From: Rex Zhu <Rex.Zhu@amd.com>
Date: Tue, 29 Mar 2016 06:34:51 +0000 (+0800)
Subject: drm/amdgpu: check dpm state before pm system fs initialized.
X-Git-Tag: v4.6~139^2~1^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5349ece70600bd574d9a825801c00f900acda3d4;p=platform%2Fkernel%2Flinux-amlogic.git

drm/amdgpu: check dpm state before pm system fs initialized.

Make sure powerplay initialized properly before enabling
debugfs pm files.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed- by: Alex Deucher <alexander.deucher@amd.com>

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
index 9430a7d..e9c6ae6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_powerplay.c
@@ -143,7 +143,7 @@ static int amdgpu_pp_late_init(void *handle)
 					adev->powerplay.pp_handle);
 
 #ifdef CONFIG_DRM_AMD_POWERPLAY
-	if (adev->pp_enabled) {
+	if (adev->pp_enabled && adev->pm.dpm_enabled) {
 		amdgpu_pm_sysfs_init(adev);
 		amdgpu_dpm_dispatch_task(adev, AMD_PP_EVENT_COMPLETE_INIT, NULL, NULL);
 	}