From patchwork Mon May 5 12:47:38 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: deepak.s@linux.intel.com X-Patchwork-Id: 4114691 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 [198.145.19.201]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 62AC7BFF02 for ; Mon, 5 May 2014 12:48:07 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 785E0202A1 for ; Mon, 5 May 2014 12:48:06 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 823BE20219 for ; Mon, 5 May 2014 12:48:05 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 081966E89D; Mon, 5 May 2014 05:48:05 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga03.intel.com (mga03.intel.com [143.182.124.21]) by gabe.freedesktop.org (Postfix) with ESMTP id 325206E89B for ; Mon, 5 May 2014 05:48:03 -0700 (PDT) Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by azsmga101.ch.intel.com with ESMTP; 05 May 2014 05:48:02 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.97,988,1389772800"; d="scan'208";a="526183622" Received: from ds1-mobl1.gar.corp.intel.com (HELO deepaks.iind.intel.com) ([10.223.184.86]) by fmsmga001.fm.intel.com with ESMTP; 05 May 2014 05:48:01 -0700 From: deepak.s@linux.intel.com To: intel-gfx@lists.freedesktop.org Date: Mon, 5 May 2014 18:17:38 +0530 Message-Id: <1399294059-20748-10-git-send-email-deepak.s@linux.intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1399294059-20748-1-git-send-email-deepak.s@linux.intel.com> References: <1399294059-20748-1-git-send-email-deepak.s@linux.intel.com> MIME-Version: 1.0 Cc: fafael.barbalho@intel.com Subject: [Intel-gfx] [PATCH 09/10] drm/i915/chv: Added CHV specific DDR fetch into init_clock_gating X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.15 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-Spam-Status: No, score=-4.8 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, 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 Signed-off-by: Deepak S [vsyrjala: Fix merge fubmle where the code ended up in g4x_disable_trickle_feed() instead of cherryview_init_clock_gating()] Signed-off-by: Ville Syrjälä Acked-by: Ben Widawsky --- drivers/gpu/drm/i915/intel_pm.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index dedbdf3..0d9b831 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3985,7 +3985,18 @@ static void cherryview_enable_rps(struct drm_device *dev) GEN6_RP_UP_BUSY_AVG | GEN6_RP_DOWN_IDLE_AVG); + /* ToDo: Update the mem freq based on latest spec [CHV]*/ val = vlv_punit_read(dev_priv, PUNIT_REG_GPU_FREQ_STS); + switch ((val >> 6) & 3) { + case 0: + case 1: + case 2: + dev_priv->mem_freq = 1600; + break; + case 3: + dev_priv->mem_freq = 2000; + break; + } DRM_DEBUG_DRIVER("GPLL enabled? %s\n", val & 0x10 ? "yes" : "no"); DRM_DEBUG_DRIVER("GPU status: 0x%08x\n", val);