[PATCH 4/4] drm/amd/powerplay: set pp_num_states as 0 on error situation

[evan.quan@xxxxxxx (Evan Quan)]

Change-Id: Ia27af812631666d2c9d54da156fd3451bd738d4b
Signed-off-by: Evan Quan <evan.quan at amd.com>
---
 drivers/gpu/drm/amd/powerplay/amd_powerplay.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
index f3888dd..684828a 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -726,6 +726,8 @@ static int pp_dpm_get_pp_num_states(void *handle,
 	struct pp_instance *pp_handle = (struct pp_instance *)handle;
 	int ret = 0;
 
+	memset(data, 0, sizeof(*data));
+
 	ret = pp_check(pp_handle);
 
 	if (ret)
-- 
2.7.4