From patchwork Thu Jun 4 17:21:35 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Lespiau, Damien" X-Patchwork-Id: 6548611 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 66FD8C0020 for ; Thu, 4 Jun 2015 17:21:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 016C72075A for ; Thu, 4 Jun 2015 17:21:47 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 2F558206F4 for ; Thu, 4 Jun 2015 17:21:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 847CB6EB89; Thu, 4 Jun 2015 10:21:45 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by gabe.freedesktop.org (Postfix) with ESMTP id C86FF6EB96 for ; Thu, 4 Jun 2015 10:21:42 -0700 (PDT) Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga103.fm.intel.com with ESMTP; 04 Jun 2015 10:21:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,553,1427785200"; d="scan'208";a="737184839" Received: from phale-mobl.ger.corp.intel.com (HELO strange.ger.corp.intel.com) ([10.252.3.191]) by fmsmga002.fm.intel.com with ESMTP; 04 Jun 2015 10:21:42 -0700 From: Damien Lespiau To: intel-gfx@lists.freedesktop.org Date: Thu, 4 Jun 2015 18:21:35 +0100 Message-Id: <1433438495-16667-7-git-send-email-damien.lespiau@intel.com> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1433438495-16667-1-git-send-email-damien.lespiau@intel.com> References: <1433438495-16667-1-git-send-email-damien.lespiau@intel.com> Subject: [Intel-gfx] [PATCH 7/7] drm/i915/skl: Warn if the cached cdclk freq is not the requested one X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, T_RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable 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 Signed-off-by: Damien Lespiau Tested-By: Intel Graphics QA PRTS (Patch Regression Test System Contact: shuang.he@intel.com) --- drivers/gpu/drm/i915/intel_display.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index a232dc9..a018465 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -5627,6 +5627,10 @@ static void skl_set_cdclk(struct drm_i915_private *dev_priv, unsigned int freq) mutex_unlock(&dev_priv->rps.hw_lock); intel_update_cdclk(dev); + + WARN(freq != dev_priv->cdclk_freq, + "cdclk requested %d kHz but got %d kHz\n", + freq, dev_priv->cdclk_freq); } void skl_uninit_cdclk(struct drm_i915_private *dev_priv)