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 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 84A76C27C53 for ; Wed, 12 Jun 2024 06:29:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B185610E285; Wed, 12 Jun 2024 06:29:18 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="QAvEJEkO"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.15]) by gabe.freedesktop.org (Postfix) with ESMTPS id 5166310E285 for ; Wed, 12 Jun 2024 06:29:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718173756; x=1749709756; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=g/DTyUpuyruLw81xOHOolYKXPYQPIls5uUGjWaebvhE=; b=QAvEJEkOktKBao9j2w6skwUYUxWwiqmLUDN5peWsg7WuC0YqGe5nf3YU WQR5HgveWVL0iUqSGrgxsb1+B1DXGWGDpv0+9VkRoXT1o35BmjTYrL/mf iW8LDM70BQDVhnISY8wnFOTKDKpCgdBqf8Amy9iw7AsXAYOvPyF86qSAR 4AiBvmfpWxRw1ftVOZ0e2UOhff1D3M+FEvqlJZXDpA/gzJNFR+fsTr5ek emWJFAk7i1cJBWNWqzNbJdhRsg5eeLuxYw16w9LdCHruGWOIGE9wmvT8l sAf46U9dUjDXnB7lSAkQGdyd+xzxwvtTm3LFp6oiSkjSm6EjfFc6didJe Q==; X-CSE-ConnectionGUID: VkVlKiaxRFaz3K6vjwNRNA== X-CSE-MsgGUID: UV8CVXEKQ5SNjhi7aEwGzQ== X-IronPort-AV: E=McAfee;i="6600,9927,11100"; a="18699657" X-IronPort-AV: E=Sophos;i="6.08,232,1712646000"; d="scan'208";a="18699657" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa107.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2024 23:29:16 -0700 X-CSE-ConnectionGUID: LElkjQhwR1CojdllCTpeUw== X-CSE-MsgGUID: u2Z142/TSb63TvCz5s1f9g== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,232,1712646000"; d="scan'208";a="39612487" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by orviesa010.jf.intel.com with ESMTP; 11 Jun 2024 23:29:15 -0700 From: Mitul Golani To: intel-xe@lists.freedesktop.org Subject: [PATCH] drm/i915/display: Update vtotal math to address 32b build Date: Wed, 12 Jun 2024 11:59:25 +0530 Message-ID: <20240612062925.271213-1-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" Fix vtotal division calculation which works for 32b systems. Fixes: 1676ecd303ac ("drm/i915: Compute CMRR and calculate vtotal") Cc: Mitul Golani Cc: Ankit Nautiyal Cc: Suraj Kandpal Cc: Jani Nikula Signed-off-by: Mitul Golani --- drivers/gpu/drm/i915/display/intel_vrr.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/display/intel_vrr.c b/drivers/gpu/drm/i915/display/intel_vrr.c index 05f67dc9d98d..1e37383e14e7 100644 --- a/drivers/gpu/drm/i915/display/intel_vrr.c +++ b/drivers/gpu/drm/i915/display/intel_vrr.c @@ -149,7 +149,8 @@ cmrr_get_vtotal(struct intel_crtc_state *crtc_state, bool video_mode_required) crtc_state->cmrr.cmrr_n = desired_refresh_rate * adjusted_mode->crtc_htotal * multiplier_n; - vtotal = (adjusted_mode->crtc_clock * 1000 * multiplier_n) / crtc_state->cmrr.cmrr_n; + vtotal = DIV_ROUND_UP_ULL(adjusted_mode->crtc_clock * 1000 * multiplier_n, + crtc_state->cmrr.cmrr_n); adjusted_pixel_rate = adjusted_mode->crtc_clock * 1000 * multiplier_m; crtc_state->cmrr.cmrr_m = do_div(adjusted_pixel_rate, crtc_state->cmrr.cmrr_n); -- 2.45.2