From: Rex Zhu <Rex.Zhu@amd.com>
Date: Mon, 9 Jan 2017 07:18:01 +0000 (+0800)
Subject: drm/amdgpu: fix bug return invalid value to sysfs.
X-Git-Tag: android-x86-8.1-r1~4055^2~31^2~67
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=8e7afd34fd5fca66f59c959e0d97e57ad2c0b3ef;p=android-x86%2Fkernel.git

drm/amdgpu: fix bug return invalid value to sysfs.

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_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index f251d0f4ea6a..9abd8f6705c0 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -184,7 +184,7 @@ static ssize_t amdgpu_set_dpm_forced_performance_level(struct device *dev,
 	}
 
 	if (current_level == level)
-		return 0;
+		return count;
 
 	if (level == AMD_DPM_FORCED_LEVEL_PROFILING)
 		amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_GFX,