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

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>

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 6db67f082d91758eece57c919e14e705e0148354..644ea150e0751890820cc79e66c24aa6f61dcb83 100644 (file)
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/sienna_cichlid_ppt.c
@@ -368,6 +368,17 @@ 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;
+
        }
 }