From patchwork Sat Sep 12 04:47:55 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: sagar.a.kamble@intel.com X-Patchwork-Id: 7165861 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 9B0449F380 for ; Sat, 12 Sep 2015 04:46:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id BB8842067A for ; Sat, 12 Sep 2015 04:46:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id DC25A20653 for ; Sat, 12 Sep 2015 04:46:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 5812772071; Fri, 11 Sep 2015 21:46:43 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga01.intel.com (mga01.intel.com [192.55.52.88]) by gabe.freedesktop.org (Postfix) with ESMTP id 2C2BA72078 for ; Fri, 11 Sep 2015 21:46:42 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga101.fm.intel.com with ESMTP; 11 Sep 2015 21:46:42 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.17,516,1437462000"; d="scan'208";a="802864760" Received: from sakamble-desktop.iind.intel.com ([10.223.82.56]) by orsmga002.jf.intel.com with ESMTP; 11 Sep 2015 21:46:40 -0700 From: Sagar Arun Kamble To: intel-gfx@lists.freedesktop.org Date: Sat, 12 Sep 2015 10:17:55 +0530 Message-Id: <1442033276-2191-7-git-send-email-sagar.a.kamble@intel.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1442033276-2191-1-git-send-email-sagar.a.kamble@intel.com> References: <1442033276-2191-1-git-send-email-sagar.a.kamble@intel.com> Subject: [Intel-gfx] [PATCH v2 6/7] drm/i915/guc: Notify coarse power gating configuration to GuC properly 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: Alex Dai GuC expects two bits for Render and Media domain separately when driver sends data via host2guc SAMPLE_FORCEWAKE when full coarse power gating is enabled. Bit 0 is for Render and bit 1 is for Media domain. Signed-off-by: Alex Dai Signed-off-by: Sagar Arun Kamble --- drivers/gpu/drm/i915/i915_guc_submission.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/gpu/drm/i915/i915_guc_submission.c b/drivers/gpu/drm/i915/i915_guc_submission.c index 792d0b9..05d1eff4 100644 --- a/drivers/gpu/drm/i915/i915_guc_submission.c +++ b/drivers/gpu/drm/i915/i915_guc_submission.c @@ -155,10 +155,17 @@ static int host2guc_sample_forcewake(struct intel_guc *guc, struct i915_guc_client *client) { struct drm_i915_private *dev_priv = guc_to_i915(guc); + struct drm_device *dev = dev_priv->dev; u32 data[2]; data[0] = HOST2GUC_ACTION_SAMPLE_FORCEWAKE; - data[1] = (intel_enable_rc6(dev_priv->dev)) ? 1 : 0; + + /* Notify GuC about Coarse Power Gating where supported */ + if ((IS_BROXTON(dev) && (INTEL_REVID(dev) < BXT_REVID_B0)) || + ((IS_SKL_GT3(dev) || IS_SKL_GT4(dev)) && (INTEL_REVID(dev) <= SKL_REVID_E0))) + data[1] = 0; + else + data[1] = (intel_enable_rc6(dev)) ? 3 : 0; return host2guc_action(guc, data, 2); }