From: jsg <jsg@openbsd.org>
Date: Mon, 9 Sep 2024 09:34:36 +0000 (+0000)
Subject: drm/amd/pm: check specific index for aldebaran
X-Git-Url: http://artulab.com/gitweb/?a=commitdiff_plain;h=ba6f5215002d8c54d9a1a25391926773326a79dc;p=openbsd

drm/amd/pm: check specific index for aldebaran

From Jesse Zhang
d0230b37206888c49df41639551802dce27fa26e in linux-6.6.y/6.6.50
0ce8ef2639c112ae203c985b758389e378630aac in mainline linux
---

diff --git a/sys/dev/pci/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c b/sys/dev/pci/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
index 266cea9b242..b30b9b0da12 100644
--- a/sys/dev/pci/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/sys/dev/pci/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1933,7 +1933,8 @@ static int aldebaran_mode2_reset(struct smu_context *smu)
 
 	index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG,
 						SMU_MSG_GfxDeviceDriverReset);
-
+	if (index < 0 )
+		return -EINVAL;
 	mutex_lock(&smu->message_lock);
 	if (smu_version >= 0x00441400) {
 		ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, SMU_RESET_MODE_2);