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 A968CF8809D for ; Thu, 16 Apr 2026 07:50:45 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6C9B110E84C; Thu, 16 Apr 2026 07:50:45 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="bLFWv8CS"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9513C10E84E for ; Thu, 16 Apr 2026 07:50:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1776325844; x=1807861844; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=ZPIbQ+D86woQQZ9HUd3eRwj6D9KKHuXck+/tTeZZhJg=; b=bLFWv8CSjOJ3Y8Y/OCOykr64dpkVkrdlCaN29WhuwGKTftyMs1YHSHvJ vBaPCnCptX5R9WxLmHv4r+Vf3sD9EX4opDxQirRfca6tnQhcqPA8HAC6G NBlkboMHPShlSGHBPKEFeUEEN33MewyQ7kerybRVaYOQN8tuK4i14dCjR 6DclnjfcN28QEGMpekHH9D/e+IM3j63WjmVGTY3QJEhdX5IDq83sP0YSk LoLhyo0upE9h1uOGxbaoSboTHUSrtrmFIhZ7uS7/wZdNIqlpy7eRfQwFx Yz2kMpl0/iMU88lk/0ulJVAcaGyBBlMsqMjSZmg28wnVzC09YZPz0DxdA Q==; X-CSE-ConnectionGUID: b0JmnDEjS3Wq8J48T58HPQ== X-CSE-MsgGUID: tFO7+59ATmWzkmvFNwesuw== X-IronPort-AV: E=McAfee;i="6800,10657,11760"; a="81188807" X-IronPort-AV: E=Sophos;i="6.23,181,1770624000"; d="scan'208";a="81188807" Received: from orviesa004.jf.intel.com ([10.64.159.144]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2026 00:50:44 -0700 X-CSE-ConnectionGUID: u2o6/Rm/SuSlqrC46kMBeg== X-CSE-MsgGUID: 9VIU+I/uQnawq1/LD29DPg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,181,1770624000"; d="scan'208";a="235036579" Received: from tejasupa-desk.iind.intel.com (HELO tejasupa-desk) ([10.190.239.37]) by orviesa004-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Apr 2026 00:50:42 -0700 From: Tejas Upadhyay To: intel-xe@lists.freedesktop.org Cc: matthew.auld@intel.com, matthew.brost@intel.com, thomas.hellstrom@linux.intel.com, himal.prasad.ghimiray@intel.com, Tejas Upadhyay Subject: [RFC PATCH V7 05/10] drm/xe: Extend BO purge to handle vram pages as well Date: Thu, 16 Apr 2026 13:19:54 +0530 Message-ID: <20260416074958.3722666-17-tejas.upadhyay@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260416074958.3722666-12-tejas.upadhyay@intel.com> References: <20260416074958.3722666-12-tejas.upadhyay@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" Recent driver update introduce support for purgeable buffer objects (BOs), extending the API to include VRAM pages to better manage memory pressure and enable memory offlining. Signed-off-by: Tejas Upadhyay --- drivers/gpu/drm/xe/xe_bo.c | 5 +---- drivers/gpu/drm/xe/xe_bo.h | 1 + 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/xe/xe_bo.c b/drivers/gpu/drm/xe/xe_bo.c index 5ce60d161e09..04d3b25c7c8e 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -903,7 +903,7 @@ void xe_bo_set_purgeable_state(struct xe_bo *bo, * * Return: 0 on success, negative error code on failure */ -static int xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operation_ctx *ctx) +int xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operation_ctx *ctx) { struct xe_bo *bo = ttm_to_xe_bo(ttm_bo); struct ttm_placement place = {}; @@ -911,9 +911,6 @@ static int xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operatio xe_bo_assert_held(bo); - if (!ttm_bo->ttm) - return 0; - if (!xe_bo_madv_is_dontneed(bo)) return 0; diff --git a/drivers/gpu/drm/xe/xe_bo.h b/drivers/gpu/drm/xe/xe_bo.h index 68dea7d25a6b..9f55b3589caf 100644 --- a/drivers/gpu/drm/xe/xe_bo.h +++ b/drivers/gpu/drm/xe/xe_bo.h @@ -500,6 +500,7 @@ struct xe_bo_shrink_flags { long xe_bo_shrink(struct ttm_operation_ctx *ctx, struct ttm_buffer_object *bo, const struct xe_bo_shrink_flags flags, unsigned long *scanned); +int xe_ttm_bo_purge(struct ttm_buffer_object *ttm_bo, struct ttm_operation_ctx *ctx); /** * xe_bo_is_mem_type - Whether the bo currently resides in the given -- 2.52.0