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 CFF06C61DE2 for ; Mon, 31 Aug 2026 06:51:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 8FED410E255; Mon, 31 Aug 2026 06:51:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="Bpo1phF7"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id D1D1310E59D for ; Mon, 31 Aug 2026 06:51:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788159066; x=1819695066; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=d5QKfsC+fg6k/YtfwanNAgpIC+ajsHsKit/Z1fiwEyo=; b=Bpo1phF7RZCh+xduskw+U3Nx6li36MrT9qJSYEzkDAr44JU03QZOLY4H zS74Fmjx36XK4DC+EgucLtwbIafCaTQYgBFDiX9r4qg5jgyjzXCjKn66M vP6bl8gVC2Ope+yJbgFVBwLtmqP7w7WWIHSC0wUdBNkaeglyL4yFvCrAq VzjCZ+olkD3hNaWcC+JFgiUVR1OzLM1ZY8FHIVw5R87OY+jpnmDNF2I6R IZzeP6vG0Yxdc9YE+VJLF8SDO0buoIpLSdIErMpTwUT8MKdjy7OsFHcrg AvG+QuuOX6NntgntO7aXPb8dlGor9uUF463PJqGf6eyb13K7g2Co9ctd3 w==; X-CSE-ConnectionGUID: PBWSt5GkR9WjyHaI9kVF2A== X-CSE-MsgGUID: K+2JZ5uURE+i3V3g+b/+sQ== X-IronPort-AV: E=McAfee;i="6800,10657,11891"; a="106081701" X-IronPort-AV: E=Sophos;i="6.25,252,1779174000"; d="scan'208";a="106081701" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Aug 2026 23:50:08 -0700 X-CSE-ConnectionGUID: HAqbTFIHR/CBNLffpDGMsg== X-CSE-MsgGUID: qUJk0nznT36Jf0k80J1OWA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,252,1779174000"; d="scan'208";a="269302652" Received: from tejasupa-desk.iind.intel.com (HELO tejasupa-desk) ([10.190.239.37]) by orviesa009-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Aug 2026 23:50:06 -0700 From: Tejas Upadhyay To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, rodrigo.vivi@intel.com, Tejas Upadhyay , Andi Shyti , Matthew Brost Subject: [PATCH V19 01/15] drm/xe: Link VRAM object with gpu buddy Date: Mon, 31 Aug 2026 12:19:43 +0530 Message-ID: <20260831064942.315720-18-tejas.upadhyay@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260831064942.315720-17-tejas.upadhyay@intel.com> References: <20260831064942.315720-17-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" Setup to link TTM buffer object inside gpu buddy. This functionality is critical for supporting the memory page offline feature on CRI, where identified faulty pages must be traced back to their originating buffer for safe removal. V2(MattB): Clear block->private in xe_ttm_vram_mgr_del as well Reviewed-by: Andi Shyti Reviewed-by: Himal Prasad Ghimiray Reviewed-by: Matthew Brost Signed-off-by: Tejas Upadhyay --- drivers/gpu/drm/xe/xe_ttm_vram_mgr.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c index 05911904c1f9..51e983ee3bad 100644 --- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c +++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c @@ -57,6 +57,7 @@ static int xe_ttm_vram_mgr_new(struct ttm_resource_manager *man, struct xe_ttm_vram_mgr *mgr = to_xe_ttm_vram_mgr(man); struct xe_ttm_vram_mgr_resource *vres; struct gpu_buddy *mm = &mgr->mm; + struct gpu_buddy_block *block; u64 size, min_page_size; unsigned long lpfn; int err; @@ -141,6 +142,8 @@ static int xe_ttm_vram_mgr_new(struct ttm_resource_manager *man, } mgr->visible_avail -= vres->used_visible_size; + list_for_each_entry(block, &vres->blocks, link) + block->private = tbo; mutex_unlock(&mgr->lock); if (!(vres->base.placement & TTM_PL_FLAG_CONTIGUOUS) && @@ -179,8 +182,11 @@ static void xe_ttm_vram_mgr_del(struct ttm_resource_manager *man, to_xe_ttm_vram_mgr_resource(res); struct xe_ttm_vram_mgr *mgr = to_xe_ttm_vram_mgr(man); struct gpu_buddy *mm = &mgr->mm; + struct gpu_buddy_block *block; mutex_lock(&mgr->lock); + list_for_each_entry(block, &vres->blocks, link) + block->private = NULL; gpu_buddy_free_list(mm, &vres->blocks, 0); mgr->visible_avail += vres->used_visible_size; mutex_unlock(&mgr->lock); -- 2.52.0