drm/amdgpu/pm: properly handle runtime pm

If power management sysfs or debugfs files are accessed,
power up the GPU when necessary.

Reviewed-by: Evan Quan <[e-mail]>
Signed-off-by: Alex Deucher <[e-mail]>

drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c

···
 #include <linux/hwmon.h>
 #include <linux/hwmon-sysfs.h>
 #include <linux/nospec.h>
+#include <linux/pm_runtime.h>
 #include "hwmgr.h"
 #define WIDTH_4K 3840
 
···
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 	enum amd_pm_state_type pm;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev)) {
 		if (adev->smu.ppt_funcs->get_current_power_state)
···
 	} else {
 		pm = adev->pm.dpm.user_state;
 	}
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	return snprintf(buf, PAGE_SIZE, "%s\n",
 			(pm == POWER_STATE_TYPE_BATTERY) ? "battery" :
···
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 	enum amd_pm_state_type  state;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return -EINVAL;
···
 		goto fail;
 	}
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		mutex_lock(&adev->pm.mutex);
 		adev->pm.dpm.user_state = state;
···
 		adev->pm.dpm.user_state = state;
 		mutex_unlock(&adev->pm.mutex);
 
-		/* Can't set dpm state when the card is off */
-		if (!(adev->flags & AMD_IS_PX) ||
-		    (ddev->switch_power_state == DRM_SWITCH_POWER_ON))
-			amdgpu_pm_compute_clocks(adev);
+		amdgpu_pm_compute_clocks(adev);
 	}
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+
 fail:
 	return count;
 }
···
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 	enum amd_dpm_forced_level level = 0xff;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
-	if ((adev->flags & AMD_IS_PX) &&
-	    (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return snprintf(buf, PAGE_SIZE, "off\n");
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev))
 		level = smu_get_performance_level(&adev->smu);
···
 		level = amdgpu_dpm_get_performance_level(adev);
 	else
 		level = adev->pm.dpm.forced_level;
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	return snprintf(buf, PAGE_SIZE, "%s\n",
 			(level == AMD_DPM_FORCED_LEVEL_AUTO) ? "auto" :
···
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return -EINVAL;
 
-	/* Can't force performance level when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
-
 	if (strncmp("low", buf, strlen("low")) == 0) {
 		level = AMD_DPM_FORCED_LEVEL_LOW;
 	} else if (strncmp("high", buf, strlen("high")) == 0) {
···
 	} else if (strncmp("profile_peak", buf, strlen("profile_peak")) == 0) {
 		level = AMD_DPM_FORCED_LEVEL_PROFILE_PEAK;
 	}  else {
-		count = -EINVAL;
-		goto fail;
+		return -EINVAL;
 	}
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev))
 		current_level = smu_get_performance_level(&adev->smu);
 	else if (adev->powerplay.pp_funcs->get_performance_level)
 		current_level = amdgpu_dpm_get_performance_level(adev);
 
-	if (current_level == level)
+	if (current_level == level) {
+		pm_runtime_mark_last_busy(ddev->dev);
+		pm_runtime_put_autosuspend(ddev->dev);
 		return count;
+	}
 
 	/* profile_exit setting is valid only when current mode is in profile mode */
 	if (!(current_level & (AMD_DPM_FORCED_LEVEL_PROFILE_STANDARD |
···
 	    AMD_DPM_FORCED_LEVEL_PROFILE_PEAK)) &&
 	    (level == AMD_DPM_FORCED_LEVEL_PROFILE_EXIT)) {
 		pr_err("Currently not in any profile mode!\n");
+		pm_runtime_mark_last_busy(ddev->dev);
+		pm_runtime_put_autosuspend(ddev->dev);
 		return -EINVAL;
 	}
 
···
 	} else if (adev->powerplay.pp_funcs->force_performance_level) {
 		mutex_lock(&adev->pm.mutex);
 		if (adev->pm.dpm.thermal_active) {
-			count = -EINVAL;
 			mutex_unlock(&adev->pm.mutex);
-			goto fail;
+			pm_runtime_mark_last_busy(ddev->dev);
+			pm_runtime_put_autosuspend(ddev->dev);
+			return -EINVAL;
 		}
 		ret = amdgpu_dpm_force_performance_level(adev, level);
 		if (ret)
···
 			adev->pm.dpm.forced_level = level;
 		mutex_unlock(&adev->pm.mutex);
 	}
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
-fail:
 	return count;
 }
 
···
 	struct pp_states_info data;
 	int i, buf_len, ret;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		ret = smu_get_power_num_states(&adev->smu, &data);
 		if (ret)
 			return ret;
 	} else if (adev->powerplay.pp_funcs->get_pp_num_states)
 		amdgpu_dpm_get_pp_num_states(adev, &data);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	buf_len = snprintf(buf, PAGE_SIZE, "states: %d\n", data.nums);
 	for (i = 0; i < data.nums; i++)
···
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		pm = smu_get_current_power_state(smu);
 		ret = smu_get_power_num_states(smu, &data);
···
 		pm = amdgpu_dpm_get_current_power_state(adev);
 		amdgpu_dpm_get_pp_num_states(adev, &data);
 	}
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	for (i = 0; i < data.nums; i++) {
 		if (pm == data.states[i])
···
 		struct pp_states_info data;
 
 		ret = kstrtoul(buf, 0, &idx);
-		if (ret || idx >= ARRAY_SIZE(data.states)) {
-			count = -EINVAL;
-			goto fail;
-		}
+		if (ret || idx >= ARRAY_SIZE(data.states))
+			return -EINVAL;
+
 		idx = array_index_nospec(idx, ARRAY_SIZE(data.states));
 
 		amdgpu_dpm_get_pp_num_states(adev, &data);
 		state = data.states[idx];
+
+		ret = pm_runtime_get_sync(ddev->dev);
+		if (ret < 0)
+			return ret;
+
 		/* only set user selected power states */
 		if (state != POWER_STATE_TYPE_INTERNAL_BOOT &&
 		    state != POWER_STATE_TYPE_DEFAULT) {
···
 					AMD_PP_TASK_ENABLE_USER_STATE, &state);
 			adev->pp_force_state_enabled = true;
 		}
+		pm_runtime_mark_last_busy(ddev->dev);
+		pm_runtime_put_autosuspend(ddev->dev);
 	}
-fail:
+
 	return count;
 }
 
···
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 	char *table = NULL;
-	int size;
+	int size, ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		size = smu_sys_get_pp_table(&adev->smu, (void **)&table);
+		pm_runtime_mark_last_busy(ddev->dev);
+		pm_runtime_put_autosuspend(ddev->dev);
 		if (size < 0)
 			return size;
-	}
-	else if (adev->powerplay.pp_funcs->get_pp_table)
+	} else if (adev->powerplay.pp_funcs->get_pp_table) {
 		size = amdgpu_dpm_get_pp_table(adev, &table);
-	else
+		pm_runtime_mark_last_busy(ddev->dev);
+		pm_runtime_put_autosuspend(ddev->dev);
+		if (size < 0)
+			return size;
+	} else {
+		pm_runtime_mark_last_busy(ddev->dev);
+		pm_runtime_put_autosuspend(ddev->dev);
 		return 0;
+	}
 
 	if (size >= PAGE_SIZE)
 		size = PAGE_SIZE - 1;
···
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return -EINVAL;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		ret = smu_sys_set_pp_table(&adev->smu, (void *)buf, count);
-		if (ret)
+		if (ret) {
+			pm_runtime_mark_last_busy(ddev->dev);
+			pm_runtime_put_autosuspend(ddev->dev);
 			return ret;
+		}
 	} else if (adev->powerplay.pp_funcs->set_pp_table)
 		amdgpu_dpm_set_pp_table(adev, buf, count);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	return count;
 }
···
 			tmp_str++;
 	}
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		ret = smu_od_edit_dpm_table(&adev->smu, type,
 					    parameter, parameter_size);
 
-		if (ret)
+		if (ret) {
+			pm_runtime_mark_last_busy(ddev->dev);
+			pm_runtime_put_autosuspend(ddev->dev);
 			return -EINVAL;
+		}
 	} else {
 		if (adev->powerplay.pp_funcs->odn_edit_dpm_table) {
 			ret = amdgpu_dpm_odn_edit_dpm_table(adev, type,
 						parameter, parameter_size);
-			if (ret)
+			if (ret) {
+				pm_runtime_mark_last_busy(ddev->dev);
+				pm_runtime_put_autosuspend(ddev->dev);
 				return -EINVAL;
+			}
 		}
 
 		if (type == PP_OD_COMMIT_DPM_TABLE) {
···
 				amdgpu_dpm_dispatch_task(adev,
 						AMD_PP_TASK_READJUST_POWER_STATE,
 						NULL);
+				pm_runtime_mark_last_busy(ddev->dev);
+				pm_runtime_put_autosuspend(ddev->dev);
 				return count;
 			} else {
+				pm_runtime_mark_last_busy(ddev->dev);
+				pm_runtime_put_autosuspend(ddev->dev);
 				return -EINVAL;
 			}
 		}
 	}
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	return count;
 }
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
-	uint32_t size = 0;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev))
 		return 0;
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev)) {
 		size = smu_print_clk_levels(&adev->smu, SMU_OD_SCLK, buf);
 		size += smu_print_clk_levels(&adev->smu, SMU_OD_MCLK, buf+size);
 		size += smu_print_clk_levels(&adev->smu, SMU_OD_VDDC_CURVE, buf+size);
 		size += smu_print_clk_levels(&adev->smu, SMU_OD_RANGE, buf+size);
-		return size;
 	} else if (adev->powerplay.pp_funcs->print_clock_levels) {
 		size = amdgpu_dpm_print_clock_levels(adev, OD_SCLK, buf);
 		size += amdgpu_dpm_print_clock_levels(adev, OD_MCLK, buf+size);
 		size += amdgpu_dpm_print_clock_levels(adev, OD_VDDC_CURVE, buf+size);
 		size += amdgpu_dpm_print_clock_levels(adev, OD_RANGE, buf+size);
-		return size;
 	} else {
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
 	}
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
+	return size;
 }
 
 /**
···
 
 	pr_debug("featuremask = 0x%llx\n", featuremask);
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		ret = smu_sys_set_pp_feature_mask(&adev->smu, featuremask);
 		if (ret)
-			return -EINVAL;
+			count = -EINVAL;
 	} else if (adev->powerplay.pp_funcs->set_ppfeature_status) {
 		ret = amdgpu_dpm_set_ppfeature_status(adev, featuremask);
 		if (ret)
-			return -EINVAL;
+			count = -EINVAL;
 	}
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	return count;
 }
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev))
 		return 0;
 
-	if (is_support_sw_smu(adev)) {
-		return smu_sys_get_pp_feature_mask(&adev->smu, buf);
-	} else if (adev->powerplay.pp_funcs->get_ppfeature_status)
-		return amdgpu_dpm_get_ppfeature_status(adev, buf);
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
-	return snprintf(buf, PAGE_SIZE, "\n");
+	if (is_support_sw_smu(adev))
+		size = smu_sys_get_pp_feature_mask(&adev->smu, buf);
+	else if (adev->powerplay.pp_funcs->get_ppfeature_status)
+		size = amdgpu_dpm_get_ppfeature_status(adev, buf);
+	else
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 /**
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
-		return smu_print_clk_levels(&adev->smu, SMU_SCLK, buf);
+		size = smu_print_clk_levels(&adev->smu, SMU_SCLK, buf);
 	else if (adev->powerplay.pp_funcs->print_clock_levels)
-		return amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf);
+		size = amdgpu_dpm_print_clock_levels(adev, PP_SCLK, buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 /*
···
 	if (ret)
 		return ret;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
 		ret = smu_force_clk_levels(&adev->smu, SMU_SCLK, mask, true);
 	else if (adev->powerplay.pp_funcs->force_clock_level)
 		ret = amdgpu_dpm_force_clock_level(adev, PP_SCLK, mask);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	if (ret)
 		return -EINVAL;
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
-		return smu_print_clk_levels(&adev->smu, SMU_MCLK, buf);
+		size = smu_print_clk_levels(&adev->smu, SMU_MCLK, buf);
 	else if (adev->powerplay.pp_funcs->print_clock_levels)
-		return amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf);
+		size = amdgpu_dpm_print_clock_levels(adev, PP_MCLK, buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 static ssize_t amdgpu_set_pp_dpm_mclk(struct device *dev,
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
-	int ret;
 	uint32_t mask = 0;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 			return -EINVAL;
···
 	if (ret)
 		return ret;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
 		ret = smu_force_clk_levels(&adev->smu, SMU_MCLK, mask, true);
 	else if (adev->powerplay.pp_funcs->force_clock_level)
 		ret = amdgpu_dpm_force_clock_level(adev, PP_MCLK, mask);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	if (ret)
 		return -EINVAL;
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
-		return smu_print_clk_levels(&adev->smu, SMU_SOCCLK, buf);
+		size = smu_print_clk_levels(&adev->smu, SMU_SOCCLK, buf);
 	else if (adev->powerplay.pp_funcs->print_clock_levels)
-		return amdgpu_dpm_print_clock_levels(adev, PP_SOCCLK, buf);
+		size = amdgpu_dpm_print_clock_levels(adev, PP_SOCCLK, buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 static ssize_t amdgpu_set_pp_dpm_socclk(struct device *dev,
···
 	if (ret)
 		return ret;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
 		ret = smu_force_clk_levels(&adev->smu, SMU_SOCCLK, mask, true);
 	else if (adev->powerplay.pp_funcs->force_clock_level)
 		ret = amdgpu_dpm_force_clock_level(adev, PP_SOCCLK, mask);
+	else
+		ret = 0;
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	if (ret)
 		return -EINVAL;
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
-		return smu_print_clk_levels(&adev->smu, SMU_FCLK, buf);
+		size = smu_print_clk_levels(&adev->smu, SMU_FCLK, buf);
 	else if (adev->powerplay.pp_funcs->print_clock_levels)
-		return amdgpu_dpm_print_clock_levels(adev, PP_FCLK, buf);
+		size = amdgpu_dpm_print_clock_levels(adev, PP_FCLK, buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 static ssize_t amdgpu_set_pp_dpm_fclk(struct device *dev,
···
 	if (ret)
 		return ret;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
 		ret = smu_force_clk_levels(&adev->smu, SMU_FCLK, mask, true);
 	else if (adev->powerplay.pp_funcs->force_clock_level)
 		ret = amdgpu_dpm_force_clock_level(adev, PP_FCLK, mask);
+	else
+		ret = 0;
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	if (ret)
 		return -EINVAL;
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
-		return smu_print_clk_levels(&adev->smu, SMU_DCEFCLK, buf);
+		size = smu_print_clk_levels(&adev->smu, SMU_DCEFCLK, buf);
 	else if (adev->powerplay.pp_funcs->print_clock_levels)
-		return amdgpu_dpm_print_clock_levels(adev, PP_DCEFCLK, buf);
+		size = amdgpu_dpm_print_clock_levels(adev, PP_DCEFCLK, buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 static ssize_t amdgpu_set_pp_dpm_dcefclk(struct device *dev,
···
 	if (ret)
 		return ret;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
 		ret = smu_force_clk_levels(&adev->smu, SMU_DCEFCLK, mask, true);
 	else if (adev->powerplay.pp_funcs->force_clock_level)
 		ret = amdgpu_dpm_force_clock_level(adev, PP_DCEFCLK, mask);
+	else
+		ret = 0;
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	if (ret)
 		return -EINVAL;
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
-		return smu_print_clk_levels(&adev->smu, SMU_PCIE, buf);
+		size = smu_print_clk_levels(&adev->smu, SMU_PCIE, buf);
 	else if (adev->powerplay.pp_funcs->print_clock_levels)
-		return amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf);
+		size = amdgpu_dpm_print_clock_levels(adev, PP_PCIE, buf);
 	else
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 static ssize_t amdgpu_set_pp_dpm_pcie(struct device *dev,
···
 	if (ret)
 		return ret;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
 		ret = smu_force_clk_levels(&adev->smu, SMU_PCIE, mask, true);
 	else if (adev->powerplay.pp_funcs->force_clock_level)
 		ret = amdgpu_dpm_force_clock_level(adev, PP_PCIE, mask);
+	else
+		ret = 0;
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	if (ret)
 		return -EINVAL;
···
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 	uint32_t value = 0;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev))
 		return 0;
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev))
 		value = smu_get_od_percentage(&(adev->smu), SMU_OD_SCLK);
 	else if (adev->powerplay.pp_funcs->get_sclk_od)
 		value = amdgpu_dpm_get_sclk_od(adev);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", value);
 }
···
 
 	ret = kstrtol(buf, 0, &value);
 
-	if (ret) {
-		count = -EINVAL;
-		goto fail;
-	}
+	if (ret)
+		return -EINVAL;
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev)) {
 		value = smu_set_od_percentage(&(adev->smu), SMU_OD_SCLK, (uint32_t)value);
···
 		}
 	}
 
-fail:
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
 	return count;
 }
 
···
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 	uint32_t value = 0;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev))
 		return 0;
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev))
 		value = smu_get_od_percentage(&(adev->smu), SMU_OD_MCLK);
 	else if (adev->powerplay.pp_funcs->get_mclk_od)
 		value = amdgpu_dpm_get_mclk_od(adev);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", value);
 }
···
 
 	ret = kstrtol(buf, 0, &value);
 
-	if (ret) {
-		count = -EINVAL;
-		goto fail;
-	}
+	if (ret)
+		return -EINVAL;
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev)) {
 		value = smu_set_od_percentage(&(adev->smu), SMU_OD_MCLK, (uint32_t)value);
···
 		}
 	}
 
-fail:
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
 	return count;
 }
 
···
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
+	ssize_t size;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
-	if (is_support_sw_smu(adev))
-		return smu_get_power_profile_mode(&adev->smu, buf);
-	else if (adev->powerplay.pp_funcs->get_power_profile_mode)
-		return amdgpu_dpm_get_power_profile_mode(adev, buf);
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
 
-	return snprintf(buf, PAGE_SIZE, "\n");
+	if (is_support_sw_smu(adev))
+		size = smu_get_power_profile_mode(&adev->smu, buf);
+	else if (adev->powerplay.pp_funcs->get_power_profile_mode)
+		size = amdgpu_dpm_get_power_profile_mode(adev, buf);
+	else
+		size = snprintf(buf, PAGE_SIZE, "\n");
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
+	return size;
 }
 
 
···
 	tmp[1] = '\0';
 	ret = kstrtol(tmp, 0, &profile_mode);
 	if (ret)
-		goto fail;
+		return -EINVAL;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return -EINVAL;
···
 		while (tmp_str[0]) {
 			sub_str = strsep(&tmp_str, delimiter);
 			ret = kstrtol(sub_str, 0, &parameter[parameter_size]);
-			if (ret) {
-				count = -EINVAL;
-				goto fail;
-			}
+			if (ret)
+				return -EINVAL;
 			parameter_size++;
 			while (isspace(*tmp_str))
 				tmp_str++;
 		}
 	}
 	parameter[parameter_size] = profile_mode;
+
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev))
 		ret = smu_set_power_profile_mode(&adev->smu, parameter, parameter_size, true);
 	else if (adev->powerplay.pp_funcs->set_power_profile_mode)
 		ret = amdgpu_dpm_set_power_profile_mode(adev, parameter, parameter_size);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
 	if (!ret)
 		return count;
-fail:
+
 	return -EINVAL;
 }
 
···
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	r = pm_runtime_get_sync(ddev->dev);
+	if (r < 0)
+		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);
 
 	if (r)
 		return r;
···
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	r = pm_runtime_get_sync(ddev->dev);
+	if (r < 0)
+		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);
 
 	if (r)
 		return r;
···
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
 	uint64_t count0, count1;
+	int ret;
 
 	if (amdgpu_sriov_vf(adev) && !amdgpu_sriov_is_pp_one_vf(adev))
 		return 0;
 
+	ret = pm_runtime_get_sync(ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	amdgpu_asic_get_pcie_usage(adev, &count0, &count1);
+
+	pm_runtime_mark_last_busy(ddev->dev);
+	pm_runtime_put_autosuspend(ddev->dev);
+
 	return snprintf(buf, PAGE_SIZE,	"%llu %llu %i\n",
 			count0, count1, pcie_get_mps(adev->pdev));
 }
···
 				      char *buf)
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
-	struct drm_device *ddev = adev->ddev;
 	int channel = to_sensor_dev_attr(attr)->index;
 	int r, temp = 0, size = sizeof(temp);
 
-	/* Can't get temperature when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
-
 	if (channel >= PP_TEMP_MAX)
 		return -EINVAL;
+
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		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);
-		if (r)
-			return r;
 		break;
 	case PP_TEMP_EDGE:
 		/* get current edge temperature */
 		r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_EDGE_TEMP,
 					   (void *)&temp, &size);
-		if (r)
-			return r;
 		break;
 	case PP_TEMP_MEM:
 		/* get current memory temperature */
 		r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MEM_TEMP,
 					   (void *)&temp, &size);
-		if (r)
-			return r;
+		break;
+	default:
+		r = -EINVAL;
 		break;
 	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
+	if (r)
+		return r;
 
 	return snprintf(buf, PAGE_SIZE, "%d\n", temp);
 }
···
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	u32 pwm_mode = 0;
+	int ret;
+
+	ret = pm_runtime_get_sync(adev->ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev)) {
 		pwm_mode = smu_get_fan_control_mode(&adev->smu);
 	} else {
-		if (!adev->powerplay.pp_funcs->get_fan_control_mode)
+		if (!adev->powerplay.pp_funcs->get_fan_control_mode) {
+			pm_runtime_mark_last_busy(adev->ddev->dev);
+			pm_runtime_put_autosuspend(adev->ddev->dev);
 			return -EINVAL;
+		}
 
 		pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
 	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
 
 	return sprintf(buf, "%i\n", pwm_mode);
 }
···
 					    size_t count)
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
-	int err;
+	int err, ret;
 	int value;
-
-	/* Can't adjust fan when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
 
 	err = kstrtoint(buf, 10, &value);
 	if (err)
 		return err;
 
+	ret = pm_runtime_get_sync(adev->ddev->dev);
+	if (ret < 0)
+		return ret;
+
 	if (is_support_sw_smu(adev)) {
 		smu_set_fan_control_mode(&adev->smu, value);
 	} else {
-		if (!adev->powerplay.pp_funcs->set_fan_control_mode)
+		if (!adev->powerplay.pp_funcs->set_fan_control_mode) {
+			pm_runtime_mark_last_busy(adev->ddev->dev);
+			pm_runtime_put_autosuspend(adev->ddev->dev);
 			return -EINVAL;
+		}
 
 		amdgpu_dpm_set_fan_control_mode(adev, value);
 	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
 
 	return count;
 }
···
 	u32 value;
 	u32 pwm_mode;
 
-	/* Can't adjust fan when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	err = pm_runtime_get_sync(adev->ddev->dev);
+	if (err < 0)
+		return err;
+
 	if (is_support_sw_smu(adev))
 		pwm_mode = smu_get_fan_control_mode(&adev->smu);
 	else
 		pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+
 	if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
 		pr_info("manual fan speed control should be enabled first\n");
+		pm_runtime_mark_last_busy(adev->ddev->dev);
+		pm_runtime_put_autosuspend(adev->ddev->dev);
 		return -EINVAL;
 	}
 
 	err = kstrtou32(buf, 10, &value);
-	if (err)
+	if (err) {
+		pm_runtime_mark_last_busy(adev->ddev->dev);
+		pm_runtime_put_autosuspend(adev->ddev->dev);
 		return err;
+	}
 
 	value = (value * 100) / 255;
 
-	if (is_support_sw_smu(adev)) {
+	if (is_support_sw_smu(adev))
 		err = smu_set_fan_speed_percent(&adev->smu, value);
-		if (err)
-			return err;
-	} else if (adev->powerplay.pp_funcs->set_fan_speed_percent) {
+	else if (adev->powerplay.pp_funcs->set_fan_speed_percent)
 		err = amdgpu_dpm_set_fan_speed_percent(adev, value);
-		if (err)
-			return err;
-	}
+	else
+		err = -EINVAL;
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
+	if (err)
+		return err;
 
 	return count;
 }
···
 	int err;
 	u32 speed = 0;
 
-	/* Can't adjust fan when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	err = pm_runtime_get_sync(adev->ddev->dev);
+	if (err < 0)
+		return err;
 
-	if (is_support_sw_smu(adev)) {
+	if (is_support_sw_smu(adev))
 		err = smu_get_fan_speed_percent(&adev->smu, &speed);
-		if (err)
-			return err;
-	} else if (adev->powerplay.pp_funcs->get_fan_speed_percent) {
+	else if (adev->powerplay.pp_funcs->get_fan_speed_percent)
 		err = amdgpu_dpm_get_fan_speed_percent(adev, &speed);
-		if (err)
-			return err;
-	}
+	else
+		err = -EINVAL;
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
+	if (err)
+		return err;
 
 	speed = (speed * 255) / 100;
 
···
 	int err;
 	u32 speed = 0;
 
-	/* Can't adjust fan when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	err = pm_runtime_get_sync(adev->ddev->dev);
+	if (err < 0)
+		return err;
 
-	if (is_support_sw_smu(adev)) {
+	if (is_support_sw_smu(adev))
 		err = smu_get_fan_speed_rpm(&adev->smu, &speed);
-		if (err)
-			return err;
-	} else if (adev->powerplay.pp_funcs->get_fan_speed_rpm) {
+	else if (adev->powerplay.pp_funcs->get_fan_speed_rpm)
 		err = amdgpu_dpm_get_fan_speed_rpm(adev, &speed);
-		if (err)
-			return err;
-	}
+	else
+		err = -EINVAL;
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
+	if (err)
+		return err;
 
 	return sprintf(buf, "%i\n", speed);
 }
···
 	u32 size = sizeof(min_rpm);
 	int r;
 
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
+
 	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MIN_FAN_RPM,
 				   (void *)&min_rpm, &size);
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (r)
 		return r;
 
···
 	u32 size = sizeof(max_rpm);
 	int r;
 
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
+
 	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_MAX_FAN_RPM,
 				   (void *)&max_rpm, &size);
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (r)
 		return r;
 
···
 	int err;
 	u32 rpm = 0;
 
-	/* Can't adjust fan when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	err = pm_runtime_get_sync(adev->ddev->dev);
+	if (err < 0)
+		return err;
 
-	if (is_support_sw_smu(adev)) {
+	if (is_support_sw_smu(adev))
 		err = smu_get_fan_speed_rpm(&adev->smu, &rpm);
-		if (err)
-			return err;
-	} else if (adev->powerplay.pp_funcs->get_fan_speed_rpm) {
+	else if (adev->powerplay.pp_funcs->get_fan_speed_rpm)
 		err = amdgpu_dpm_get_fan_speed_rpm(adev, &rpm);
-		if (err)
-			return err;
-	}
+	else
+		err = -EINVAL;
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
+	if (err)
+		return err;
 
 	return sprintf(buf, "%i\n", rpm);
 }
···
 	u32 value;
 	u32 pwm_mode;
 
+	err = pm_runtime_get_sync(adev->ddev->dev);
+	if (err < 0)
+		return err;
+
 	if (is_support_sw_smu(adev))
 		pwm_mode = smu_get_fan_control_mode(&adev->smu);
 	else
 		pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
 
-	if (pwm_mode != AMD_FAN_CTRL_MANUAL)
+	if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
+		pm_runtime_mark_last_busy(adev->ddev->dev);
+		pm_runtime_put_autosuspend(adev->ddev->dev);
 		return -ENODATA;
-
-	/* Can't adjust fan when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	}
 
 	err = kstrtou32(buf, 10, &value);
+	if (err) {
+		pm_runtime_mark_last_busy(adev->ddev->dev);
+		pm_runtime_put_autosuspend(adev->ddev->dev);
+		return err;
+	}
+
+	if (is_support_sw_smu(adev))
+		err = smu_set_fan_speed_rpm(&adev->smu, value);
+	else if (adev->powerplay.pp_funcs->set_fan_speed_rpm)
+		err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
+	else
+		err = -EINVAL;
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (err)
 		return err;
-
-	if (is_support_sw_smu(adev)) {
-		err = smu_set_fan_speed_rpm(&adev->smu, value);
-		if (err)
-			return err;
-	} else if (adev->powerplay.pp_funcs->set_fan_speed_rpm) {
-		err = amdgpu_dpm_set_fan_speed_rpm(adev, value);
-		if (err)
-			return err;
-	}
 
 	return count;
 }
···
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	u32 pwm_mode = 0;
+	int ret;
+
+	ret = pm_runtime_get_sync(adev->ddev->dev);
+	if (ret < 0)
+		return ret;
 
 	if (is_support_sw_smu(adev)) {
 		pwm_mode = smu_get_fan_control_mode(&adev->smu);
 	} else {
-		if (!adev->powerplay.pp_funcs->get_fan_control_mode)
+		if (!adev->powerplay.pp_funcs->get_fan_control_mode) {
+			pm_runtime_mark_last_busy(adev->ddev->dev);
+			pm_runtime_put_autosuspend(adev->ddev->dev);
 			return -EINVAL;
+		}
 
 		pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
 	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	return sprintf(buf, "%i\n", pwm_mode == AMD_FAN_CTRL_AUTO ? 0 : 1);
 }
 
···
 	int value;
 	u32 pwm_mode;
 
-	/* Can't adjust fan when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
-
-
 	err = kstrtoint(buf, 10, &value);
 	if (err)
 		return err;
···
 	else
 		return -EINVAL;
 
+	err = pm_runtime_get_sync(adev->ddev->dev);
+	if (err < 0)
+		return err;
+
 	if (is_support_sw_smu(adev)) {
 		smu_set_fan_control_mode(&adev->smu, pwm_mode);
 	} else {
-		if (!adev->powerplay.pp_funcs->set_fan_control_mode)
+		if (!adev->powerplay.pp_funcs->set_fan_control_mode) {
+			pm_runtime_mark_last_busy(adev->ddev->dev);
+			pm_runtime_put_autosuspend(adev->ddev->dev);
 			return -EINVAL;
+		}
 		amdgpu_dpm_set_fan_control_mode(adev, pwm_mode);
 	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
 
 	return count;
 }
···
 					char *buf)
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
-	struct drm_device *ddev = adev->ddev;
 	u32 vddgfx;
 	int r, size = sizeof(vddgfx);
 
-	/* Can't get voltage when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
 
 	/* get the voltage */
 	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDGFX,
 				   (void *)&vddgfx, &size);
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (r)
 		return r;
 
···
 				       char *buf)
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
-	struct drm_device *ddev = adev->ddev;
 	u32 vddnb;
 	int r, size = sizeof(vddnb);
 
···
 	if  (!(adev->flags & AMD_IS_APU))
 		return -EINVAL;
 
-	/* Can't get voltage when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
 
 	/* get the voltage */
 	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_VDDNB,
 				   (void *)&vddnb, &size);
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (r)
 		return r;
 
···
 					   char *buf)
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
-	struct drm_device *ddev = adev->ddev;
 	u32 query = 0;
 	int r, size = sizeof(u32);
 	unsigned uw;
 
-	/* Can't get power when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		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->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (r)
 		return r;
 
···
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	uint32_t limit = 0;
+	ssize_t size;
+	int r;
+
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
 
 	if (is_support_sw_smu(adev)) {
 		smu_get_power_limit(&adev->smu, &limit, true, true);
-		return snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
+		size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
 	} else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_power_limit) {
 		adev->powerplay.pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, true);
-		return snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
+		size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
 	} else {
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
 	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
+	return size;
 }
 
 static ssize_t amdgpu_hwmon_show_power_cap(struct device *dev,
···
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
 	uint32_t limit = 0;
+	ssize_t size;
+	int r;
+
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
 
 	if (is_support_sw_smu(adev)) {
 		smu_get_power_limit(&adev->smu, &limit, false,  true);
-		return snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
+		size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
 	} else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->get_power_limit) {
 		adev->powerplay.pp_funcs->get_power_limit(adev->powerplay.pp_handle, &limit, false);
-		return snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
+		size = snprintf(buf, PAGE_SIZE, "%u\n", limit * 1000000);
 	} else {
-		return snprintf(buf, PAGE_SIZE, "\n");
+		size = snprintf(buf, PAGE_SIZE, "\n");
 	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
+	return size;
 }
 
 
···
 
 	value = value / 1000000; /* convert to Watt */
 
-	if (is_support_sw_smu(adev)) {
+
+	err = pm_runtime_get_sync(adev->ddev->dev);
+	if (err < 0)
+		return err;
+
+	if (is_support_sw_smu(adev))
 		err = smu_set_power_limit(&adev->smu, value);
-	} else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->set_power_limit) {
+	else if (adev->powerplay.pp_funcs && adev->powerplay.pp_funcs->set_power_limit)
 		err = adev->powerplay.pp_funcs->set_power_limit(adev->powerplay.pp_handle, value);
-	} else {
+	else
 		err = -EINVAL;
-	}
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
 
 	if (err)
 		return err;
···
 				      char *buf)
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
-	struct drm_device *ddev = adev->ddev;
 	uint32_t sclk;
 	int r, size = sizeof(sclk);
 
-	/* Can't get voltage when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
 
 	/* get the sclk */
 	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_SCLK,
 				   (void *)&sclk, &size);
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (r)
 		return r;
 
···
 				      char *buf)
 {
 	struct amdgpu_device *adev = dev_get_drvdata(dev);
-	struct drm_device *ddev = adev->ddev;
 	uint32_t mclk;
 	int r, size = sizeof(mclk);
 
-	/* Can't get voltage when the card is off */
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON))
-		return -EINVAL;
+	r = pm_runtime_get_sync(adev->ddev->dev);
+	if (r < 0)
+		return r;
 
 	/* get the sclk */
 	r = amdgpu_dpm_read_sensor(adev, AMDGPU_PP_SENSOR_GFX_MCLK,
 				   (void *)&mclk, &size);
+
+	pm_runtime_mark_last_busy(adev->ddev->dev);
+	pm_runtime_put_autosuspend(adev->ddev->dev);
+
 	if (r)
 		return r;
 
···
 	struct drm_info_node *node = (struct drm_info_node *) m->private;
 	struct drm_device *dev = node->minor->dev;
 	struct amdgpu_device *adev = dev->dev_private;
-	struct drm_device *ddev = adev->ddev;
 	u32 flags = 0;
+	int r;
+
+	r = pm_runtime_get_sync(dev->dev);
+	if (r < 0)
+		return r;
 
 	amdgpu_device_ip_get_clockgating_state(adev, &flags);
 	seq_printf(m, "Clock Gating Flags Mask: 0x%x\n", flags);
···
 
 	if (!adev->pm.dpm_enabled) {
 		seq_printf(m, "dpm not enabled\n");
+		pm_runtime_mark_last_busy(dev->dev);
+		pm_runtime_put_autosuspend(dev->dev);
 		return 0;
 	}
-	if  ((adev->flags & AMD_IS_PX) &&
-	     (ddev->switch_power_state != DRM_SWITCH_POWER_ON)) {
-		seq_printf(m, "PX asic powered off\n");
-	} else if (!is_support_sw_smu(adev) && adev->powerplay.pp_funcs->debugfs_print_current_performance_level) {
+
+	if (!is_support_sw_smu(adev) &&
+	    adev->powerplay.pp_funcs->debugfs_print_current_performance_level) {
 		mutex_lock(&adev->pm.mutex);
 		if (adev->powerplay.pp_funcs->debugfs_print_current_performance_level)
 			adev->powerplay.pp_funcs->debugfs_print_current_performance_level(adev, m);
 		else
 			seq_printf(m, "Debugfs support not implemented for this asic\n");
 		mutex_unlock(&adev->pm.mutex);
+		r = 0;
 	} else {
-		return amdgpu_debugfs_pm_info_pp(m, adev);
+		r = amdgpu_debugfs_pm_info_pp(m, adev);
 	}
 
-	return 0;
+	pm_runtime_mark_last_busy(dev->dev);
+	pm_runtime_put_autosuspend(dev->dev);
+
+	return r;
 }
 
 static const struct drm_info_list amdgpu_pm_info_list[] = {