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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A930C32771 for ; Mon, 26 Sep 2022 11:47:41 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238799AbiIZLrj (ORCPT ); Mon, 26 Sep 2022 07:47:39 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238878AbiIZLpA (ORCPT ); Mon, 26 Sep 2022 07:45:00 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [IPv6:2604:1380:4601:e00::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EA8FD7393F; Mon, 26 Sep 2022 03:47:07 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 7E8A4B80185; Mon, 26 Sep 2022 10:45:17 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id C66B6C43140; Mon, 26 Sep 2022 10:45:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1664189116; bh=XyojQ7fSLGv6sgp1IJlFNRcg0hwCTpYkavxuwJX689M=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yxj+eVGe4Wy71YjtWrJbA2i/CMK0DBJUrcJLBK3yWt8YtjsgmUOyUp7Ojbb9fX01H Mi43XJFraZk+X8KNtJAD+LoFcyfpe/f1cyuV9i+Uz/lDJpSOKXHjisa/MQjj+rXgFA iEuZ/jCTV7aQi5MVRi2AbwT9gLaRNzU4ksPZ9Dy0= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Marco Felsch , Lucas Stach , Adam Ford , Shawn Guo , Sasha Levin Subject: [PATCH 5.19 079/207] arm64: dts: imx8mn: remove GPU power domain reset Date: Mon, 26 Sep 2022 12:11:08 +0200 Message-Id: <20220926100810.114790618@linuxfoundation.org> X-Mailer: git-send-email 2.37.3 In-Reply-To: <20220926100806.522017616@linuxfoundation.org> References: <20220926100806.522017616@linuxfoundation.org> User-Agent: quilt/0.67 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 From: Marco Felsch [ Upstream commit 347155d1fa85972ac19d1bf58ae3f3ce95e51a5d ] The PGC (power gating controller) already handles the reset for the GPUMIX power domain. By specifying it within the device tree the reset it issued a 2nd time. This confuses the hardware during power up and sporadically hangs the SoC. Fix this by removing the reset property and let the hardware handle the reset. Fixes: 9a0f3b157e22e ("arm64: dts: imx8mn: Enable GPU") Signed-off-by: Marco Felsch Signed-off-by: Lucas Stach Tested-by: Adam Ford Signed-off-by: Shawn Guo Signed-off-by: Sasha Levin --- arch/arm64/boot/dts/freescale/imx8mn.dtsi | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index e41e1d56f980..7bd4eecd592e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -672,7 +672,6 @@ pgc_gpumix: power-domain@2 { <&clk IMX8MN_CLK_GPU_SHADER>, <&clk IMX8MN_CLK_GPU_BUS_ROOT>, <&clk IMX8MN_CLK_GPU_AHB>; - resets = <&src IMX8MQ_RESET_GPU_RESET>; }; pgc_dispmix: power-domain@3 { -- 2.35.1