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 C41A3C678D5 for ; Tue, 7 Mar 2023 18:18:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232625AbjCGSSa (ORCPT ); Tue, 7 Mar 2023 13:18:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35254 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232637AbjCGSSK (ORCPT ); Tue, 7 Mar 2023 13:18:10 -0500 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 825087AB7 for ; Tue, 7 Mar 2023 10:12:53 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id BA2B1B81851 for ; Tue, 7 Mar 2023 18:12:51 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 12994C4339B; Tue, 7 Mar 2023 18:12:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1678212770; bh=j3SsXPfit0k+7teO/+qymtnavDrv+NJw0Di82qu0viU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Bt51o79Uao8nLPbcbODKB1vPW0y/VACoQK2gVKu4lQwyeRSvGTtqeRzib5bRTxHbe 5tVBIQFNlkL2W94AZbcBMiUonBRnGeQvo4KEsi9aJkEfxMsY2rqit7UtpAqKYAPVlF Cvbr2eiVOww9S3KdzWNKoboox2ry8F9hB8plc/HY= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Marek Vasut , Maxime Ripard , Sasha Levin Subject: [PATCH 6.1 292/885] drm/bridge: tc358767: Set default CLRSIPO count Date: Tue, 7 Mar 2023 17:53:46 +0100 Message-Id: <20230307170014.759158003@linuxfoundation.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230307170001.594919529@linuxfoundation.org> References: <20230307170001.594919529@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Marek Vasut [ Upstream commit 01338bb82fed40a6a234c2b36a92367c8671adf0 ] The current CLRSIPO count is still marginal and does not work with high DSI clock rates in burst mode. Increase it further to allow the DSI link to work at up to 1Gbps lane speed. This returns the counts to defaults as provided by datasheet. Fixes: ea6490b02240b ("drm/bridge: tc358767: increase CLRSIPO count") Signed-off-by: Marek Vasut Acked-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20221016003556.406441-1-marex@denx.de Signed-off-by: Sasha Levin --- drivers/gpu/drm/bridge/tc358767.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/bridge/tc358767.c b/drivers/gpu/drm/bridge/tc358767.c index 2a58eb271f701..b9b681086fc49 100644 --- a/drivers/gpu/drm/bridge/tc358767.c +++ b/drivers/gpu/drm/bridge/tc358767.c @@ -1264,10 +1264,10 @@ static int tc_dsi_rx_enable(struct tc_data *tc) u32 value; int ret; - regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 5); - regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 5); + regmap_write(tc->regmap, PPI_D0S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D1S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D2S_CLRSIPOCOUNT, 25); + regmap_write(tc->regmap, PPI_D3S_CLRSIPOCOUNT, 25); regmap_write(tc->regmap, PPI_D0S_ATMR, 0); regmap_write(tc->regmap, PPI_D1S_ATMR, 0); regmap_write(tc->regmap, PPI_TX_RX_TA, TTA_GET | TTA_SURE); -- 2.39.2