[Intel-gfx] [PATCH 9/10] drm/i915: Add debugfs entry for DRRS

[Vandana Kannan]

Adding a debugfs entry to determine if DRRS is supported or not

Signed-off-by: Vandana Kannan <vandana.kannan at intel.com>
---
 drivers/gpu/drm/i915/i915_debugfs.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index e515aad..544b4c3 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -2825,6 +2825,23 @@ static int i915_ddb_info(struct seq_file *m, void *unused)
 	return 0;
 }
 
+static int i915_drrs_status(struct seq_file *m, void *unused)
+{
+	struct drm_info_node *node = m->private;
+	struct drm_device *dev = node->minor->dev;
+	struct intel_crtc *crtc;
+
+	for_each_intel_crtc(dev, crtc) {
+		if (crtc->active) {
+			if (crtc->config.has_drrs)
+				seq_puts(m, "DRRS enabled");
+			else
+				seq_puts(m, "DRRS disabled");
+		}
+	}
+	return 0;
+}
+
 struct pipe_crc_info {
 	const char *name;
 	struct drm_device *dev;
@@ -4437,6 +4454,7 @@ static const struct drm_info_list i915_debugfs_list[] = {
 	{"i915_dp_mst_info", i915_dp_mst_info, 0},
 	{"i915_wa_registers", i915_wa_registers, 0},
 	{"i915_ddb_info", i915_ddb_info, 0},
+	{"i915_drrs_status", i915_drrs_status, 0},
 };
 #define I915_DEBUGFS_ENTRIES ARRAY_SIZE(i915_debugfs_list)
 
-- 
2.0.1