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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 45E27C433F5 for ; Tue, 5 Oct 2021 15:24:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2E70461165 for ; Tue, 5 Oct 2021 15:24:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235816AbhJEPZy (ORCPT ); Tue, 5 Oct 2021 11:25:54 -0400 Received: from finn.gateworks.com ([108.161.129.64]:52140 "EHLO finn.localdomain" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S230059AbhJEPZw (ORCPT ); Tue, 5 Oct 2021 11:25:52 -0400 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 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.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>; -- 2.17.1