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 DC864C63697 for ; Mon, 26 Oct 2020 23:56:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 9E3B42224A for ; Mon, 26 Oct 2020 23:56:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603756602; bh=5V+eTn6lLblc3KMfvtQbXtyNE3BrVMaY/HCEvHE+meY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=10wk5bPeeDUiznk15V6Ln3SUqlVOCv3utV9z+ceGS+aU9vXAZL04uFZ4Tv24pR2Tb 7bryipwxaNT5T5rhC/a+F4Bg3xXcf6kmedM85JfEgia6+fiijc06qV7e9qkZSLuQmT rYKvOulaW9fXA4OHcvKnqN8T9o3EBzXkLSSuLJ4I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2436566AbgJZX4l (ORCPT ); Mon, 26 Oct 2020 19:56:41 -0400 Received: from mail.kernel.org ([198.145.29.99]:60596 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2410499AbgJZXyh (ORCPT ); Mon, 26 Oct 2020 19:54:37 -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 6F9E02151B; Mon, 26 Oct 2020 23:54:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603756476; bh=5V+eTn6lLblc3KMfvtQbXtyNE3BrVMaY/HCEvHE+meY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IFiiYyE5ENRs+QV8U4RmAxc4O0NVyyOsQM+Ivxvaesw2YpmjPrWkhGGhea7E4EsIk esZbPNsfS1qkx5nHciibL/0GoT41monwP3yq47xoDUL2Q+Vkkcpak/lP9rQrigS6dl YDHsvJnbejwqUW+kwlZxVjj6miyvsBxK31aqbOiY= 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 5.8 121/132] ARM: dts: omap4: Fix sgx clock rate for 4430 Date: Mon, 26 Oct 2020 19:51:53 -0400 Message-Id: <20201026235205.1023962-121-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201026235205.1023962-1-sashal@kernel.org> References: <20201026235205.1023962-1-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 4400f5f8e0992..a70c50edd764b 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -389,7 +389,7 @@ 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 cbcdcb4e7d1c2..86b9caf461dfa 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