Received: by 2002:a05:6a10:f347:0:0:0:0 with SMTP id d7csp4381297pxu; Tue, 1 Dec 2020 03:38:46 -0800 (PST) X-Google-Smtp-Source: ABdhPJzPm2ta+TEyEgGfCEc22iWSSrvWhY2J2uJK+HtQ35pSpuQoVfgYQI5koa1InijvlnPtjIAE X-Received: by 2002:aa7:dccd:: with SMTP id w13mr2562103edu.385.1606822725817; Tue, 01 Dec 2020 03:38:45 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1606822725; cv=none; d=google.com; s=arc-20160816; b=CnimpVnEtqNAYIG0XQVFDg1EqdZRKEvEXYXselBNiekWYCftmYlhMJNEZf0JAKBhog XMfohkkkMo81kbVNZk2+2zbxUzQ4BaQaVypHxBAWtU1Mw9o2ScV03Yr2Vvc5WDr+TlBO y2d59XSJITsJ7nadK8mQmu9pL0NbeIaZbcR+1R2/ln+HsmrFmCSjZ4BjmS1RSShveGfD hmZeS5EN7WxXAtyLnxLjlfEfnGsQJZat9CUzWLn3s2E0Aixf6paIbF4pwhUJGtjQCVdi r2pszXLAB2zQgdA24xP9MVmYqZ5VJ2E2oFCjac0L1TeA384DPQTU/Lr+G3OSjxfF999T 8Eew== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:to:from; bh=H4uSkY1OLllpY1snmSl74IaD+GW5b7ScvJJUre4XQ5I=; b=RUpnHUrcx9rFqH0X6aSapF3+1Vbigs+Wcr/ksIF0xlY8OSBHCpr2NfHdq8esZizIby cZTFtXAfcNcW1i4ZoSgUwph0R35Lh6K4iJeEG2wYbpLd1ObpY0bmo9yACKFlJNAXH8Vq spqGJWPqEw2tSjdNzS9Y0m5Vx7ug2vxuzA3a5V8eTItwLWKXLe9o6VS7DZXRMa5wqhMm 7WYcxMtzRBrPwJxXofL8yniYx+vPoDcw6AhfWgmlM9yx+Sf3NOCUGQEiPlvuMkHbyvuI /apI1FDQSwXsChl27MfjetMyUSEkVux1zZHNz/B2Q3dALPDLy35teClrCqcHqncBwdZ4 t7kA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id p24si945372edm.242.2020.12.01.03.38.22; Tue, 01 Dec 2020 03:38:45 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730593AbgLALex (ORCPT + 99 others); Tue, 1 Dec 2020 06:34:53 -0500 Received: from honk.sigxcpu.org ([24.134.29.49]:42966 "EHLO honk.sigxcpu.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727378AbgLALew (ORCPT ); Tue, 1 Dec 2020 06:34:52 -0500 Received: from localhost (localhost [127.0.0.1]) by honk.sigxcpu.org (Postfix) with ESMTP id 680E4FB04; Tue, 1 Dec 2020 12:34:09 +0100 (CET) X-Virus-Scanned: Debian amavisd-new at honk.sigxcpu.org Received: from honk.sigxcpu.org ([127.0.0.1]) by localhost (honk.sigxcpu.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 882LQzVv8614; Tue, 1 Dec 2020 12:34:08 +0100 (CET) Received: by bogon.sigxcpu.org (Postfix, from userid 1000) id EF1524068E; Tue, 1 Dec 2020 12:34:07 +0100 (CET) From: =?UTF-8?q?Guido=20G=C3=BCnther?= To: Laurentiu Palcu , Lucas Stach , Philipp Zabel , David Airlie , Daniel Vetter , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 0/1] drm/imx/dcss: Add interconnect support Date: Tue, 1 Dec 2020 12:34:06 +0100 Message-Id: X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This allows us to raise DRAM bandiwth to a high enough value for a stable picture on i.mx8mq. We pick a bandwidth that should be sufficient for 4k@60Hz. This was tested on a Librem 5 with the (not yet) mainline mhdp DP controller. Without that initial boot works fine but e.g. fb unblank results in a cyan screen. Modelled like mdp5_kms. Guido Günther (1): drm/imx/dcss: Add interconnect support drivers/gpu/drm/imx/dcss/dcss-dev.c | 47 +++++++++++++++++++++++++++-- drivers/gpu/drm/imx/dcss/dcss-dev.h | 3 ++ 2 files changed, 48 insertions(+), 2 deletions(-) -- 2.29.2