[PATCH AUTOSEL 5.15 04/10] drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards

[Sasha Levin]

From: Guchun Chen <guchun.c...@amd.com>

[ Upstream commit 7c6fb61a400bf3218c6504cb2d48858f98822c9d ]

To avoid hardware intermittent failures.

Signed-off-by: Guchun Chen <guchun.c...@amd.com>
Reviewed-by: Lijo Lazar <lijo.la...@amd.com>
Signed-off-by: Alex Deucher <alexander.deuc...@amd.com>
Signed-off-by: Sasha Levin <sas...@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 79976921dc46..c71d50e82168 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
@@ -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;
+
        }
 }
 
-- 
2.35.1