From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paulo Zanoni Subject: [PATCH 3/3] drm/i915: add i915_ips_status debugfs entry Date: Fri, 31 May 2013 16:33:24 -0300 Message-ID: <1370028804-3074-3-git-send-email-przanoni@gmail.com> References: <1370028804-3074-1-git-send-email-przanoni@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail-gg0-f175.google.com (mail-gg0-f175.google.com [209.85.161.175]) by gabe.freedesktop.org (Postfix) with ESMTP id DB53AE5F64 for ; Fri, 31 May 2013 12:33:51 -0700 (PDT) Received: by mail-gg0-f175.google.com with SMTP id v1so446916ggn.34 for ; Fri, 31 May 2013 12:33:51 -0700 (PDT) In-Reply-To: <1370028804-3074-1-git-send-email-przanoni@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: Paulo Zanoni List-Id: intel-gfx@lists.freedesktop.org From: Paulo Zanoni It just prints whether it's supported/enabled/disabled. Feature requested by the power management team. v2: Checkpatch started complaining about seq_printf with 1 argument. Requested-by: Kristen Accardi Signed-off-by: Paulo Zanoni --- drivers/gpu/drm/i915/i915_debugfs.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c index 2eb572a..f5c6917 100644 --- a/drivers/gpu/drm/i915/i915_debugfs.c +++ b/drivers/gpu/drm/i915/i915_debugfs.c @@ -1434,6 +1434,25 @@ static int i915_fbc_status(struct seq_file *m, void *unused) return 0; } +static int i915_ips_status(struct seq_file *m, void *unused) +{ + struct drm_info_node *node = (struct drm_info_node *) m->private; + struct drm_device *dev = node->minor->dev; + struct drm_i915_private *dev_priv = dev->dev_private; + + if (!IS_ULT(dev)) { + seq_puts(m, "not supported\n"); + return 0; + } + + if (I915_READ(IPS_CTL) & IPS_ENABLE) + seq_puts(m, "enabled\n"); + else + seq_puts(m, "disabled\n"); + + return 0; +} + static int i915_sr_status(struct seq_file *m, void *unused) { struct drm_info_node *node = (struct drm_info_node *) m->private; @@ -2231,6 +2250,7 @@ static struct drm_info_list i915_debugfs_list[] = { {"i915_ring_freq_table", i915_ring_freq_table, 0}, {"i915_gfxec", i915_gfxec, 0}, {"i915_fbc_status", i915_fbc_status, 0}, + {"i915_ips_status", i915_ips_status, 0}, {"i915_sr_status", i915_sr_status, 0}, {"i915_opregion", i915_opregion, 0}, {"i915_gem_framebuffer", i915_gem_framebuffer_info, 0}, -- 1.8.1.2