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 A43C8CF6BF1 for ; Wed, 7 Jan 2026 05:24:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 0723110E099; Wed, 7 Jan 2026 05:24:12 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="bpJ3m7+f"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.20]) by gabe.freedesktop.org (Postfix) with ESMTPS id 8EC7210E048 for ; Wed, 7 Jan 2026 05:24:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767763450; x=1799299450; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=zRKKQ/tKqk6Q+5gs8KfY1+/J1XcJz2vce0WYjxccrTs=; b=bpJ3m7+fV+7OUFpw/G28cXk28AweIJrTDW9WZbdfLJ00VtSp6huw06EV W4ovw9yF0TXe7GUdfRQvxnxgAzpljpC90u9XbVqyPfGcPknqlg6TwTQjn dGMTQmDaa8r6kagvGH00p4FLnDEhFYgHP6kM6Kq2dITOwJLlpDhTSKue0 r+PZOlSk8LYvjFE0WLQD2lTYjolghay9kRx9tO9aUKHHefo0fcAJKnkDq P0xRkv48Bya23v7Uga+kVSNw4iwRzBmzTT6yOvEGQ4pGEbakdoPWTFPdS VH7aLsm+EzpDppxEE+T4D/5htTGmeugkvQsVBmIcJGxIOcA4t2WEMtDYa g==; X-CSE-ConnectionGUID: Sn0CVa7FSfu/wnoS9Yehbg== X-CSE-MsgGUID: vxjGMiZoS/OUm3a19Z3c9w== X-IronPort-AV: E=McAfee;i="6800,10657,11663"; a="68869464" X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="68869464" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa112.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Jan 2026 21:24:09 -0800 X-CSE-ConnectionGUID: emeuMT5tTuiYHANUruKcpg== X-CSE-MsgGUID: Roy+IdgZS8moxYmdHZHtoA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,207,1763452800"; d="scan'208";a="202047233" Received: from dut6304bmgfrd.fm.intel.com ([10.36.21.42]) by orviesa010.jf.intel.com with ESMTP; 06 Jan 2026 21:24:09 -0800 From: Xin Wang To: igt-dev@lists.freedesktop.org Cc: Xin Wang , Matthew Auld Subject: [PATCH 2/4] tests/xe_pat: add prime-external-import-comp PAT test Date: Wed, 7 Jan 2026 05:24:04 +0000 Message-ID: <20260107052406.21678-3-x.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260107052406.21678-1-x.wang@intel.com> References: <20260107052406.21678-1-x.wang@intel.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: igt-dev@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Development mailing list for IGT GPU Tools List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Add a xe_pat subtest that imports a vgem dma-buf into Xe and verifies that binding it with any compression-enabled PAT index is rejected with -EINVAL. Also keep a WB sanity bind to ensure imports still work with non-compressed caching. Cc: Matthew Auld Signed-off-by: Xin Wang --- tests/intel/xe_pat.c | 74 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 74 insertions(+) diff --git a/tests/intel/xe_pat.c b/tests/intel/xe_pat.c index 5ad4922dd..8af6ad174 100644 --- a/tests/intel/xe_pat.c +++ b/tests/intel/xe_pat.c @@ -831,6 +831,77 @@ static void prime_external_import_coh(void) drm_close_driver(fd2); } +/** + * SUBTEST: prime-external-import-comp + * Test category: functionality test + * Description: Validate that imported dma-bufs cannot be bound with a PAT index + * that enables compression (expected to fail with -EINVAL). + */ +static void prime_external_import_comp(void) +{ + uint16_t dev_id; + struct intel_pat_cache pat_sw_config = {}; + int32_t parsed; + struct vgem_bo vgem_bo = {}; + int fd_vgem, fd_xe; + int dma_buf_fd; + uint32_t handle_import; + uint32_t vm; + int bpp = 32; + int size; + + fd_vgem = drm_open_driver(DRIVER_VGEM); + fd_xe = drm_open_driver(DRIVER_XE); + + dev_id = intel_get_drm_devid(fd_xe); + igt_require(intel_get_device_info(dev_id)->graphics_ver >= 20); + + parsed = xe_fetch_pat_sw_config(fd_xe, &pat_sw_config); + + vgem_bo.width = 1024; + vgem_bo.height = 512; + vgem_bo.bpp = bpp; + vgem_create(fd_vgem, &vgem_bo); + + size = vgem_bo.width * vgem_bo.height * bpp / 8; + + dma_buf_fd = prime_handle_to_fd(fd_vgem, vgem_bo.handle); + handle_import = prime_fd_to_handle(fd_xe, dma_buf_fd); + + vm = xe_vm_create(fd_xe, 0, 0); + + for (int i = 0; i < parsed; i++) { + uint32_t pat; + bool compressed; + int ret; + + if (pat_sw_config.entries[i].rsvd) + continue; + pat = pat_sw_config.entries[i].pat; + compressed = !!(pat & XE2_COMP_EN); + if (!compressed) + continue; + ret = __xe_vm_bind(fd_xe, vm, 0, handle_import, 0, 0x40000, + size, DRM_XE_VM_BIND_OP_MAP, 0, NULL, 0, 0, + i, 0); + xe_vm_unbind_sync(fd_xe, vm, 0, 0x40000, size); + igt_assert_eq(ret, -EINVAL); + } + + /* Sanity: non-compressed WB should still be accepted for imports. */ + igt_assert_eq(__xe_vm_bind(fd_xe, vm, 0, handle_import, 0, 0x40000, + size, DRM_XE_VM_BIND_OP_MAP, 0, NULL, 0, 0, + intel_get_pat_idx_wb(fd_xe), 0), + 0); + xe_vm_unbind_sync(fd_xe, vm, 0, 0x40000, size); + + xe_vm_destroy(fd_xe, vm); + close(dma_buf_fd); + + drm_close_driver(fd_vgem); + drm_close_driver(fd_xe); +} + static bool has_no_compression_hint(int fd) { struct drm_xe_query_config *config = xe_config(fd); @@ -1384,6 +1455,9 @@ int igt_main_args("V", NULL, help_str, opt_handler, NULL) igt_subtest("prime-external-import-coh") prime_external_import_coh(); + igt_subtest("prime-external-import-comp") + prime_external_import_comp(); + igt_subtest("bo-comp-disable-bind") bo_comp_disable_bind(fd); -- 2.43.0