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 E466AC678D5 for ; Tue, 7 Mar 2023 17:49:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232007AbjCGRtd (ORCPT ); Tue, 7 Mar 2023 12:49:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36534 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232102AbjCGRtP (ORCPT ); Tue, 7 Mar 2023 12:49:15 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9FA48A54CF for ; Tue, 7 Mar 2023 09:43:57 -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 dfw.source.kernel.org (Postfix) with ESMTPS id 7D7F9614B2 for ; Tue, 7 Mar 2023 17:43:57 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5F99CC433D2; Tue, 7 Mar 2023 17:43:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678211036; bh=4S6++14pFs8C4dfALsnbpM+8aX0OuxAnlzTS33TScJQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ynR8g+6TRconUEIEDat7/QxpGk1DwcdlLjT3Wu2OLcE7fDMaHbtAGFboG5JB85vWh Vn4mb7i/5/KVUe75mBWMJmbyf/dNfQmVkVFbT4GMGtyA2IAAGVaAmGTJnbaWmA8Urr 9jb4bftNagFD+Zc99W3r/5zElkT9xu6ZOG12tfAI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Hansen Dsouza , Qingqing Zhuo , Nicholas Kazlauskas , Daniel Wheeler , Alex Deucher , Sasha Levin Subject: [PATCH 6.2 0734/1001] drm/amd/display: Disable HUBP/DPP PG on DCN314 for now Date: Tue, 7 Mar 2023 17:58:26 +0100 Message-Id: <20230307170053.556847534@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170022.094103862@linuxfoundation.org> References: <20230307170022.094103862@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: stable@vger.kernel.org From: Nicholas Kazlauskas [ Upstream commit b7c67f72408b11b922f23f06c7df0f6743a2e89d ] [Why] The DMCUB implementation required to workaround corruption is not currently stable and may cause intermittent corruption or hangs. [How] Disable PG until the sequence is stable. Reviewed-by: Hansen Dsouza Acked-by: Qingqing Zhuo Signed-off-by: Nicholas Kazlauskas Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c index bc7f2b735327e..73f519dbdb531 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -892,6 +892,8 @@ static const struct dc_debug_options debug_defaults_drv = { .force_abm_enable = false, .timing_trace = false, .clock_trace = true, + .disable_dpp_power_gate = true, + .disable_hubp_power_gate = true, .disable_pplib_clock_request = false, .pipe_split_policy = MPC_SPLIT_DYNAMIC, .force_single_disp_pipe_split = false, -- 2.39.2