From patchwork Tue Oct 1 18:26:43 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 2971311 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 8425ABFF0B for ; Tue, 1 Oct 2013 18:27:25 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id CBCC8201C0 for ; Tue, 1 Oct 2013 18:27:20 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id DD014201B4 for ; Tue, 1 Oct 2013 18:27:19 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id F3B6DE781E for ; Tue, 1 Oct 2013 11:27:19 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-pd0-f173.google.com (mail-pd0-f173.google.com [209.85.192.173]) by gabe.freedesktop.org (Postfix) with ESMTP id A82C8E781E for ; Tue, 1 Oct 2013 11:27:00 -0700 (PDT) Received: by mail-pd0-f173.google.com with SMTP id p10so7619027pdj.32 for ; Tue, 01 Oct 2013 11:26:59 -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; bh=hy9tjNys1R76N2cCnwttQ3J4YHA3tx/HGsY3cWeLFAM=; b=zlK+n7bJHJGaA8PqPQJpfLO6T3VUHbUIuFwUUUXzyQ3BmjP32GarYLUXjcaP/jg/6O MFf6s7UZ9S2M8r56JpDBGzEnTqB+3StBeX0yDwY5IfIxBZELC/aoYYtbYdYByQ8vnmsb Q73R58h2IgiRCcH+7yeqHds7fbA8pFwvtm6EWHCuapSxC3Xh1rAANRFIscZBs8V+T6/t VmXhQ0bblCPiZm4nRGu4l/jQ/nzjfq3TgdQCEYaC0dYuKkIh3nBIa34MJabFa1CAZTSD Op+wpL1TArGyNDw57vKvCBq3k7i9v+o4rt7GLAV+f+U9ws+Rnbp3DeXTuhnsS6ushnxs Tg4Q== X-Received: by 10.68.230.166 with SMTP id sz6mr10206243pbc.157.1380652019917; Tue, 01 Oct 2013 11:26:59 -0700 (PDT) Received: from localhost (jfdmzpr03-ext.jf.intel.com. [134.134.139.72]) by mx.google.com with ESMTPSA id rv9sm8245953pbc.4.1969.12.31.16.00.00 (version=TLSv1.2 cipher=RC4-SHA bits=128/128); Tue, 01 Oct 2013 11:26:59 -0700 (PDT) From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Tue, 1 Oct 2013 15:26:43 -0300 Message-Id: <1380652003-7137-1-git-send-email-rodrigo.vivi@gmail.com> X-Mailer: git-send-email 1.7.11.7 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=ham 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 Signed-off-by: Rodrigo Vivi --- tests/Makefile.am | 1 + tests/debugfs_psr_status.c | 79 ++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 80 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..44b621f --- /dev/null +++ b/tests/debugfs_psr_status.c @@ -0,0 +1,79 @@ +/* + * 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" + +int main(int argc, char *argv[]) +{ + FILE *file; + int ret, perf; + int device = drm_get_card(); + char *str; + bool sink, source, enabled; + + igt_skip_on_simulation(); + + ret = asprintf(&str, "/sys/kernel/debug/dri/%d/i915_edp_psr_status", device); + igt_assert(ret != -1); + + file = fopen(str, "r"); + igt_require(file); + + 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); + } + + igt_success(); +}