From patchwork Mon Sep 23 18:13:25 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nautiyal, Ankit K" X-Patchwork-Id: 13809870 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 313FFCF9C6F for ; Mon, 23 Sep 2024 18:11:57 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CBC2510E456; Mon, 23 Sep 2024 18:11:56 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ivy9yI0V"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id A594D10E454; Mon, 23 Sep 2024 18:11:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1727115115; x=1758651115; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=N92MVp69nFNrAkFHkbQm4bXbH6CqqR7WLKA+fpIW7Xo=; b=ivy9yI0VsVvqUqov2Jhi/s3NnKVmXw8GLl9394C1qFnKL7kJDORhoMpA h6CofOuWTP5nbsh9N4dv5JUpNvN3+qPRegURz9alfVZ2e1R4IcTJf4/L/ sez+peDHLNMx55A47uwfchv79vqBHxsQaFiA7VugBdi3gGJzXTHoLY4e3 w3zz+7FgRhaeJoWm+DT3T1oW9qvkFtCHdRXNOIbxdzeu+zPtwEwxy7K37 4xKjV700cGDxMJsLZgxIyWJ52Ts5ehdKNslP4UJdD4wI2NG3e3Kdietnc 6eBQmnqJDXxSqR/++3Ipi8nmVhQzxs9jjJqAe2RMi0MWLP1E9jWpRWntA g==; X-CSE-ConnectionGUID: JEVHSHXYSjSKmY9KxRgdJw== X-CSE-MsgGUID: 4jpiFChJS9WDPg7B09lUmQ== X-IronPort-AV: E=McAfee;i="6700,10204,11204"; a="29866215" X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="29866215" 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 11:11:54 -0700 X-CSE-ConnectionGUID: KWmpH94yTcKVLXKiy/EAWg== X-CSE-MsgGUID: LpGnxWodQ1y7Cd1IzkqOBA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.10,252,1719903600"; d="scan'208";a="70734281" 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 11:11:52 -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 05/16] drm/i915/display: Add debugfs support to avoid joiner Date: Mon, 23 Sep 2024 23:43:25 +0530 Message-ID: <20240923181336.3303940-6-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" Currently debugfs for joiner can take a value of 0->dont care and 2->join 2 pipes. Add option to force to use only 1 pipe. If debugfs is set to 1, force to exactly one pipe (ie. no joiner despite what the automagic logic is saying). Signed-off-by: Ankit Nautiyal --- drivers/gpu/drm/i915/display/intel_display_debugfs.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_display_debugfs.c b/drivers/gpu/drm/i915/display/intel_display_debugfs.c index 80c499d642dc..af164e340cb3 100644 --- a/drivers/gpu/drm/i915/display/intel_display_debugfs.c +++ b/drivers/gpu/drm/i915/display/intel_display_debugfs.c @@ -1344,6 +1344,8 @@ static ssize_t i915_joiner_write(struct file *file, switch (force_joined_pipes) { case 0: break; + case 1: + fallthrough; case 2: connector->force_joined_pipes = force_joined_pipes; break;