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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 902B5C43334 for ; Thu, 7 Jul 2022 08:06:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235202AbiGGIGh (ORCPT ); Thu, 7 Jul 2022 04:06:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52082 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235175AbiGGIGa (ORCPT ); Thu, 7 Jul 2022 04:06:30 -0400 Received: from ironport.ite.com.tw (60-251-196-230.hinet-ip.hinet.net [60.251.196.230]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1B3233E1D for ; Thu, 7 Jul 2022 01:06:29 -0700 (PDT) Received: from unknown (HELO mse.ite.com.tw) ([192.168.35.30]) by ironport.ite.com.tw with ESMTP; 07 Jul 2022 16:06:29 +0800 Received: from CSBMAIL1.internal.ite.com.tw (CSBMAIL1.internal.ite.com.tw [192.168.65.58]) by mse.ite.com.tw with ESMTP id 26786NhS042559; Thu, 7 Jul 2022 16:06:23 +0800 (GMT-8) (envelope-from allen.chen@ite.com.tw) Received: from VirtualBox.internal.ite.com.tw (192.168.70.46) by CSBMAIL1.internal.ite.com.tw (192.168.65.58) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2176.14; Thu, 7 Jul 2022 16:06:23 +0800 From: allen CC: Allen Chen , Pin-yen Lin , Jau-Chih Tseng , Kenneth Hung , Hermes Wu , Pin-Yen Lin , Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , "open list:DRM DRIVERS" , open list Subject: [PATCH 3/3] drm/bridge: it6505: Modified video clock calculation and video debug message Date: Thu, 7 Jul 2022 16:05:59 +0800 Message-ID: <20220707080600.49041-4-allen.chen@ite.com.tw> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220707080600.49041-1-allen.chen@ite.com.tw> References: <20220707080600.49041-1-allen.chen@ite.com.tw> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII X-Originating-IP: [192.168.70.46] X-ClientProxiedBy: CSBMAIL1.internal.ite.com.tw (192.168.65.58) To CSBMAIL1.internal.ite.com.tw (192.168.65.58) X-TM-SNTS-SMTP: E3FDFD5508ED8861E199F559B82EF4936875AD59EA9190E4A1C2472A584984512002:8 X-MAIL: mse.ite.com.tw 26786NhS042559 To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: allen chen Speed up video clock calculation and remove redundant video debug message. Signed-off-by: Pin-Yen Lin Signed-off-by: Allen Chen --- drivers/gpu/drm/bridge/ite-it6505.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/ite-it6505.c b/drivers/gpu/drm/bridge/ite-it6505.c index cfd2c3275dc5..11a34ddb60a1 100644 --- a/drivers/gpu/drm/bridge/ite-it6505.c +++ b/drivers/gpu/drm/bridge/ite-it6505.c @@ -703,7 +703,7 @@ static void it6505_calc_video_info(struct it6505 *it6505) DRM_DEV_DEBUG_DRIVER(dev, "hactive_start:%d, vactive_start:%d", hdes, vdes); - for (i = 0; i < 10; i++) { + for (i = 0; i < 3; i++) { it6505_set_bits(it6505, REG_DATA_CTRL0, ENABLE_PCLK_COUNTER, ENABLE_PCLK_COUNTER); usleep_range(10000, 15000); @@ -720,7 +720,7 @@ static void it6505_calc_video_info(struct it6505 *it6505) return; } - sum /= 10; + sum /= 3; pclk = 13500 * 2048 / sum; it6505->video_info.clock = pclk; it6505->video_info.hdisplay = hdew; @@ -2344,8 +2344,6 @@ static void it6505_irq_hpd(struct it6505 *it6505) if (!it6505_get_video_status(it6505)) it6505_video_reset(it6505); - - it6505_calc_video_info(it6505); } else { memset(it6505->dpcd, 0, sizeof(it6505->dpcd)); -- 2.25.1