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 C2981C25B7E for ; Tue, 28 May 2024 08:24:04 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 337FB10E205; Tue, 28 May 2024 08:24:03 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="mZ+eckjK"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 82BA510E205 for ; Tue, 28 May 2024 08:24:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1716884642; x=1748420642; h=from:to:subject:date:message-id:mime-version: content-transfer-encoding; bh=jVTIGBDsI18PmcFpciuGtyZHh5jUbVEzM6SQZaYTESo=; b=mZ+eckjKnNq1ZpNFWC+53rVUtJJaPWQ39iNLC6bO/4uCl9P+SHCLRVBj Mumofgq0aEgP6lc3hrTCDarDorF74z3yLZvoTBfZK7SQnv9q6NBrhewIC I6irM0PNNvVGAC5BqnKF69AxocHC3FsrJ54pj4f90XXdobViV9qNLGaIP KbqEGWOGXXhU/yuAHbP7k9Jp9N6JieyynaSAWVDrEcwTd6zfXwnLcsv0W 0B/ragcxbHPcAC0j78W6qbxEmqr+FWgtQfe5mYf2xSD5HPDceTzZMREFn zDwgQwNRZbcsBIbs4nduGUqU/WtqqHH+escLfDp0G8/3MSwb8qPFAyh2T A==; X-CSE-ConnectionGUID: BVkwBh57R8uM/Std3A2YkA== X-CSE-MsgGUID: W2abStADSp2ydv6Bae9hbA== X-IronPort-AV: E=McAfee;i="6600,9927,11085"; a="35729775" X-IronPort-AV: E=Sophos;i="6.08,194,1712646000"; d="scan'208";a="35729775" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 28 May 2024 01:24:00 -0700 X-CSE-ConnectionGUID: y/MqRbwsSh6uDS59RK4qoQ== X-CSE-MsgGUID: +XyZ5U9BS/aRBwWFHxpY8Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,194,1712646000"; d="scan'208";a="34978384" Received: from mgolanimitul-x299-ud4-pro.iind.intel.com ([10.190.239.114]) by fmviesa008.fm.intel.com with ESMTP; 28 May 2024 01:23:59 -0700 From: Mitul Golani To: intel-gfx@lists.freedesktop.org Subject: [PATCH v1 0/1] WA for Re-initialize dispcnlunitt1 xosc clock Date: Tue, 28 May 2024 13:48:20 +0530 Message-Id: <20240528081821.2809508-1-mitulkumar.ajitkumar.golani@intel.com> X-Mailer: git-send-email 2.25.1 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" The dispcnlunit1_cp_xosc_clk should be de-asserted in display off and only asserted in display on. But during observation it found clk remains active in display OFF. As workaround, Display driver shall execute set-reset sequence at the end of the Initialize Sequence. Wa_15013987218 Mitul Golani (1): drm/i915/display: WA for Re-initialize dispcnlunitt1 xosc clock drivers/gpu/drm/i915/display/intel_display_power.c | 8 ++++++++ 1 file changed, 8 insertions(+) -- 2.25.1