail_dgpu_disable;
+
err = fan_boost_mode_check_present(asus);
if (err)
goto fail_fan_boost_mode;
fail_sysfs:
fail_throttle_thermal_policy:
fail_fan_boost_mode:
+fail_dgpu_disable:
fail_platform:
fail_panel_od:
kfree(asus);