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

[Guchun Chen]

To avoid hardware intermittent failures.

Signed-off-by: Guchun Chen <guchun.chen at amd.com>
---
 .../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 7ed4d4265797..74996a8fb671 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
@@ -369,6 +369,17 @@ 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;
+
 	}
 }
 
-- 
2.25.1