From 9d4e3b49655d000346a69e6f8cc373ee2a95d584 Mon Sep 17 00:00:00 2001 From: Guchun Chen Date: Wed, 7 Sep 2022 20:31:36 +0800 Subject: [PATCH] drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards To avoid hardware intermittent failures. Signed-off-by: Guchun Chen Reviewed-by: Lijo Lazar (cherry picked from commit b87a53928ead0154dfeaa4dd55fe459e3be49db5) Change-Id: I4aec7dc196477799578eafde0dd690594716f862 --- .../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 84e61a9967acf..ed9fbadff5b50 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 @@ -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; + } }