From: Jesse Zhang <jesse.zhang@amd.com>
Date: Thu, 9 May 2024 09:20:24 +0000 (+0800)
Subject: drm/amd/pm: fix get dpm level count for smu13
X-Git-Tag: microblaze-v6.13~537^2~32^2~244
X-Git-Url: http://git.monstr.eu/?a=commitdiff_plain;h=7fc7db824cd4785c91ed5ca14711ae55d12e9610;p=linux-2.6-microblaze.git

drm/amd/pm: fix get dpm level count for smu13

For invalid clk types, return -EINVAL to check the return.

Signed-off-by: Jesse Zhang <Jesse.Zhang@amd.com>
Reviewed-by: Yifan Zhang <yifan1.zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
index 59854465d711..9c2c43bfed0b 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_5_ppt.c
@@ -643,7 +643,7 @@ static int smu_v13_0_5_get_dpm_level_count(struct smu_context *smu,
 		*count = clk_table->NumDfPstatesEnabled;
 		break;
 	default:
-		break;
+		return -EINVAL;
 	}
 
 	return 0;