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From c2a8397b66b63fc778e3fdeb5d44046850260993 Mon Sep 17 00:00:00 2001
From: Evan Quan <evan.quan@amd.com>
Date: Thu, 28 Dec 2017 14:37:58 +0800
Subject: [PATCH 3060/4131] drm/amd/powerplay: set pp_num_states as 0 on error
situation
Change-Id: Ia27af812631666d2c9d54da156fd3451bd738d4b
Signed-off-by: Evan Quan <evan.quan@amd.com>
Acked-by: Alex Deucher <alexander.deucher@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 9f555d0..eb5de2ef 100644
--- a/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
+++ b/drivers/gpu/drm/amd/powerplay/amd_powerplay.c
@@ -718,6 +718,8 @@ 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
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