Use the helper function to update the connector's information. This
makes sure that HDMI-related events are handled in a generic way.
Currently it is limited to the HDMI state reporting to the sound system.

Acked-by: Maxime Ripard <mrip...@kernel.org>
Tested-by: Dave Stevenson <dave.steven...@raspberrypi.com>
Signed-off-by: Dmitry Baryshkov <dmitry.barysh...@linaro.org>
---
 drivers/gpu/drm/vc4/vc4_hdmi.c | 9 +++------
 1 file changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 
4949171c28876a9145ddf03e99c00feff4df255a..47d9ada98430634cfd8c1e21c2a4d00d501bab7e
 100644
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -384,7 +384,6 @@ static void vc4_hdmi_handle_hotplug(struct vc4_hdmi 
*vc4_hdmi,
                                    enum drm_connector_status status)
 {
        struct drm_connector *connector = &vc4_hdmi->connector;
-       const struct drm_edid *drm_edid;
        int ret;
 
        /*
@@ -406,17 +405,14 @@ static void vc4_hdmi_handle_hotplug(struct vc4_hdmi 
*vc4_hdmi,
                return;
        }
 
-       drm_edid = drm_edid_read_ddc(connector, vc4_hdmi->ddc);
+       drm_atomic_helper_connector_hdmi_hotplug(connector, status);
 
-       drm_edid_connector_update(connector, drm_edid);
        cec_s_phys_addr(vc4_hdmi->cec_adap,
                        connector->display_info.source_physical_address, false);
 
-       if (!drm_edid)
+       if (status != connector_status_connected)
                return;
 
-       drm_edid_free(drm_edid);
-
        for (;;) {
                ret = vc4_hdmi_reset_link(connector, ctx);
                if (ret == -EDEADLK) {
@@ -550,6 +546,7 @@ static void vc4_hdmi_connector_reset(struct drm_connector 
*connector)
 }
 
 static const struct drm_connector_funcs vc4_hdmi_connector_funcs = {
+       .force = drm_atomic_helper_connector_hdmi_force,
        .fill_modes = drm_helper_probe_single_connector_modes,
        .reset = vc4_hdmi_connector_reset,
        .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,

-- 
2.39.5

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