From: Lijo Lazar <lijo.lazar@amd.com>
Date: Fri, 29 Jan 2021 08:24:05 +0000 (+0800)
Subject: drm/amd/pm: Correct msg status check for powerlimit
X-Git-Tag: v5.15~1144^2~19^2~166
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=debd629a633670527c78f33ab4774899795fc01e;p=platform%2Fkernel%2Flinux-starfive.git

drm/amd/pm: Correct msg status check for powerlimit

Status 0 indicates success, fix the check before using PPTable limit

Signed-off-by: Lijo Lazar <lijo.lazar@amd.com>
Reviewed-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Kevin Wang <kevin1.wang@amd.com>`
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---

diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index 6295238..df94604 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1072,7 +1072,7 @@ static int aldebaran_get_power_limit(struct smu_context *smu)
 
 	ret = smu_cmn_send_smc_msg(smu, SMU_MSG_GetPptLimit, &power_limit);
 
-	if (!ret) {
+	if (ret) {
 		/* the last hope to figure out the ppt limit */
 		if (!pptable) {
 			dev_err(smu->adev->dev, "Cannot get PPT limit due to pptable missing!");