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authorMario Limonciello <mario.limonciello@amd.com>2023-08-10 05:31:55 -0500
committerAlex Deucher <alexander.deucher@amd.com>2023-08-15 18:08:29 -0400
commitbb9f7b6826257390a847abb39c719dca0de41a18 (patch)
tree612ddbd542431989f3c379c6dc0f9b6b884dfef6 /drivers/gpu/drm/amd/pm/amdgpu_pm.c
parentd117fd296456b0b754fe6819a68ba883c4f46d1c (diff)
drm/amd: Add a new hwmon attribute for instantaneous power
Some GPUs provide support for current power, some average power, and some both. To be able to support all these combinations, introduce a new attribute. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
-rw-r--r--drivers/gpu/drm/amd/pm/amdgpu_pm.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index c0eda9bf0982..816f034cfe3f 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -2803,6 +2803,19 @@ static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
return sysfs_emit(buf, "%u\n", val);
}
+static ssize_t amdgpu_hwmon_show_power_input(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ unsigned int val;
+
+ val = amdgpu_hwmon_get_power(dev, AMDGPU_PP_SENSOR_GPU_POWER);
+ if (val < 0)
+ return val;
+
+ return sysfs_emit(buf, "%u\n", val);
+}
+
static ssize_t amdgpu_hwmon_show_power_cap_min(struct device *dev,
struct device_attribute *attr,
char *buf)
@@ -3023,6 +3036,8 @@ static ssize_t amdgpu_hwmon_show_mclk_label(struct device *dev,
*
* - power1_average: average power used by the SoC in microWatts. On APUs this includes the CPU.
*
+ * - power1_input: instantaneous power used by the SoC in microWatts. On APUs this includes the CPU.
+ *
* - power1_cap_min: minimum cap supported in microWatts
*
* - power1_cap_max: maximum cap supported in microWatts
@@ -3091,6 +3106,7 @@ static SENSOR_DEVICE_ATTR(in0_label, S_IRUGO, amdgpu_hwmon_show_vddgfx_label, NU
static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, amdgpu_hwmon_show_vddnb, NULL, 0);
static SENSOR_DEVICE_ATTR(in1_label, S_IRUGO, amdgpu_hwmon_show_vddnb_label, NULL, 0);
static SENSOR_DEVICE_ATTR(power1_average, S_IRUGO, amdgpu_hwmon_show_power_avg, NULL, 0);
+static SENSOR_DEVICE_ATTR(power1_input, S_IRUGO, amdgpu_hwmon_show_power_input, NULL, 0);
static SENSOR_DEVICE_ATTR(power1_cap_max, S_IRUGO, amdgpu_hwmon_show_power_cap_max, NULL, 0);
static SENSOR_DEVICE_ATTR(power1_cap_min, S_IRUGO, amdgpu_hwmon_show_power_cap_min, NULL, 0);
static SENSOR_DEVICE_ATTR(power1_cap, S_IRUGO | S_IWUSR, amdgpu_hwmon_show_power_cap, amdgpu_hwmon_set_power_cap, 0);
@@ -3137,6 +3153,7 @@ static struct attribute *hwmon_attributes[] = {
&sensor_dev_attr_in1_input.dev_attr.attr,
&sensor_dev_attr_in1_label.dev_attr.attr,
&sensor_dev_attr_power1_average.dev_attr.attr,
+ &sensor_dev_attr_power1_input.dev_attr.attr,
&sensor_dev_attr_power1_cap_max.dev_attr.attr,
&sensor_dev_attr_power1_cap_min.dev_attr.attr,
&sensor_dev_attr_power1_cap.dev_attr.attr,