[PATCH 1/9] drm/amd: Add amdgpu_hwmon_get_sensor_generic()
Mario Limonciello
mario.limonciello at amd.com
Thu Aug 10 10:31:54 UTC 2023
Many sensor function have a lot of boilerplate checks. Move these
into a generic amdgpu_hwmon_get_sensor_generic() instead.
No intended functional changes.
Signed-off-by: Mario Limonciello <mario.limonciello at amd.com>
---
drivers/gpu/drm/amd/pm/amdgpu_pm.c | 321 ++++++++---------------------
1 file changed, 88 insertions(+), 233 deletions(-)
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
index 5aed023f74022..c0eda9bf09824 100644
--- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c
@@ -1467,6 +1467,32 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
return -EINVAL;
}
+static unsigned int amdgpu_hwmon_get_sensor_generic(struct amdgpu_device *adev,
+ enum amd_pp_sensors sensor,
+ void *query)
+{
+ int r, size = sizeof(uint32_t);
+
+ if (amdgpu_in_reset(adev))
+ return -EPERM;
+ if (adev->in_suspend && !adev->in_runpm)
+ return -EPERM;
+
+ r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
+ if (r < 0) {
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ return r;
+ }
+
+ /* get the sensor value */
+ r = amdgpu_dpm_read_sensor(adev, sensor, query, &size);
+
+ pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
+ pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+
+ return r;
+}
+
/**
* DOC: gpu_busy_percent
*
@@ -1481,26 +1507,10 @@ static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
- int r, value, size = sizeof(value);
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(ddev->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(ddev->dev);
- return r;
- }
-
- /* read the IP busy sensor */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_LOAD,
- (void *)&value, &size);
-
- pm_runtime_mark_last_busy(ddev->dev);
- pm_runtime_put_autosuspend(ddev->dev);
+ unsigned int value;
+ int r;
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_GPU_LOAD, &value);
if (r)
return r;
@@ -1521,26 +1531,10 @@ static ssize_t amdgpu_get_mem_busy_percent(struct device *dev,
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
- int r, value, size = sizeof(value);
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(ddev->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(ddev->dev);
- return r;
- }
-
- /* read the IP busy sensor */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_LOAD,
- (void *)&value, &size);
-
- pm_runtime_mark_last_busy(ddev->dev);
- pm_runtime_put_autosuspend(ddev->dev);
+ unsigned int value;
+ int r;
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_MEM_LOAD, &value);
if (r)
return r;
@@ -1814,45 +1808,15 @@ static ssize_t amdgpu_get_gpu_metrics(struct device *dev,
return size;
}
-static int amdgpu_device_read_powershift(struct amdgpu_device *adev,
- uint32_t *ss_power, bool dgpu_share)
-{
- struct drm_device *ddev = adev_to_drm(adev);
- uint32_t size;
- int r = 0;
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(ddev->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(ddev->dev);
- return r;
- }
-
- if (dgpu_share)
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
- (void *)ss_power, &size);
- else
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
- (void *)ss_power, &size);
-
- pm_runtime_mark_last_busy(ddev->dev);
- pm_runtime_put_autosuspend(ddev->dev);
- return r;
-}
-
static int amdgpu_show_powershift_percent(struct device *dev,
- char *buf, bool dgpu_share)
+ char *buf, enum amd_pp_sensors sensor)
{
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = drm_to_adev(ddev);
uint32_t ss_power;
int r = 0, i;
- r = amdgpu_device_read_powershift(adev, &ss_power, dgpu_share);
+ r = amdgpu_hwmon_get_sensor_generic(adev, sensor, (void *)&ss_power);
if (r == -EOPNOTSUPP) {
/* sensor not available on dGPU, try to read from APU */
adev = NULL;
@@ -1865,14 +1829,15 @@ static int amdgpu_show_powershift_percent(struct device *dev,
}
mutex_unlock(&mgpu_info.mutex);
if (adev)
- r = amdgpu_device_read_powershift(adev, &ss_power, dgpu_share);
+ r = amdgpu_hwmon_get_sensor_generic(adev, sensor, (void *)&ss_power);
}
- if (!r)
- r = sysfs_emit(buf, "%u%%\n", ss_power);
+ if (r)
+ return r;
- return r;
+ return sysfs_emit(buf, "%u%%\n", ss_power);
}
+
/**
* DOC: smartshift_apu_power
*
@@ -1886,7 +1851,7 @@ static int amdgpu_show_powershift_percent(struct device *dev,
static ssize_t amdgpu_get_smartshift_apu_power(struct device *dev, struct device_attribute *attr,
char *buf)
{
- return amdgpu_show_powershift_percent(dev, buf, false);
+ return amdgpu_show_powershift_percent(dev, buf, AMDGPU_PP_SENSOR_SS_APU_SHARE);
}
/**
@@ -1902,7 +1867,7 @@ static ssize_t amdgpu_get_smartshift_apu_power(struct device *dev, struct device
static ssize_t amdgpu_get_smartshift_dgpu_power(struct device *dev, struct device_attribute *attr,
char *buf)
{
- return amdgpu_show_powershift_percent(dev, buf, true);
+ return amdgpu_show_powershift_percent(dev, buf, AMDGPU_PP_SENSOR_SS_DGPU_SHARE);
}
/**
@@ -1965,7 +1930,6 @@ static ssize_t amdgpu_set_smartshift_bias(struct device *dev,
return r;
}
-
static int ss_power_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
uint32_t mask, enum amdgpu_device_attr_states *states)
{
@@ -1978,15 +1942,15 @@ static int ss_power_attr_update(struct amdgpu_device *adev, struct amdgpu_device
static int ss_bias_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
uint32_t mask, enum amdgpu_device_attr_states *states)
{
- uint32_t ss_power, size;
+ uint32_t ss_power;
if (!amdgpu_device_supports_smart_shift(adev_to_drm(adev)))
*states = ATTR_STATE_UNSUPPORTED;
- else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
- (void *)&ss_power, &size))
+ else if (amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_SS_APU_SHARE,
+ (void *)&ss_power))
*states = ATTR_STATE_UNSUPPORTED;
- else if (amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
- (void *)&ss_power, &size))
+ else if (amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_SS_DGPU_SHARE,
+ (void *)&ss_power))
*states = ATTR_STATE_UNSUPPORTED;
return 0;
@@ -2271,46 +2235,32 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
int channel = to_sensor_dev_attr(attr)->index;
- int r, temp = 0, size = sizeof(temp);
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
+ int r, temp = 0;
if (channel >= PP_TEMP_MAX)
return -EINVAL;
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
-
switch (channel) {
case PP_TEMP_JUNCTION:
/* get current junction temperature */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
- (void *)&temp, &size);
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_HOTSPOT_TEMP,
+ (void *)&temp);
break;
case PP_TEMP_EDGE:
/* get current edge temperature */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP,
- (void *)&temp, &size);
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_EDGE_TEMP,
+ (void *)&temp);
break;
case PP_TEMP_MEM:
/* get current memory temperature */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP,
- (void *)&temp, &size);
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_MEM_TEMP,
+ (void *)&temp);
break;
default:
r = -EINVAL;
break;
}
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
if (r)
return r;
@@ -2594,25 +2544,10 @@ static ssize_t amdgpu_hwmon_get_fan1_min(struct device *dev,
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
u32 min_rpm = 0;
- u32 size = sizeof(min_rpm);
int r;
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
-
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
- (void *)&min_rpm, &size);
-
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
+ (void *)&min_rpm);
if (r)
return r;
@@ -2626,25 +2561,10 @@ static ssize_t amdgpu_hwmon_get_fan1_max(struct device *dev,
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
u32 max_rpm = 0;
- u32 size = sizeof(max_rpm);
int r;
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
-
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
- (void *)&max_rpm, &size);
-
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
+ (void *)&max_rpm);
if (r)
return r;
@@ -2806,26 +2726,11 @@ static ssize_t amdgpu_hwmon_show_vddgfx(struct device *dev,
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
u32 vddgfx;
- int r, size = sizeof(vddgfx);
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
+ int r;
/* get the voltage */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX,
- (void *)&vddgfx, &size);
-
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_VDDGFX,
+ (void *)&vddgfx);
if (r)
return r;
@@ -2845,30 +2750,15 @@ static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev,
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
u32 vddnb;
- int r, size = sizeof(vddnb);
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
+ int r;
/* only APUs have vddnb */
if (!(adev->flags & AMD_IS_APU))
return -EINVAL;
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
-
/* get the voltage */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB,
- (void *)&vddnb, &size);
-
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_VDDNB,
+ (void *)&vddnb);
if (r)
return r;
@@ -2882,40 +2772,35 @@ static ssize_t amdgpu_hwmon_show_vddnb_label(struct device *dev,
return sysfs_emit(buf, "vddnb\n");
}
-static ssize_t amdgpu_hwmon_show_power_avg(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static unsigned int amdgpu_hwmon_get_power(struct device *dev,
+ enum amd_pp_sensors sensor)
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
+ unsigned int uw;
u32 query = 0;
- int r, size = sizeof(u32);
- unsigned uw;
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
-
- /* get the voltage */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GPU_POWER,
- (void *)&query, &size);
-
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
+ int r;
+ r = amdgpu_hwmon_get_sensor_generic(adev, sensor, (void *)&query);
if (r)
return r;
/* convert to microwatts */
uw = (query >> 8) * 1000000 + (query & 0xff) * 1000;
- return sysfs_emit(buf, "%u\n", uw);
+ return uw;
+}
+
+static ssize_t amdgpu_hwmon_show_power_avg(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,
@@ -3050,26 +2935,11 @@ static ssize_t amdgpu_hwmon_show_sclk(struct device *dev,
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
uint32_t sclk;
- int r, size = sizeof(sclk);
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
+ int r;
/* get the sclk */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK,
- (void *)&sclk, &size);
-
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_GFX_SCLK,
+ (void *)&sclk);
if (r)
return r;
@@ -3089,26 +2959,11 @@ static ssize_t amdgpu_hwmon_show_mclk(struct device *dev,
{
struct amdgpu_device *adev = dev_get_drvdata(dev);
uint32_t mclk;
- int r, size = sizeof(mclk);
-
- if (amdgpu_in_reset(adev))
- return -EPERM;
- if (adev->in_suspend && !adev->in_runpm)
- return -EPERM;
-
- r = pm_runtime_get_sync(adev_to_drm(adev)->dev);
- if (r < 0) {
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
- return r;
- }
+ int r;
/* get the sclk */
- r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK,
- (void *)&mclk, &size);
-
- pm_runtime_mark_last_busy(adev_to_drm(adev)->dev);
- pm_runtime_put_autosuspend(adev_to_drm(adev)->dev);
-
+ r = amdgpu_hwmon_get_sensor_generic(adev, AMDGPU_PP_SENSOR_GFX_MCLK,
+ (void *)&mclk);
if (r)
return r;
--
2.34.1
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