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 0BBD7C55162 for ; Thu, 30 Jul 2026 10:12:03 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BA48410EE80; Thu, 30 Jul 2026 10:12:02 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="YDYkPkgY"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) by gabe.freedesktop.org (Postfix) with ESMTPS id E58E110EE80 for ; Thu, 30 Jul 2026 10:12:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1785406322; x=1816942322; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=mbz3DkaQyFTM2p3IMV5h9yLZC1s2FYnSbvj2x3+CArk=; b=YDYkPkgYA97XSqoy2Np0jIwrE4hyR/DbsCTTUQnow/e2VxWVBWVNS1Fz P7NEPB6+0mH3oCAFUjs98eza0u48uU2ERDeL8kt3HW3ZuFTZC9FBQC1/1 SQH4UjNFEUlCVFDqhJWJYwGf2puLG25o+h7TS3KsnHd+Pf7hpPLW0f3aO Q2VfTgf02wdRghxZfTG7GObcGra161JJm6F2GvJDFb4NpMYWVGmJcJjrI SlGZvrudqavCoN6Kr3bXN/kugpAKnk7XHU3cRevYpqMwATgec0qKV9isf 32pKjrpwEdCXdvNpv8EpPOGDwf7gcFl7JXcfqsx+YuWPGozVSPYWgAK/7 g==; X-CSE-ConnectionGUID: YAZiQmQSRhSW1soGBgRPAw== X-CSE-MsgGUID: iDPaIoJbSr2aHSBlTWCkVA== X-IronPort-AV: E=McAfee;i="6800,10657,11859"; a="73557240" X-IronPort-AV: E=Sophos;i="6.25,194,1779174000"; d="scan'208";a="73557240" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2026 03:12:02 -0700 X-CSE-ConnectionGUID: sZc7YkS1QhSj9o6wqBI5Eg== X-CSE-MsgGUID: aJTSGloCQSCW4OyiynfLUg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,194,1779174000"; d="scan'208";a="256925254" Received: from tejasupa-desk.iind.intel.com (HELO tejasupa-desk) ([10.190.239.37]) by fmviesa007-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Jul 2026 03:11:59 -0700 From: Tejas Upadhyay To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, Tejas Upadhyay , Arvind Yadav Subject: [PATCH V14 4/9] drm/xe: Extend BO purge to handle vram pages as well Date: Thu, 30 Jul 2026 15:41:26 +0530 Message-ID: <20260730101132.2770752-15-tejas.upadhyay@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260730101132.2770752-11-tejas.upadhyay@intel.com> References: <20260730101132.2770752-11-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 Reviewed-by: Arvind Yadav --- 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 dde309821237..52f81e972ada 100644 --- a/drivers/gpu/drm/xe/xe_bo.c +++ b/drivers/gpu/drm/xe/xe_bo.c @@ -921,7 +921,7 @@ 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 = {}; @@ -929,9 +929,6 @@ 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 c6d80e1bd6e7..659e2888d419 100644 --- a/drivers/gpu/drm/xe/xe_bo.h +++ b/drivers/gpu/drm/xe/xe_bo.h @@ -586,6 +586,7 @@ 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