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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 D14F4C432C1 for ; Tue, 24 Sep 2019 16:49:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A6FC121971 for ; Tue, 24 Sep 2019 16:49:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569343742; bh=TivASpM3/86zANGlVZN2Uu3v/DewE3+KHlZDVvnmyWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=lDd+ZyscuDlNvcyUHh0hrq9JMpab85Tticmcz0h2mfu6Mnbjkh0oCLJUOIaR4GnLg sY7kyoKCl4qWbv8yJhYG2BhKBpl3f3PED1VQzsfkMGD5AhVqEMl6NDi3X5NUH3nVBH Lj5xFdVr/kYSsCpzl6a4LK/Mj+m/DluqgluC+3lI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2410196AbfIXQtB (ORCPT ); Tue, 24 Sep 2019 12:49:01 -0400 Received: from mail.kernel.org ([198.145.29.99]:40878 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2392951AbfIXQsy (ORCPT ); Tue, 24 Sep 2019 12:48:54 -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 76BC7222C1; Tue, 24 Sep 2019 16:48:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1569343734; bh=TivASpM3/86zANGlVZN2Uu3v/DewE3+KHlZDVvnmyWc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=KpFCRjdfG4wLwOYUarWR+sOoFZkWMiRqsw/Q9KMfOfovDKyBnQWyX5UIRpHvwyW78 2gxrEeyoKmFAFxNjuDqba15r1UC9GJgg1fTNLMQphIIfDhL+3cyfDBrCR0Tro2s85U ptgNAhXfbViVjZ6/i8gOFL2vcJwCWHQD7VT3J2+w= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Lucas Stach , Philipp Zabel , Sam Ravnborg , Sasha Levin , dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.19 04/50] drm/panel: simple: fix AUO g185han01 horizontal blanking Date: Tue, 24 Sep 2019 12:48:01 -0400 Message-Id: <20190924164847.27780-4-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190924164847.27780-1-sashal@kernel.org> References: <20190924164847.27780-1-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: Lucas Stach [ Upstream commit f8c6bfc612b56f02e1b8fae699dff12738aaf889 ] The horizontal blanking periods are too short, as the values are specified for a single LVDS channel. Since this panel is dual LVDS they need to be doubled. With this change the panel reaches its nominal vrefresh rate of 60Fps, instead of the 64Fps with the current wrong blanking. Philipp Zabel added: The datasheet specifies 960 active clocks + 40/128/160 clocks blanking on each of the two LVDS channels (min/typical/max), so doubled this is now correct. Signed-off-by: Lucas Stach Reviewed-by: Philipp Zabel Reviewed-by: Sam Ravnborg Signed-off-by: Sam Ravnborg Link: https://patchwork.freedesktop.org/patch/msgid/1562764060.23869.12.camel@pengutronix.de Signed-off-by: Sasha Levin --- drivers/gpu/drm/panel/panel-simple.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-simple.c b/drivers/gpu/drm/panel/panel-simple.c index 5fd94e2060297..654fea2b43124 100644 --- a/drivers/gpu/drm/panel/panel-simple.c +++ b/drivers/gpu/drm/panel/panel-simple.c @@ -689,9 +689,9 @@ static const struct panel_desc auo_g133han01 = { static const struct display_timing auo_g185han01_timings = { .pixelclock = { 120000000, 144000000, 175000000 }, .hactive = { 1920, 1920, 1920 }, - .hfront_porch = { 18, 60, 74 }, - .hback_porch = { 12, 44, 54 }, - .hsync_len = { 10, 24, 32 }, + .hfront_porch = { 36, 120, 148 }, + .hback_porch = { 24, 88, 108 }, + .hsync_len = { 20, 48, 64 }, .vactive = { 1080, 1080, 1080 }, .vfront_porch = { 6, 10, 40 }, .vback_porch = { 2, 5, 20 }, -- 2.20.1