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 1FE90C55178 for ; Tue, 27 Oct 2020 00:06:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DAE502087C for ; Tue, 27 Oct 2020 00:06:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603757167; bh=6HD5ID4ZxIhuO9EUche6iespmWMWoZz25geluMymkUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=vDfDNtQjHo5wlFS+EoaxCALwTdjvwAgPL/MVbVVBHML3ndW3/ugcW0wiC6eRHL9oi 3dxUGi5c0/TSuOQNmW7zg47hxXwxx1+W4jh3gs20U/fODGyY1cX+FCyH/v0ERYs1CR KjIaeyesqiuOjFpDAsy3WZJFprnfkVp1dRi9I6pc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2438689AbgJ0AGF (ORCPT ); Mon, 26 Oct 2020 20:06:05 -0400 Received: from mail.kernel.org ([198.145.29.99]:54212 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2438186AbgJ0AFS (ORCPT ); Mon, 26 Oct 2020 20:05:18 -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 712D120791; Tue, 27 Oct 2020 00:05:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1603757118; bh=6HD5ID4ZxIhuO9EUche6iespmWMWoZz25geluMymkUo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=k1W4j12strcXTncEBvtHM7CEKEkWeQ9w4RA8PpWZa9UnfaQ7R3IdUMyOL8NyqGcJh 3BKTkZaeERoDAG7WsZsZgt6SiJyqsgZEDKlxa3oTA4fBJcYIdsK67EfiNi+L9fz5Zb f26SqHAPjHU6uM1b/kIxP4eGQZuRMJKEghrwK7fU= 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 4.19 53/60] ARM: dts: omap4: Fix sgx clock rate for 4430 Date: Mon, 26 Oct 2020 20:04:08 -0400 Message-Id: <20201027000415.1026364-53-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201027000415.1026364-1-sashal@kernel.org> References: <20201027000415.1026364-1-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: stable@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 1a96d4317c975..8f907c235b02c 100644 --- a/arch/arm/boot/dts/omap4.dtsi +++ b/arch/arm/boot/dts/omap4.dtsi @@ -516,7 +516,7 @@ abb_iva: regulator-abb-iva { status = "disabled"; }; - target-module@56000000 { + sgx_module: target-module@56000000 { compatible = "ti,sysc-omap4", "ti,sysc"; ti,hwmods = "gpu"; reg = <0x5601fc00 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