drm/amdgpu: fix a reversed condition

commit ccf9ef0b0d10434dec5046bcfc4e834a7b1830fd upstream.

This test was reversed so it would end up leading to vddnb value
can't be read via hwmon on APU.

Reviewed-by: Evan Quan <evan.quan@amd.com>
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>
Cc: stable@vger.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index a44c3d58fef4f8952c4cdf3054b15755e75b77ef..2ec20348b983703f0ba218162dedd744b5355cae 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1157,7 +1157,7 @@ static ssize_t amdgpu_hwmon_show_vddnb(struct device *dev,
        int r, size = sizeof(vddnb);
 
        /* only APUs have vddnb */
-       if  (adev->flags & AMD_IS_APU)
+       if  (!(adev->flags & AMD_IS_APU))
                return -EINVAL;
 
        /* Can't get voltage when the card is off */