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 B0586C47DDF for ; Wed, 24 Jan 2024 10:24:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D3FF210F6D8; Wed, 24 Jan 2024 10:24:43 +0000 (UTC) Received: from mgamail.intel.com (mgamail.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTPS id 9A19410F454 for ; Wed, 24 Jan 2024 10:24:41 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1706091881; x=1737627881; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Ln0+subLTzKnh6fybJdaC21/6m8svD43K/JLfwz7GhI=; b=SRYexTjp5vnKK8rT5bIkrotenp0/beqSGVMtCoMvtnZv8B7cZ4GZC3zr JFmZhR+8gHsoWgSJjg/4NjysKEKS2eAK4des12W6mPHBoQXGXtVsbxTi8 /8cRJrfRRU3GBz30WrMD13xzOytu0ZaGAmJzbatOmafujE5ZfQcPBXo79 Cb7gJs39MTubHV76Wk4Jcp2OBOz1kPKArL60YCLOVhb0ftghwYnLQfoOx oGklNs5fn44cmcNKoUUPv6AfZ4utau7EU08tEYKLAUmCHKTBb3E4qk/VJ uoBd2d6CFpyQC4unibtmYBFDxmrHj8PIvTxoz96eM7zfJ0IO9OC8NZq4o A==; X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="401463956" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="401463956" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2024 02:24:40 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10962"; a="905546517" X-IronPort-AV: E=Sophos;i="6.05,216,1701158400"; d="scan'208";a="905546517" Received: from kunal-x299-aorus-gaming-3-pro.iind.intel.com ([10.190.239.13]) by fmsmga002-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 24 Jan 2024 02:24:39 -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: Wed, 24 Jan 2024 16:04:09 +0530 Message-Id: <20240124103410.1259607-2-kunal1.joshi@intel.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20240124103410.1259607-1-kunal1.joshi@intel.com> References: <20240124103410.1259607-1-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 Cc: Jeevan B Cc: Bhanuprakash Modem Signed-off-by: Kunal Joshi Reviewed-by: Jeevan B --- lib/igt_psr.c | 20 ++++++++++++++++++++ lib/igt_psr.h | 1 + 2 files changed, 21 insertions(+) diff --git a/lib/igt_psr.c b/lib/igt_psr.c index 663bac163..ac214fcfc 100644 --- a/lib/igt_psr.c +++ b/lib/igt_psr.c @@ -394,3 +394,23 @@ 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"); + igt_assert_f(param_value, "Could not read enable_psr modparam\n"); + 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