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path: root/drivers/gpu/drm/amd/pm/amdgpu_pm.c
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Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c56
1 files changed, 30 insertions, 26 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 769f58d5ae1a..249cb0aeb5ae 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2005,10 +2005,10 @@ static int ss_bias_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
static struct amdgpu_device_attr amdgpu_device_attrs[] = {
AMDGPU_DEVICE_ATTR_RW(power_dpm_state, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(power_dpm_force_performance_level, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
- AMDGPU_DEVICE_ATTR_RO(pp_num_states, ATTR_FLAG_BASIC),
- AMDGPU_DEVICE_ATTR_RO(pp_cur_state, ATTR_FLAG_BASIC),
- AMDGPU_DEVICE_ATTR_RW(pp_force_state, ATTR_FLAG_BASIC),
- AMDGPU_DEVICE_ATTR_RW(pp_table, ATTR_FLAG_BASIC),
+ AMDGPU_DEVICE_ATTR_RO(pp_num_states, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RO(pp_cur_state, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_force_state, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
+ AMDGPU_DEVICE_ATTR_RW(pp_table, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_sclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_mclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
AMDGPU_DEVICE_ATTR_RW(pp_dpm_socclk, ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
@@ -2094,14 +2094,19 @@ static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_
*states = ATTR_STATE_UNSUPPORTED;
}
- if (asic_type == CHIP_ARCTURUS) {
- /* Arcturus does not support standalone mclk/socclk/fclk level setting */
+ switch (asic_type) {
+ case CHIP_ARCTURUS:
+ case CHIP_ALDEBARAN:
+ /* the Mi series card does not support standalone mclk/socclk/fclk level setting */
if (DEVICE_ATTR_IS(pp_dpm_mclk) ||
DEVICE_ATTR_IS(pp_dpm_socclk) ||
DEVICE_ATTR_IS(pp_dpm_fclk)) {
dev_attr->attr.mode &= ~S_IWUGO;
dev_attr->store = NULL;
}
+ break;
+ default:
+ break;
}
if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
@@ -2379,7 +2384,7 @@ static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return sprintf(buf, "%u\n", pwm_mode);
+ return sysfs_emit(buf, "%u\n", pwm_mode);
}
static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
@@ -2424,14 +2429,14 @@ static ssize_t amdgpu_hwmon_get_pwm1_min(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "%i\n", 0);
+ return sysfs_emit(buf, "%i\n", 0);
}
static ssize_t amdgpu_hwmon_get_pwm1_max(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "%i\n", 255);
+ return sysfs_emit(buf, "%i\n", 255);
}
static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
@@ -2469,10 +2474,8 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
return err;
}
- value = (value * 100) / 255;
-
- if (adev->powerplay.pp_funcs->set_fan_speed_percent)
- err = amdgpu_dpm_set_fan_speed_percent(adev, value);
+ if (adev->powerplay.pp_funcs->set_fan_speed_pwm)
+ err = amdgpu_dpm_set_fan_speed_pwm(adev, value);
else
err = -EINVAL;
@@ -2504,8 +2507,8 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
return err;
}
- if (adev->powerplay.pp_funcs->get_fan_speed_percent)
- err = amdgpu_dpm_get_fan_speed_percent(adev, &speed);
+ if (adev->powerplay.pp_funcs->get_fan_speed_pwm)
+ err = amdgpu_dpm_get_fan_speed_pwm(adev, &speed);
else
err = -EINVAL;
@@ -2515,9 +2518,7 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
if (err)
return err;
- speed = (speed * 255) / 100;
-
- return sprintf(buf, "%i\n", speed);
+ return sysfs_emit(buf, "%i\n", speed);
}
static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev,
@@ -2550,7 +2551,7 @@ static ssize_t amdgpu_hwmon_get_fan1_input(struct device *dev,
if (err)
return err;
- return sprintf(buf, "%i\n", speed);
+ return sysfs_emit(buf, "%i\n", speed);
}
static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
@@ -2647,7 +2648,7 @@ static ssize_t amdgpu_hwmon_get_fan1_target(struct device *dev,
if (err)
return err;
- return sprintf(buf, "%i\n", rpm);
+ return sysfs_emit(buf, "%i\n", rpm);
}
static ssize_t amdgpu_hwmon_set_fan1_target(struct device *dev,
@@ -2729,7 +2730,7 @@ static ssize_t amdgpu_hwmon_get_fan1_enable(struct device *dev,
pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return sprintf(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
+ return sysfs_emit(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
}
static ssize_t amdgpu_hwmon_set_fan1_enable(struct device *dev,
@@ -2899,7 +2900,7 @@ static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev,
struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "%i\n", 0);
+ return sysfs_emit(buf, "%i\n", 0);
}
@@ -3174,6 +3175,9 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
*
* - fan[1-\*]_enable: Enable or disable the sensors.1: Enable 0: Disable
*
+ * NOTE: DO NOT set the fan speed via "pwm1" and "fan[1-\*]_target" interfaces at the same time.
+ * That will get the former one overridden.
+ *
* hwmon interfaces for GPU clocks:
*
* - freq1_input: the gfx/compute clock in hertz
@@ -3349,13 +3353,13 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
if (!is_support_sw_smu(adev)) {
/* mask fan attributes if we have no bindings for this asic to expose */
- if ((!adev->powerplay.pp_funcs->get_fan_speed_percent &&
+ if ((!adev->powerplay.pp_funcs->get_fan_speed_pwm &&
attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */
(!adev->powerplay.pp_funcs->get_fan_control_mode &&
attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */
effective_mode &= ~S_IRUGO;
- if ((!adev->powerplay.pp_funcs->set_fan_speed_percent &&
+ if ((!adev->powerplay.pp_funcs->set_fan_speed_pwm &&
attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */
(!adev->powerplay.pp_funcs->set_fan_control_mode &&
attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */
@@ -3379,8 +3383,8 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
if (!is_support_sw_smu(adev)) {
/* hide max/min values if we can't both query and manage the fan */
- if ((!adev->powerplay.pp_funcs->set_fan_speed_percent &&
- !adev->powerplay.pp_funcs->get_fan_speed_percent) &&
+ if ((!adev->powerplay.pp_funcs->set_fan_speed_pwm &&
+ !adev->powerplay.pp_funcs->get_fan_speed_pwm) &&
(!adev->powerplay.pp_funcs->set_fan_speed_rpm &&
!adev->powerplay.pp_funcs->get_fan_speed_rpm) &&
(attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||