This is a note to let you know that I've just added the patch titled
drm/amd/pm/smu13: BACO is supported when it's in BACO state
to the 6.1-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-smu13-baco-is-supported-when-it-s-in-baco-state.patch
and it can be found in the queue-6.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 972fb53d3605eb6cdf0d6ae9a52e910626a91ff7 Mon Sep 17 00:00:00 2001
From: Guchun Chen <guchun.chen@xxxxxxx>
Date: Tue, 10 Jan 2023 11:33:44 +0800
Subject: drm/amd/pm/smu13: BACO is supported when it's in BACO state
From: Guchun Chen <guchun.chen@xxxxxxx>
commit 972fb53d3605eb6cdf0d6ae9a52e910626a91ff7 upstream.
This leverages the logic in smu11. No need to talk to SMU to
check BACO enablement as it's in BACO state already.
Signed-off-by: Guchun Chen <guchun.chen@xxxxxxx>
Reviewed-by: Kenneth Feng <kenneth.feng@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx # 6.0, 6.1
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c | 4 ++++
1 file changed, 4 insertions(+)
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0.c
@@ -2249,6 +2249,10 @@ bool smu_v13_0_baco_is_support(struct sm
!smu_baco->platform_support)
return false;
+ /* return true if ASIC is in BACO state already */
+ if (smu_v13_0_baco_get_state(smu) == SMU_BACO_STATE_ENTER)
+ return true;
+
if (smu_cmn_feature_is_supported(smu, SMU_FEATURE_BACO_BIT) &&
!smu_cmn_feature_is_enabled(smu, SMU_FEATURE_BACO_BIT))
return false;
Patches currently in stable-queue which might be from guchun.chen@xxxxxxx are
queue-6.1/drm-amd-pm-smu13-baco-is-supported-when-it-s-in-baco-state.patch
