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=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 C0CC8C169C4 for ; Mon, 11 Feb 2019 16:14:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8985021B1C for ; Mon, 11 Feb 2019 16:14:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549901692; bh=MWuz8As0fElrjSqDzMxgqYltaiWXMlwVlmGeAtuAt7Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=X2myPFspQ9Ke6xHETafBBD18y5DrpoB+TKWYMlwbr5QpU2Q5Epf80oRsKbgC7Z0FV 4eVeB3Y3INA7RF4JxqdgRqkKrn7jW95+Y6sS32obqeHZOh1A2WmPaXXR2YYWbkJ9tY Ye6zBY0/xkgFNl0dnPjKrXKEblMmXYtBz9XsDpTE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728466AbfBKOVH (ORCPT ); Mon, 11 Feb 2019 09:21:07 -0500 Received: from mail.kernel.org ([198.145.29.99]:53940 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728459AbfBKOVG (ORCPT ); Mon, 11 Feb 2019 09:21:06 -0500 Received: from localhost (5356596B.cm-6-7b.dynamic.ziggo.nl [83.86.89.107]) (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 8B50120838; Mon, 11 Feb 2019 14:21:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1549894866; bh=MWuz8As0fElrjSqDzMxgqYltaiWXMlwVlmGeAtuAt7Y=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=VNgOTDTb6T2sIzuulpHa9UNPZGOqsqv0NP3xwBKzai7BL0hHo7t62BimiH69YxP51 Lk/c56QRX7GEvmQtyHi9Pk5q5iHcBJ7M39W2FUadz1kWXa7sVPr+vXq2XTr0YO2W2W a0rSZz6LcenfdS2DScklZNXE22DM+rWz3GlTle00= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Jernej Skrabec , Maxime Ripard , Sasha Levin Subject: [PATCH 4.20 006/352] clk: sunxi-ng: h6: Set video PLLs limits Date: Mon, 11 Feb 2019 15:13:53 +0100 Message-Id: <20190211141846.888888662@linuxfoundation.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190211141846.543045703@linuxfoundation.org> References: <20190211141846.543045703@linuxfoundation.org> User-Agent: quilt/0.65 X-stable: review X-Patchwork-Hint: ignore MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org 4.20-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit ed4433419d45bf8b58aef34c4450a27e1c8699e8 ] Video PLL factors can be set in a way that final PLL rate is outside stable range. H6 user manual specifically says that N factor should not be below 12. While it doesn't says anything about maximum stable rate, it is clear that PLL doesn't work at 6.096 GHz (254 * 24 MHz). Set minimum allowed PLL video rate to 288 MHz (12 * 24 MHz) and maximum to 2.4 GHz, which is maximum in BSP driver. Signed-off-by: Jernej Skrabec Signed-off-by: Maxime Ripard Signed-off-by: Sasha Levin --- drivers/clk/sunxi-ng/ccu-sun50i-h6.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c index 2193e1495086..19ff09f610e4 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c @@ -120,6 +120,8 @@ static struct ccu_nm pll_video0_clk = { .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ .fixed_post_div = 4, + .min_rate = 288000000, + .max_rate = 2400000000UL, .common = { .reg = 0x040, .features = CCU_FEATURE_FIXED_POSTDIV, @@ -136,6 +138,8 @@ static struct ccu_nm pll_video1_clk = { .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ .fixed_post_div = 4, + .min_rate = 288000000, + .max_rate = 2400000000UL, .common = { .reg = 0x048, .features = CCU_FEATURE_FIXED_POSTDIV, -- 2.19.1