[PATCH 2/5] drm/i915: add display power well report out to debugfs

Jesse Barnes
2013-10-14T23:07:54Z

For tracking current state.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
---
drivers/gpu/drm/i915/i915_debugfs.c | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 5fd6a5d..9f81e80 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -1727,6 +1727,18 @@ static int i915_pc8_status(struct seq_file *m, void *unused)
return 0;
}

+static int i915_display_power_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;
+ bool enabled;
+
+ enabled = intel_display_power_enabled(dev, POWER_DOMAIN_VGA);
+ seq_printf(m, "Display power on: %s\n", yesno(enabled));
+
+ return 0;
+}
+
static int
i915_wedged_get(void *data, u64 *val)
{
@@ -2234,6 +2246,7 @@ static struct drm_info_list i915_debugfs_list[] = {
{"i915_edp_psr_status", i915_edp_psr_status, 0},
{"i915_energy_uJ", i915_energy_uJ, 0},
{"i915_pc8_status", i915_pc8_status, 0},
+ {"i915_display_power_status", i915_display_power_status, 0},
};
#define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)

--
1.8.3.1