From 462001ae1333c981a75eb61722004fd252f54d80 Mon Sep 17 00:00:00 2001 From: Jesse Zhang Date: Wed, 8 May 2024 17:13:28 +0800 Subject: [PATCH] drm/amd/pm: check specific index for aldebaran [ Upstream commit 0ce8ef2639c112ae203c985b758389e378630aac ] Check for specific indexes that may be invalid values. Signed-off-by: Jesse Zhang Reviewed-by: Yang Wang Reviewed-by: Tim Huang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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 cd8b0ab0112a..c79bff02a31a 100644 --- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c +++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c @@ -1939,7 +1939,8 @@ 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);