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=-3.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_NEOMUTT 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 2E278C04AB4 for ; Thu, 16 May 2019 08:31:33 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 004CE20848 for ; Thu, 16 May 2019 08:31:32 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="imgSNnOf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 004CE20848 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=bootlin.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender:Content-Type:Cc: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KKNvXOt8XhZ/DxaxSznbEq9k7HqHR/0DMQL0FtxKYCg=; b=imgSNnOf127uN1f/f9xiqZ7wM Wl4EG7+0vbjslBH9cEhWNaGoEmXsNRevyq4gCgZYXnlBj0EtYxRSQq1sIp7FBX0pbD+hVz7qkwzaj yd2mPTSbHHPLIIBFa9+0T82tP71ypQ2aAW3CwOXabn1rADSQWsX8IExqwcPF2F0Iy5qOjnAM6bE8S FMRCK9BSaVEJckqNOcd81I4RhZeDVDgYk3zmdhyf8LolZsC4Gm5ef0X1xpsnvpV+YBSnJcDHmkMMn SLVDxuaxXc30ltCEbD4ts+TPD7mAtiwMC8DV0n1TE13jAmAhumQpvu3IbpBhT8Juhu+JwSfRpHQY5 gVkotVcyQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRBnV-0000mZ-IY; Thu, 16 May 2019 08:31:29 +0000 Received: from relay7-d.mail.gandi.net ([217.70.183.200]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hRBnR-0000m5-6u for linux-arm-kernel@lists.infradead.org; Thu, 16 May 2019 08:31:26 +0000 X-Originating-IP: 80.215.246.107 Received: from localhost (unknown [80.215.246.107]) (Authenticated sender: maxime.ripard@bootlin.com) by relay7-d.mail.gandi.net (Postfix) with ESMTPSA id 6532D20003; Thu, 16 May 2019 08:31:05 +0000 (UTC) Date: Thu, 16 May 2019 10:31:04 +0200 From: Maxime Ripard To: Jernej Skrabec Subject: Re: [PATCH 0/2] drm/sun4i: Fix sun8i HDMI PHY initialization Message-ID: <20190516083104.rr2ewg3dd4aej67b@flea> References: <20190514204337.11068-1-jernej.skrabec@siol.net> MIME-Version: 1.0 In-Reply-To: <20190514204337.11068-1-jernej.skrabec@siol.net> User-Agent: NeoMutt/20180716 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190516_013125_403100_2C5BCBD8 X-CRM114-Status: GOOD ( 11.08 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: airlied@linux.ie, linux-sunxi@googlegroups.com, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, wens@csie.org, daniel@ffwll.ch, linux-arm-kernel@lists.infradead.org Content-Type: multipart/mixed; boundary="===============1343639309332059077==" Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org --===============1343639309332059077== Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="nxc66wpttvnorf5q" Content-Disposition: inline --nxc66wpttvnorf5q Content-Type: text/plain; charset=us-ascii Content-Disposition: inline On Tue, May 14, 2019 at 10:43:35PM +0200, Jernej Skrabec wrote: > I received a report that 4K resolution doesn't work if U-Boot video > driver is disabled. It turns out that HDMI PHY clock driver was > initialized prematurely, before reset line was deasserted and clocks > enabled. U-Boot video driver masked the issue because it set pixel > clock correctly. > > In the process of researching the bug, I also found out that few bits > in HDMI PHY registers were not set correctly. While there is no > noticeable change (4K resolution works with both settings), I've > added fix anyway, to be conformant with vendor documentation. Applied both, thanks Maxime -- Maxime Ripard, Bootlin Embedded Linux and Kernel engineering https://bootlin.com --nxc66wpttvnorf5q Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iHUEABYIAB0WIQRcEzekXsqa64kGDp7j7w1vZxhRxQUCXN0fyAAKCRDj7w1vZxhR xUAXAP9xICklXvpieTeqdcZC4XE/+a2QALTSkxog1dIwU2z9hgEA9W1tdHngDaMj jYInZNsuhpQY0H7zxkIQTeX7MeX2Ogs= =TN7Y -----END PGP SIGNATURE----- --nxc66wpttvnorf5q-- --===============1343639309332059077== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============1343639309332059077==--