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 B2A2FC27C55 for ; Fri, 7 Jun 2024 10:34:06 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4BB0110EBAE; Fri, 7 Jun 2024 10:34:06 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=intel.com header.i=@intel.com header.b="WRU5EuXm"; dkim-atps=neutral Received: from mgamail.intel.com (mgamail.intel.com [198.175.65.17]) by gabe.freedesktop.org (Postfix) with ESMTPS id AF3EA10EBAE for ; Fri, 7 Jun 2024 10:34:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1717756445; x=1749292445; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=0R0pFBorHVp2VBG8cEQt/+JN5/i54S9dGaVv5PV7dS8=; b=WRU5EuXmJiCJpLD0z3iExTBYZLD2iU9olbq19BjmDZL3i0EFtle/d4/V NxO7my0KLGlADZIU+nv/Mkog0HCB9+XMtl8W/27kA6e5q9H5fF/vMh43j Fbek8wESmYBhq3FpQJ69Bvge879fjukWULQgxWiv/gAe3LG0SoUghEpzL cnaLM51ZwYNePCWtoagMZQdM3v3nJjZt9gF+U2IJKjZyu5s7PvX/yn7JE l7TUmUpAMRfOhPgY3IJs0KAbIewRFF4cDG8PPY76BdM40QVobcmvgMlc/ HnB23DknW2OijixhOmBNArU/0sj2gjP+XH+S0ilN/PIOLwhWETG+Rbdzu g==; X-CSE-ConnectionGUID: Nwyr3k4hRnidPdbC1P5T1A== X-CSE-MsgGUID: Z91i5Gz2RMyxgeDmTaHgCw== X-IronPort-AV: E=McAfee;i="6600,9927,11095"; a="14587766" X-IronPort-AV: E=Sophos;i="6.08,220,1712646000"; d="scan'208";a="14587766" Received: from orviesa009.jf.intel.com ([10.64.159.149]) by orvoesa109.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 07 Jun 2024 03:34:04 -0700 X-CSE-ConnectionGUID: V5fxoKDrQEmD54eYmDTSDw== X-CSE-MsgGUID: q2q27ASyTZa/Cndp3XM8rA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.08,220,1712646000"; d="scan'208";a="38362086" Received: from dg2adlp-alder-lake-client-platform.iind.intel.com ([10.145.162.161]) by orviesa009.jf.intel.com with ESMTP; 07 Jun 2024 03:34:03 -0700 From: Mohammed Thasleem To: igt-dev@lists.freedesktop.org Cc: imre.deak@intel.com, Mohammed Thasleem Subject: [PATCH i-g-t] tests/intel/kms_pm_backlight: Brightness test during DPMS on and off Date: Fri, 7 Jun 2024 16:03:29 +0530 Message-Id: <20240607103329.16841-1-mohammed.thasleem@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220424005737.228759-1-mohammed.thasleem@intel.com> References: <20220424005737.228759-1-mohammed.thasleem@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" Set brightness by deviding max brightness, store and read it back. The actual brightness should be same during DPMS on and off cycle. v2: Update test path and testplan documentation. Signed-off-by: Mohammed Thasleem --- tests/intel/kms_pm_backlight.c | 41 ++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/tests/intel/kms_pm_backlight.c b/tests/intel/kms_pm_backlight.c index 2e691dab0..107b7d668 100644 --- a/tests/intel/kms_pm_backlight.c +++ b/tests/intel/kms_pm_backlight.c @@ -64,6 +64,10 @@ * SUBTEST: fade-with-suspend * Description: Test the fade with suspend. * Functionality: backlight, suspend + * + * SUBTEST: brightness-with-dpms + * Description: test brightness with dpms on and off cycle. + * Functionality: backlight, backlight */ struct context { @@ -217,6 +221,32 @@ check_suspend(igt_output_t *output) igt_system_suspend_autoresume(SUSPEND_STATE_MEM, SUSPEND_TEST_NONE); } +static void check_dpms_cycle(igt_display_t *display, igt_output_t *output, struct context *context) +{ + int max, val_1, val_2; + + backlight_read(&max, "max_brightness", context); + igt_assert(max); + + backlight_write(max / 2, "brightness", context); + backlight_read(&val_1, "actual_brightness", context); + + igt_require(igt_setup_runtime_pm(output->display->drm_fd)); + + kmstest_set_connector_dpms(output->display->drm_fd, + output->config.connector, + DRM_MODE_DPMS_OFF); + igt_require(igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_SUSPENDED)); + + kmstest_set_connector_dpms(output->display->drm_fd, + output->config.connector, + DRM_MODE_DPMS_ON); + igt_assert(igt_wait_for_pm_status(IGT_RUNTIME_PM_STATUS_ACTIVE)); + + backlight_read(&val_2, "actual_brightness", context); + igt_assert_eq(val_1, val_2); +} + static void test_cleanup(igt_display_t *display, igt_output_t *output) { igt_output_set_pipe(output, PIPE_NONE); @@ -354,6 +384,17 @@ igt_main } } + igt_describe("test brightness with dpms on and off cycle"); + igt_subtest_with_dynamic("brightness-with-dpms") { + for (int j = 0; j < (dual_edp ? 2 : 1); j++) { + test_setup(display, &contexts->output[j]); + igt_dynamic_f("%s", igt_output_name(contexts[j].output)) { + check_dpms_cycle(&display, &contexts->output[j], &contexts[j]); + test_cleanup(&display, &contexts->output[j]); + } + } + } + igt_fixture { /* Restore old brightness */ for (i = 0; i < (dual_edp ? 2 : 1); i++) -- 2.25.1