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 01472C61DC2 for ; Wed, 26 Aug 2026 13:51:56 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id B525110E65A; Wed, 26 Aug 2026 13:51:56 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="ApOpIX3G"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id CE59410E65A for ; Wed, 26 Aug 2026 13:51:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1787752315; x=1819288315; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=+gPxFI5+jCfCR9lKA02FqzLYTh96avyytr4hHJW3Ycw=; b=ApOpIX3GC7VCRvpjd81D3kRxrsE33yPgu6+f/QXJQNNPLchE5ZgIadjz 4DLEQl0d2FpTT4QTWSql2Ol+5tN/BXI35A/Q+CyG7jJEE4Gq2Zwi1Dy3L lDigOchpYurNUURqTs2S5KTkd8BDYYXR8O/ZBNcTfdRD2hdyNcWJ+w8jg gyNBk0tPyP0CpQwoGdaddQIWPAPDvjnxiLSzPdHqYBvdrHb1rt1ujHnT0 gf311j3PXuVOUumAeGzov3Sra4WP2dH9nxyidQANkvBIuO+wyTOl5FWYn MORWI9nXIwMXXFoGaS620eP+e2596K0uTcbYcja/Aq4HcgSeQbttWPfcj Q==; X-CSE-ConnectionGUID: Dj1nxKc2TRO9cPV39e3XEQ== X-CSE-MsgGUID: vlk3EHB7T0CiFFcwPt+uAQ== X-IronPort-AV: E=McAfee;i="6800,10657,11886"; a="88251020" X-IronPort-AV: E=Sophos;i="6.25,244,1779174000"; d="scan'208";a="88251020" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa108.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 06:51:55 -0700 X-CSE-ConnectionGUID: nFeZvF0VRraB8tJk7tkA9w== X-CSE-MsgGUID: yke45wYdTE+3w3ygBal5Vg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,244,1779174000"; d="scan'208";a="269533468" Received: from tejasupa-desk.iind.intel.com (HELO tejasupa-desk) ([10.190.239.37]) by fmviesa004-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Aug 2026 06:51:52 -0700 From: Tejas Upadhyay To: intel-xe@lists.freedesktop.org Cc: himal.prasad.ghimiray@intel.com, rodrigo.vivi@intel.com, michal.wajdeczko@intel.com, Tejas Upadhyay , Matthew Brost Subject: [PATCH V18 01/14] drm/xe: Link VRAM object with gpu buddy Date: Wed, 26 Aug 2026 19:21:36 +0530 Message-ID: <20260826135136.204044-17-tejas.upadhyay@intel.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260826135136.204044-16-tejas.upadhyay@intel.com> References: <20260826135136.204044-16-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 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