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 8D776C43458 for ; Sun, 12 Jul 2026 11:15:02 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3F6C210E439; Sun, 12 Jul 2026 11:15:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="HnwzHI0V"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.19]) by gabe.freedesktop.org (Postfix) with ESMTPS id 11E7910E439 for ; Sun, 12 Jul 2026 11:14:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1783854898; x=1815390898; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=H6GkALYfOGnR4iZN/3XDrpcXZJ94LvNypr9bSfLCNJY=; b=HnwzHI0VYQoEAiCoAs0TzcEYTQmMAAwmRXdwKQTc9BUetuyw6juMuvGK pR49czqTM0ErnA702+rQ0p34EJZCn09FeXdd+48BpXvvlqgp+Xo9c5qD1 HHAbMvST9/RBTyOrgAU88cMiqMCT1b+YueBussha4CjoxLf5SoT49+2O4 IJrw5U3bj/ZUWCpraskOjNEVGFXaH93Zfd/VnqxY7lWGTkPsfo28JVAL/ qAsM5+HGf5iILZOvSmfQB9D3doAjXE4lKmOKH+dKnoo+bZxuWf2UrIfkh zyPlDBzksVU1kL3NgWRwJuoOynuyhtcSX/jlGbTdqOUl01pZaGpjs5etx A==; X-CSE-ConnectionGUID: XFENjZ9TSS6PaJSTYpMX1w== X-CSE-MsgGUID: FZQI7qy+SuizOiCSQbZbRg== X-IronPort-AV: E=McAfee;i="6800,10657,11841"; a="84457638" X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="84457638" Received: from orviesa007.jf.intel.com ([10.64.159.147]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2026 04:14:58 -0700 X-CSE-ConnectionGUID: sPf4PFi/TLuADu3ixvqpAw== X-CSE-MsgGUID: XtzYxf/XSMKJlyz+XYNDkQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,154,1779174000"; d="scan'208";a="255367736" Received: from gfx-coremm-kmd15.iind.intel.com ([10.223.55.8]) by orviesa007.jf.intel.com with ESMTP; 12 Jul 2026 04:14:57 -0700 From: Nareshkumar Gollakoti To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, naresh.kumar.g@intel.com Subject: [PATCH v3 6/8] drm/xe/vm: propagate BO page-size requirements to VMA map flags Date: Sun, 12 Jul 2026 16:45:15 +0530 Message-ID: <20260712111517.1956177-7-naresh.kumar.g@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260712111517.1956177-1-naresh.kumar.g@intel.com> References: <20260712111517.1956177-1-naresh.kumar.g@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" Propagate user BO page-size requirement flags into VM bind map operations. When a user BO carries a page-size requirement flag, set the corresponding VMA PTE flag during bind-op construction. This covers 64K, 2M, and 1G page sizes and allows the debug page-size allocation policy selected at BO creation time to be reflected in page-table mapping behavior. v3 - BO page-size requirement overrides prior map-state flags - reword commit message Signed-off-by: Nareshkumar Gollakoti --- drivers/gpu/drm/xe/xe_vm.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_vm.c b/drivers/gpu/drm/xe/xe_vm.c index 080c2fff0e95..96d4e6ee4ffa 100644 --- a/drivers/gpu/drm/xe/xe_vm.c +++ b/drivers/gpu/drm/xe/xe_vm.c @@ -2390,6 +2390,26 @@ static void xe_svm_prefetch_gpuva_ops_fini(struct drm_gpuva_ops *ops) } } +static void xe_vma_apply_debug_page_size_flag(struct xe_vm *vm, + struct xe_vma_op *op, + struct xe_bo *bo) +{ + if (!bo) + return; + + if (!(bo->flags & XE_BO_FLAG_USER)) + return; + + op->map.vma_flags &= ~(XE_VMA_PTE_64K | XE_VMA_PTE_2M | XE_VMA_PTE_1G); + + if (bo->flags & XE_BO_FLAG_NEEDS_1G) + op->map.vma_flags |= XE_VMA_PTE_1G; + else if (bo->flags & XE_BO_FLAG_NEEDS_2M) + op->map.vma_flags |= XE_VMA_PTE_2M; + else if (bo->flags & XE_BO_FLAG_NEEDS_64K) + op->map.vma_flags |= XE_VMA_PTE_64K; +} + /* * Create operations list from IOCTL arguments, setup operations fields so parse * and commit steps are decoupled from IOCTL arguments. This step can fail. @@ -2485,6 +2505,11 @@ vm_bind_ioctl_ops_create(struct xe_vm *vm, struct xe_vma_ops *vops, op->map.pat_index = pat_index; op->map.invalidate_on_bind = __xe_vm_needs_clear_scratch_pages(vm, flags); + /* + * Propagate debug BO page-size selection into the VMA mapping flags for + * user BO binds. + */ + xe_vma_apply_debug_page_size_flag(vm, op, bo); } else if (__op->op == DRM_GPUVA_OP_PREFETCH) { struct xe_vma *vma = gpuva_to_vma(op->base.prefetch.va); struct xe_tile *tile; -- 2.43.0