From patchwork Tue Oct 1 21:42:13 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 2972371 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 72D529F245 for ; Tue, 1 Oct 2013 21:42:40 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 88180203FB for ; Tue, 1 Oct 2013 21:42:39 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 86089203DD for ; Tue, 1 Oct 2013 21:42:37 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 60278E7915 for ; Tue, 1 Oct 2013 14:42:37 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-ye0-f176.google.com (mail-ye0-f176.google.com [209.85.213.176]) by gabe.freedesktop.org (Postfix) with ESMTP id 868D9E5E9D for ; Tue, 1 Oct 2013 14:42:29 -0700 (PDT) Received: by mail-ye0-f176.google.com with SMTP id m4so2348851yen.7 for ; Tue, 01 Oct 2013 14:42:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=gUClrrBPo4Ttzj81lJ5JAgwcW9fqdCEv2QauXNRnCdk=; b=ArKZBClqSqp6HCP4j+6U97vHorT8nRz8shwvtKtMguEFf6+Ljl6Huc97xF77Ur4E4r lQSYYI+En/ynb/3+4WewOxR2Aoq8K/2VbxElq9blU6K7UsPkF4ObbFadSbyBZrZuTLWL uc6Z56L5dWHldJE+Rf6jPKItEhTm/OCu/5nbShIurUUcC0cvGfeJH85gAVZ/MgJw9bv6 /E1Ox7r5AJ+yYZR2jXShQ7mnfz+YXux8vzgSHyWZMnFo7NUnDoFHyZDWdfh/LgUB+Vqi g9VJgk5zOHiI9gxplX27nGQS0B+Q2ZfVFo8fVJQFP8xrPSc2XgDqLbA0pALw4ZuUHleD A9HQ== X-Received: by 10.236.27.196 with SMTP id e44mr31770121yha.16.1380663748909; Tue, 01 Oct 2013 14:42:28 -0700 (PDT) Received: from localhost.localdomain (200.188.217.18.dedicated.neoviatelecom.com.br. [200.188.217.18]) by mx.google.com with ESMTPSA id c44sm12790664yho.20.1969.12.31.16.00.00 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 01 Oct 2013 14:42:28 -0700 (PDT) From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Tue, 1 Oct 2013 18:42:13 -0300 Message-Id: <1380663733-26587-1-git-send-email-rodrigo.vivi@gmail.com> X-Mailer: git-send-email 1.8.1.4 In-Reply-To: References: Subject: [Intel-gfx] [PATCH] tests: debugfs_psr_status X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Spam-Status: No, score=-4.7 required=5.0 tests=BAYES_00, DKIM_ADSP_CUSTOM_MED, DKIM_SIGNED, FREEMAIL_FROM, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, T_DKIM_INVALID, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Check on debugfs if PSR is supported by panel and matching all conditions in hardware. In this case PSR must be enabled and performance counting increasing v2: check if performance counter is really increasing. Signed-off-by: Rodrigo Vivi --- tests/Makefile.am | 1 + tests/debugfs_psr_status.c | 102 +++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 103 insertions(+) create mode 100644 tests/debugfs_psr_status.c diff --git a/tests/Makefile.am b/tests/Makefile.am index 99d98d6..82bc936 100644 --- a/tests/Makefile.am +++ b/tests/Makefile.am @@ -116,6 +116,7 @@ TESTS_progs = \ prime_udl \ sysfs_rc6_residency \ sysfs_rps \ + debugfs_psr_status \ $(NULL) # IMPORTANT: The ZZ_ tests need to be run last! diff --git a/tests/debugfs_psr_status.c b/tests/debugfs_psr_status.c new file mode 100644 index 0000000..6139295 --- /dev/null +++ b/tests/debugfs_psr_status.c @@ -0,0 +1,102 @@ +/* + * Copyright (c) 2013 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Rodrigo Vivi + */ + +#define _GNU_SOURCE +#include +#include +#include +#include +#include "drmtest.h" + +#define SLEEP_DURATION 5000 // in milliseconds + +static int get_perf(const char *path) +{ + int ret, perf; + bool sink, source, enabled; + FILE *file; + char str[4]; + + file = fopen(path, "r"); + if (file == NULL) { + fprintf(stderr, "Couldn't open %s (%d)\n", path, errno); + abort(); + } + + ret = fscanf(file, "Sink_Support: %s\n", str); + if (ret == 0) + igt_skip("i915_edp_psr_status format not supported by this test case\n"); + sink = strcmp(str, "yes") == 0; + ret = fscanf(file, "Source_OK: %s\n", str); + igt_assert(ret != 0); + source = strcmp(str, "yes") == 0; + ret = fscanf(file, "Enabled: %s\n", str); + igt_assert(ret != 0); + enabled = strcmp(str, "yes") == 0; + ret = fscanf(file, "Performance_Counter: %i", &perf); + + if (!sink) + igt_skip("This panel does not support PSR.\n"); + + if (!source) + igt_skip("This Hardware does not support or isn't ready for PSR\n"); + + if (!enabled) { + fprintf(stderr, "PSR should be enabled\n"); + igt_fail(1); + } + + if (perf == 0) { + fprintf(stderr, "PSR state never achieved\n"); + igt_fail(1); + } + + fclose(file); + return perf; +} + +int main(int argc, char *argv[]) +{ + int ret, perf1, perf2; + int device = drm_get_card(); + char *path; + + igt_skip_on_simulation(); + + ret = asprintf(&path, "/sys/kernel/debug/dri/%d/i915_edp_psr_status", device); + igt_assert(ret != -1); + + perf1 = get_perf(path); + sleep(SLEEP_DURATION / 1000); + perf2 = get_perf(path); + + if (perf1 == perf2) { + fprintf(stderr, "Unable to enter PSR state again\n"); + igt_fail(1); + } + + igt_success(); +}