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 8CF21C5DF74 for ; Mon, 17 Aug 2026 06:51:13 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3F5A910E65E; Mon, 17 Aug 2026 06:51:13 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="llCtAN+x"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id C723610E65C for ; Mon, 17 Aug 2026 06:51:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1786949471; x=1818485471; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=g5DaAMSOWsv5816a2dN5M6wDPAXDMAMz/gSgdV/MYWc=; b=llCtAN+xgcnQWJcXMn4kiAUKcO8xbbDGeC30w4iY7TVHStKWL+hI8/Es qg8QKjdti3upeNLVXZNludMNUmx/CGr2IrLrQxcEyW3bz0z2h8sbETKDx QCpovZphL3TNU0fIdk5dTEWwgvunyIaPBixtKaR9V68JVTQtl+OGhX4Eo J/+CxUIB7UCCQcW5Wsa04+YeXNis3ZJrkLb60irA11tCXYr4CDin7KGEQ 1YcHSuvrQ1BANM8lAmMZvDiMK1cKqYTK/Kftxwlf6e7R8hxf0RrYz5cKO ME/oq6CLRX4BxcCC5H9p5t2VS3ryfjJvgMctnnL9tvQgawbD8miXdRCFI Q==; X-CSE-ConnectionGUID: Jd2YcuoLScWlODnfFip2Vg== X-CSE-MsgGUID: VbH5bGUnRsKpiZYHp3sv/Q== X-IronPort-AV: E=McAfee;i="6800,10657,11877"; a="91289543" X-IronPort-AV: E=Sophos;i="6.25,228,1779174000"; d="scan'208";a="91289543" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2026 23:51:11 -0700 X-CSE-ConnectionGUID: Vn12oULRQbeFp2npCShvHA== X-CSE-MsgGUID: sG1PYcxtTsq7PBa5JORlUg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,228,1779174000"; d="scan'208";a="264383770" Received: from tejasupa-desk.iind.intel.com (HELO tejasupa-desk) ([10.190.239.37]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 16 Aug 2026 23:51:09 -0700 From: Tejas Upadhyay To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, Tejas Upadhyay , Matthew Brost Subject: [PATCH V16 01/12] drm/xe: Link VRAM object with gpu buddy Date: Mon, 17 Aug 2026 12:20:56 +0530 Message-ID: <20260817065055.3734576-15-tejas.upadhyay@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260817065055.3734576-14-tejas.upadhyay@intel.com> References: <20260817065055.3734576-14-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: 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 b518f7dec680..5ab5dfdb183c 100644 --- a/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c +++ b/drivers/gpu/drm/xe/xe_ttm_vram_mgr.c @@ -54,6 +54,7 @@ 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; @@ -138,6 +139,8 @@ 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) && @@ -176,8 +179,11 @@ 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