From patchwork Mon Jul 19 14:54:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Greg Kroah-Hartman X-Patchwork-Id: 480535 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=-20.2 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, 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 1F9CDC6379D for ; Mon, 19 Jul 2021 16:21:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0739861408 for ; Mon, 19 Jul 2021 16:21:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245330AbhGSPkY (ORCPT ); Mon, 19 Jul 2021 11:40:24 -0400 Received: from mail.kernel.org ([198.145.29.99]:59806 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349260AbhGSPfu (ORCPT ); Mon, 19 Jul 2021 11:35:50 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 694B061002; Mon, 19 Jul 2021 16:16:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626711388; bh=SD6KaOdEE72yoPpha/X39Wyc5nelJ721zGP6f5rdehc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=1ySKom2UB3ahw5KCDb1825RPLjKb/NLG7cYFL5j5b9AlXKr6OwDg2NUtWKqBp88hO wtxGzv2faUsMhRXRym3hANf3XNeGC0tFOhO5wmBaudFHjPUeNslkuGx3uP127fFJgU 50NMxVJ3fYVUo23uTAf1te5y3A/rTZM/s6+QzpOQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Alex Bee , Heiko Stuebner , Sasha Levin Subject: [PATCH 5.13 335/351] arm64: dts: rockchip: Re-add regulator-boot-on, regulator-always-on for vdd_gpu on rk3399-roc-pc Date: Mon, 19 Jul 2021 16:54:41 +0200 Message-Id: <20210719144956.151292336@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144944.537151528@linuxfoundation.org> References: <20210719144944.537151528@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Alex Bee [ Upstream commit 06b2818678d9b35102c9816ffaf6893caf306ed0 ] This might be a limitation of either the current panfrost driver devfreq implementation or how the gpu is implemented in RK3399 SoC. The gpu regulator must never get disabled or the registers get (randomly?) inaccessable by the driver. (see all other RK3399 boards) Fixes: ec7d731d81e7 ("arm64: dts: rockchip: Add node for gpu on rk3399-roc-pc") Signed-off-by: Alex Bee Link: https://lore.kernel.org/r/20210619121446.7802-1-knaerzche@gmail.com Signed-off-by: Heiko Stuebner Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi index c172f5a803e7..3d5eb0b235b4 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi @@ -493,6 +493,8 @@ regulator-min-microvolt = <712500>; regulator-max-microvolt = <1500000>; regulator-ramp-delay = <1000>; + regulator-always-on; + regulator-boot-on; vin-supply = <&vcc3v3_sys>; regulator-state-mem {