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 D5E2FC6FA8E for ; Mon, 27 Feb 2023 02:36:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229646AbjB0Cgl (ORCPT ); Sun, 26 Feb 2023 21:36:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50282 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231636AbjB0Cg0 (ORCPT ); Sun, 26 Feb 2023 21:36:26 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 23BF130DC; Sun, 26 Feb 2023 18:35:48 -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 24AC7B80BA8; Mon, 27 Feb 2023 02:04:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id BF483C4339E; Mon, 27 Feb 2023 02:04:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677463472; bh=ueJ+nRG4PDKA3zbcPD1cYaqDinX2Y+hIhptCIR1APdA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rRBr3Bkt2nMU9oGNEBXiOPw5Q4rc1IAKdv/m85zOmPBF14pm6I6JCtr2P404k248z K0MP2mhJKB8A7kdyai8N2ITwAtpYxSTaeSjN/5gLTRtvfsQ5efaIE4XMlpHO5AkkzZ ihQQQYC4Xt5JebaziGapMRj76RYtvE2vwRPHhgJDF5Xhb7SU+bT6sVHwANCtkPDYvn sSf7k+A6L6li/0eF0S8h3aPsP51BY6FjREDB9mF6gOZ5TPb3NhIwVHlJV4sqUjB636 TkOA82NwuOLEXke42i9adKBK2xEtey7f35ZxX7HtFYd7AHZG0trtld9sMKFON5hs7M kX4cnuRg0vVlw== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Nicholas Kazlauskas , Hansen Dsouza , Qingqing Zhuo , Daniel Wheeler , Alex Deucher , Sasha Levin , harry.wentland@amd.com, sunpeng.li@amd.com, Rodrigo.Siqueira@amd.com, christian.koenig@amd.com, Xinhui.Pan@amd.com, airlied@gmail.com, daniel@ffwll.ch, Charlene.Liu@amd.com, alex.hung@amd.com, sancchen@amd.com, Daniel.Miess@amd.com, mwen@igalia.com, bernard@vivo.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.2 53/60] drm/amd/display: Disable HUBP/DPP PG on DCN314 for now Date: Sun, 26 Feb 2023 21:00:38 -0500 Message-Id: <20230227020045.1045105-53-sashal@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230227020045.1045105-1-sashal@kernel.org> References: <20230227020045.1045105-1-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: 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, -- 2.39.0