From patchwork Tue Jun 25 16:21:06 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?b?VmlsbGUgU3lyasOkbMOk?= X-Patchwork-Id: 2778041 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 C1A73C0AB1 for ; Tue, 25 Jun 2013 16:22:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A4EC020364 for ; Tue, 25 Jun 2013 16:22:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 82DBE20186 for ; Tue, 25 Jun 2013 16:22:43 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 6CE3EE6108 for ; Tue, 25 Jun 2013 09:22:43 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id B8655E60CF for ; Tue, 25 Jun 2013 09:21:33 -0700 (PDT) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 25 Jun 2013 09:19:12 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.87,938,1363158000"; d="scan'208";a="359358139" Received: from stinkbox.fi.intel.com (HELO stinkbox) ([10.237.72.168]) by orsmga002.jf.intel.com with SMTP; 25 Jun 2013 09:21:31 -0700 Received: by stinkbox (sSMTP sendmail emulation); Tue, 25 Jun 2013 19:21:30 +0300 From: ville.syrjala@linux.intel.com To: intel-gfx@lists.freedesktop.org Date: Tue, 25 Jun 2013 19:21:06 +0300 Message-Id: <1372177266-2665-7-git-send-email-ville.syrjala@linux.intel.com> X-Mailer: git-send-email 1.8.1.5 In-Reply-To: <1372177266-2665-1-git-send-email-ville.syrjala@linux.intel.com> References: <1372177266-2665-1-git-send-email-ville.syrjala@linux.intel.com> MIME-Version: 1.0 Subject: [Intel-gfx] [PATCH 6/6] drm/i915: GEN6_RP_INTERRUPT_LIMITS doesn't seem to exist on VLV X-BeenThere: intel-gfx@lists.freedesktop.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Intel graphics driver community testing & development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+patchwork-intel-gfx=patchwork.kernel.org@lists.freedesktop.org X-Spam-Status: No, score=-5.5 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: Ville Syrjälä I can't find GEN6_RP_INTERRUPT_LIMITS (0xA014) anywhere in VLV docs. Reading it always returns zero from what I can tell, and eliminating it doesn't seem to make any difference to the behaviour of the system. Signed-off-by: Ville Syrjälä --- drivers/gpu/drm/i915/intel_pm.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 8b7475e..96cfb3e 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3107,7 +3107,8 @@ static void vlv_update_rps_cur_delay(struct drm_i915_private *dev_priv) void valleyview_set_rps(struct drm_device *dev, u8 val) { struct drm_i915_private *dev_priv = dev->dev_private; - u32 limits = gen6_rps_limits(dev_priv, &val); + + gen6_rps_limits(dev_priv, &val); WARN_ON(!mutex_is_locked(&dev_priv->rps.hw_lock)); WARN_ON(val > dev_priv->rps.max_delay); @@ -3126,11 +3127,6 @@ void valleyview_set_rps(struct drm_device *dev, u8 val) vlv_punit_write(dev_priv, PUNIT_REG_GPU_FREQ_REQ, val); - /* Make sure we continue to get interrupts - * until we hit the minimum or maximum frequencies. - */ - I915_WRITE(GEN6_RP_INTERRUPT_LIMITS, limits); - dev_priv->rps.cur_delay = val; trace_intel_gpu_freq_change(vlv_gpu_freq(dev_priv->mem_freq, val));