blob: 7aee79ac7c7f3a18e9c699ccb538732a45985d56 [file] [log] [blame]
From b3d96bf0c2c11911f7edf146e34f5d366e0a5082 Mon Sep 17 00:00:00 2001
From: Paulo Zanoni <paulo.r.zanoni@intel.com>
Date: Fri, 31 May 2013 16:33:24 -0300
Subject: drm/i915: add i915_ips_status debugfs entry
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 <kristen.c.accardi@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
(cherry picked from commit 92d44621ad2d083bc03920c904ca0a5eb10d9ded)
Signed-off-by: Darren Hart <dvhart@linux.intel.com>
---
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 2b4a6fa6350e..76255a69752a 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1435,6 +1435,25 @@ 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;
@@ -2233,6 +2252,7 @@ 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},
--
1.8.5.rc3