From patchwork Tue May 26 17:35:01 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guru Das Srinagesh X-Patchwork-Id: 1298278 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-pwm-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49Wh1Z6mywz9sPF for ; Wed, 27 May 2020 03:35:14 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728615AbgEZRfO (ORCPT ); Tue, 26 May 2020 13:35:14 -0400 Received: from alexa-out-sd-02.qualcomm.com ([199.106.114.39]:5422 "EHLO alexa-out-sd-02.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728064AbgEZRfO (ORCPT ); Tue, 26 May 2020 13:35:14 -0400 Received: from unknown (HELO ironmsg03-sd.qualcomm.com) ([10.53.140.143]) by alexa-out-sd-02.qualcomm.com with ESMTP; 26 May 2020 10:35:13 -0700 Received: from gurus-linux.qualcomm.com ([10.46.162.81]) by ironmsg03-sd.qualcomm.com with ESMTP; 26 May 2020 10:35:13 -0700 Received: by gurus-linux.qualcomm.com (Postfix, from userid 383780) id 28E394C97; Tue, 26 May 2020 10:35:13 -0700 (PDT) From: Guru Das Srinagesh To: linux-pwm@vger.kernel.org, Thierry Reding , =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= Cc: Subbaraman Narayanamurthy , David Collins , linux-kernel@vger.kernel.org, Joe Perches , Stephen Boyd , Lee Jones , Arnd Bergmann , Geert Uytterhoeven , Guenter Roeck , Daniel Thompson , Dan Carpenter , linux-arm-kernel@lists.infradead.org, Guru Das Srinagesh Subject: [PATCH v15 01/11] drm/i915: Use 64-bit division macro Date: Tue, 26 May 2020 10:35:01 -0700 Message-Id: <4b56ba06f4f1e63cf50858d3e45c88057dc443e4.1590514331.git.gurus@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: References: In-Reply-To: References: Sender: linux-pwm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pwm@vger.kernel.org Since the PWM framework is switching struct pwm_state.duty_cycle's datatype to u64, prepare for this transition by using DIV_ROUND_UP_ULL to handle a 64-bit dividend. Signed-off-by: Guru Das Srinagesh Reviewed-by: Jani Nikula Acked-by: Jani Nikula --- drivers/gpu/drm/i915/display/intel_panel.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_panel.c b/drivers/gpu/drm/i915/display/intel_panel.c index 276f438..81547a0 100644 --- a/drivers/gpu/drm/i915/display/intel_panel.c +++ b/drivers/gpu/drm/i915/display/intel_panel.c @@ -1920,7 +1920,7 @@ static int pwm_setup_backlight(struct intel_connector *connector, return retval; } - level = DIV_ROUND_UP(pwm_get_duty_cycle(panel->backlight.pwm) * 100, + level = DIV_ROUND_UP_ULL(pwm_get_duty_cycle(panel->backlight.pwm) * 100, CRC_PMIC_PWM_PERIOD_NS); panel->backlight.level = intel_panel_compute_brightness(connector, level);