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drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards

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[ Upstream commit 7c6fb61a400bf3218c6504cb2d48858f98822c9d ]

To avoid hardware intermittent failures.

Signed-off-by: Guchun Chen <guchun.chen@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Guchun Chen
2022-09-07 20:31:36 +08:00
committed by Greg Kroah-Hartman
parent e5ae504c86
commit f76d6f309a
1 changed files with 11 additions and 0 deletions
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11
drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
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@@ -358,6 +358,17 @@ 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;
}
}