From: Guchun Chen guchun.chen@amd.com
[ Upstream commit 7bb91228291aa95bfee3b9d5710887673711c74c ]
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 Stable-dep-of: 0c85c067c9d9 ("drm/amdgpu: disable BACO on special BEIGE_GOBY card") Signed-off-by: Sasha Levin sashal@kernel.org --- .../gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c | 11 +++++++++++ 1 file changed, 11 insertions(+)
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; + } }