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 69481D0E6D1 for ; Mon, 21 Oct 2024 09:06:59 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BB23F10E45E; Mon, 21 Oct 2024 09:06:56 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="NcXaPxlr"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.9]) by gabe.freedesktop.org (Postfix) with ESMTPS id 28CFC10E45E for ; Mon, 21 Oct 2024 09:06:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1729501616; x=1761037616; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=q6yiHUUDif5Lf8LhwfQCkFH2dlaLg4nk1tIFKQeStVc=; b=NcXaPxlrSJDjoryjVFodLaoul4ISXMoizjaAyG7lnkc4RONX3uugxLxf wM9vdPK1xWo1oBrNQzeruWSp9865Xsq3uyRa723RJRQdj37Xrv9ptMb7z 4jpNAbV0h+8thj1Km6Z5aVNFXeAFlEKk8Gt/eJrc5H2rN3scyp6bXYgb9 tIDgpJlCdwpm68HOtdpNXJGQltXZeS50Eb+FuY3agPerw9j8BlVcYChim j2I6SSqhdFwK1Xn01AsyzlmUeXc3MVmqE4DYZH+aPIRoM9CCcmYeQIvpO wGhqgbrz8F11SrlEyExQ6dr2gYh0TJ3igTZNUz69LfcPO5bs4LHpWg3wV g==; X-CSE-ConnectionGUID: uFS2bnfTTlKf8igu5gQbEg== X-CSE-MsgGUID: GlDSsrvhT0Om53nref+I7g== X-IronPort-AV: E=McAfee;i="6700,10204,11222"; a="51522020" X-IronPort-AV: E=Sophos;i="6.11,199,1725346800"; d="scan'208";a="51522020" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2024 02:06:56 -0700 X-CSE-ConnectionGUID: 4MgN3S/KQwycm6E8o7mFzg== X-CSE-MsgGUID: wl9bTsPAQvWQ0FrECbCe9A== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.11,220,1725346800"; d="scan'208";a="79421258" Received: from anirban-z690i-a-ultra-plus.iind.intel.com ([10.145.169.150]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 21 Oct 2024 02:06:55 -0700 From: Sk Anirban To: igt-dev@lists.freedesktop.org Cc: Sk Anirban Subject: [i-g-t, v3, 1/2] tests/intel/xe_pm_residency: Add GT coarse power gating validation Date: Mon, 21 Oct 2024 14:30:34 +0530 Message-Id: <20241021090035.2088446-2-sk.anirban@intel.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241021090035.2088446-1-sk.anirban@intel.com> References: <20241021090035.2088446-1-sk.anirban@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" Implement test cpg-basic to validate coarse power gating status after S3 cycle. Add test cpg-gt-toggle to check if GT coarse power gating is up when forcewake is acquired and down when released. v2: Address cosmetic review comments (Riana) Fix suspend state (Riana) Add exit handler for test cpg-gt-toggle (Riana) v3: Address cosmetic review comments (Riana) Fix commit message & test name (Konieczny) Signed-off-by: Sk Anirban --- tests/intel/xe_pm_residency.c | 92 +++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) diff --git a/tests/intel/xe_pm_residency.c b/tests/intel/xe_pm_residency.c index 772fe9b57..29316514a 100644 --- a/tests/intel/xe_pm_residency.c +++ b/tests/intel/xe_pm_residency.c @@ -63,6 +63,12 @@ enum test_type { * SUBTEST: toggle-gt-c6 * Description: toggles GT C states by acquiring/releasing forcewake, * also validates power consumed by GPU in GT C6 is lesser than that of GT C0. + * + * SUBTEST: cpg-basic + * Description: Validate GT coarse power gating status with S3 cycle. + * + * SUBTEST: cpg-gt-toggle + * Description: Toggle GT coarse power gating states by acquiring/releasing forcewake. */ IGT_TEST_DESCRIPTION("Tests for gtidle properties"); @@ -317,6 +323,81 @@ static void toggle_gt_c6(int fd, int n) "Power consumed in GT C6 should be lower than GT C0\n"); } + +static void cpg_enabled(int fd, int gt) +{ + int dir; + char str[512], path[64], *render_substr, *media_substr; + const char *render_power_gating = "Render Power Gating Enabled: "; + const char *media_power_gating = "Media Power Gating Enabled: "; + + dir = igt_debugfs_gt_dir(fd, gt); + igt_assert(dir >= 0); + + snprintf(path, sizeof(path), "gt%d/powergate_info", gt); + igt_debugfs_read(fd, path, str); + close(dir); + + render_substr = strstr(str, render_power_gating); + if (render_substr) + igt_assert_f(strncmp(render_substr + strlen(render_power_gating), "yes", 3) == 0, + "Render Power Gating should be enabled"); + + media_substr = strstr(str, media_power_gating); + if (media_substr) + igt_assert_f(strncmp(media_substr + strlen(media_power_gating), "yes", 3) == 0, + "Media Power Gating should be enabled"); +} + + +static void powergate_status(int fd, int gt, const char *expected_status) +{ + int dir; + char str[512], path[64], *status_substr; + const char *power_gate_status = "Power Gate Status: "; + + dir = igt_debugfs_gt_dir(fd, gt); + igt_assert(dir >= 0); + + snprintf(path, sizeof(path), "gt%d/powergate_info", gt); + igt_debugfs_read(fd, path, str); + close(dir); + + status_substr = strstr(str, power_gate_status); + while (status_substr) { + igt_assert_f((strncmp(status_substr + strlen(power_gate_status), expected_status, + strlen(expected_status)) == 0), + "Power Gate Status Should be %s\n %s\n", expected_status, str); + status_substr = strstr(status_substr + strlen(power_gate_status), power_gate_status); + } +} + +static void cpg_basic(int fd, int gt) +{ + cpg_enabled(fd, gt); + igt_system_suspend_autoresume(SUSPEND_STATE_S3, SUSPEND_TEST_NONE); + cpg_enabled(fd, gt); +} + +static void cpg_gt_toggle(int fd) +{ + int gt; + + fw_handle = igt_debugfs_open(fd, "forcewake_all", O_RDONLY); + igt_assert_lte(0, fw_handle); + + xe_for_each_gt(fd, gt) + cpg_enabled(fd, gt); + + xe_for_each_gt(fd, gt) + powergate_status(fd, gt, "up"); + + close(fw_handle); + sleep(1); + xe_for_each_gt(fd, gt) + powergate_status(fd, gt, "down"); +} + igt_main { uint32_t d3cold_allowed; @@ -380,6 +461,17 @@ igt_main toggle_gt_c6(fd, NUM_REPS); } + igt_describe("Validate Coarse power gating status with S3 cycle"); + igt_subtest("cpg-basic") + xe_for_each_gt(fd, gt) + cpg_basic(fd, gt); + + igt_describe("Toggle GT coarse power gating states by managing forcewake"); + igt_subtest("cpg-gt-toggle") { + igt_install_exit_handler(close_fw_handle); + cpg_gt_toggle(fd); + } + igt_fixture { close(fd); } -- 2.34.1