From patchwork Sat Mar 28 09:53:36 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: deepak.s@linux.intel.com X-Patchwork-Id: 6113551 Return-Path: X-Original-To: patchwork-intel-gfx@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id DF7699F327 for ; Sat, 28 Mar 2015 09:57:09 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id D848020380 for ; Sat, 28 Mar 2015 09:57:08 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id AF5BC2038A for ; Sat, 28 Mar 2015 09:57:07 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 48DA26E446; Sat, 28 Mar 2015 02:57:07 -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 00D566E446 for ; Sat, 28 Mar 2015 02:57:02 -0700 (PDT) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga103.fm.intel.com with ESMTP; 28 Mar 2015 02:57:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,484,1422950400"; d="scan'208";a="686936970" Received: from deepu.iind.intel.com ([10.223.82.32]) by fmsmga001.fm.intel.com with ESMTP; 28 Mar 2015 02:57:01 -0700 From: deepak.s@linux.intel.com To: intel-gfx@lists.freedesktop.org Date: Sat, 28 Mar 2015 15:23:36 +0530 Message-Id: <1427536418-22801-4-git-send-email-deepak.s@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1427536418-22801-1-git-send-email-deepak.s@linux.intel.com> References: <1427536418-22801-1-git-send-email-deepak.s@linux.intel.com> Subject: [Intel-gfx] [PATCH v3 3/5] drm/i915/chv: Set min freq to efficient frequency on chv 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 From: Deepak S After feedback from the hardware team, now we set the GPU min/idel freq to RPe. Punit is expecting us to operate GPU between Rpe & Rp0. If we drop the frequency to RPn, punit is failing to change the input voltage to minimum :( v2: Change commit message v3: set min_freq before idle_freq (chris) Signed-off-by: Deepak S Acked-by: Chris Wilson --- drivers/gpu/drm/i915/intel_pm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 44428e4..2f7d2e0 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -4934,7 +4934,8 @@ static void cherryview_init_gt_powersave(struct drm_device *dev) intel_gpu_freq(dev_priv, dev_priv->rps.rp1_freq), dev_priv->rps.rp1_freq); - dev_priv->rps.min_freq = cherryview_rps_min_freq(dev_priv); + /* PUnit validated range is only [RPe, RP0] */ + dev_priv->rps.min_freq = dev_priv->rps.efficient_freq; DRM_DEBUG_DRIVER("min GPU freq: %d MHz (%u)\n", intel_gpu_freq(dev_priv, dev_priv->rps.min_freq), dev_priv->rps.min_freq);