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 E14A5C7EE23 for ; Mon, 27 Feb 2023 02:40:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231748AbjB0Ckh (ORCPT ); Sun, 26 Feb 2023 21:40:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60858 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229530AbjB0CkS (ORCPT ); Sun, 26 Feb 2023 21:40:18 -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 DFD3413D58; Sun, 26 Feb 2023 18:39:56 -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 70134B80B1E; Mon, 27 Feb 2023 02:08:42 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E588FC433D2; Mon, 27 Feb 2023 02:08:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677463721; bh=5+PkTz5bTYiYgMDUzUeJpa2HZx1ob0963tY5ioT566Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IyEslEcyb+mfKAYC98Znc3i08G/ybWR+0Ssf46gqfav+XoYVMbBsAm3RdijO5MVAh abJfWsXbJlan+p9aWAEzDoSPDMm/m7N49Y4OFEFl1tR7dWDffRJ+unwEY95LSHIGCl E1xcwU/I4PY4yY/gX2wx1eBXJWAkqgMKuzLyQAlgU19ogEAUzvvSIpfSOzebzMnPt4 Vm5mjkvbCrAg0KffYAiLuZPGIaoGNFYZtltKkFFAcsQgbsiZcilh6pfY1f6u1nJmjE Vly2HJ7D8LmWx6hcBUGzmyi/5uhc1v+eB/dZa4rEsLtPbbIzJdIY1W7gKRJdEB0ubI D2MDna4RzW3XQ== 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, gabe.teeger@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.1 52/58] drm/amd/display: Disable HUBP/DPP PG on DCN314 for now Date: Sun, 26 Feb 2023 21:04:50 -0500 Message-Id: <20230227020457.1048737-52-sashal@kernel.org> X-Mailer: git-send-email 2.39.0 In-Reply-To: <20230227020457.1048737-1-sashal@kernel.org> References: <20230227020457.1048737-1-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 5985ce8df4e08..9918bccd6defb 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn314/dcn314_resource.c @@ -888,6 +888,8 @@ 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