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@xxxxxxx> --- 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