From: Rex Zhu <Rex.Zhu@amd.com>
Date: Fri, 22 Sep 2017 17:47:27 +0800
Subject: drm/amdgpu: move common pm sysfs code to amdgpu_device.c
Git-commit: d2f52ac800fec229f2931603e8b7fb9c5ade7aa7
Patch-mainline: v4.15-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166

Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
 drivers/gpu/drm/amd/amdgpu/amdgpu_device.c    |    6 ++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c        |    6 ++++++
 drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c |    7 +------
 drivers/gpu/drm/amd/amdgpu/ci_dpm.c           |    1 -
 drivers/gpu/drm/amd/amdgpu/kv_dpm.c           |    7 -------
 drivers/gpu/drm/amd/amdgpu/si_dpm.c           |    6 ------
 6 files changed, 13 insertions(+), 20 deletions(-)

--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -56,6 +56,7 @@
 #include "amdgpu_vf_error.h"
 
 #include "amdgpu_amdkfd.h"
+#include "amdgpu_pm.h"
 
 MODULE_FIRMWARE("amdgpu/vega10_gpu_info.bin");
 MODULE_FIRMWARE("amdgpu/raven_gpu_info.bin");
@@ -2216,6 +2217,10 @@ int amdgpu_device_init(struct amdgpu_dev
 
 	amdgpu_fbdev_init(adev);
 
+	r = amdgpu_pm_sysfs_init(adev);
+	if (r)
+		DRM_ERROR("registering pm debugfs failed (%d).\n", r);
+
 	r = amdgpu_gem_debugfs_init(adev);
 	if (r)
 		DRM_ERROR("registering gem debugfs failed (%d).\n", r);
@@ -2312,6 +2317,7 @@ void amdgpu_device_fini(struct amdgpu_de
 	iounmap(adev->rmmio);
 	adev->rmmio = NULL;
 	amdgpu_doorbell_fini(adev);
+	amdgpu_pm_sysfs_fini(adev);
 	amdgpu_debugfs_regs_cleanup(adev);
 }
 
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1317,6 +1317,9 @@ int amdgpu_pm_sysfs_init(struct amdgpu_d
 	if (adev->pm.sysfs_initialized)
 		return 0;
 
+	if (adev->pm.dpm_enabled == 0)
+		return 0;
+
 	if (adev->powerplay.pp_funcs->get_temperature == NULL)
 		return 0;
 
@@ -1417,6 +1420,9 @@ int amdgpu_pm_sysfs_init(struct amdgpu_d
 
 void amdgpu_pm_sysfs_fini(struct amdgpu_device *adev)
 {
+	if (adev->pm.dpm_enabled == 0)
+		return;
+
 	if (adev->pm.int_hwmon_dev)
 		hwmon_device_unregister(adev->pm.int_hwmon_dev);
 	device_remove_file(adev->dev, &dev_attr_power_dpm_state);
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
@@ -137,10 +137,8 @@ static int amdgpu_pp_late_init(void *han
 		ret = adev->powerplay.ip_funcs->late_init(
 					adev->powerplay.pp_handle);
 
-	if (adev->pp_enabled && adev->pm.dpm_enabled) {
-		amdgpu_pm_sysfs_init(adev);
+	if (adev->pp_enabled && adev->pm.dpm_enabled)
 		amdgpu_dpm_dispatch_task(adev, AMD_PP_TASK_COMPLETE_INIT, NULL, NULL);
-	}
 
 	return ret;
 }
@@ -199,9 +197,6 @@ static int amdgpu_pp_hw_fini(void *handl
 	int ret = 0;
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 
-	if (adev->pp_enabled && adev->pm.dpm_enabled)
-		amdgpu_pm_sysfs_fini(adev);
-
 	if (adev->powerplay.ip_funcs->hw_fini)
 		ret = adev->powerplay.ip_funcs->hw_fini(
 					adev->powerplay.pp_handle);
--- a/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/ci_dpm.c
@@ -6365,7 +6365,6 @@ static int ci_dpm_sw_fini(void *handle)
 	flush_work(&adev->pm.dpm.thermal.work);
 
 	mutex_lock(&adev->pm.mutex);
-	amdgpu_pm_sysfs_fini(adev);
 	ci_dpm_fini(adev);
 	mutex_unlock(&adev->pm.mutex);
 
--- a/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/kv_dpm.c
@@ -2969,16 +2969,10 @@ static int kv_dpm_late_init(void *handle
 {
 	/* powerdown unused blocks for now */
 	struct amdgpu_device *adev = (struct amdgpu_device *)handle;
-	int ret;
 
 	if (!amdgpu_dpm)
 		return 0;
 
-	/* init the sysfs and debugfs files late */
-	ret = amdgpu_pm_sysfs_init(adev);
-	if (ret)
-		return ret;
-
 	kv_dpm_powergate_acp(adev, true);
 	kv_dpm_powergate_samu(adev, true);
 
@@ -3040,7 +3034,6 @@ static int kv_dpm_sw_fini(void *handle)
 	flush_work(&adev->pm.dpm.thermal.work);
 
 	mutex_lock(&adev->pm.mutex);
-	amdgpu_pm_sysfs_fini(adev);
 	kv_dpm_fini(adev);
 	mutex_unlock(&adev->pm.mutex);
 
--- a/drivers/gpu/drm/amd/amdgpu/si_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/si_dpm.c
@@ -7604,11 +7604,6 @@ static int si_dpm_late_init(void *handle
 	if (!amdgpu_dpm)
 		return 0;
 
-	/* init the sysfs and debugfs files late */
-	ret = amdgpu_pm_sysfs_init(adev);
-	if (ret)
-		return ret;
-
 	ret = si_set_temperature_range(adev);
 	if (ret)
 		return ret;
@@ -7764,7 +7759,6 @@ static int si_dpm_sw_fini(void *handle)
 	flush_work(&adev->pm.dpm.thermal.work);
 
 	mutex_lock(&adev->pm.mutex);
-	amdgpu_pm_sysfs_fini(adev);
 	si_dpm_fini(adev);
 	mutex_unlock(&adev->pm.mutex);