This is a note to let you know that I've just added the patch titled
drm/amd/pm: check specific index for aldebaran
to the 6.10-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
drm-amd-pm-check-specific-index-for-aldebaran.patch
and it can be found in the queue-6.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit e1cf67b8ddb4e2ac91bbf66dbd9a73feda353d1d
Author: Jesse Zhang <jesse.zhang@xxxxxxx>
Date: Wed May 8 17:13:28 2024 +0800
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 <Jesse.Zhang@xxxxxxx>
Reviewed-by: Yang Wang <kevinyang.wang@xxxxxxx>
Reviewed-by: Tim Huang <Tim.Huang@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
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 ce941fbb9cfb..a22eb6bbb05e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/aldebaran_ppt.c
@@ -1886,7 +1886,8 @@ 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->smc_fw_version >= 0x00441400) {
ret = smu_cmn_send_msg_without_waiting(smu, (uint16_t)index, SMU_RESET_MODE_2);
