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=-8.7 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 0D2D6C31E4A for ; Thu, 13 Jun 2019 16:29:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA36F20644 for ; Thu, 13 Jun 2019 16:29:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560443361; bh=+9Og/o81Y9qJ5aqH7Cm1b4XJ1OWrZoHmBkfRzrDbxCs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=F1rx2ybUFSszelK8adMqGrzVER3JVxaT4ESyvZ8/wTduQAiAVZ8t+oYFo4npmIueF a0/YeswSV/8BeuR1vOdAsikzy6v0ys4jnxuFYN8qppbMi7y6PWH7OVGSVF7HQku/hs ARqaKdobiI+s+AbxVfcn994e87/M7v1l2Jxg5/aM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728419AbfFMQ3V (ORCPT ); Thu, 13 Jun 2019 12:29:21 -0400 Received: from mail.kernel.org ([198.145.29.99]:53140 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730928AbfFMIfV (ORCPT ); Thu, 13 Jun 2019 04:35:21 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DF8E420B7C; Thu, 13 Jun 2019 08:35:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1560414921; bh=+9Og/o81Y9qJ5aqH7Cm1b4XJ1OWrZoHmBkfRzrDbxCs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=EDJYIGYnjMtUv5n4QaFZqJ+tG11pjzQQF9F5i29anSHZliJXZxeIYi1TszdR89eO8 hER2LUdQe5yTpgxiEoOey+/UuIAz5oValNLxozDmDOJyRpa4Z6MTgc3hKtCMQEnIy5 xURUp5R3colSRQG1pM4jgygKBTQhYNeKszHscZms= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Laurent Pinchart , Matt Redfearn , Sean Paul , Sasha Levin Subject: [PATCH 4.14 21/81] drm/bridge: adv7511: Fix low refresh rate selection Date: Thu, 13 Jun 2019 10:33:04 +0200 Message-Id: <20190613075650.698756464@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190613075649.074682929@linuxfoundation.org> References: <20190613075649.074682929@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit 67793bd3b3948dc8c8384b6430e036a30a0ecb43 ] The driver currently sets register 0xfb (Low Refresh Rate) based on the value of mode->vrefresh. Firstly, this field is specified to be in Hz, but the magic numbers used by the code are Hz * 1000. This essentially leads to the low refresh rate always being set to 0x01, since the vrefresh value will always be less than 24000. Fix the magic numbers to be in Hz. Secondly, according to the comment in drm_modes.h, the field is not supposed to be used in a functional way anyway. Instead, use the helper function drm_mode_vrefresh(). Fixes: 9c8af882bf12 ("drm: Add adv7511 encoder driver") Reviewed-by: Laurent Pinchart Signed-off-by: Matt Redfearn Signed-off-by: Sean Paul Link: https://patchwork.freedesktop.org/patch/msgid/20190424132210.26338-1-matt.redfearn@thinci.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/adv7511/adv7511_drv.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c index f5091827628a..3c94d838863e 100644 --- a/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c +++ b/drivers/gpu/drm/bridge/adv7511/adv7511_drv.c @@ -735,11 +735,11 @@ static void adv7511_mode_set(struct adv7511 *adv7511, vsync_polarity = 1; } - if (mode->vrefresh <= 24000) + if (drm_mode_vrefresh(mode) <= 24) low_refresh_rate = ADV7511_LOW_REFRESH_RATE_24HZ; - else if (mode->vrefresh <= 25000) + else if (drm_mode_vrefresh(mode) <= 25) low_refresh_rate = ADV7511_LOW_REFRESH_RATE_25HZ; - else if (mode->vrefresh <= 30000) + else if (drm_mode_vrefresh(mode) <= 30) low_refresh_rate = ADV7511_LOW_REFRESH_RATE_30HZ; else low_refresh_rate = ADV7511_LOW_REFRESH_RATE_NONE; -- 2.20.1