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

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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 <hulkci@xxxxxxxxxx>
Signed-off-by: Zou Wei <zou_wei@xxxxxxxxxx>
---
 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

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