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=-11.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,USER_AGENT_GIT 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 BDD18C64E7B for ; Tue, 1 Dec 2020 11:35:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6D830206A5 for ; Tue, 1 Dec 2020 11:35:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730624AbgLALex (ORCPT ); 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