From patchwork Thu Nov 17 16:14:02 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ville Syrjala X-Patchwork-Id: 9434489 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 72E846047D for ; Thu, 17 Nov 2016 16:14:56 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 6520029611 for ; Thu, 17 Nov 2016 16:14:56 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 59BED2961D; Thu, 17 Nov 2016 16:14:56 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id EE5E329611 for ; Thu, 17 Nov 2016 16:14:55 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 09D916E80D; Thu, 17 Nov 2016 16:14:50 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 6BE886E80A for ; Thu, 17 Nov 2016 16:14:48 +0000 (UTC) Received: from fmsmga003.fm.intel.com ([10.253.24.29]) by fmsmga103.fm.intel.com with ESMTP; 17 Nov 2016 08:14:47 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.31,506,1473145200"; d="scan'208";a="787638395" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.174]) by FMSMGA003.fm.intel.com with SMTP; 17 Nov 2016 08:14:45 -0800 Received: by stinkbox (sSMTP sendmail emulation); Thu, 17 Nov 2016 18:14:44 +0200 From: ville.syrjala@linux.intel.com To: dri-devel@lists.freedesktop.org Subject: [PATCH 03/32] drm/radeon: Use DIV_ROUND_UP() Date: Thu, 17 Nov 2016 18:14:02 +0200 Message-Id: <1479399271-31991-4-git-send-email-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1479399271-31991-1-git-send-email-ville.syrjala@linux.intel.com> References: <1479399271-31991-1-git-send-email-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Cc: Alex Deucher , Laurent Pinchart , =?UTF-8?q?Christian=20K=C3=B6nig?= X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Ville Syrjälä Use DIV_ROUND_UP() instead of hand rolling it. Just a drive-by change. Cc: Alex Deucher Cc: "Christian König" Signed-off-by: Ville Syrjälä Reviewed-by: Alex Deucher --- drivers/gpu/drm/radeon/radeon_legacy_crtc.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c index bb5346812de4..31c03e32a6b5 100644 --- a/drivers/gpu/drm/radeon/radeon_legacy_crtc.c +++ b/drivers/gpu/drm/radeon/radeon_legacy_crtc.c @@ -477,9 +477,8 @@ int radeon_crtc_do_set_base(struct drm_crtc *crtc, crtc_offset_cntl = 0; pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8); - crtc_pitch = (((pitch_pixels * target_fb->bits_per_pixel) + - ((target_fb->bits_per_pixel * 8) - 1)) / - (target_fb->bits_per_pixel * 8)); + crtc_pitch = DIV_ROUND_UP(pitch_pixels * target_fb->bits_per_pixel, + target_fb->bits_per_pixel * 8); crtc_pitch |= crtc_pitch << 16; crtc_offset_cntl |= RADEON_CRTC_GUI_TRIG_OFFSET_LEFT_EN;