From patchwork Fri Jul 11 17:30:17 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Rodrigo Vivi X-Patchwork-Id: 4538411 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 [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 246349F433 for ; Sat, 12 Jul 2014 00:28:48 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 6A36020254 for ; Sat, 12 Jul 2014 00:28:47 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 31D8D202EC for ; Sat, 12 Jul 2014 00:28:46 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 53F8F8A262; Fri, 11 Jul 2014 17:28:42 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mga02.intel.com (mga02.intel.com [134.134.136.20]) by gabe.freedesktop.org (Postfix) with ESMTP id 1761A6E216 for ; Fri, 11 Jul 2014 17:28:41 -0700 (PDT) Received: from orsmga001.jf.intel.com ([10.7.209.18]) by orsmga101.jf.intel.com with ESMTP; 11 Jul 2014 17:28:39 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.01,646,1400050800"; d="scan'208";a="542272163" Received: from di-604.jf.intel.com (HELO rdvivi-hillsboro.jf.intel.com) ([10.7.201.28]) by orsmga001.jf.intel.com with ESMTP; 11 Jul 2014 17:28:35 -0700 From: Rodrigo Vivi To: intel-gfx@lists.freedesktop.org Date: Fri, 11 Jul 2014 10:30:17 -0700 Message-Id: <1405099819-11119-9-git-send-email-rodrigo.vivi@intel.com> X-Mailer: git-send-email 1.9.3 In-Reply-To: <1405099819-11119-1-git-send-email-rodrigo.vivi@intel.com> References: <1405099819-11119-1-git-send-email-rodrigo.vivi@intel.com> Cc: Daniel Vetter , Rodrigo Vivi Subject: [Intel-gfx] [PATCH 09/11] drm/i915: Improve PSR debugfs output 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: , MIME-Version: 1.0 Errors-To: intel-gfx-bounces@lists.freedesktop.org Sender: "Intel-gfx" X-Spam-Status: No, score=-3.3 required=5.0 tests=BAYES_00, DATE_IN_PAST_06_12, 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: Daniel Vetter Add busy_frontbuffer_bits and locking. Reviewed-by: Rodrigo Vivi Signed-off-by: Daniel Vetter Signed-off-by: Rodrigo Vivi --- drivers/gpu/drm/i915/i915_debugfs.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 62ea619..fc39610 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1892,10 +1892,15 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) intel_runtime_pm_get(dev_priv); + mutex_lock(&dev_priv->psr.lock); seq_printf(m, "Sink_Support: %s\n", yesno(dev_priv->psr.sink_support)); seq_printf(m, "Source_OK: %s\n", yesno(dev_priv->psr.source_ok)); seq_printf(m, "Enabled: %s\n", yesno((bool)dev_priv->psr.enabled)); seq_printf(m, "Active: %s\n", yesno(dev_priv->psr.active)); + seq_printf(m, "Busy frontbuffer bits: 0x%03x\n", + dev_priv->psr.busy_frontbuffer_bits); + seq_printf(m, "Re-enable work scheduled: %s\n", + yesno(work_busy(&dev_priv->psr.work.work))); enabled = HAS_PSR(dev) && I915_READ(EDP_PSR_CTL(dev)) & EDP_PSR_ENABLE; @@ -1905,6 +1910,7 @@ static int i915_edp_psr_status(struct seq_file *m, void *data) psrperf = I915_READ(EDP_PSR_PERF_CNT(dev)) & EDP_PSR_PERF_CNT_MASK; seq_printf(m, "Performance_Counter: %u\n", psrperf); + mutex_unlock(&dev_priv->psr.lock); intel_runtime_pm_put(dev_priv); return 0;