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 2F34CC2BBCA for ; Wed, 26 Jun 2024 00:39:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id E1A1510E134; Wed, 26 Jun 2024 00:39:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="auiGLLbd"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id CD83910E280 for ; Wed, 26 Jun 2024 00:38:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1719362324; x=1750898324; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=vsJMEkiHacP31VvOFZIK58kjOHuoT5yB30yEbh+0Jyk=; b=auiGLLbdI2w2sYxZNzM1ebt5G4ZVBsTwAm704OFZNsok8TvAyF2KLswg SVbgRibpP4QiyyU7LecnkrPjnUd0kmUHxFfeM2venoHaJ5tADJ6qIUYKa P1KDUQ3Q2Ln5mMONedA3PXt/CxbiLggUN/bbbsDNQMqvu2NSRu4rtZ75G 9CRqxlW+ReWMF+5S4fQeVFpqJ3vnnFza+czgKA8p6CxMNFcc/Yw7HV2+4 4iamieX32oa8yYUHjgumJtQ05bRmi20Im+k7ln4KKn/IF0uWN1Ru4dGXk I6m6uzne4tSp3EQoEM3udBjz35RbYoaF8mGWanA51BiMP8Qz2Opj5hClE A==; X-CSE-ConnectionGUID: Km4GD6XiS1+Lp/rCBS8Hsw== X-CSE-MsgGUID: B1ejskMQRfetvpj2yEed2w== X-IronPort-AV: E=McAfee;i="6700,10204,11114"; a="16238390" X-IronPort-AV: E=Sophos;i="6.08,265,1712646000"; d="scan'208";a="16238390" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2024 17:38:44 -0700 X-CSE-ConnectionGUID: QQUY5faWSmiTbtB7WzlSWg== X-CSE-MsgGUID: ZDvFvfe6Q6mGmhx/W7ZKGQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,265,1712646000"; d="scan'208";a="43629598" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa006-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Jun 2024 17:38:43 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v5 3/7] drm/xe: Add xe_exec_queue_last_fence_test_dep Date: Tue, 25 Jun 2024 17:39:16 -0700 Message-Id: <20240626003920.4060633-4-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240626003920.4060633-1-matthew.brost@intel.com> References: <20240626003920.4060633-1-matthew.brost@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" Helpful to determine if a bind can immediately use CPU or needs to be deferred a drm scheduler job. Signed-off-by: Matthew Brost --- drivers/gpu/drm/xe/xe_exec_queue.c | 23 +++++++++++++++++++++++ drivers/gpu/drm/xe/xe_exec_queue.h | 2 ++ 2 files changed, 25 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_exec_queue.c b/drivers/gpu/drm/xe/xe_exec_queue.c index 0ba37835849b..65b4d1da6c93 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.c +++ b/drivers/gpu/drm/xe/xe_exec_queue.c @@ -906,3 +906,26 @@ void xe_exec_queue_last_fence_set(struct xe_exec_queue *q, struct xe_vm *vm, xe_exec_queue_last_fence_put(q, vm); q->last_fence = dma_fence_get(fence); } + +/** + * xe_exec_queue_last_fence_test_dep - Test last fence dependency of queue + * @q: The exec queue + * @vm: The VM the engine does a bind or exec for + * + * Returns: + * 0 on success on dependency, -ETIME on dependency + */ +int xe_exec_queue_last_fence_test_dep(struct xe_exec_queue *q, struct xe_vm *vm) +{ + struct dma_fence *fence; + int err = 0; + + fence = xe_exec_queue_last_fence_get(q, vm); + if (fence) { + err = test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags) ? + 0 : -ETIME; + dma_fence_put(fence); + } + + return err; +} diff --git a/drivers/gpu/drm/xe/xe_exec_queue.h b/drivers/gpu/drm/xe/xe_exec_queue.h index 289a3a51d2a2..ded77b0f3b90 100644 --- a/drivers/gpu/drm/xe/xe_exec_queue.h +++ b/drivers/gpu/drm/xe/xe_exec_queue.h @@ -75,6 +75,8 @@ struct dma_fence *xe_exec_queue_last_fence_get(struct xe_exec_queue *e, struct xe_vm *vm); void xe_exec_queue_last_fence_set(struct xe_exec_queue *e, struct xe_vm *vm, struct dma_fence *fence); +int xe_exec_queue_last_fence_test_dep(struct xe_exec_queue *q, + struct xe_vm *vm); void xe_exec_queue_update_run_ticks(struct xe_exec_queue *q); #endif -- 2.34.1