From patchwork Wed Jan 29 19:52:10 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Matthew Brost X-Patchwork-Id: 13954066 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 BFA1BC02193 for ; Wed, 29 Jan 2025 19:51:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5F7CE10E8BA; Wed, 29 Jan 2025 19:51:29 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="EvLmRr8d"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.10]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9B96510E8A8; Wed, 29 Jan 2025 19:51:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1738180287; x=1769716287; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=f+6woZYxCOH476YsHS5xsQnuMPav1zGuXaWAqfYbbZ8=; b=EvLmRr8dHzkQL1vU4YNnqjcpGDhMMJp4jaoFZ4KpO2z/2RRUsOritpdz EoXhRaBEPE8VjQn1iMbYLfQfHmLDiK86wW4ILfYQxQxqS+p1xJZaXS9nw BE6vq60Si/fG9OAPmnv5uk7mf8GXdcxmdpwfLXIOWgu0GW0Rbymdisw4M bEr5kYFxm3JTTJNXmQVM8Qf7CXpDbMDBiYsC5mRhFsLLjELnfqmfO89zL QD2rux7kZtQzkuh5p4Cmqu2FuJhMSSuIIRaOLs8L2/DiGmjErHgmYup6C Jwe73X5MZu66VykDhrZyYrVqdtngbvkJn6k5l6tZCW9aguap5sctefBMX Q==; X-CSE-ConnectionGUID: DA6bY7VeTrSIDHokBPZYlw== X-CSE-MsgGUID: xiH9gz8jQEKxlR20ugMa6Q== X-IronPort-AV: E=McAfee;i="6700,10204,11314"; a="50132896" X-IronPort-AV: E=Sophos;i="6.12,310,1728975600"; d="scan'208";a="50132896" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by fmvoesa104.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2025 11:51:26 -0800 X-CSE-ConnectionGUID: hDEQhofeQ82XfNUgocjnwA== X-CSE-MsgGUID: OFsrXDNbSSa9jPFc8QU6mQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.12,224,1728975600"; d="scan'208";a="132392204" Received: from lstrano-desk.jf.intel.com ([10.54.39.91]) by fmviesa002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 29 Jan 2025 11:51:26 -0800 From: Matthew Brost To: intel-xe@lists.freedesktop.org, dri-devel@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, apopple@nvidia.com, airlied@gmail.com, thomas.hellstrom@linux.intel.com, simona.vetter@ffwll.ch, felix.kuehling@amd.com, dakr@kernel.org Subject: [PATCH v4 31/33] drm/xe: Add modparam for SVM notifier size Date: Wed, 29 Jan 2025 11:52:10 -0800 Message-Id: <20250129195212.745731-32-matthew.brost@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250129195212.745731-1-matthew.brost@intel.com> References: <20250129195212.745731-1-matthew.brost@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" Useful to experiment with notifier size and how it affects performance. v3: - Pull missing changes including in following patch (Thomas) Signed-off-by: Matthew Brost Reviewed-by: Thomas Hellström --- drivers/gpu/drm/xe/xe_module.c | 4 ++++ drivers/gpu/drm/xe/xe_module.h | 1 + drivers/gpu/drm/xe/xe_svm.c | 4 +++- 3 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_module.c b/drivers/gpu/drm/xe/xe_module.c index 0f2c20e9204a..2126e99ede01 100644 --- a/drivers/gpu/drm/xe/xe_module.c +++ b/drivers/gpu/drm/xe/xe_module.c @@ -25,9 +25,13 @@ struct xe_modparam xe_modparam = { .max_vfs = IS_ENABLED(CONFIG_DRM_XE_DEBUG) ? ~0 : 0, #endif .wedged_mode = 1, + .svm_notifier_size = 512, /* the rest are 0 by default */ }; +module_param_named(svm_notifier_size, xe_modparam.svm_notifier_size, uint, 0600); +MODULE_PARM_DESC(svm_notifier_size, "Set the svm notifier size(in MiB), must be pow2"); + module_param_named_unsafe(force_execlist, xe_modparam.force_execlist, bool, 0444); MODULE_PARM_DESC(force_execlist, "Force Execlist submission"); diff --git a/drivers/gpu/drm/xe/xe_module.h b/drivers/gpu/drm/xe/xe_module.h index 161a5e6f717f..5a3bfea8b7b4 100644 --- a/drivers/gpu/drm/xe/xe_module.h +++ b/drivers/gpu/drm/xe/xe_module.h @@ -22,6 +22,7 @@ struct xe_modparam { unsigned int max_vfs; #endif int wedged_mode; + u32 svm_notifier_size; }; extern struct xe_modparam xe_modparam; diff --git a/drivers/gpu/drm/xe/xe_svm.c b/drivers/gpu/drm/xe/xe_svm.c index 0df924ca8ed1..f291b2eb2073 100644 --- a/drivers/gpu/drm/xe/xe_svm.c +++ b/drivers/gpu/drm/xe/xe_svm.c @@ -6,6 +6,7 @@ #include "xe_bo.h" #include "xe_gt_tlb_invalidation.h" #include "xe_migrate.h" +#include "xe_module.h" #include "xe_pt.h" #include "xe_svm.h" #include "xe_ttm_vram_mgr.h" @@ -596,7 +597,8 @@ int xe_svm_init(struct xe_vm *vm) err = drm_gpusvm_init(&vm->svm.gpusvm, "Xe SVM", &vm->xe->drm, current->mm, xe_svm_devm_owner(vm->xe), 0, - vm->size, SZ_512M, &gpusvm_ops, fault_chunk_sizes, + vm->size, xe_modparam.svm_notifier_size * SZ_1M, + &gpusvm_ops, fault_chunk_sizes, ARRAY_SIZE(fault_chunk_sizes)); if (err) return err;