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 8BD80C76188 for ; Fri, 19 Jul 2019 04:26:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5BF6920873 for ; Fri, 19 Jul 2019 04:26:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563510390; bh=UTvo9Sip3pIPTNRmp/G7kAkj9Nzu1ZZvWv4UA4uEA4g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=OFZnwTX7yzXJxMRWYOw2Yz5McWSirEyT9PJF9WZl+RxWoWWnyXoXbnRahZHcthRwy g7zkTuKfElkhkXR7hE5ceEOn3RY2efZtjN0ga3ymwn9pXQY8Y+iMVz6raswVPeQT1o bHtGXkyjQdm1TNhZDYCl72U/hwEqFx25KKTd8Qtw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733005AbfGSEIS (ORCPT ); Fri, 19 Jul 2019 00:08:18 -0400 Received: from mail.kernel.org ([198.145.29.99]:42350 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731392AbfGSEIN (ORCPT ); Fri, 19 Jul 2019 00:08:13 -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 77A4321871; Fri, 19 Jul 2019 04:08:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563509292; bh=UTvo9Sip3pIPTNRmp/G7kAkj9Nzu1ZZvWv4UA4uEA4g=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=p+tsgOYDXCC3SuqNHSJo1OlkFqGz/fZC/3CMJxNr05xXsCuM7d0ck3gpOXQ5ULu5V WtqIuRpwxax17kFaPLiO2olquGpPhNM8mCr8MjK2dz6dlRYUAn3yhikcvnOoQunKRL WXe+PZyDPKkHofaWpkdyPTdxGKiqPReiCLWbfycY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jyri Sarha , Andrzej Hajda , Laurent Pinchart , Sasha Levin , dri-devel@lists.freedesktop.org Subject: [PATCH AUTOSEL 4.19 018/101] drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz Date: Fri, 19 Jul 2019 00:06:09 -0400 Message-Id: <20190719040732.17285-18-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190719040732.17285-1-sashal@kernel.org> References: <20190719040732.17285-1-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: Jyri Sarha [ Upstream commit 8dbfc5b65023b67397aca28e8adb25c819f6398c ] The pixel clock unit in the first two registers (0x00 and 0x01) of sii9022 is 10kHz, not 1kHz as in struct drm_display_mode. Division by 10 fixes the issue. Signed-off-by: Jyri Sarha Reviewed-by: Andrzej Hajda Reviewed-by: Laurent Pinchart Signed-off-by: Andrzej Hajda Link: https://patchwork.freedesktop.org/patch/msgid/1a2a8eae0b9d6333e7a5841026bf7fd65c9ccd09.1558964241.git.jsarha@ti.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/sii902x.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/bridge/sii902x.c b/drivers/gpu/drm/bridge/sii902x.c index e59a13542333..0cc6dbbcddcf 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -261,10 +261,11 @@ static void sii902x_bridge_mode_set(struct drm_bridge *bridge, struct regmap *regmap = sii902x->regmap; u8 buf[HDMI_INFOFRAME_SIZE(AVI)]; struct hdmi_avi_infoframe frame; + u16 pixel_clock_10kHz = adj->clock / 10; int ret; - buf[0] = adj->clock; - buf[1] = adj->clock >> 8; + buf[0] = pixel_clock_10kHz & 0xff; + buf[1] = pixel_clock_10kHz >> 8; buf[2] = adj->vrefresh; buf[3] = 0x00; buf[4] = adj->hdisplay; -- 2.20.1