From patchwork Tue Jun 25 13:55:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lionel Landwerlin X-Patchwork-Id: 11015621 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 21F5E112C for ; Tue, 25 Jun 2019 13:55:18 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id F2AC72893C for ; Tue, 25 Jun 2019 13:55:17 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id E70CB289E5; Tue, 25 Jun 2019 13:55:17 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A4EDF289F5 for ; Tue, 25 Jun 2019 13:55:17 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4B3E66E103; Tue, 25 Jun 2019 13:55:13 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id EC9326E0FA for ; Tue, 25 Jun 2019 13:55:09 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga007.fm.intel.com ([10.253.24.52]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 25 Jun 2019 06:55:09 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.63,416,1557212400"; d="scan'208";a="163630025" Received: from mbarlik-mobl.ger.corp.intel.com (HELO delly.ger.corp.intel.com) ([10.249.140.16]) by fmsmga007.fm.intel.com with ESMTP; 25 Jun 2019 06:55:08 -0700 From: Lionel Landwerlin To: intel-gfx@lists.freedesktop.org Date: Tue, 25 Jun 2019 16:55:01 +0300 Message-Id: <20190625135503.4262-2-lionel.g.landwerlin@intel.com> X-Mailer: git-send-email 2.21.0.392.gf8f6787159e In-Reply-To: <20190625135503.4262-1-lionel.g.landwerlin@intel.com> References: <20190625135503.4262-1-lionel.g.landwerlin@intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v4 1/3] drm/i915: fix whitelist selftests with readonly registers X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP When a register is readonly there is not much we can tell about its value (apart from its default value?). This can be covered by tests exercising the value of the register from userspace. For PS_INVOCATION_COUNT we've got the following piglit tests : KHR-GL45.pipeline_statistics_query_tests_ARB.functional_fragment_shader_invocations Vulkan CTS tests : dEQP-VK.query_pool.statistics_query.fragment_shader_invocations.* Signed-off-by: Lionel Landwerlin --- drivers/gpu/drm/i915/gt/selftest_workarounds.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/gt/selftest_workarounds.c b/drivers/gpu/drm/i915/gt/selftest_workarounds.c index f12cb20fe785..801a94516bae 100644 --- a/drivers/gpu/drm/i915/gt/selftest_workarounds.c +++ b/drivers/gpu/drm/i915/gt/selftest_workarounds.c @@ -926,6 +926,9 @@ check_whitelisted_registers(struct intel_engine_cs *engine, err = 0; for (i = 0; i < engine->whitelist.count; i++) { + if (engine->whitelist.list[i].reg & RING_FORCE_TO_NONPRIV_RD) + continue; + if (!fn(engine, a[i], b[i], engine->whitelist.list[i].reg)) err = -EINVAL; }