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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,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 37C2CC282C8 for ; Mon, 28 Jan 2019 17:52:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 078902175B for ; Mon, 28 Jan 2019 17:52:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548697966; bh=9+xFrBKnLhnCrq8hNwyS1xybdnWKmpBli2oJfvmYdHo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=nquSqrZnthxNgqvON52QxPaicWtIp3A4kVfHvIS1XhJnTL6eT2kMW5aOGrfNwcvxO 3L67Ueo2+8eb1Wfpqs3EiTsDjJO5IsLvuD0PbfzJhfIvIAbQ4Zfg6Vj7SKRb+jeYam Ev8QuexROhjAANsNY2moQm5+RHaf1Jt5lyikCnA4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727285AbfA1Rwi (ORCPT ); Mon, 28 Jan 2019 12:52:38 -0500 Received: from mail.kernel.org ([198.145.29.99]:57006 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727044AbfA1Pnt (ORCPT ); Mon, 28 Jan 2019 10:43:49 -0500 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 160B82171F; Mon, 28 Jan 2019 15:43:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1548690228; bh=9+xFrBKnLhnCrq8hNwyS1xybdnWKmpBli2oJfvmYdHo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=i6EEbu57NY2VFeP52ZXdYAjZr1+3oSzu3Mh3K6CEgek0pfG1m5TIWCx0EzcSaHp9V dNA9aR0Mjqs51a52JPMO9D6oQRlLHiEYydELps3FwNRoCPAMg3faxNt1MZesdHJX1i w460FqP/WV9pRFVkJihbW00Wrk1Z1eCXVHqRfp5A= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jernej Skrabec , Maxime Ripard , Sasha Levin Subject: [PATCH AUTOSEL 4.20 006/304] clk: sunxi-ng: h6: Set video PLLs limits Date: Mon, 28 Jan 2019 10:38:43 -0500 Message-Id: <20190128154341.47195-6-sashal@kernel.org> X-Mailer: git-send-email 2.19.1 In-Reply-To: <20190128154341.47195-1-sashal@kernel.org> References: <20190128154341.47195-1-sashal@kernel.org> MIME-Version: 1.0 X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jernej Skrabec [ 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