diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c index 7546103f1499..21338e6a9505 100644 --- a/drivers/gpu/drm/vc4/vc4_hdmi.c +++ b/drivers/gpu/drm/vc4/vc4_hdmi.c @@ -406,6 +406,7 @@ static void vc4_hdmi_handle_hotplug(struct vc4_hdmi *vc4_hdmi, { struct drm_connector *connector = &vc4_hdmi->connector; struct edid *edid; + int ret; /* * NOTE: This function should really be called with @@ -434,7 +435,15 @@ static void vc4_hdmi_handle_hotplug(struct vc4_hdmi *vc4_hdmi, cec_s_phys_addr_from_edid(vc4_hdmi->cec_adap, edid); kfree(edid); - vc4_hdmi_reset_link(connector, ctx); + for (;;) { + ret = vc4_hdmi_reset_link(connector, ctx); + if (ret == -EDEADLK) { + drm_modeset_backoff(ctx); + continue; + } + + break; + } } static int vc4_hdmi_connector_detect_ctx(struct drm_connector *connector,