Adding a debugfs entry to determine if DRRS is supported or not
Signed-off-by: Vandana Kannan <[email protected]>
---
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
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