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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,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 7FDBCC63777 for ; Tue, 27 Oct 2020 00:31:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3F8D2216FD for ; Tue, 27 Oct 2020 00:31:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603758672; bh=N9AjbVwfNcg8ED2a9tBb6AQfNzeMlUm54ridBsYIR10=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=aLUPP9FIMYDMErxvkPOEJnxpb4Ya62I3m40XBbf6fwL+Sc8FcqAy8qaW5u2o+F2Pt wgJVKcznTBCMczOvF1dFnE9UQfi5iazm4W6UPelsBe1CBWAgscnerj4Utm/Snq7BMw OfIhANMlLiKUWNhYpw5iaF7LMLfjOivoTzBsL3FE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2443532AbgJ0AbJ (ORCPT ); Mon, 26 Oct 2020 20:31:09 -0400 Received: from mail.kernel.org ([198.145.29.99]:53010 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2409515AbgJZXvq (ORCPT ); Mon, 26 Oct 2020 19:51:46 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 725DB21D7B; Mon, 26 Oct 2020 23:51:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603756305; bh=N9AjbVwfNcg8ED2a9tBb6AQfNzeMlUm54ridBsYIR10=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=V1Y0bZaBfee7NscfSw9X/jXCPDpYk9/zCMvrDwQuD9sNwAYox41RFD0771P+fXHQt pHbsX7LA2ZjGZNXWo55KyoOI6hyyejFHt91v7dHHOd8WY5quzcWMsDux82069FCe79 wUoMzD6Gic6ZIu4rPOb1g67Ve8M3U87iAity+LfA= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Tony Lindgren , Arthur Demchenkov , Merlijn Wajer , Sebastian Reichel , Sasha Levin , linux-omap@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH AUTOSEL 5.9 130/147] ARM: dts: omap4: Fix sgx clock rate for 4430 Date: Mon, 26 Oct 2020 19:48:48 -0400 Message-Id: <20201026234905.1022767-130-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026234905.1022767-1-sashal@kernel.org> References: <20201026234905.1022767-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-omap@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 @@ abb_iva: regulator-abb-iva { 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 @@ &cpu_thermal { }; /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>; +}; -- 2.25.1