This is a note to let you know that I've just added the patch titled
drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards
to the 5.10-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-disable-baco-entry-exit-completely-on-sev.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit c8ad8d3be64e8f660e78b7f07cf89e8135d6501e
Author: Guchun Chen <guchun.chen@xxxxxxx>
Date: Wed Sep 7 20:31:36 2022 +0800
drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards
[ Upstream commit 7bb91228291aa95bfee3b9d5710887673711c74c ]
To avoid hardware intermittent failures.
Signed-off-by: Guchun Chen <guchun.chen@xxxxxxx>
Reviewed-by: Lijo Lazar <lijo.lazar@xxxxxxx>
Signed-off-by: Alex Deucher <alexander.deucher@xxxxxxx>
Stable-dep-of: 0c85c067c9d9 ("drm/amdgpu: disable BACO on special BEIGE_GOBY card")
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
index def32b6897f9..91026d0c1c79 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -309,6 +309,17 @@ static void sienna_cichlid_check_bxco_support(struct smu_context *smu)
smu_baco->platform_support =
(val & RCC_BIF_STRAP0__STRAP_PX_CAPABLE_MASK) ? true :
false;
+
+ /*
+ * Disable BACO entry/exit completely on below SKUs to
+ * avoid hardware intermittent failures.
+ */
+ if (((adev->pdev->device == 0x73A1) &&
+ (adev->pdev->revision == 0x00)) ||
+ ((adev->pdev->device == 0x73BF) &&
+ (adev->pdev->revision == 0xCF)))
+ smu_baco->platform_support = false;
+
}
}
