This is a note to let you know that I've just added the patch titled
drm/amd/pm: check specific index for smu13
to the 6.6-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-smu13.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 05189702a1d2e3db8156f25e6ac12e81d19f3538
Author: Jesse Zhang <jesse.zhang@xxxxxxx>
Date: Wed May 8 17:50:21 2024 +0800
drm/amd/pm: check specific index for smu13
[ Upstream commit a3ac9d1c9751f00026c2d98b802ec8a98626c3ed ]
Check for specific indexes that may be invalid values.
Signed-off-by: Jesse Zhang <Jesse.Zhang@xxxxxxx>
Suggested-by: Tim Huang <Tim.Huang@xxxxxxx>
Reviewed-by: Tim Huang <Tim.Huang@xxxxxxx>
Reviewed-by: Yang Wang <kevinyang.wang@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/smu_v13_0_6_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
index be4b7b64f878..44c5f8585f1e 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_6_ppt.c
@@ -2058,6 +2058,8 @@ static int smu_v13_0_6_mode2_reset(struct smu_context *smu)
index = smu_cmn_to_asic_specific_index(smu, CMN2ASIC_MAPPING_MSG,
SMU_MSG_GfxDeviceDriverReset);
+ if (index < 0)
+ return index;
mutex_lock(&smu->message_lock);
