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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, 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 39B05C388F7 for ; Tue, 3 Nov 2020 22:03:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ED88921556 for ; Tue, 3 Nov 2020 22:03:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604441036; bh=SuTF/ZQvEP2QRNHtC1kbCGO9N/BK4wXOq4jLihueTIE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=DRrwn3qLxmaGObXrKcR+P0e+bfSlmUIkH+IEIyobrgCLaOwIRGm0z7vcl1mUGgaWA j7g9Ki62qFy1kOCfxy3jnSLcDBbBrROIoFQU9PIDJNCkgV1Lvg/cxJVBcqVi687Rlx h5OhqMAjIqv1pHNHAHoIOqbM1VXkJOomn0iJkaGc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730531AbgKCWDz (ORCPT ); Tue, 3 Nov 2020 17:03:55 -0500 Received: from mail.kernel.org ([198.145.29.99]:58762 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730828AbgKCUoE (ORCPT ); Tue, 3 Nov 2020 15:44:04 -0500 Received: from localhost (83-86-74-64.cable.dynamic.v4.ziggo.nl [83.86.74.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 06EC9223EA; Tue, 3 Nov 2020 20:44:03 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1604436244; bh=SuTF/ZQvEP2QRNHtC1kbCGO9N/BK4wXOq4jLihueTIE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QugptlhP2qn6QXLNGsU5cohGd0ciaNGLaKRgStr7W229FjIubqf95LKwITc4AifWS Wm1X5Qgb/ZD6eS3B+us2bBoTzNGSRfv0f6IGrIG4ayPAiMeEpFnAebGXKko1fDuvT8 +3QhdVZ40KQd3UGxYqZ/TUsp3iLP+pw6z0ROv14c= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Arthur Demchenkov , Merlijn Wajer , Sebastian Reichel , Tony Lindgren , Sasha Levin Subject: [PATCH 5.9 165/391] ARM: dts: omap4: Fix sgx clock rate for 4430 Date: Tue, 3 Nov 2020 21:33:36 +0100 Message-Id: <20201103203357.981764968@linuxfoundation.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201103203348.153465465@linuxfoundation.org> References: <20201103203348.153465465@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: linux-kernel@vger.kernel.org From: Tony Lindgren [ Upstream commit 19d3e9a0bdd57b90175f30390edeb06851f5f9f3 ] We currently have a different clock rate for droid4 compared to the stock v3.0.8 based Android Linux kernel: # cat /sys/kernel/debug/clk/dpll_*_m7x2_ck/clk_rate 266666667 307200000 # cat /sys/kernel/debug/clk/l3_gfx_cm:clk:0000:0/clk_rate 307200000 Let's fix this by configuring sgx to use 153.6 MHz instead of 307.2 MHz. Looks like also at least duover needs this change to avoid hangs, so let's apply it for all 4430. This helps a bit with thermal issues that seem to be related to memory corruption when using sgx. It seems that other driver related issues still remain though. Cc: Arthur Demchenkov Cc: Merlijn Wajer Cc: Sebastian Reichel Signed-off-by: Tony Lindgren Signed-off-by: Sasha Levin --- arch/arm/boot/dts/omap4.dtsi | 2 +- arch/arm/boot/dts/omap443x.dtsi | 10 ++++++++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/omap4.dtsi b/arch/arm/boot/dts/omap4.dtsi index 0282b9de3384f..52e8298275050 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -410,7 +410,7 @@ status = "disabled"; }; - target-module@56000000 { + sgx_module: target-module@56000000 { compatible = "ti,sysc-omap4", "ti,sysc"; reg = <0x5600fe00 0x4>, <0x5600fe10 0x4>; diff --git a/arch/arm/boot/dts/omap443x.dtsi b/arch/arm/boot/dts/omap443x.dtsi index 8ed510ab00c52..cb309743de5da 100644 --- a/arch/arm/boot/dts/omap443x.dtsi +++ b/arch/arm/boot/dts/omap443x.dtsi @@ -74,3 +74,13 @@ }; /include/ "omap443x-clocks.dtsi" + +/* + * Use dpll_per for sgx at 153.6MHz like droid4 stock v3.0.8 Android kernel + */ +&sgx_module { + assigned-clocks = <&l3_gfx_clkctrl OMAP4_GPU_CLKCTRL 24>, + <&dpll_per_m7x2_ck>; + assigned-clock-rates = <0>, <153600000>; + assigned-clock-parents = <&dpll_per_m7x2_ck>; +}; -- 2.27.0