From patchwork Thu Jun 18 08:30:22 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Vetter X-Patchwork-Id: 6634391 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 [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C0647C0020 for ; Thu, 18 Jun 2015 08:30:45 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id EF47C20792 for ; Thu, 18 Jun 2015 08:30:44 +0000 (UTC) Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) by mail.kernel.org (Postfix) with ESMTP id 29E4C20786 for ; Thu, 18 Jun 2015 08:30:44 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 638826E613; Thu, 18 Jun 2015 01:30:43 -0700 (PDT) X-Original-To: intel-gfx@lists.freedesktop.org Delivered-To: intel-gfx@lists.freedesktop.org Received: from mail-wi0-f170.google.com (mail-wi0-f170.google.com [209.85.212.170]) by gabe.freedesktop.org (Postfix) with ESMTP id A55E96E369 for ; Thu, 18 Jun 2015 01:30:40 -0700 (PDT) Received: by wiwd19 with SMTP id d19so15228921wiw.0 for ; Thu, 18 Jun 2015 01:30:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ffwll.ch; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=VdHdAwh9/1nveJgNSJwgyoTT6KcJm1UM8PMGbTTMsro=; b=LyHCbNeM3NU7v22aT3jev8BY2GxC7wp4BKn+cVZLqJz6svwMGxw55AAt0g1u/OJ4m7 3fg0+HV/ta78jy/vRc8Kx0deVOnChom+D+bbRlB4NYRDbCT7PRAj0iwbAvSzV8l2zEiW IIVw75r7wSDFqX/zjXtbXgxYeEFvF7ieCi/+0= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=VdHdAwh9/1nveJgNSJwgyoTT6KcJm1UM8PMGbTTMsro=; b=YVS2ITXfuSfrHR0ULjZ6s7irJKpTUGKfg7D8xDYklzhYV4GiQtbpvB5YQv06bdbWJn VV2qeHRMVp368bi8n3Dko8pSsUZ1uffmRlTmhl4Q401UzSq0Z7s1C7Ey09b+2HJg+EKH jFISUzqfG2N3kokNRfu0pNPFgGy6JJXoJZsG+U7lrxuP0hPLIwIi6RYq1SLvqCkEyGdV BXyUl4xDS31DEaMfO3WX18gLfQZyA4qe7JTINcgRIdwq0LCBisFtql3no2Yv0BXgtWY/ h+h5x3nuKxbkLb36fCGbSAQSQLEWFZin0tXHFRkJPwv6bswJOYkfUggYJtMpELYpK7AD nTUQ== X-Gm-Message-State: ALoCoQlK679JhjV916dEBytuhCnsIGPI4O4Ghx2PrNL1Pb1yExv5/RJK/tm3JaI2lLczhxp9XvPy X-Received: by 10.194.22.105 with SMTP id c9mr4842981wjf.120.1434616239463; Thu, 18 Jun 2015 01:30:39 -0700 (PDT) Received: from wespe.ffwll.local (212-51-149-109.fiber7.init7.net. [212.51.149.109]) by mx.google.com with ESMTPSA id di7sm11961723wib.23.2015.06.18.01.30.38 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 18 Jun 2015 01:30:38 -0700 (PDT) From: Daniel Vetter To: Intel Graphics Development Date: Thu, 18 Jun 2015 10:30:22 +0200 Message-Id: <1434616228-28358-3-git-send-email-daniel.vetter@ffwll.ch> X-Mailer: git-send-email 2.1.0 In-Reply-To: <1434616228-28358-1-git-send-email-daniel.vetter@ffwll.ch> References: <1434616228-28358-1-git-send-email-daniel.vetter@ffwll.ch> Cc: Daniel Vetter , Daniel Vetter Subject: [Intel-gfx] [PATCH 3/9] drm/i915: debugfs for frontbuffer tracking 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=-4.4 required=5.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_MED,RP_MATCHES_RCVD,T_DKIM_INVALID,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 Useful to figure out whether stuck bits are due to the frontbuffer tracking code as opposed to individual consumers (who have their own bitmask tracking). Signed-off-by: Daniel Vetter Reviewed-by: Paulo Zanoni --- drivers/gpu/drm/i915/i915_debugfs.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index c49fe2afa223..f3b80627d5b7 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1581,6 +1581,21 @@ static int i915_drpc_info(struct seq_file *m, void *unused) return ironlake_drpc_info(m); } +static int i915_frontbuffer_tracking(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + seq_printf(m, "FB tracking busy bits: 0x%08x\n", + dev_priv->fb_tracking.busy_bits); + + seq_printf(m, "FB tracking flip bits: 0x%08x\n", + dev_priv->fb_tracking.flip_bits); + + return 0; +} + static int i915_fbc_status(struct seq_file *m, void *unused) { struct drm_info_node *node = m->private; @@ -5024,6 +5039,7 @@ static const struct drm_info_list i915_debugfs_list[] = { {"i915_drpc_info", i915_drpc_info, 0}, {"i915_emon_status", i915_emon_status, 0}, {"i915_ring_freq_table", i915_ring_freq_table, 0}, + {"i915_frontbuffer_tracking", i915_frontbuffer_tracking, 0}, {"i915_fbc_status", i915_fbc_status, 0}, {"i915_ips_status", i915_ips_status, 0}, {"i915_sr_status", i915_sr_status, 0},