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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id CAE9EC7EE23 for ; Mon, 27 Feb 2023 02:07:42 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5A22210E312; Mon, 27 Feb 2023 02:07:42 +0000 (UTC) Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by gabe.freedesktop.org (Postfix) with ESMTPS id A791510E312; Mon, 27 Feb 2023 02:07:40 +0000 (UTC) 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 63BF0B80CD9; Mon, 27 Feb 2023 02:07:39 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9B39DC433EF; Mon, 27 Feb 2023 02:07:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1677463658; bh=INn+U1GXAUe+gaSxv5/iSa1snUoDzIdU/5IrwnueNkc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h4+XDPQbf5u70aaSKmXpFtHjzIBOuu/IsVBemcoDqBw+dqrkEYKboO+BoPm306Zx3 T13iFmfVrvnGB1PFb1SD3Fbce/+r2qC3fNhS2KRSQCswvld0MwTOgZgtgY0qj868H2 09DM+NMAKpmg5v20MttSHB4d885QrLYv1Gve7ZHEUaF47btkns5VeqcFaOVK4+dIKH UCt6wM8r0W2yPjut0qAsckIIL0vb/eCU8Z/Ts1FeS1e2UZaTZ4uKuaT2yLr8XBFwXN gGvpc2hWOth82QtaL4xOxon72JBvvSQZzo3cuNYisnNdKQ35KFFE9/aBwi4LeNAGq6 1+Mp9kaJwllKA== From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Subject: [PATCH AUTOSEL 6.1 44/58] drm/amd/display: Do not set DRR on pipe commit Date: Sun, 26 Feb 2023 21:04:42 -0500 Message-Id: <20230227020457.1048737-44-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 X-BeenThere: amd-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion list for AMD gfx List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: felipe.clark@amd.com, wenjing.liu@amd.com, dri-devel@lists.freedesktop.org, Jun Lei , airlied@gmail.com, Sasha Levin , Anthony.Koo@amd.com, Rodrigo.Siqueira@amd.com, amd-gfx@lists.freedesktop.org, aurabindo.pillai@amd.com, Alvin.Lee2@amd.com, harry.wentland@amd.com, HaoPing.Liu@amd.com, sunpeng.li@amd.com, mwen@igalia.com, sungjoon.kim@amd.com, Wesley Chalmers , Qingqing Zhuo , Xinhui.Pan@amd.com, Roman.Li@amd.com, daniel@ffwll.ch, Alex Deucher , christian.koenig@amd.com Errors-To: amd-gfx-bounces@lists.freedesktop.org Sender: "amd-gfx" From: Wesley Chalmers [ Upstream commit 4f1b5e739dfd1edde33329e3f376733a131fb1ff ] [WHY] Writing to DRR registers such as OTG_V_TOTAL_MIN on the same frame as a pipe commit can cause underflow. [HOW] Defer all DPP adjustment requests till optimized_required is false. Reviewed-by: Jun Lei Acked-by: Qingqing Zhuo Signed-off-by: Wesley Chalmers 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 8c50457112649..c20e9f76f0213 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); } -- 2.39.0