From patchwork Fri Mar 22 08:06:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jyri Sarha X-Patchwork-Id: 10865219 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 6ECAC139A for ; Fri, 22 Mar 2019 08:06:45 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 59DEF2A47C for ; Fri, 22 Mar 2019 08:06:45 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4E42F2A4EF; Fri, 22 Mar 2019 08:06:45 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 04C5E2A47C for ; Fri, 22 Mar 2019 08:06:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E428E6E27B; Fri, 22 Mar 2019 08:06:43 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by gabe.freedesktop.org (Postfix) with ESMTPS id 355596E27B for ; Fri, 22 Mar 2019 08:06:42 +0000 (UTC) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id x2M86RF6086268; Fri, 22 Mar 2019 03:06:27 -0500 Received: from DLEE105.ent.ti.com (dlee105.ent.ti.com [157.170.170.35]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x2M86RlC024311 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Fri, 22 Mar 2019 03:06:27 -0500 Received: from DLEE111.ent.ti.com (157.170.170.22) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Fri, 22 Mar 2019 03:06:26 -0500 Received: from dlep33.itg.ti.com (157.170.170.75) by DLEE111.ent.ti.com (157.170.170.22) with Microsoft SMTP Server (version=TLS1_0, cipher=TLS_RSA_WITH_AES_256_CBC_SHA) id 15.1.1713.5 via Frontend Transport; Fri, 22 Mar 2019 03:06:27 -0500 Received: from jadmar.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by dlep33.itg.ti.com (8.14.3/8.13.8) with ESMTP id x2M86Gba003094; Fri, 22 Mar 2019 03:06:24 -0500 From: Jyri Sarha To: , , Subject: [PATCH v5 3/6] drm/bridge: sii902x: pixel clock unit is 10kHz instead of 1kHz Date: Fri, 22 Mar 2019 10:06:12 +0200 Message-ID: <79d8bb11ab712740982f73394dca8c046dc3f8f0.1553241734.git.jsarha@ti.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: References: MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-Mailman-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1553241987; bh=YU21NqtIpmdEX7r0H3rNpNL1udpsklFyqoI+1/lZt5I=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=a7D72rdTMKxiAG8CU1OV7/NxCDiQprt0ExkMWloODEln5eJ3Z9Jxh6NmOtB8Xnbih ku3/og82Bqw2VP1DccMtzjE2YP3MZ8faKVOegbEgbUKmyFcQsiv/adHB0ylVp4bQ4T 5OqWmptQ2jZ83tFG1lXfqSEDpN7PEtjh/6+vA8w4= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: fabrizio.castro@bp.renesas.com, Songjun.Wu@atmel.com, peter.ujfalusi@ti.com, tomi.valkeinen@ti.com, laurent.pinchart@ideasonboard.com, voice.shen@atmel.com Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP 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 --- 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 f73eaa6d729a..358cf81c5ea4 100644 --- a/drivers/gpu/drm/bridge/sii902x.c +++ b/drivers/gpu/drm/bridge/sii902x.c @@ -248,10 +248,11 @@ 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;