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 C089AC433F5 for ; Mon, 28 Feb 2022 17:45:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238665AbiB1RqM (ORCPT ); Mon, 28 Feb 2022 12:46:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33284 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239651AbiB1Ro1 (ORCPT ); Mon, 28 Feb 2022 12:44:27 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C287F89CED; Mon, 28 Feb 2022 09:36:49 -0800 (PST) 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 EBB1CB815BA; Mon, 28 Feb 2022 17:36:44 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 488E9C340E7; Mon, 28 Feb 2022 17:36:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1646069803; bh=qbNNbykP+4sCWhIIBiMaTFZFir/tkMMCt9YxX/k7OtQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YlC7KrOcweSBXlaI1z6rt+F8/ncnoxkeMjvRWK+VijeQWjNLCGN+5hMuj+OinZFug 3pU3/RQxoQ1fxJ5GAuW+qWt378TmdEgpOc3mXw/iNbLdzJ0QdObBJaXPLfOvI7YwjE dlP+v5HpP9ayYQXS0Vc+QuO3mMDOlVPwlMR9rrwU= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Evan Quan , Alex Deucher Subject: [PATCH 5.15 018/139] drm/amdgpu: disable MMHUB PG for Picasso Date: Mon, 28 Feb 2022 18:23:12 +0100 Message-Id: <20220228172349.779132467@linuxfoundation.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220228172347.614588246@linuxfoundation.org> References: <20220228172347.614588246@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Evan Quan commit f626dd0ff05043e5a7154770cc7cda66acee33a3 upstream. MMHUB PG needs to be disabled for Picasso for stability reasons. Signed-off-by: Evan Quan Reviewed-by: Alex Deucher Signed-off-by: Alex Deucher Cc: stable@vger.kernel.org Signed-off-by: Greg Kroah-Hartman --- drivers/gpu/drm/amd/amdgpu/soc15.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) --- a/drivers/gpu/drm/amd/amdgpu/soc15.c +++ b/drivers/gpu/drm/amd/amdgpu/soc15.c @@ -1273,8 +1273,11 @@ static int soc15_common_early_init(void AMD_CG_SUPPORT_SDMA_LS | AMD_CG_SUPPORT_VCN_MGCG; + /* + * MMHUB PG needs to be disabled for Picasso for + * stability reasons. + */ adev->pg_flags = AMD_PG_SUPPORT_SDMA | - AMD_PG_SUPPORT_MMHUB | AMD_PG_SUPPORT_VCN; } else { adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |