From mboxrd@z Thu Jan 1 00:00:00 1970 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 9173EC6FA8E for ; Wed, 21 Sep 2022 16:08:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232471AbiIUQIF (ORCPT ); Wed, 21 Sep 2022 12:08:05 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44922 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232463AbiIUQHF (ORCPT ); Wed, 21 Sep 2022 12:07:05 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 007E9A3D66; Wed, 21 Sep 2022 08:55:20 -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 0E399B830CA; Wed, 21 Sep 2022 15:54:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8F15FC433C1; Wed, 21 Sep 2022 15:54:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1663775651; bh=Gl9io5BLtE9CCwEPd3iswAcZ+PjuZKqsZXFtnvw+MfE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ntjpyL4/iDL2Zndu2V1kyZ4g18XN3AkYLOqIZkInx80P8qHcv0rOajUaxNyHGULm2 09wLyj/l2ULGoRHbIbviOIQEvAYvOMGx7rTjHQCa0pnUgtPm5ZRW3wGxiSyiHx69ob ydMMy2g7LvzYgvBcpPOJ4/nldZiXle9MNNeE/f7jnOJX6BicDyFjpCpoG6fZaPhKMy DamdVxNeP3E6eyB6j9SU500bQTqdJhgYSh1s0rqNUNqPVJsBn1ybHIwVam/e1piJYa EDHD4+BV0lkP2XMwywoo+7g06znXnWKlxAU+oB+twsv3DHUKE+FcQoqabvSBgmJLwz W2Jjhc3HZWWBw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Guchun Chen , Lijo Lazar , Alex Deucher , Sasha Levin , evan.quan@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@linux.ie, daniel@ffwll.ch, luben.tuikov@amd.com, sathishkumar.sundararaju@amd.com, danijel.slivka@amd.com, Mohammadzafar.ziya@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.15 04/10] drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards Date: Wed, 21 Sep 2022 11:54:01 -0400 Message-Id: <20220921155407.235132-4-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220921155407.235132-1-sashal@kernel.org> References: <20220921155407.235132-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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/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