From patchwork Tue Oct 5 15:23:48 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tim Harvey X-Patchwork-Id: 12537059 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C150CC433FE for ; Tue, 5 Oct 2021 15:25:23 +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 930F261165 for ; Tue, 5 Oct 2021 15:25:23 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 930F261165 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=gateworks.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:List-Subscribe:List-Help: List-Post:List-Archive:List-Unsubscribe:List-Id:Message-Id:Date:Subject:Cc:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=LRgQMutlYYXW+oU00lB40i2pMKWh31TK8Evc0du6lpE=; b=c0P9DdTVIb0MuD BIW2ci3AAblh3j0ezvc7k7RGVbDugEFr1CnP14bFNAN0X+bVv24OKSNbznoJ0uxTXcfnU8wU/cflM Gx+H0q6l9pnSgiTR2xR8rkbLjne9R6Cy9S8mu25sUh3V5Wvxqebc23gkXH2atMKJhIXhZEpDajPGv 4n5Lb0N/LJb77znyZeYDs1MoKa7czGzPy5s5LvY/sC7A3Je6MXJ48Q9ZBWEux4blLWGcUA821AyJ5 gkNZPpdPu1J46O+ce6GmYS99iDIi9Jg6GLQJvSlU7luSMb+VaKNjfZ6sf4XecpjjUiLjtBIHOY4sW QvcBfrM6uQ7bCWuscKpg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXmIX-00B3OC-Na; Tue, 05 Oct 2021 15:24:05 +0000 Received: from finn.gateworks.com ([108.161.129.64] helo=finn.localdomain) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1mXmIU-00B3NL-9s for linux-arm-kernel@lists.infradead.org; Tue, 05 Oct 2021 15:24:03 +0000 Received: from 068-189-091-139.biz.spectrum.com ([68.189.91.139] helo=tharvey.pdc.gateworks.com) by finn.localdomain with esmtp (Exim 4.93) (envelope-from ) id 1mXmIJ-00798p-2A; Tue, 05 Oct 2021 15:23:51 +0000 From: Tim Harvey To: Shawn Guo , Rob Herring , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , NXP Linux Team , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: Tim Harvey , Lucas Stach Subject: [PATCH] arm64: dts: imx8mm-venice-gw7901.dts: disable pgc_gpumix Date: Tue, 5 Oct 2021 08:23:48 -0700 Message-Id: <20211005152348.17325-1-tharvey@gateworks.com> X-Mailer: git-send-email 2.17.1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20211005_082402_359493_DC243598 X-CRM114-Status: UNSURE ( 9.06 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Since commit d39d4bb15310 ("arm64: dts: imx8mm: add GPC node") the GW7901 will hang during kernel init because it does not power the unused GPU voltage rails on the IMX8MM. Disable pgc_gpumix to work around this. We also disable the GPU devices that depend on the gpumix power domain to avoid them staying in a probe deferred state forever. Cc: Lucas Stach Signed-off-by: Tim Harvey --- .../boot/dts/freescale/imx8mm-venice-gw7901.dts | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts index bafd5c8ea4e2..e0153ce35722 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts +++ b/arch/arm64/boot/dts/freescale/imx8mm-venice-gw7901.dts @@ -282,6 +282,14 @@ }; }; +&gpu_2d { + status = "disabled"; +}; + +&gpu_3d { + status = "disabled"; +}; + &i2c1 { clock-frequency = <100000>; pinctrl-names = "default"; @@ -632,6 +640,10 @@ status = "okay"; }; +&pgc_gpumix { + status = "disabled"; +}; + &uart1 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart1>, <&pinctrl_uart1_gpio>;