[PATCH -next] drm/amd/pm: remove unused variable

[Zou Wei]

Fix variable set but not used compilation warning:

./vangogh_ppt.c:397:6: warning: variable ‘ret’ set but not used 
[-Wunused-but-set-variable]
  int ret = 0;
      ^~~

Reported-by: Hulk Robot <hul...@huawei.com>
Signed-off-by: Zou Wei <zou_...@huawei.com>
---
 drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c 
b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 6e26025..355ade5 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -394,8 +394,6 @@ static int vangogh_get_current_activity_percent(struct 
smu_context *smu,
                                               enum amd_pp_sensors sensor,
                                               uint32_t *value)
 {
-       int ret = 0;
-
        if (!value)
                return -EINVAL;
 
-- 
2.6.2