[PATCH 3/3] Revert "drm/amdgpu: optimize amdgpu device attribute code"

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This reverts commit 3fc62b9b9cfed72fd7acf2f594c9a4930dbc0467.

This breaks multi-GPU.  Since the attribute array is global
whatever gets set for the first device more or less ends up
what gets set all the other GPUs in the system.

Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c | 494 ++++++++++++++-----------
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h |  46 ---
 2 files changed, 278 insertions(+), 262 deletions(-)

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 63e3e6534913..3c8c56d0dbd8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -154,9 +154,9 @@ int amdgpu_dpm_read_sensor(struct amdgpu_device *adev, enum amd_pp_sensors senso
  *
  */
 
-static ssize_t amdgpu_get_power_dpm_state(struct device *dev,
-					  struct device_attribute *attr,
-					  char *buf)
+static ssize_t amdgpu_get_dpm_state(struct device *dev,
+				    struct device_attribute *attr,
+				    char *buf)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -189,10 +189,10 @@ static ssize_t amdgpu_get_power_dpm_state(struct device *dev,
 			(pm == POWER_STATE_TYPE_BALANCED) ? "balanced" : "performance");
 }
 
-static ssize_t amdgpu_set_power_dpm_state(struct device *dev,
-					  struct device_attribute *attr,
-					  const char *buf,
-					  size_t count)
+static ssize_t amdgpu_set_dpm_state(struct device *dev,
+				    struct device_attribute *attr,
+				    const char *buf,
+				    size_t count)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -294,9 +294,9 @@ static ssize_t amdgpu_set_power_dpm_state(struct device *dev,
  *
  */
 
-static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev,
-							    struct device_attribute *attr,
-							    char *buf)
+static ssize_t amdgpu_get_dpm_forced_performance_level(struct device *dev,
+						struct device_attribute *attr,
+								char *buf)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -332,10 +332,10 @@ static ssize_t amdgpu_get_power_dpm_force_performance_level(struct device *dev,
 			"unknown");
 }
 
-static ssize_t amdgpu_set_power_dpm_force_performance_level(struct device *dev,
-							    struct device_attribute *attr,
-							    const char *buf,
-							    size_t count)
+static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
+						       struct device_attribute *attr,
+						       const char *buf,
+						       size_t count)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -873,10 +873,10 @@ static ssize_t amdgpu_get_pp_od_clk_voltage(struct device *dev,
  * the corresponding bit from original ppfeature masks and input the
  * new ppfeature masks.
  */
-static ssize_t amdgpu_set_pp_features(struct device *dev,
-				      struct device_attribute *attr,
-				      const char *buf,
-				      size_t count)
+static ssize_t amdgpu_set_pp_feature_status(struct device *dev,
+		struct device_attribute *attr,
+		const char *buf,
+		size_t count)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -917,9 +917,9 @@ static ssize_t amdgpu_set_pp_features(struct device *dev,
 	return count;
 }
 
-static ssize_t amdgpu_get_pp_features(struct device *dev,
-				      struct device_attribute *attr,
-				      char *buf)
+static ssize_t amdgpu_get_pp_feature_status(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -1663,9 +1663,9 @@ static ssize_t amdgpu_set_pp_power_profile_mode(struct device *dev,
  * The SMU firmware computes a percentage of load based on the
  * aggregate activity level in the IP cores.
  */
-static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
-					   struct device_attribute *attr,
-					   char *buf)
+static ssize_t amdgpu_get_busy_percent(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -1699,9 +1699,9 @@ static ssize_t amdgpu_get_gpu_busy_percent(struct device *dev,
  * The SMU firmware computes a percentage of load based on the
  * aggregate activity level in the IP cores.
  */
-static ssize_t amdgpu_get_mem_busy_percent(struct device *dev,
-					   struct device_attribute *attr,
-					   char *buf)
+static ssize_t amdgpu_get_memory_busy_percent(struct device *dev,
+		struct device_attribute *attr,
+		char *buf)
 {
 	struct drm_device *ddev = dev_get_drvdata(dev);
 	struct amdgpu_device *adev = ddev->dev_private;
@@ -1796,174 +1796,57 @@ static ssize_t amdgpu_get_unique_id(struct device *dev,
 	return 0;
 }
 
-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_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),
-	AMDGPU_DEVICE_ATTR_RW(pp_dpm_fclk,				ATTR_FLAG_BASIC|ATTR_FLAG_ONEVF),
-	AMDGPU_DEVICE_ATTR_RW(pp_dpm_dcefclk,				ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RW(pp_dpm_pcie,				ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RW(pp_sclk_od,				ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RW(pp_mclk_od,				ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RW(pp_power_profile_mode,			ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RW(pp_od_clk_voltage,			ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RO(gpu_busy_percent,				ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RO(mem_busy_percent,				ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RO(pcie_bw,					ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RW(pp_features,				ATTR_FLAG_BASIC),
-	AMDGPU_DEVICE_ATTR_RO(unique_id,				ATTR_FLAG_BASIC),
-};
-
-static int default_attr_update(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
-			       uint32_t mask)
-{
-	struct device_attribute *dev_attr = &attr->dev_attr;
-	const char *attr_name = dev_attr->attr.name;
-	struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
-	enum amd_asic_type asic_type = adev->asic_type;
-
-	if (!(attr->flags & mask)) {
-		attr->states = ATTR_STATE_UNSUPPORTED;
-		return 0;
-	}
-
-#define DEVICE_ATTR_IS(_name)	(!strcmp(attr_name, #_name))
-
-	if (DEVICE_ATTR_IS(pp_dpm_socclk)) {
-		if (asic_type <= CHIP_VEGA10)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(pp_dpm_dcefclk)) {
-		if (asic_type <= CHIP_VEGA10 || asic_type == CHIP_ARCTURUS)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(pp_dpm_fclk)) {
-		if (asic_type < CHIP_VEGA20)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(pp_dpm_pcie)) {
-		if (asic_type == CHIP_ARCTURUS)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(pp_od_clk_voltage)) {
-		attr->states = ATTR_STATE_UNSUPPORTED;
-		if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
-		    (!is_support_sw_smu(adev) && hwmgr->od_enabled))
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(mem_busy_percent)) {
-		if (adev->flags & AMD_IS_APU || asic_type == CHIP_VEGA10)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(pcie_bw)) {
-		/* PCIe Perf counters won't work on APU nodes */
-		if (adev->flags & AMD_IS_APU)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(unique_id)) {
-		if (!adev->unique_id)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	} else if (DEVICE_ATTR_IS(pp_features)) {
-		if (adev->flags & AMD_IS_APU || asic_type <= CHIP_VEGA10)
-			attr->states = ATTR_STATE_UNSUPPORTED;
-	}
-
-	if (asic_type == CHIP_ARCTURUS) {
-		/* Arcturus 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;
-		}
-	}
-
-#undef DEVICE_ATTR_IS
-
-	return 0;
-}
-
-
-static int amdgpu_device_attr_create(struct amdgpu_device *adev,
-				     struct amdgpu_device_attr *attr,
-				     uint32_t mask)
-{
-	int ret = 0;
-	struct device_attribute *dev_attr = &attr->dev_attr;
-	const char *name = dev_attr->attr.name;
-	int (*attr_update)(struct amdgpu_device *adev, struct amdgpu_device_attr *attr,
-			   uint32_t mask) = default_attr_update;
-
-	BUG_ON(!attr);
-
-	attr_update = attr->attr_update ? attr_update : default_attr_update;
-
-	ret = attr_update(adev, attr, mask);
-	if (ret) {
-		dev_err(adev->dev, "failed to update device file %s, ret = %d\n",
-			name, ret);
-		return ret;
-	}
-
-	/* the attr->states maybe changed after call attr->attr_update function */
-	if (attr->states == ATTR_STATE_UNSUPPORTED)
-		return 0;
-
-	ret = device_create_file(adev->dev, dev_attr);
-	if (ret) {
-		dev_err(adev->dev, "failed to create device file %s, ret = %d\n",
-			name, ret);
-	}
-
-	attr->states = ATTR_STATE_SUPPORTED;
-
-	return ret;
-}
-
-static void amdgpu_device_attr_remove(struct amdgpu_device *adev, struct amdgpu_device_attr *attr)
-{
-	struct device_attribute *dev_attr = &attr->dev_attr;
-
-	if (attr->states == ATTR_STATE_UNSUPPORTED)
-		return;
-
-	device_remove_file(adev->dev, dev_attr);
-
-	attr->states = ATTR_STATE_UNSUPPORTED;
-}
-
-static int amdgpu_device_attr_create_groups(struct amdgpu_device *adev,
-					    struct amdgpu_device_attr *attrs,
-					    uint32_t counts,
-					    uint32_t mask)
-{
-	int ret = 0;
-	uint32_t i = 0;
-
-	for (i = 0; i < counts; i++) {
-		ret = amdgpu_device_attr_create(adev, &attrs[i], mask);
-		if (ret)
-			goto failed;
-	}
-
-	return 0;
-
-failed:
-	for (; i > 0; i--) {
-		amdgpu_device_attr_remove(adev, &attrs[i]);
-	}
-
-	return ret;
-}
-
-static void amdgpu_device_attr_remove_groups(struct amdgpu_device *adev,
-					     struct amdgpu_device_attr *attrs,
-					     uint32_t counts)
-{
-	uint32_t i = 0;
-
-	for (i = 0; i < counts; i++)
-		amdgpu_device_attr_remove(adev, &attrs[i]);
-}
+static DEVICE_ATTR(power_dpm_state, S_IRUGO | S_IWUSR, amdgpu_get_dpm_state, amdgpu_set_dpm_state);
+static DEVICE_ATTR(power_dpm_force_performance_level, S_IRUGO | S_IWUSR,
+		   amdgpu_get_dpm_forced_performance_level,
+		   amdgpu_set_dpm_forced_performance_level);
+static DEVICE_ATTR(pp_num_states, S_IRUGO, amdgpu_get_pp_num_states, NULL);
+static DEVICE_ATTR(pp_cur_state, S_IRUGO, amdgpu_get_pp_cur_state, NULL);
+static DEVICE_ATTR(pp_force_state, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_force_state,
+		amdgpu_set_pp_force_state);
+static DEVICE_ATTR(pp_table, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_table,
+		amdgpu_set_pp_table);
+static DEVICE_ATTR(pp_dpm_sclk, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_dpm_sclk,
+		amdgpu_set_pp_dpm_sclk);
+static DEVICE_ATTR(pp_dpm_mclk, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_dpm_mclk,
+		amdgpu_set_pp_dpm_mclk);
+static DEVICE_ATTR(pp_dpm_socclk, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_dpm_socclk,
+		amdgpu_set_pp_dpm_socclk);
+static DEVICE_ATTR(pp_dpm_fclk, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_dpm_fclk,
+		amdgpu_set_pp_dpm_fclk);
+static DEVICE_ATTR(pp_dpm_dcefclk, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_dpm_dcefclk,
+		amdgpu_set_pp_dpm_dcefclk);
+static DEVICE_ATTR(pp_dpm_pcie, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_dpm_pcie,
+		amdgpu_set_pp_dpm_pcie);
+static DEVICE_ATTR(pp_sclk_od, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_sclk_od,
+		amdgpu_set_pp_sclk_od);
+static DEVICE_ATTR(pp_mclk_od, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_mclk_od,
+		amdgpu_set_pp_mclk_od);
+static DEVICE_ATTR(pp_power_profile_mode, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_power_profile_mode,
+		amdgpu_set_pp_power_profile_mode);
+static DEVICE_ATTR(pp_od_clk_voltage, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_od_clk_voltage,
+		amdgpu_set_pp_od_clk_voltage);
+static DEVICE_ATTR(gpu_busy_percent, S_IRUGO,
+		amdgpu_get_busy_percent, NULL);
+static DEVICE_ATTR(mem_busy_percent, S_IRUGO,
+		amdgpu_get_memory_busy_percent, NULL);
+static DEVICE_ATTR(pcie_bw, S_IRUGO, amdgpu_get_pcie_bw, NULL);
+static DEVICE_ATTR(pp_features, S_IRUGO | S_IWUSR,
+		amdgpu_get_pp_feature_status,
+		amdgpu_set_pp_feature_status);
+static DEVICE_ATTR(unique_id, S_IRUGO, amdgpu_get_unique_id, NULL);
 
 static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
 				      struct device_attribute *attr,
@@ -3364,8 +3247,8 @@ int amdgpu_pm_load_smu_firmware(struct amdgpu_device *adev, uint32_t *smu_versio
 
 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 {
+	struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
 	int ret;
-	uint32_t mask = 0;
 
 	if (adev->pm.sysfs_initialized)
 		return 0;
@@ -3383,25 +3266,168 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 		return ret;
 	}
 
-	switch (amdgpu_virt_get_sriov_vf_mode(adev)) {
-	case SRIOV_VF_MODE_ONE_VF:
-		mask = ATTR_FLAG_ONEVF;
-		break;
-	case SRIOV_VF_MODE_MULTI_VF:
-		mask = 0;
-		break;
-	case SRIOV_VF_MODE_BARE_METAL:
-	default:
-		mask = ATTR_FLAG_MASK_ALL;
-		break;
+	ret = device_create_file(adev->dev, &dev_attr_power_dpm_state);
+	if (ret) {
+		DRM_ERROR("failed to create device file for dpm state\n");
+		return ret;
+	}
+	ret = device_create_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
+	if (ret) {
+		DRM_ERROR("failed to create device file for dpm state\n");
+		return ret;
 	}
 
-	ret = amdgpu_device_attr_create_groups(adev,
-					       amdgpu_device_attrs,
-					       ARRAY_SIZE(amdgpu_device_attrs),
-					       mask);
-	if (ret)
+	if (!amdgpu_sriov_vf(adev)) {
+		ret = device_create_file(adev->dev, &dev_attr_pp_num_states);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_num_states\n");
+			return ret;
+		}
+		ret = device_create_file(adev->dev, &dev_attr_pp_cur_state);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_cur_state\n");
+			return ret;
+		}
+		ret = device_create_file(adev->dev, &dev_attr_pp_force_state);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_force_state\n");
+			return ret;
+		}
+		ret = device_create_file(adev->dev, &dev_attr_pp_table);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_table\n");
+			return ret;
+		}
+	}
+
+	ret = device_create_file(adev->dev, &dev_attr_pp_dpm_sclk);
+	if (ret) {
+		DRM_ERROR("failed to create device file pp_dpm_sclk\n");
 		return ret;
+	}
+
+	/* Arcturus does not support standalone mclk/socclk/fclk level setting */
+	if (adev->asic_type == CHIP_ARCTURUS) {
+		dev_attr_pp_dpm_mclk.attr.mode &= ~S_IWUGO;
+		dev_attr_pp_dpm_mclk.store = NULL;
+
+		dev_attr_pp_dpm_socclk.attr.mode &= ~S_IWUGO;
+		dev_attr_pp_dpm_socclk.store = NULL;
+
+		dev_attr_pp_dpm_fclk.attr.mode &= ~S_IWUGO;
+		dev_attr_pp_dpm_fclk.store = NULL;
+	}
+
+	ret = device_create_file(adev->dev, &dev_attr_pp_dpm_mclk);
+	if (ret) {
+		DRM_ERROR("failed to create device file pp_dpm_mclk\n");
+		return ret;
+	}
+	if (adev->asic_type >= CHIP_VEGA10) {
+		ret = device_create_file(adev->dev, &dev_attr_pp_dpm_socclk);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_dpm_socclk\n");
+			return ret;
+		}
+		if (adev->asic_type != CHIP_ARCTURUS) {
+			ret = device_create_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
+			if (ret) {
+				DRM_ERROR("failed to create device file pp_dpm_dcefclk\n");
+				return ret;
+			}
+		}
+	}
+	if (adev->asic_type >= CHIP_VEGA20) {
+		ret = device_create_file(adev->dev, &dev_attr_pp_dpm_fclk);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_dpm_fclk\n");
+			return ret;
+		}
+	}
+
+	/* the reset are not needed for SRIOV one vf mode */
+	if (amdgpu_sriov_vf(adev)) {
+		adev->pm.sysfs_initialized = true;
+		return ret;
+	}
+
+	if (adev->asic_type != CHIP_ARCTURUS) {
+		ret = device_create_file(adev->dev, &dev_attr_pp_dpm_pcie);
+		if (ret) {
+			DRM_ERROR("failed to create device file pp_dpm_pcie\n");
+			return ret;
+		}
+	}
+	ret = device_create_file(adev->dev, &dev_attr_pp_sclk_od);
+	if (ret) {
+		DRM_ERROR("failed to create device file pp_sclk_od\n");
+		return ret;
+	}
+	ret = device_create_file(adev->dev, &dev_attr_pp_mclk_od);
+	if (ret) {
+		DRM_ERROR("failed to create device file pp_mclk_od\n");
+		return ret;
+	}
+	ret = device_create_file(adev->dev,
+			&dev_attr_pp_power_profile_mode);
+	if (ret) {
+		DRM_ERROR("failed to create device file	"
+				"pp_power_profile_mode\n");
+		return ret;
+	}
+	if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
+	    (!is_support_sw_smu(adev) && hwmgr->od_enabled)) {
+		ret = device_create_file(adev->dev,
+				&dev_attr_pp_od_clk_voltage);
+		if (ret) {
+			DRM_ERROR("failed to create device file	"
+					"pp_od_clk_voltage\n");
+			return ret;
+		}
+	}
+	ret = device_create_file(adev->dev,
+			&dev_attr_gpu_busy_percent);
+	if (ret) {
+		DRM_ERROR("failed to create device file	"
+				"gpu_busy_level\n");
+		return ret;
+	}
+	/* APU does not have its own dedicated memory */
+	if (!(adev->flags & AMD_IS_APU) &&
+	     (adev->asic_type != CHIP_VEGA10)) {
+		ret = device_create_file(adev->dev,
+				&dev_attr_mem_busy_percent);
+		if (ret) {
+			DRM_ERROR("failed to create device file	"
+					"mem_busy_percent\n");
+			return ret;
+		}
+	}
+	/* PCIe Perf counters won't work on APU nodes */
+	if (!(adev->flags & AMD_IS_APU)) {
+		ret = device_create_file(adev->dev, &dev_attr_pcie_bw);
+		if (ret) {
+			DRM_ERROR("failed to create device file pcie_bw\n");
+			return ret;
+		}
+	}
+	if (adev->unique_id)
+		ret = device_create_file(adev->dev, &dev_attr_unique_id);
+	if (ret) {
+		DRM_ERROR("failed to create device file unique_id\n");
+		return ret;
+	}
+
+	if ((adev->asic_type >= CHIP_VEGA10) &&
+	    !(adev->flags & AMD_IS_APU)) {
+		ret = device_create_file(adev->dev,
+				&dev_attr_pp_features);
+		if (ret) {
+			DRM_ERROR("failed to create device file	"
+					"pp_features\n");
+			return ret;
+		}
+	}
 
 	adev->pm.sysfs_initialized = true;
 
@@ -3410,15 +3436,51 @@ int amdgpu_pm_sysfs_init(struct amdgpu_device *adev)
 
 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 {
+	struct pp_hwmgr *hwmgr = adev->powerplay.pp_handle;
+
 	if (adev->pm.dpm_enabled == 0)
 		return;
 
 	if (adev->pm.int_hwmon_dev)
 		hwmon_device_unregister(adev->pm.int_hwmon_dev);
-
-	amdgpu_device_attr_remove_groups(adev,
-					 amdgpu_device_attrs,
-					 ARRAY_SIZE(amdgpu_device_attrs));
+	device_remove_file(adev->dev, &dev_attr_power_dpm_state);
+	device_remove_file(adev->dev, &dev_attr_power_dpm_force_performance_level);
+
+	device_remove_file(adev->dev, &dev_attr_pp_num_states);
+	device_remove_file(adev->dev, &dev_attr_pp_cur_state);
+	device_remove_file(adev->dev, &dev_attr_pp_force_state);
+	device_remove_file(adev->dev, &dev_attr_pp_table);
+
+	device_remove_file(adev->dev, &dev_attr_pp_dpm_sclk);
+	device_remove_file(adev->dev, &dev_attr_pp_dpm_mclk);
+	if (adev->asic_type >= CHIP_VEGA10) {
+		device_remove_file(adev->dev, &dev_attr_pp_dpm_socclk);
+		if (adev->asic_type != CHIP_ARCTURUS)
+			device_remove_file(adev->dev, &dev_attr_pp_dpm_dcefclk);
+	}
+	if (adev->asic_type != CHIP_ARCTURUS)
+		device_remove_file(adev->dev, &dev_attr_pp_dpm_pcie);
+	if (adev->asic_type >= CHIP_VEGA20)
+		device_remove_file(adev->dev, &dev_attr_pp_dpm_fclk);
+	device_remove_file(adev->dev, &dev_attr_pp_sclk_od);
+	device_remove_file(adev->dev, &dev_attr_pp_mclk_od);
+	device_remove_file(adev->dev,
+			&dev_attr_pp_power_profile_mode);
+	if ((is_support_sw_smu(adev) && adev->smu.od_enabled) ||
+	    (!is_support_sw_smu(adev) && hwmgr->od_enabled))
+		device_remove_file(adev->dev,
+				&dev_attr_pp_od_clk_voltage);
+	device_remove_file(adev->dev, &dev_attr_gpu_busy_percent);
+	if (!(adev->flags & AMD_IS_APU) &&
+	     (adev->asic_type != CHIP_VEGA10))
+		device_remove_file(adev->dev, &dev_attr_mem_busy_percent);
+	if (!(adev->flags & AMD_IS_APU))
+		device_remove_file(adev->dev, &dev_attr_pcie_bw);
+	if (adev->unique_id)
+		device_remove_file(adev->dev, &dev_attr_unique_id);
+	if ((adev->asic_type >= CHIP_VEGA10) &&
+	    !(adev->flags & AMD_IS_APU))
+		device_remove_file(adev->dev, &dev_attr_pp_features);
 }
 
 void amdgpu_pm_compute_clocks(struct amdgpu_device *adev)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
index 48e8086baf33..5db0ef86e84c 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.h
@@ -30,52 +30,6 @@ struct cg_flag_name
 	const char *name;
 };
 
-enum amdgpu_device_attr_flags {
-	ATTR_FLAG_BASIC = (1 << 0),
-	ATTR_FLAG_ONEVF = (1 << 16),
-};
-
-#define ATTR_FLAG_TYPE_MASK	(0x0000ffff)
-#define ATTR_FLAG_MODE_MASK	(0xffff0000)
-#define ATTR_FLAG_MASK_ALL	(0xffffffff)
-
-enum amdgpu_device_attr_states {
-	ATTR_STATE_UNSUPPORTED = 0,
-	ATTR_STATE_SUPPORTED,
-};
-
-struct amdgpu_device_attr {
-	struct device_attribute dev_attr;
-	enum amdgpu_device_attr_flags flags;
-	enum amdgpu_device_attr_states states;
-	int (*attr_update)(struct amdgpu_device *adev,
-			   struct amdgpu_device_attr* attr,
-			   uint32_t mask);
-};
-
-#define to_amdgpu_device_attr(_dev_attr) \
-	container_of(_dev_attr, struct amdgpu_device_attr, dev_attr)
-
-#define __AMDGPU_DEVICE_ATTR(_name, _mode, _show, _store, _flags, ...)	\
-	{ .dev_attr = __ATTR(_name, _mode, _show, _store),		\
-	  .flags = _flags,						\
-	  .states = ATTR_STATE_SUPPORTED,					\
-	  ##__VA_ARGS__, }
-
-#define AMDGPU_DEVICE_ATTR(_name, _mode, _flags, ...)			\
-	__AMDGPU_DEVICE_ATTR(_name, _mode,				\
-			     amdgpu_get_##_name, amdgpu_set_##_name,	\
-			     _flags, ##__VA_ARGS__)
-
-#define AMDGPU_DEVICE_ATTR_RW(_name, _flags, ...)			\
-	AMDGPU_DEVICE_ATTR(_name, S_IRUGO | S_IWUSR,			\
-			   _flags, ##__VA_ARGS__)
-
-#define AMDGPU_DEVICE_ATTR_RO(_name, _flags, ...)			\
-	__AMDGPU_DEVICE_ATTR(_name, S_IRUGO,				\
-			     amdgpu_get_##_name, NULL,			\
-			     _flags, ##__VA_ARGS__)
-
 void amdgpu_pm_acpi_event_handler(struct amdgpu_device *adev);
 int amdgpu_pm_sysfs_init(struct amdgpu_device *adev);
 int amdgpu_pm_virt_sysfs_init(struct amdgpu_device *adev);
-- 
2.25.4

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