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 B4304FEFB6A for ; Fri, 27 Feb 2026 17:03:26 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 73AE110EBD5; Fri, 27 Feb 2026 17:03:26 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ZL5KlPXO"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.21]) by gabe.freedesktop.org (Postfix) with ESMTPS id 418CA10EBD4 for ; Fri, 27 Feb 2026 17:03:24 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1772211805; x=1803747805; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=qpl4R5kDNPJbRaJ8YMnfR4u3NLnkptle8O0+SYeoqTE=; b=ZL5KlPXOGiV7vhGTCR0CM/jzQoPk81wMA0qRD3lSG0XvIMoPRi/NIvjR hTx88lJlqukw/SNRq0d6GNSPTj9+W58vtoLb4CSn4GOH3H5+BWI/V3+DM h6OX0zo0ju1esARrLNVy4/+HimhngzmkOM24kcYS14wRg5dtckKD7vHn/ gvHzYNd3GbLX50k74PJoShETc00pv4EczB9P50+M6oPW3OsKvEmw4Xj4J E1ZXBaHLuMTVlHn7c6KsAmyk7LWQAIpaE712GKvAZrUhpQ8k64hA+qPao lLTT27KzLlOEx8yQqASJRKfz03L/kU1bTcdwt2xpohP8ajuAQArnVuwIg w==; X-CSE-ConnectionGUID: neGfsvh2ShK+066hb/XBcw== X-CSE-MsgGUID: ikgLaQTKT+WTzXRNujGebw== X-IronPort-AV: E=McAfee;i="6800,10657,11714"; a="73169904" X-IronPort-AV: E=Sophos;i="6.21,314,1763452800"; d="scan'208";a="73169904" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa113.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Feb 2026 09:03:25 -0800 X-CSE-ConnectionGUID: 1rzlTUIVQeS9THMZ7+me7A== X-CSE-MsgGUID: AWCiyQjvQTaYVHM3QXJcLQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,314,1763452800"; d="scan'208";a="216964711" Received: from jraag-z790m-itx-wifi.iind.intel.com ([10.190.239.23]) by orviesa008.jf.intel.com with ESMTP; 27 Feb 2026 09:03:21 -0800 From: Raag Jadav To: intel-xe@lists.freedesktop.org Cc: matthew.brost@intel.com, rodrigo.vivi@intel.com, thomas.hellstrom@linux.intel.com, riana.tauro@intel.com, michal.wajdeczko@intel.com, matthew.d.roper@intel.com, michal.winiarski@intel.com, matthew.auld@intel.com, maarten@lankhorst.se, Raag Jadav Subject: [PATCH v2 3/9] drm/xe/irq: Introduce xe_irq_disable() Date: Fri, 27 Feb 2026 22:30:43 +0530 Message-ID: <20260227170049.3418863-4-raag.jadav@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260227170049.3418863-1-raag.jadav@intel.com> References: <20260227170049.3418863-1-raag.jadav@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: intel-xe@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Intel Xe graphics driver List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-xe-bounces@lists.freedesktop.org Sender: "Intel-xe" In preparation of usecases which require disabling interrupts before PCIe FLR, introduce xe_irq_disable() helper. With this we avoid any side-effects of unwarranted irqs. Signed-off-by: Raag Jadav --- v2: Add kernel doc (Matthew Brost) --- drivers/gpu/drm/xe/xe_irq.c | 13 ++++++++++++- drivers/gpu/drm/xe/xe_irq.h | 1 + 2 files changed, 13 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_irq.c b/drivers/gpu/drm/xe/xe_irq.c index 9e49e2241da4..e9f0b3cad06d 100644 --- a/drivers/gpu/drm/xe/xe_irq.c +++ b/drivers/gpu/drm/xe/xe_irq.c @@ -843,7 +843,13 @@ static void xe_irq_msi_synchronize_irq(struct xe_device *xe) synchronize_irq(to_pci_dev(xe->drm.dev)->irq); } -void xe_irq_suspend(struct xe_device *xe) +/** + * xe_irq_disable() - Disable irqs + * @xe: xe device instance + * + * Synchronize pending irqs and disable them. + */ +void xe_irq_disable(struct xe_device *xe) { atomic_set(&xe->irq.enabled, 0); /* no new irqs */ @@ -852,6 +858,11 @@ void xe_irq_suspend(struct xe_device *xe) xe_irq_msix_synchronize_irq(xe); else xe_irq_msi_synchronize_irq(xe); +} + +void xe_irq_suspend(struct xe_device *xe) +{ + xe_irq_disable(xe); xe_irq_reset(xe); /* turn irqs off */ } diff --git a/drivers/gpu/drm/xe/xe_irq.h b/drivers/gpu/drm/xe/xe_irq.h index a28bd577ba52..abda0592a105 100644 --- a/drivers/gpu/drm/xe/xe_irq.h +++ b/drivers/gpu/drm/xe/xe_irq.h @@ -14,6 +14,7 @@ struct xe_device; struct xe_tile; struct xe_gt; +void xe_irq_disable(struct xe_device *xe); int xe_irq_init(struct xe_device *xe); int xe_irq_install(struct xe_device *xe); void xe_irq_suspend(struct xe_device *xe); -- 2.43.0