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 6914EC10F1E for ; Sun, 18 Dec 2022 16:08:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231546AbiLRQIJ (ORCPT ); Sun, 18 Dec 2022 11:08:09 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33814 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231197AbiLRQFe (ORCPT ); Sun, 18 Dec 2022 11:05:34 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3F463BC95; Sun, 18 Dec 2022 08:04:15 -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 D794DB80B4A; Sun, 18 Dec 2022 16:04:13 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2CF7BC433D2; Sun, 18 Dec 2022 16:04:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1671379452; bh=zd+4XcInxVMqeLCkW2Lh9Qq7tWs7IhVLFiv/rgH/KEU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jbEZmCVuNZ9i3C0H0cs98JdgxGamGH3atDninv58+3mdH4Ir4PUIQNkpoc73PBXfg yFh3Y8mNn491gdF2r39um2cEuExpqpl635HQ5n+ZYm0SDas7XFSLugW4NgJlTCCZvf soi8ujlHoM7DHT/780ig/aC58qtVMgRFTijPTeUN6mrdYnBzmAQ2fEIEAYKSUrFE5I UOGUovThYpHxtNlusUvmcwkTs0cElN3FYNwLSFCdqjc6ZY2iy4Q4ixDcO7SdGUc1eK AuWGtKDTSh3OqdaBMNZgX7nw5qVoiBaZrNdcM7AcCgZMm+pmJxfewx2SZmy3o+O6RJ v6gdgxv1o3ARQ== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Wesley Chalmers , Jun Lei , Alan Liu , 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, wayne.lin@amd.com, alex.hung@amd.com, Roman.Li@amd.com, felipe.clark@amd.com, aric.cyr@amd.com, Jingwen.Zhu@amd.com, Alvin.Lee2@amd.com, aurabindo.pillai@amd.com, jaraftab@amd.com, amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 6.1 37/85] drm/amd/display: Disable DRR actions during state commit Date: Sun, 18 Dec 2022 11:00:54 -0500 Message-Id: <20221218160142.925394-37-sashal@kernel.org> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20221218160142.925394-1-sashal@kernel.org> References: <20221218160142.925394-1-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: Wesley Chalmers [ Upstream commit de020e5fa9ebc6fc32e82ae6ccb0282451ed937c ] [WHY] Committing a state while performing DRR actions can cause underflow. [HOW] Disabled features performing DRR actions during state commit. Need to follow-up on why DRR actions affect state commit. Reviewed-by: Jun Lei Acked-by: Alan Liu Signed-off-by: Wesley Chalmers Tested-by: Daniel Wheeler Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c | 3 --- 1 file changed, 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c index 8c5045711264..c20e9f76f021 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_hwseq.c @@ -992,8 +992,5 @@ void dcn30_prepare_bandwidth(struct dc *dc, dc->clk_mgr->funcs->set_max_memclk(dc->clk_mgr, dc->clk_mgr->bw_params->clk_table.entries[dc->clk_mgr->bw_params->clk_table.num_entries - 1].memclk_mhz); dcn20_prepare_bandwidth(dc, context); - - dc_dmub_srv_p_state_delegate(dc, - context->bw_ctx.bw.dcn.clk.fw_based_mclk_switching, context); } -- 2.35.1