From nobody Fri Dec 19 17:35:37 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 68CFDC6FA83 for ; Mon, 26 Sep 2022 11:27:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235273AbiIZL1N (ORCPT ); Mon, 26 Sep 2022 07:27:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41944 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234485AbiIZL0Y (ORCPT ); Mon, 26 Sep 2022 07:26:24 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C322A69F46; Mon, 26 Sep 2022 03:40:47 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id CFAFCB8095B; Mon, 26 Sep 2022 10:40:04 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 3E75DC433D6; Mon, 26 Sep 2022 10:40:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1664188803; bh=Gl9io5BLtE9CCwEPd3iswAcZ+PjuZKqsZXFtnvw+MfE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=pofujomKsN3+S6zpNPHXj00ER0PzVfcjyPxmk0cQizwUhbUv0heAa5i7n6Lu+lQpq DpeYhnI5y0ous7mYL1UEUjnIXpeX3Fz21tMGxeMdQqR5ZnOh/SKYSfxk5YPH/v5pUC guij+V0NCmZsk/Ei11i2DpMo21U83+foft4JQ/uo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Guchun Chen , Lijo Lazar , Alex Deucher , Sasha Levin Subject: [PATCH 5.15 127/148] drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards Date: Mon, 26 Sep 2022 12:12:41 +0200 Message-Id: <20220926100800.944123863@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220926100756.074519146@linuxfoundation.org> References: <20220926100756.074519146@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Guchun Chen [ Upstream commit 7c6fb61a400bf3218c6504cb2d48858f98822c9d ] To avoid hardware intermittent failures. Signed-off-by: Guchun Chen Reviewed-by: Lijo Lazar Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- .../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/driv= ers/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 s= mu_context *smu) smu_baco->platform_support =3D (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 =3D=3D 0x73A1) && + (adev->pdev->revision =3D=3D 0x00)) || + ((adev->pdev->device =3D=3D 0x73BF) && + (adev->pdev->revision =3D=3D 0xCF))) + smu_baco->platform_support =3D false; + } } =20 --=20 2.35.1