From: Paulo Zanoni <paulo.r.zanoni at intel.com>
It just prints whether it's supported/enabled/disabled. Feature
requested by the power management team.
Requested-by: Kristen Accardi <kristen.c.accardi at intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni at 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 a55630a..382ba64 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1311,6 +1311,25 @@ 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_printf(m, "not supported\n");
+ return 0;
+ }
+
+ if (I915_READ(IPS_CTL) & IPS_ENABLE)
+ seq_printf(m, "enabled\n");
+ else
+ seq_printf(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;
@@ -2108,6 +2127,7 @@ 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},
--
1.7.10.4
