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 08594C27C6E for ; Thu, 13 Jun 2024 15:22:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id A3C2010EAC2; Thu, 13 Jun 2024 15:22:16 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="lyl9Jhbx"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8CC7510EAE4 for ; Thu, 13 Jun 2024 15:20:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1718292046; x=1749828046; h=from:to:subject:date:message-id:in-reply-to:references: mime-version:content-transfer-encoding; bh=EzLfd4+G92QB3jZd+UOrLcq9tvY+B/2b+7VOHkEaPxA=; b=lyl9Jhbx6EuUfdi6fdP+3ZelZNqr3GWR7HDVZ7L2gprRgDbDrI4LGlWn +vkj+mO3IaW1dMqGRpONDSyKjr/2pzdV25xwL1GzWBzwG4+zswZkBBtdd Zrtvb5BzcO1gHPm93JUOVGmoGdHxZ/iUMnmn4idzZ0EnWKzwdRQ3NxwmG 3eWOTkshyBDKUlA36d2JXCEiJDX4Z4/8qSK0EOUB3t+2+c+kPlEDBG1Ui 7qF0XKKfjPpWIQ61oJAWb3F1TArBHcVKdBjCQSjZZtgMSywIhPiV45QV+ abo9HP61+IEOqQMuW4QMtKE7HF1sViy/FHVzZqiq2BEQXcHkotshZLayc Q==; X-CSE-ConnectionGUID: idI09p5rSFeQfgpQ90TEZg== X-CSE-MsgGUID: SeoFoYBcRfWooxJTv5nPQA== X-IronPort-AV: E=McAfee;i="6700,10204,11102"; a="15348671" X-IronPort-AV: E=Sophos;i="6.08,235,1712646000"; d="scan'208";a="15348671" Received: from fmviesa008.fm.intel.com ([10.60.135.148]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jun 2024 08:20:43 -0700 X-CSE-ConnectionGUID: Ro+YDlReQDiAnM7J3q8o1Q== X-CSE-MsgGUID: 2HYJX07PRnum1yFhLpbIcw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,235,1712646000"; d="scan'208";a="40135126" Received: from szeng-desk.jf.intel.com ([10.165.21.149]) by fmviesa008-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Jun 2024 08:20:43 -0700 From: Oak Zeng To: intel-xe@lists.freedesktop.org Subject: [CI 37/42] drm/xe/svm: Register xe memory region to drm layer Date: Thu, 13 Jun 2024 11:31:23 -0400 Message-Id: <20240613153128.681864-37-oak.zeng@intel.com> X-Mailer: git-send-email 2.26.3 In-Reply-To: <20240613153128.681864-1-oak.zeng@intel.com> References: <20240613153128.681864-1-oak.zeng@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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" Register xe memory region to drm layer for SVM purpose. This will essentially create struct page backing for xe device memory, which will be used by SVM functions. Cc: Thomas Hellström Cc: Matthew Brost Cc: Brian Welty Cc: Himal Prasad Ghimiray Signed-off-by: Oak Zeng --- drivers/gpu/drm/xe/xe_tile.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_tile.c b/drivers/gpu/drm/xe/xe_tile.c index 109f3118e821..6c50df281b11 100644 --- a/drivers/gpu/drm/xe/xe_tile.c +++ b/drivers/gpu/drm/xe/xe_tile.c @@ -3,7 +3,9 @@ * Copyright © 2023 Intel Corporation */ +#include #include +#include #include "xe_device.h" #include "xe_ggtt.h" @@ -14,6 +16,7 @@ #include "xe_tile_sysfs.h" #include "xe_ttm_vram_mgr.h" #include "xe_wa.h" +#include "xe_svm.h" /** * DOC: Multi-tile Design @@ -142,6 +145,15 @@ static int tile_ttm_mgr_init(struct xe_tile *tile) return 0; } +static void __init_drm_mem_region_ops(struct drm_mem_region_ops *ops) +{ + ops->drm_mem_region_alloc_pages = &xe_svm_alloc_pages; + ops->drm_mem_region_free_page = &xe_svm_free_page; + ops->drm_mem_region_migrate = &xe_svm_migrate; + ops->drm_mem_region_pagemap_owner = &xe_svm_mem_region_to_pagemap_owner; + ops->drm_mem_region_get_device = &xe_mem_region_to_device; +} + /** * xe_tile_init_noalloc - Init tile up to the point where allocations can happen. * @tile: The tile to initialize. @@ -159,6 +171,8 @@ static int tile_ttm_mgr_init(struct xe_tile *tile) int xe_tile_init_noalloc(struct xe_tile *tile) { int err; + struct xe_device *xe = tile_to_xe(tile); + struct drm_device *drm = &xe->drm; err = tile_ttm_mgr_init(tile); if (err) @@ -172,6 +186,11 @@ int xe_tile_init_noalloc(struct xe_tile *tile) err = xe_tile_sysfs_init(tile); + if (xe->info.has_usm) { + __init_drm_mem_region_ops(&tile->mem.vram.drm_mr.mr_ops); + drm_svm_register_mem_region(drm, &tile->mem.vram.drm_mr, MEMORY_DEVICE_PRIVATE); + } + return 0; } -- 2.26.3