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 X-Spam-Level: X-Spam-Status: No, score=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7FE21C00454 for ; Tue, 10 Dec 2019 21:29:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4BC23206D5 for ; Tue, 10 Dec 2019 21:29:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576013342; bh=osEMQ+qjmPG568bwq3Y3oZd6+35Cqc6/K7SPM9SAm24=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mMVLk9DY4dUd0O3zA/QnE0XIdym+acCh6DFrPcEft4LZ+mXFIGyoZj3MQFdx1dJa5 sh+oKGBNphFkhZl6KiOacjMcYFnfUITmAaSX2ylNZpVkYCZbmrox73QOoQ7VR8eXXh 3Aogz0thGqUMEUeZnR9e/4JTDrpL4g/4LfQOs0lM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728435AbfLJVKR (ORCPT ); Tue, 10 Dec 2019 16:10:17 -0500 Received: from mail.kernel.org ([198.145.29.99]:59642 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728374AbfLJVKI (ORCPT ); Tue, 10 Dec 2019 16:10:08 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 674B8246B6; Tue, 10 Dec 2019 21:10:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1576012208; bh=osEMQ+qjmPG568bwq3Y3oZd6+35Cqc6/K7SPM9SAm24=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=AYsMBrNUu4O6C739L78hFjOmDIrMbkl1orucS7TJCA0dHrdL34hC7zarEIo9Kuol9 FRjOier54+NlUano2ImIwidcpO9bdtfaC1xSVIjn7eyGO3+EM03riGZdeJMBo/aaF5 GWYpyVujBsQ4/+wUY702Nte8YPymU71B8Xz9U2vc= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Zhan liu , Nicholas Kazlauskas , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.4 160/350] drm/amd/display: setting the DIG_MODE to the correct value. Date: Tue, 10 Dec 2019 16:04:25 -0500 Message-Id: <20191210210735.9077-121-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20191210210735.9077-1-sashal@kernel.org> References: <20191210210735.9077-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Zhan liu [ Upstream commit 967a3b85bac91c55eff740e61bf270c2732f48b2 ] [Why] This patch is for fixing Navi14 HDMI display pink screen issue. [How] Call stream->link->link_enc->funcs->setup twice. This is setting the DIG_MODE to the correct value after having been overridden by the call to transmitter control. Signed-off-by: Zhan Liu Reviewed-by: Nicholas Kazlauskas Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/core/dc_link.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c index efc1d30544bb6..067f5579f4523 100644 --- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c +++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c @@ -2769,6 +2769,15 @@ void core_link_enable_stream( CONTROLLER_DP_TEST_PATTERN_VIDEOMODE, COLOR_DEPTH_UNDEFINED); + /* This second call is needed to reconfigure the DIG + * as a workaround for the incorrect value being applied + * from transmitter control. + */ + if (!dc_is_virtual_signal(pipe_ctx->stream->signal)) + stream->link->link_enc->funcs->setup( + stream->link->link_enc, + pipe_ctx->stream->signal); + #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT if (pipe_ctx->stream->timing.flags.DSC) { if (dc_is_dp_signal(pipe_ctx->stream->signal) || -- 2.20.1