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 411A7D148B5 for ; Thu, 8 Jan 2026 06:59:39 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 52D0210E69D; Thu, 8 Jan 2026 06:59:38 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="cLlFAus8"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.14]) by gabe.freedesktop.org (Postfix) with ESMTPS id A17B410E69B for ; Thu, 8 Jan 2026 06:59:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1767855576; x=1799391576; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=MsyGQ0MIeRqFowiY3MT8ktF6g4E+QgxJPoeEZDzjjHM=; b=cLlFAus8ckaW0sMlaXqziXLD37rTkhqYtvT8v+vk1s3v3OZkXzm4xyGs OFrye5DB/v3zNd6T9LrBGL9xNBswK+MZZYpNrD1DHnO9JokcctZOdNHuc HYEQxKedjiif2bK6nBy0BScEcBgoCCwOWNeFUdGyE0kOfd1B+45fXGWoy F9G2tct64ATdMVH/nkco06rxGR0mmRJRSCMEnUJZqUunYop8Eh8koKALb h5ynfOb7CG0Zn1w1MmW1KylnStk6BAUA08+WuysEIx68U0nlVpdn47OsY j9MD35v2SZHJHaWbMhqCBmewbLrx04a+OPec2HCOsa152Izi7AuMVqAyz Q==; X-CSE-ConnectionGUID: AuraPu7XRMWcfa6f/zud1w== X-CSE-MsgGUID: eWlI+nl0SPiA211bP2rgGg== X-IronPort-AV: E=McAfee;i="6800,10657,11664"; a="73078772" X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="73078772" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by orvoesa106.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jan 2026 22:59:36 -0800 X-CSE-ConnectionGUID: HL7uNIC7QsyLwb3wI4OclA== X-CSE-MsgGUID: o0P5jWyvTV2+mxMp4X3Odg== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,210,1763452800"; d="scan'208";a="203034233" Received: from dut6304bmgfrd.fm.intel.com ([10.36.21.42]) by fmviesa006.fm.intel.com with ESMTP; 07 Jan 2026 22:59:36 -0800 From: Xin Wang To: igt-dev@lists.freedesktop.org Cc: Xin Wang , Matthew Auld Subject: [PATCH v2 1/4] tests/intel/xe_pat: add userptr-comp subtest Date: Thu, 8 Jan 2026 06:59:30 +0000 Message-ID: <20260108065933.409757-2-x.wang@intel.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260108065933.409757-1-x.wang@intel.com> References: <20260108065933.409757-1-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 new xe_pat subtest that iterates the debugfs PAT table and validates that userptr bindings are rejected for PAT entries enabling compression and for COH_MODE_NONE entries. Expected failures return -EINVAL. Cc: Matthew Auld Signed-off-by: Xin Wang Reviewed-by: Matthew Auld --- tests/intel/xe_pat.c | 61 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) diff --git a/tests/intel/xe_pat.c b/tests/intel/xe_pat.c index a7f8ab088..5ad4922dd 100644 --- a/tests/intel/xe_pat.c +++ b/tests/intel/xe_pat.c @@ -887,6 +887,64 @@ static void bo_comp_disable_bind(int fd) xe_vm_destroy(fd, vm); } +/** + * SUBTEST: userptr-comp + * Test category: functionality test + * Description: Validate that userptr mappings cannot be bound with a PAT index + * that enables compression (expected to fail with -EINVAL). + */ +static void userptr_comp(int fd) +{ + size_t size = xe_get_default_alignment(fd); + uint16_t dev_id = intel_get_drm_devid(fd); + struct intel_pat_cache pat_sw_config = {}; + int32_t parsed; + uint32_t vm; + void *data; + + igt_require(intel_get_device_info(dev_id)->graphics_ver >= 20); + + parsed = xe_fetch_pat_sw_config(fd, &pat_sw_config); + + data = mmap(0, size, PROT_READ | PROT_WRITE, + MAP_SHARED | MAP_ANONYMOUS, -1, 0); + igt_assert(data != MAP_FAILED); + + vm = xe_vm_create(fd, 0, 0); + + for (int i = 0; i < parsed; i++) { + uint32_t pat; + uint32_t coh_mode; + bool compressed; + uint64_t va; + int expected; + int ret; + + if (pat_sw_config.entries[i].rsvd) + continue; + pat = pat_sw_config.entries[i].pat; + compressed = !!(pat & XE2_COMP_EN); + coh_mode = REG_FIELD_GET(XE2_COH_MODE, pat); + + /* Spread VAs to keep each attempt independent. */ + va = 0x40000ull + (uint64_t)i * 0x200000ull; + + if (compressed || coh_mode == COH_MODE_NONE) + expected = -EINVAL; + else + expected = 0; + ret = __xe_vm_bind(fd, vm, 0, 0, to_user_pointer(data), va, + size, DRM_XE_VM_BIND_OP_MAP_USERPTR, 0, NULL, 0, 0, + i, 0); + igt_assert_eq(ret, expected); + if (!ret) + xe_vm_unbind_sync(fd, vm, 0, va, size); + } + + munmap(data, size); + xe_vm_destroy(fd, vm); +} + /** * SUBTEST: display-vs-wb-transient * Test category: functionality test @@ -1317,6 +1375,9 @@ int igt_main_args("V", NULL, help_str, opt_handler, NULL) igt_subtest("userptr-coh-none") userptr_coh_none(fd); + igt_subtest("userptr-comp") + userptr_comp(fd); + igt_subtest("prime-self-import-coh") prime_self_import_coh(); -- 2.43.0