@@ -301,8 +301,14 @@ void intel_crtc_drrs_init(struct intel_crtc *crtc)
static int intel_drrs_debugfs_status_show(struct seq_file *m, void *unused)
{
struct intel_crtc *crtc = m->private;
- const struct intel_crtc_state *crtc_state =
- to_intel_crtc_state(crtc->base.state);
+ const struct intel_crtc_state *crtc_state;
+ int ret;
+
+ ret = drm_modeset_lock_single_interruptible(&crtc->base.mutex);
+ if (ret)
+ return ret;
+
+ crtc_state = to_intel_crtc_state(crtc->base.state);
mutex_lock(&crtc->drrs.mutex);
@@ -321,6 +327,8 @@ static int intel_drrs_debugfs_status_show(struct seq_file *m, void *unused)
mutex_unlock(&crtc->drrs.mutex);
+ drm_modeset_unlock(&crtc->base.mutex);
+
return 0;
}