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 D7122C27C4F for ; Tue, 18 Jun 2024 17:14:51 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 893B710E721; Tue, 18 Jun 2024 17:14:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="b0bPMkka"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.13]) by gabe.freedesktop.org (Postfix) with ESMTPS id 358B410E760 for ; Tue, 18 Jun 2024 17:14:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718730876; x=1750266876; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=vsJMEkiHacP31VvOFZIK58kjOHuoT5yB30yEbh+0Jyk=; b=b0bPMkkaeTubLQ+dEhCE4JrUmYNBBPyn4E+pbQXWwR4gHziJA7xB8i16 weAGHxVNI4Oat4JTgonEEOXzScr5rwKFqJWUNpmo9j9gIUnNXenBqVjE0 9Tmt3dq7RrlJXKeH/JTarFpOPxx5JsZZbclPPsAmMsArwiZF+3Hj1WtCG 7FaCRaR1kC2DFor36L551ThjndlBj43VuP96r1JpAVLNYszmD8GNOzHva UiicwS1p0XeH9R5kpKup/rpbBnuaAb5yn8hr6xz9JyHGfJ9AzhvcSdhW2 Td+OmT+5n4bxfyRPNpMoHdbRN8hKVAW9UTxx7xfjuLncZW9oIbO3hpF6j g==; X-CSE-ConnectionGUID: Nek60OjBREekFEFCHXK/9g== X-CSE-MsgGUID: cVcbQmBtShan5BURX96Ogg== X-IronPort-AV: E=McAfee;i="6700,10204,11107"; a="26754432" X-IronPort-AV: E=Sophos;i="6.08,247,1712646000"; d="scan'208";a="26754432" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by orvoesa105.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jun 2024 10:14:35 -0700 X-CSE-ConnectionGUID: 7sm8F5QTSO6lNKBxSm3Cag== X-CSE-MsgGUID: XLCv2vBFTkOhzloodKFE/A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,247,1712646000"; d="scan'208";a="46583654" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 18 Jun 2024 10:14:35 -0700 From: Matthew Brost To: intel-xe@lists.freedesktop.org Subject: [PATCH v4 3/7] drm/xe: Add xe_exec_queue_last_fence_test_dep Date: Tue, 18 Jun 2024 10:15:05 -0700 Message-Id: <20240618171509.3336601-4-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240618171509.3336601-1-matthew.brost@intel.com> References: <20240618171509.3336601-1-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