From patchwork Mon Sep 23 18:13:36 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Ankit Nautiyal X-Patchwork-Id: 13809880 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 579E5CF9C6F for ; Mon, 23 Sep 2024 18:12:16 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0248210E464; Mon, 23 Sep 2024 18:12:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="PH+BT1tS"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id EA66B10E461; Mon, 23 Sep 2024 18:12:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727115135; x=1758651135; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=5pzAvT+xYaGvx9VLhAPsVJ7DmO1QegoR+fanhPKP3E0=; b=PH+BT1tSzAnLK1Y/EF6hA7oo5PimoN7pKQfz9iSRDmx32bMN77QbIKK5 qeq1pF7gafOtckN/AYEMdInCtJ4Vpv348f92yGPO7YuBMxAofudD3YrRr T/Rbr4h8zcyfscIm3rQDYjWdoT3PPdq6ihExAUifWT45lr+VnK20y5gw4 Vn/EtBL2gjSCxlQhw3G3DttM6aI0Vqaz4I+dqYSuNZuL6mbapSqHyr6Cl QzFLST7YvnrWyNZd9/t4JJmp0F080WwyuTp3P51+CtOWcQOIFR3CtGkCa i867U6Na5QgfQHqkLDLI/YObrPi29+BgkIYPIFiwduoo9frQ6bGbJncqQ g==; X-CSE-ConnectionGUID: 1b+UmuVORquxog29yekxdg== X-CSE-MsgGUID: fyIm6qUGSICiQi+qRqk0PQ== X-IronPort-AV: E=McAfee;i="6700,10204,11204"; a="29866359" X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="29866359" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2024 11:12:13 -0700 X-CSE-ConnectionGUID: pIyf53YETcCklNK6uEgbmg== X-CSE-MsgGUID: EQRYR8m3SsWrjBx58qmWRg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="70734484" Received: from srr4-3-linux-103-aknautiy.iind.intel.com ([10.223.34.160]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Sep 2024 11:12:12 -0700 From: Ankit Nautiyal To: intel-gfx@lists.freedesktop.org Cc: intel-xe@lists.freedesktop.org, suraj.kandpal@intel.com, ville.syrjala@linux.intel.com Subject: [PATCH 16/16] drm/i915/intel_dp: Add support for forcing ultrajoiner Date: Mon, 23 Sep 2024 23:43:36 +0530 Message-ID: <20240923181336.3303940-17-ankit.k.nautiyal@intel.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240923181336.3303940-1-ankit.k.nautiyal@intel.com> References: <20240923181336.3303940-1-ankit.k.nautiyal@intel.com> MIME-Version: 1.0 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" Allow forcing ultrajoiner through debugfs. v2: Minor refactoring of switch case logic. (Ville) Signed-off-by: Ankit Nautiyal Reviewed-by: Suraj Kandpal Reviewed-by: Ville Syrjälä --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index af164e340cb3..01ddebc61944 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -1331,6 +1331,7 @@ static ssize_t i915_joiner_write(struct file *file, { struct seq_file *m = file->private_data; struct intel_connector *connector = m->private; + struct drm_i915_private *i915 = to_i915(connector->base.dev); int force_joined_pipes = 0; int ret; @@ -1349,6 +1350,13 @@ static ssize_t i915_joiner_write(struct file *file, case 2: connector->force_joined_pipes = force_joined_pipes; break; + case 4: + if (HAS_ULTRAJOINER(i915)) { + connector->force_joined_pipes = force_joined_pipes; + break; + } + + fallthrough; default: return -EINVAL; }