1 files changed, 4 insertions, 1 deletions

diff --git a/drivers/gpu/drm/i915/i915_debugfs.c b/drivers/gpu/drm/i915/i915_debugfs.c
index 0bd890c04fe4..f6f6e5b78e97 100644
--- a/drivers/gpu/drm/i915/i915_debugfs.c
+++ b/drivers/gpu/drm/i915/i915_debugfs.c
@@ -4830,7 +4830,10 @@ static int i915_dsc_fec_support_show(struct seq_file *m, void *data)
                 ret = drm_modeset_lock(&dev->mode_config.connection_mutex,
                                        &ctx);
                 if (ret) {
-                        ret = -EINTR;
+                        if (ret == -EDEADLK && !drm_modeset_backoff(&ctx)) {
+                                try_again = true;
+                                continue;
+                        }
                         break;
                 }
                 crtc = connector->state->crtc;