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 0E6E3C2BA19 for ; Sat, 11 Apr 2020 23:31:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D3C4520787 for ; Sat, 11 Apr 2020 23:31:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586647894; bh=+6MaRFBRFc5tMA9ZCmM93YxbmVgb2SQSRlPrEwHQA58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Ojjc2W6tkAiDkrYkvbXPHzXALkhjpRFlV0Y4uyWAcGL83fMUAVe/hRnYe4skRbDhK IfFpe96E+uRzB7prdyWWJoHyyBraicvbQFKrwMN7B4h46/f/6q7ADWxOnPHgmyKbzF MwoYzv5TbpmZjmnn2O7d3WiCieG0iIEGjrR0HgK8= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729460AbgDKXKP (ORCPT ); Sat, 11 Apr 2020 19:10:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:48438 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728610AbgDKXKP (ORCPT ); Sat, 11 Apr 2020 19:10:15 -0400 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 D8AE6217D8; Sat, 11 Apr 2020 23:10:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1586646615; bh=+6MaRFBRFc5tMA9ZCmM93YxbmVgb2SQSRlPrEwHQA58=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Tu3W2zLR9Im8RA6JVPdaCvXQ+or2kbC+m1sb09TXbXjN6Xd6uGeUyayQcGBdZbfpU M1DoUc3OLGDkbEYGaMmyUu97debUfJe09/iVeYw+7XpDK55/WCtnSlr1SUSxaxan4j 5U7iz2T27R5F66zMem/+A9/J1BFC1Xor1zPBzwXo= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Martin Leung , Aric Cyr , Rodrigo Siqueira , Alex Deucher , Sasha Levin , amd-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 5.4 026/108] drm/amd/display: writing stereo polarity register if swapped Date: Sat, 11 Apr 2020 19:08:21 -0400 Message-Id: <20200411230943.24951-26-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200411230943.24951-1-sashal@kernel.org> References: <20200411230943.24951-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Martin Leung [ Upstream commit e592e85f3378246dd66b861fa60ef803d8cece6b ] [why] on some displays that prefer swapped polarity we were seeing L/R images swapped because OTG_STEREO_SYNC_OUTPUT_POLARITY would always be mapped to 0 [how] fix initial dal3 implementation to properly update the polarity field according to the crtc_stereo_flags (same as OTG_STEREO_EYE_FLAG_POLARITY) Signed-off-by: Martin Leung Reviewed-by: Aric Cyr Acked-by: Rodrigo Siqueira Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c index e74a07d03fde9..5fda5824f2669 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c +++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_optc.c @@ -1185,7 +1185,7 @@ static void optc1_enable_stereo(struct timing_generator *optc, REG_UPDATE_3(OTG_STEREO_CONTROL, OTG_STEREO_EN, stereo_en, OTG_STEREO_SYNC_OUTPUT_LINE_NUM, 0, - OTG_STEREO_SYNC_OUTPUT_POLARITY, 0); + OTG_STEREO_SYNC_OUTPUT_POLARITY, flags->RIGHT_EYE_POLARITY == 0 ? 0 : 1); if (flags->PROGRAM_POLARITY) REG_UPDATE(OTG_STEREO_CONTROL, -- 2.20.1