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 phobos.denx.de (phobos.denx.de [85.214.62.61]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 44B8CC433EF for ; Mon, 14 Mar 2022 22:39:52 +0000 (UTC) Received: from h2850616.stratoserver.net (localhost [IPv6:::1]) by phobos.denx.de (Postfix) with ESMTP id A9F5083B67; Mon, 14 Mar 2022 23:39:49 +0100 (CET) Authentication-Results: phobos.denx.de; dmarc=none (p=none dis=none) header.from=denx.de Authentication-Results: phobos.denx.de; spf=pass smtp.mailfrom=u-boot-bounces@lists.denx.de DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1647297590; bh=NoOuD4R0MTVtvyUfXT5U1QTc7Si3gSiuzNDVc0AXqkw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=IOYSs7QHoFmwv91DhNZcNP31c3HZFIITMxeD37lhvaZiXMx7MQGkvyXqh6VyVnoJa fSi8EwV4S9iSjQE1o5ejWlzuymktmw+g7fS9IeRlMdhqF3xkUJwsYXKDTwqxSx7FlZ HFOdgj9QMEy2Cxnfza2Oi2ZaL3U4jq6PnwOzWFN8ZxaHte45YWRCJyKS1x2Cypl0b/ UCLmLMEJs0GTfjjKcBj+Q3Y8IbY5040VEnYTLf0LBNUTEGQOmf4MV3sNdMpeXULkdl TNcL6PA2TbZoLjMe+KjTU8EGwJwRbOzx9gojEkwosfz++as70VZUmOnSE0a/s6OZVd t/Ox7KSsGhV5Q== Received: from crub (p508b6e90.dip0.t-ipconnect.de [80.139.110.144]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) (Authenticated sender: agust@denx.de) by phobos.denx.de (Postfix) with ESMTPSA id B4B1383991; Mon, 14 Mar 2022 23:39:46 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=denx.de; s=phobos-20191101; t=1647297586; bh=NoOuD4R0MTVtvyUfXT5U1QTc7Si3gSiuzNDVc0AXqkw=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=CwqHAMU7osNuDDTuE2yiPo2zntv0A8CTPw3TelA1VnXkBAiTZNloQCuSXGAeSX+Lq ESAzTV1yP2LbtWq374Isc6zbaK6JFfAxOfu8gogaTNilPrx0x5ylPO8en45knuoxcz DbCItlSvhs6K9oD2aiMjbB+6f0rWUbste0I5bmqI4yzcUUfGCe1Nx6DWklmecHxv50 pkfwEd8LLNg7PHtP/8AAbyryobyT1khdTs71LdBWoRz9vahYqUlRVQAbJKYwNG9aAM V8BJAmtMQydZkvDlCXy2uutrxpPExxg3jpdzbh+6hYDHxJnJCRqF/Wv7dhrTcMlVts 3oL6qUsJV3t4w== Date: Mon, 14 Mar 2022 23:39:45 +0100 From: Anatolij Gustschin To: =?UTF-8?B?U8OpYmFzdGllbg==?= Szymanski Cc: u-boot@lists.denx.de, Julien Boibessot Subject: Re: [PATCH 1/1] video: mxsfb: fix pixel clock polarity Message-ID: <20220314233945.532ce379@crub> In-Reply-To: <20211126144827.22931-1-sebastien.szymanski@armadeus.com> References: <20211126144827.22931-1-sebastien.szymanski@armadeus.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.39 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" X-Virus-Scanned: clamav-milter 0.103.5 at phobos.denx.de X-Virus-Status: Clean Hi S=C3=A9bastien, On Fri, 26 Nov 2021 15:48:27 +0100 S=C3=A9bastien Szymanski sebastien.szymanski@armadeus.com wrote: > DISPLAY_FLAGS_PIXDATA_NEGEDGE means the controller drives the data on > pixel clocks falling edge. That is DOTCLK_POL=3D0 (default) not 1. I wanted to apply this patch for release, but testing on i.MX6UL 14x14 EVK board shows that there is display flickering. So it seems wrong for the display used on the EVK board. -- Anatolij