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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,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 141F9C433DF for ; Thu, 18 Jun 2020 01:47:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E8BE621974 for ; Thu, 18 Jun 2020 01:47:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592444837; bh=F7uYQaFXoUEc1CvPAxLWQ3BDzMcon3LDLPeg7hbuZ6U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=FEbv/QhMfnH22C/BXyVn4hWWk+ZoFUJX/3/u0pX+86wE2LjkMRl8CxpUqrxt6hd2G fE5qc7dbIKSEm9+YLJLdVe5Ruw6WI2N675h0Lw7tqsDId99bCFsVFJdPkbeiP122GG y8AmsntenF7wLuCLc/fFZXnB6GUUvRT1vYrS82sY= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733013AbgFRBrP (ORCPT ); Wed, 17 Jun 2020 21:47:15 -0400 Received: from mail.kernel.org ([198.145.29.99]:36830 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732056AbgFRB2R (ORCPT ); Wed, 17 Jun 2020 21:28:17 -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 EDFE222200; Thu, 18 Jun 2020 01:28:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1592443696; bh=F7uYQaFXoUEc1CvPAxLWQ3BDzMcon3LDLPeg7hbuZ6U=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=RAihvH1iL4bbeOO+/nvJEmsI2IRWY7Yb8LEFzvoUbeQuAVmFQczuDXrmGSfeC7IVs ufqzeMOGspVGx9FrrLiWbJM7WLsF3ueklzR09mELw14Jf9jhYRY23BLxrPL4AyYA+1 aqHNuuW1c9D2OqI5uXOMdak2ELMXBjkBbBLFyzGY= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Jernej Skrabec , Chen-Yu Tsai , Maxime Ripard , Sasha Levin , dri-devel@lists.freedesktop.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH AUTOSEL 4.14 107/108] drm/sun4i: hdmi ddc clk: Fix size of m divider Date: Wed, 17 Jun 2020 21:25:59 -0400 Message-Id: <20200618012600.608744-107-sashal@kernel.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200618012600.608744-1-sashal@kernel.org> References: <20200618012600.608744-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Jernej Skrabec [ Upstream commit 54e1e06bcf1cf6e7ac3f86daa5f7454add24b494 ] m divider in DDC clock register is 4 bits wide. Fix that. Fixes: 9c5681011a0c ("drm/sun4i: Add HDMI support") Signed-off-by: Jernej Skrabec Reviewed-by: Chen-Yu Tsai Signed-off-by: Maxime Ripard Link: https://patchwork.freedesktop.org/patch/msgid/20200413095457.1176754-1-jernej.skrabec@siol.net Signed-off-by: Sasha Levin --- drivers/gpu/drm/sun4i/sun4i_hdmi.h | 2 +- drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi.h b/drivers/gpu/drm/sun4i/sun4i_hdmi.h index a1f8cba251a2..3d9148eb40a7 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi.h +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi.h @@ -143,7 +143,7 @@ #define SUN4I_HDMI_DDC_CMD_IMPLICIT_WRITE 3 #define SUN4I_HDMI_DDC_CLK_REG 0x528 -#define SUN4I_HDMI_DDC_CLK_M(m) (((m) & 0x7) << 3) +#define SUN4I_HDMI_DDC_CLK_M(m) (((m) & 0xf) << 3) #define SUN4I_HDMI_DDC_CLK_N(n) ((n) & 0x7) #define SUN4I_HDMI_DDC_LINE_CTRL_REG 0x540 diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c index 4692e8c345ed..58d9557a774f 100644 --- a/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c +++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_ddc_clk.c @@ -32,7 +32,7 @@ static unsigned long sun4i_ddc_calc_divider(unsigned long rate, unsigned long best_rate = 0; u8 best_m = 0, best_n = 0, _m, _n; - for (_m = 0; _m < 8; _m++) { + for (_m = 0; _m < 16; _m++) { for (_n = 0; _n < 8; _n++) { unsigned long tmp_rate; -- 2.25.1