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 EA4C4C07E9D for ; Mon, 26 Sep 2022 11:57:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238980AbiIZL5H (ORCPT ); Mon, 26 Sep 2022 07:57:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49564 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239076AbiIZLya (ORCPT ); Mon, 26 Sep 2022 07:54:30 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C991876944; Mon, 26 Sep 2022 03:50:12 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 8642560AF5; Mon, 26 Sep 2022 10:50:02 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8F157C433D6; Mon, 26 Sep 2022 10:50:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1664189402; bh=HQt0Dir2v/OKPiuSGmulQLZyU2gBxDWR9oKGbTv2oXI=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=idMkFBqxSeeU6DA+wRMLR6Ca0w8ch7l5TpAIRnJ0q3iWunp9U/0yAPEy/Evy1YEMA FFeBzAjTvm5swPnJnsIBA7qZ+NFR+cgKgnDMknP12LobPeMxZhH1AZcpiKBcwo/y6O wdg9jygwCycsVdngLTcE73maR+Iry3LpfgXGfLOs= 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 5.19 176/207] drm/amd/pm: disable BACO entry/exit completely on several sienna cichlid cards Date: Mon, 26 Sep 2022 12:12:45 +0200 Message-Id: <20220926100814.516349402@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220926100806.522017616@linuxfoundation.org> References: <20220926100806.522017616@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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 32bb6b1d9526..d13e455c8827 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; + } } -- 2.35.1