From patchwork Wed Oct 17 19:52:45 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Michal Wajdeczko X-Patchwork-Id: 10646041 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id C7DD11508 for ; Wed, 17 Oct 2018 19:52:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B7AAB28722 for ; Wed, 17 Oct 2018 19:52:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A84162872E; Wed, 17 Oct 2018 19:52:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 51EE828722 for ; Wed, 17 Oct 2018 19:52:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id D04018910C; Wed, 17 Oct 2018 19:52:53 +0000 (UTC) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga11.intel.com (mga11.intel.com [192.55.52.93]) by gabe.freedesktop.org (Postfix) with ESMTPS id 103938910C for ; Wed, 17 Oct 2018 19:52:53 +0000 (UTC) X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 17 Oct 2018 12:52:52 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.54,393,1534834800"; d="scan'208";a="98314057" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by fmsmga004.fm.intel.com with ESMTP; 17 Oct 2018 12:52:51 -0700 Received: from mwajdecz-MOBL1.ger.corp.intel.com (mwajdecz-mobl1.ger.corp.intel.com [172.28.174.54]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id w9HJqodV015037; Wed, 17 Oct 2018 20:52:50 +0100 From: Michal Wajdeczko To: intel-gfx@lists.freedesktop.org Date: Wed, 17 Oct 2018 19:52:45 +0000 Message-Id: <20181017195245.39644-1-michal.wajdeczko@intel.com> X-Mailer: git-send-email 2.10.1.windows.1 MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH v2] drm/i915/huc: Normalize HuC status returned by I915_PARAM_HAS_HUC X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Virus-Scanned: ClamAV using ClamSMTP In response for I915_PARAM_HAS_HUC we are returning value that indicates if HuC firmware was loaded and verified. However, our previously used positive value was based on specific register bit which is about to change on future platform. Let's normalize our return values to 0 and 1 before clients will start to use Gen9 value. v2: use bool for implicit conversion (Chris) Signed-off-by: Michal Wajdeczko Cc: Michal Winiarski Cc: Joonas Lahtinen Cc: Haihao Xiang Reviewed-by: Michał Winiarski #1 Cc: Chris Wilson --- drivers/gpu/drm/i915/intel_huc.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c index 37ef540d..bc27b69 100644 --- a/drivers/gpu/drm/i915/intel_huc.c +++ b/drivers/gpu/drm/i915/intel_huc.c @@ -108,13 +108,14 @@ int intel_huc_auth(struct intel_huc *huc) * This function reads status register to verify if HuC * firmware was successfully loaded. * - * Returns positive value if HuC firmware is loaded and verified - * and -ENODEV if HuC is not present. + * Returns: 1 if HuC firmware is loaded and verified, + * 0 if HuC firmware is not loaded and -ENODEV if HuC + * is not present on this platform. */ int intel_huc_check_status(struct intel_huc *huc) { struct drm_i915_private *dev_priv = huc_to_i915(huc); - u32 status; + bool status; if (!HAS_HUC(dev_priv)) return -ENODEV;