From patchwork Tue Jun 11 12:04:28 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jacek Lawrynowicz X-Patchwork-Id: 13693607 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 95D30C27C75 for ; Tue, 11 Jun 2024 12:05:10 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CC3C510E5DF; Tue, 11 Jun 2024 12:05:08 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="dcSf7YhR"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 72A8A10E5F2 for ; Tue, 11 Jun 2024 12:04:55 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718107496; x=1749643496; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=pBt+W9RpQgrp8VeqIazvGMVnJkTx40lW35+ZF1U/8Rg=; b=dcSf7YhRMjVBBystOzMvoe8vESRMXUCWK2ZJclXxo+7joW2kfwe0Cb/U JlYBhHg6/LIp3rNgmJFAfXMJqvk8k6HfyYCGs8ROU6bF3Zehuc771OhCl QL+Mcom1lcl+oAa9s5FsSvp1MIM1Kl7gorxdXwv6lMyH1sThbUDNlZ44i 1Vnn7IHjO2+3M41tB73tM+MpExXXiYL7RRPp+N4IGanMzu7GDN0vbChxR dyGDZwy0Tvs7lEedCndWvm3zCEZe1tLddDGwXKNnHgF+W0rROHO3rSEUl 2S0qT7/4yeM7E2U293G4XMkn2y0/eqJT/WG6m7s0D/L99vKQBWR1WCxog A==; X-CSE-ConnectionGUID: HEgumzKrSoawQoIVAqJmGQ== X-CSE-MsgGUID: XvEi3ngfTjiSGs3S5Zy/rg== X-IronPort-AV: E=McAfee;i="6600,9927,11099"; a="32296087" X-IronPort-AV: E=Sophos;i="6.08,230,1712646000"; d="scan'208";a="32296087" Received: from orviesa006.jf.intel.com ([10.64.159.146]) by orvoesa102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2024 05:04:55 -0700 X-CSE-ConnectionGUID: uG2seLGtRGGwcS55f0rZLQ== X-CSE-MsgGUID: uQE0TIZGTlKR6V74Aqac/Q== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,230,1712646000"; d="scan'208";a="39877149" Received: from jlawryno.igk.intel.com ([10.91.220.59]) by orviesa006-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 11 Jun 2024 05:04:54 -0700 From: Jacek Lawrynowicz To: dri-devel@lists.freedesktop.org Cc: oded.gabbay@gmail.com, quic_jhugo@quicinc.com, Jacek Lawrynowicz Subject: [PATCH 11/15] accel/ivpu: Disable MMU before checking for idle Date: Tue, 11 Jun 2024 14:04:28 +0200 Message-ID: <20240611120433.1012423-12-jacek.lawrynowicz@linux.intel.com> X-Mailer: git-send-email 2.45.1 In-Reply-To: <20240611120433.1012423-1-jacek.lawrynowicz@linux.intel.com> References: <20240611120433.1012423-1-jacek.lawrynowicz@linux.intel.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" Disable MMU communication before checking if NPU is idle. NPU may otherwise be woken up when adding/removing contexts. Signed-off-by: Jacek Lawrynowicz --- drivers/accel/ivpu/ivpu_pm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/accel/ivpu/ivpu_pm.c b/drivers/accel/ivpu/ivpu_pm.c index 602fa4e65c22..e7aed16b1a36 100644 --- a/drivers/accel/ivpu/ivpu_pm.c +++ b/drivers/accel/ivpu/ivpu_pm.c @@ -245,6 +245,8 @@ int ivpu_pm_runtime_suspend_cb(struct device *dev) ivpu_dbg(vdev, PM, "Runtime suspend..\n"); + ivpu_mmu_disable(vdev); + is_idle = ivpu_hw_is_idle(vdev) || vdev->pm->dct_active_percent; if (!is_idle) ivpu_err(vdev, "NPU is not idle before autosuspend\n");