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 6D7BDE73158 for ; Mon, 2 Feb 2026 10:53:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E6B0610E448; Mon, 2 Feb 2026 10:53:20 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="NHgCuQP2"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.18]) by gabe.freedesktop.org (Postfix) with ESMTPS id C3ED010E43B; Mon, 2 Feb 2026 10:53:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1770029600; x=1801565600; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=AqaRnquji9DKg2cv0KwZF82vvj8XZtY3gDDTcYzJojM=; b=NHgCuQP2ZPYv3hunpzKE3oKOnlVMt03RGDx1IGNbH9+TAFF6T9PgpBGm Otmuf25TAxMptH3KsI4wMuAUq1f87aG5qGQHVL7eAzlRUVFuFYx/Y78rJ G+OcXiTP2TAM8T+MmHcCWNn/U8L1Z1zWtNl0kitz1expnV3mHcbaRGrKp aVF1ZfjPf2v4IwYDVChJ/HgqlzkxBYz+oxhkFORbVuCmUY7ulzoIlkyo0 rEKNCw8Kh1jnSV9OMyeVZnyvRKuvRhynP8H2SrdiKPTbVq8fTqXURJmiX LYMEYDvrNIjMbXKL2Wgcqhgf+TNA8RH47OD2+yDpapYhGHJtz7DSayFXX g==; X-CSE-ConnectionGUID: g/qPDTuWSYih9YK21w7NcQ== X-CSE-MsgGUID: 81XfB3HtQACGrgriDe5GQA== X-IronPort-AV: E=McAfee;i="6800,10657,11689"; a="70385005" X-IronPort-AV: E=Sophos;i="6.21,268,1763452800"; d="scan'208";a="70385005" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa112.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Feb 2026 02:53:19 -0800 X-CSE-ConnectionGUID: lr4cuylgSDqy0BrL+hT+6A== X-CSE-MsgGUID: LghSrZxxTRCjcXd/dpGmkA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,268,1763452800"; d="scan'208";a="232419759" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 02 Feb 2026 02:53:18 -0800 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org, intel-xe@lists.freedesktop.org Cc: jani.nikula@linux.intel.com, imre.deak@intel.com, Ankit Nautiyal Subject: [PATCH 03/17] drm/i915/dp: Extract helper to get the hdisplay limit Date: Mon, 2 Feb 2026 16:07:17 +0530 Message-ID: <20260202103731.357416-4-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20260202103731.357416-1-ankit.k.nautiyal@intel.com> References: <20260202103731.357416-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" Separate out function to get the hdisplay limit for a given platform. v2: Rename the helper to intel_dp_max_hdisplay_per_pipe(). (Imre) Signed-off-by: Ankit Nautiyal Reviewed-by: Imre Deak --- drivers/gpu/drm/i915/display/intel_dp.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c index c0a8ffac6312..4c3a1b6d0015 100644 --- a/drivers/gpu/drm/i915/display/intel_dp.c +++ b/drivers/gpu/drm/i915/display/intel_dp.c @@ -1371,6 +1371,12 @@ intel_dp_mode_valid_downstream(struct intel_connector *connector, return MODE_OK; } +static +int intel_dp_max_hdisplay_per_pipe(struct intel_display *display) +{ + return DISPLAY_VER(display) >= 30 ? 6144 : 5120; +} + static bool intel_dp_needs_joiner(struct intel_dp *intel_dp, struct intel_connector *connector, @@ -1378,17 +1384,14 @@ bool intel_dp_needs_joiner(struct intel_dp *intel_dp, int num_joined_pipes) { struct intel_display *display = to_intel_display(intel_dp); - int hdisplay_limit; if (!intel_dp_has_joiner(intel_dp)) return false; num_joined_pipes /= 2; - hdisplay_limit = DISPLAY_VER(display) >= 30 ? 6144 : 5120; - return clock > num_joined_pipes * display->cdclk.max_dotclk_freq || - hdisplay > num_joined_pipes * hdisplay_limit; + hdisplay > num_joined_pipes * intel_dp_max_hdisplay_per_pipe(display); } int intel_dp_num_joined_pipes(struct intel_dp *intel_dp, -- 2.45.2