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 98CEBD3B994 for ; Tue, 9 Dec 2025 20:49:53 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3468710E1EC; Tue, 9 Dec 2025 20:49:53 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="iCFa/arF"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id 13ACF10E216 for ; Tue, 9 Dec 2025 20:49:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765313391; x=1796849391; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=xGOPOCm5km5iEeWfZJKFi+xuMvKiI6/Zb+EwuEX2+Yo=; b=iCFa/arFUpoqB+tO7JjFVIiyuKTpCXIi57TJ6ZZPEQavxSxiGo2coX7h AwSCAs6DRF9culQNPv6wTKGFCt+AoJF3ddm5GR5ZkAR+MOabEsVAWyVrb yDXfa7nykKLz7UuZ2j4Me8K3YRpZx2QMVRccvBxTdtejHwjnBadYtwl34 SjN4fQlKT4emQMCmL7UgR7HpI8l1VfnYXVpIg1/Y+kTmCqTSNK9yt4wVx adrAR4BS8brDQXThPJmNZToycAKmT1cRRpGqp+9K2BRVTMTNt0OBrzzAF pJgQgYHeXPI1cWnWgGYIZ4epDAU4idiDXs40GwA8Mjm50oTG5cxkbQQS4 g==; X-CSE-ConnectionGUID: AIMn1Yo7SYyfiAn2b0RKhQ== X-CSE-MsgGUID: qkujinj+Tdyux38CsxVUPQ== X-IronPort-AV: E=McAfee;i="6800,10657,11637"; a="67175096" X-IronPort-AV: E=Sophos;i="6.20,262,1758610800"; d="scan'208";a="67175096" Received: from orviesa008.jf.intel.com ([10.64.159.148]) by fmvoesa111.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2025 12:49:50 -0800 X-CSE-ConnectionGUID: jkWs4bCGTguTsCMSqdk4CA== X-CSE-MsgGUID: aGkQ5sY7TpSjIo7OQd3sTA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.20,262,1758610800"; d="scan'208";a="196369570" Received: from egrumbac-mobl6.ger.corp.intel.com (HELO fedora) ([10.245.245.209]) by orviesa008-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 09 Dec 2025 12:49:49 -0800 From: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= To: intel-xe@lists.freedesktop.org Cc: =?UTF-8?q?Thomas=20Hellstr=C3=B6m?= , Rodrigo Vivi , Matthew Brost , Maarten Lankhorst , stable@vger.kernel.org Subject: [PATCH] drm/xe/bo: Don't include the CCS metadata in the dma-buf sg-table Date: Tue, 9 Dec 2025 21:49:20 +0100 Message-ID: <20251209204920.224374-1-thomas.hellstrom@linux.intel.com> X-Mailer: git-send-email 2.51.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 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" Some Xe bos are allocated with extra backing-store for the CCS metadata. It's never been the intention to share the CCS metadata when exporting such bos as dma-buf. Don't include it in the dma-buf sg-table. Fixes: dd08ebf6c352 ("drm/xe: Introduce a new DRM driver for Intel GPUs") Cc: Rodrigo Vivi Cc: Matthew Brost Cc: Maarten Lankhorst Cc: # v6.8+ Signed-off-by: Thomas Hellström --- drivers/gpu/drm/xe/xe_dma_buf.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/xe/xe_dma_buf.c b/drivers/gpu/drm/xe/xe_dma_buf.c index 54e42960daad..7c74a31d4486 100644 --- a/drivers/gpu/drm/xe/xe_dma_buf.c +++ b/drivers/gpu/drm/xe/xe_dma_buf.c @@ -124,7 +124,7 @@ static struct sg_table *xe_dma_buf_map(struct dma_buf_attachment *attach, case XE_PL_TT: sgt = drm_prime_pages_to_sg(obj->dev, bo->ttm.ttm->pages, - bo->ttm.ttm->num_pages); + obj->size >> PAGE_SHIFT); if (IS_ERR(sgt)) return sgt; -- 2.51.1