From patchwork Thu Nov 5 18:50:15 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 7563191 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 765599F2F7 for ; Thu, 5 Nov 2015 18:49:56 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id A4CF120794 for ; Thu, 5 Nov 2015 18:49:55 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id C08EA20786 for ; Thu, 5 Nov 2015 18:49:54 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 217836E4B7; Thu, 5 Nov 2015 10:49:54 -0800 (PST) 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 BBA406E465 for ; Thu, 5 Nov 2015 10:49:50 -0800 (PST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by orsmga102.jf.intel.com with ESMTP; 05 Nov 2015 10:49:46 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.20,248,1444719600"; d="scan'208";a="843493326" Received: from rdvivi-hillsboro.jf.intel.com ([10.7.196.156]) by orsmga002.jf.intel.com with ESMTP; 05 Nov 2015 10:49:45 -0800 From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Thu, 5 Nov 2015 10:50:15 -0800 Message-Id: <1446749423-4789-24-git-send-email-rodrigo.vivi@intel.com> X-Mailer: git-send-email 2.4.3 In-Reply-To: <1446749423-4789-1-git-send-email-rodrigo.vivi@intel.com> References: <1446749423-4789-1-git-send-email-rodrigo.vivi@intel.com> Cc: Rodrigo Vivi Subject: [Intel-gfx] [PATCH 23/31] drm/i915: Reduce PSR re-activation time for VLV/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 With 'commit 30886c5a ("drm/i915: VLV/CHV PSR: Increase wait delay time before active PSR.")' we fixed a blank screen when first activation was happening immediately after PSR being enabled. There we gave more time for idleness by increasing the delay between re-activating sequences. However, commit "drm/i915: Delay first PSR activation." delay the first activation in a better way keeping a good PSR residency. So, we can now reduce the delay on re-enable. Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/intel_psr.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/gpu/drm/i915/intel_psr.c b/drivers/gpu/drm/i915/intel_psr.c index 6e7e8e6..c090f38 100644 --- a/drivers/gpu/drm/i915/intel_psr.c +++ b/drivers/gpu/drm/i915/intel_psr.c @@ -738,7 +738,6 @@ void intel_psr_flush(struct drm_device *dev, struct drm_i915_private *dev_priv = dev->dev_private; struct drm_crtc *crtc; enum pipe pipe; - int delay_ms = HAS_DDI(dev) ? 100 : 500; mutex_lock(&dev_priv->psr.lock); if (!dev_priv->psr.enabled) { @@ -759,7 +758,7 @@ void intel_psr_flush(struct drm_device *dev, if (!dev_priv->psr.active && !dev_priv->psr.busy_frontbuffer_bits) if (!work_busy(&dev_priv->psr.work.work)) schedule_delayed_work(&dev_priv->psr.work, - msecs_to_jiffies(delay_ms)); + msecs_to_jiffies(100)); mutex_unlock(&dev_priv->psr.lock); }