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 26108C47258 for ; Tue, 23 Jan 2024 14:09:12 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 3239210E812; Tue, 23 Jan 2024 14:09:08 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) by gabe.freedesktop.org (Postfix) with ESMTPS id 2983810E812 for ; Tue, 23 Jan 2024 14:09:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706018946; x=1737554946; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=DEl8dmVM8D7F+8RVPR5nn9oyAH7lquJkSebS9aPcaGg=; b=JmF/7dEo7jkzkeCT7WetuuX2P5PpZQr5hMi7BmEV+ITn9LuQWrQ95qjq o45Aib/9OPGDAwFTfZIiE2joIwFm+/RodMRNk+xsXsL6JpEIzF+ftQefL Czw406YlwDjyAxzMtXuekLTuVRkUA29UXi8Mpewylieo8y/4B1mn1XsDW f24fhul6JvDPPG7IeusuCKOJpXUP31BpWr6i5BAIetN6Ge/n4KExjPeW+ PtMs4BAVhq4U9ISRKumXU7zl87dbFzRayR0BXCb0vdh9VUT645CXVDYfK qTaut7O2ns4ogAIyXZjC7dZuqVVoY0J9Q5KNv/rViCnPScV0GOe7b/5qy A==; X-IronPort-AV: E=McAfee;i="6600,9927,10961"; a="15047227" X-IronPort-AV: E=Sophos;i="6.05,214,1701158400"; d="scan'208";a="15047227" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2024 06:09:05 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.05,214,1701158400"; d="scan'208";a="1559004" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by orviesa005-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 23 Jan 2024 06:09:04 -0800 From: Kunal Joshi To: igt-dev@lists.freedesktop.org Subject: [PATCH i-g-t 1/2] lib/igt_psr: add helper to check of given psr mode can be enabled Date: Tue, 23 Jan 2024 19:48:34 +0530 Message-Id: <20240123141835.1211107-2-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240123141835.1211107-1-kunal1.joshi@intel.com> References: <20240123141835.1211107-1-kunal1.joshi@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: , Cc: Kunal Joshi Errors-To: igt-dev-bounces@lists.freedesktop.org Sender: "igt-dev" Check if given psr mode can be enabled by reading enable_psr modparam Signed-off-by: Kunal Joshi --- lib/igt_psr.c | 23 +++++++++++++++++++++++ lib/igt_psr.h | 1 + 2 files changed, 24 insertions(+) diff --git a/lib/igt_psr.c b/lib/igt_psr.c index 663bac163..181499cf7 100644 --- a/lib/igt_psr.c +++ b/lib/igt_psr.c @@ -394,3 +394,26 @@ enum psr_mode psr_get_mode(int debugfs_fd) return PSR_DISABLED; } + +/** + * is_psr_enable_possible + * Check if given psr mode can be enabled by reading enable_psr + * modparam + * + * Returns: + * True if given psr mode can be enabled, false otherwise. + */ +bool is_psr_enable_possible(int drm_fd, enum psr_mode mode) +{ + char *param_value; + int enable_psr; + + param_value = __igt_params_get(drm_fd, "enable_psr"); + if (!is_i915_device(drm_fd) && !param_value) { + igt_info("Failed to retrieve module parameter enable_psr\n"); + return false; + } + enable_psr = atoi(param_value); + free(param_value); + return enable_psr > mode; +} diff --git a/lib/igt_psr.h b/lib/igt_psr.h index 36711c0d4..82a4e8c5e 100644 --- a/lib/igt_psr.h +++ b/lib/igt_psr.h @@ -61,5 +61,6 @@ bool i915_psr2_selective_fetch_check(int drm_fd); bool i915_psr2_sel_fetch_to_psr1(int drm_fd); void i915_psr2_sel_fetch_restore(int drm_fd); +bool is_psr_enable_possible(int drm_fd, enum psr_mode mode); #endif -- 2.25.1