[PATCH] drm/amd/powerplay: suppress the kernel test robot warning

[Evan Quan]

Suppress the warning below:
   In file included from drivers/gpu/drm/amd/amdgpu/../powerplay/smu_cmn.c:
>> drivers/gpu/drm/amd/powerplay/smu_cmn.c:485:9: warning: Identical condition 'ret', second condition is always false [identicalConditionAfterEarlyExit]
    return ret;
           ^
   drivers/gpu/drm/amd/powerplay/smu_cmn.c:477:6: note: first condition
    if (ret)
        ^
   drivers/gpu/drm/amd/powerplay/smu_cmn.c:485:9: note: second condition
    return ret;
           ^

Change-Id: I4b512008b8fe410fc7974e0483c39206ebec08ca
Signed-off-by: Evan Quan <evan.quan at amd.com>
Reported-by: kernel test robot <lkp at intel.com>
---
 drivers/gpu/drm/amd/powerplay/smu_cmn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/amd/powerplay/smu_cmn.c b/drivers/gpu/drm/amd/powerplay/smu_cmn.c
index 968b734baac0..a58ea08cd115 100644
--- a/drivers/gpu/drm/amd/powerplay/smu_cmn.c
+++ b/drivers/gpu/drm/amd/powerplay/smu_cmn.c
@@ -604,7 +604,7 @@ int smu_cmn_update_table(struct smu_context *smu,
 		memcpy(table_data, table->cpu_addr, table_size);
 	}
 
-	return ret;
+	return 0;
 }
 
 int smu_cmn_write_watermarks_table(struct smu_context *smu)
-- 
2.28.0