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=-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 85C57C6377D for ; Mon, 19 Jul 2021 16:34:11 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6C0EA613DF for ; Mon, 19 Jul 2021 16:34:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1348162AbhGSPx2 (ORCPT ); Mon, 19 Jul 2021 11:53:28 -0400 Received: from mail.kernel.org ([198.145.29.99]:49840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1350410AbhGSPvC (ORCPT ); Mon, 19 Jul 2021 11:51:02 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 7AACE606A5; Mon, 19 Jul 2021 16:29:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1626712165; bh=tyoEZuOIayPlpo4emVkw+vdqX5DcqfQ95gjQbIXD1cY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=c6bkYAi6znct08IwonOYbvdrOmlD7prtIZ0G5W6oRAp42KSur4YvkkbSSUfEPSNKY rvJvNX/sNMZmkwdE2KXLuVsSAhDvGdD/bZdVI2VhxjJ4LN9Gkx6mCQQvRK8vyfn2rU ORS8P9mtz+fH2rbljpjIPAaPysTCQmKL+FMPCljs= 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 5.12 276/292] arm64: dts: rockchip: Re-add regulator-boot-on, regulator-always-on for vdd_gpu on rk3399-roc-pc Date: Mon, 19 Jul 2021 16:55:38 +0200 Message-Id: <20210719144951.990140156@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210719144942.514164272@linuxfoundation.org> References: <20210719144942.514164272@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 20309076dbac..e4345e5bdfb6 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-roc-pc.dtsi @@ -488,6 +488,8 @@ 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 { -- 2.30.2