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From 811f2f2c3f3653140aeeed4f38949ca32a0609a4 Mon Sep 17 00:00:00 2001
From: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
Date: Wed, 15 May 2019 16:17:05 -0400
Subject: [PATCH 1981/2940] drm/amd/powerplay: Fix maybe-uninitialized in
get_ppfeature_status
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
This fixes the warning below
error: ‘feature_mask’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
*features_enabled = ((((uint64_t)feature_mask[0] << SMU_FEATURES_LOW_SHIFT) & SMU_FEATURES_LOW_MASK) |
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^
(((uint64_t)feature_mask[1] << SMU_FEATURES_HIGH_SHIFT) & SMU_FEATURES_HIGH_MASK));
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Signed-off-by: Bhawanpreet Lakha <Bhawanpreet.Lakha@amd.com>
---
drivers/gpu/drm/amd/powerplay/vega20_ppt.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
index b39f3d439332..4aa8f5a69c4c 100644
--- a/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
+++ b/drivers/gpu/drm/amd/powerplay/vega20_ppt.c
@@ -2377,7 +2377,7 @@ static int vega20_odn_edit_dpm_table(struct smu_context *smu,
static int vega20_get_enabled_smc_features(struct smu_context *smu,
uint64_t *features_enabled)
{
- uint32_t feature_mask[2];
+ uint32_t feature_mask[2] = {0, 0};
int ret = 0;
ret = smu_feature_get_enabled_mask(smu, feature_mask, 2);
--
2.17.1
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