From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 70BD6262FC1 for ; Tue, 9 Dec 2025 20:49:51 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.17 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765313394; cv=none; b=HUKyR347eEyfIAl4G13xTIsGz9UH1od4nW1l+hqdnWIbqW76jCAILkKP6FF16K8S06VjEQibb6iv/s8Qd/kAC+pmp2ff1F6QtqpHIlMosFFTXKICedwUZXgIV9V4L9ZYGJ1sRC3cNQ0Y+XjZ27Ef3FNaOxez86q5wkxhSAi76es= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765313394; c=relaxed/simple; bh=xGOPOCm5km5iEeWfZJKFi+xuMvKiI6/Zb+EwuEX2+Yo=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version:Content-Type; b=oizlaZx/rzNi+4fYBlht9HahxY2KVh1z5bR2UH8yMr+7hHlLMQUQ6fnifvkf6tXbvPNSpqcYlHTDzL6m76+WZ8i5Y2QhFs0/Q6PdGtECJXPlav5C5tHjmk0TFLujOE0UDHpTnW5hGnnhhYdSGXYfNCdQqEhE0sAsQe5a6hdVa3E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=AdCxdFAf; arc=none smtp.client-ip=192.198.163.17 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="AdCxdFAf" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765313392; x=1796849392; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=xGOPOCm5km5iEeWfZJKFi+xuMvKiI6/Zb+EwuEX2+Yo=; b=AdCxdFAfTxSRQSnVks0VhSg5HwH7e6R1Shyw1gJeyF1T+OcG+cXq9Anx nLkUYOTA1I61uMaHY8pDScbJ+XrZE2tAdafartdtyUzSwLz+W6CcpZm6m 5FGC3v5ccrMPPpomYN8UeabQ4jwvrQ/Kz3OPQ7Owf3u6WtfYx0lVfm+0L NCuoIuZba9fo5HIXD1WSUvgtG4VTfH1Cmen2C5/GCggaxgE9kMzs3edwT T2tBAPeg1eIqmgWSw/kuApsocIauTCqHgc88J46DhRFCWkzd5au2/Rs7S wlWHkW5Ay1PMG/rY4phhBkhgmmaaJgu+w+U5XyW2QmKBcxKL5QS9THsIV w==; X-CSE-ConnectionGUID: 5gO6HIxiSc6Pf8tzG/eH0Q== X-CSE-MsgGUID: 8IjGn52XRR2Q0Luj6dRcEQ== X-IronPort-AV: E=McAfee;i="6800,10657,11637"; a="67175097" X-IronPort-AV: E=Sophos;i="6.20,262,1758610800"; d="scan'208";a="67175097" 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 Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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