The sun4i HDMI connector reset implementation creates a pristine
state and initializes the HDMI state. It does not perform any
hardware reset.

Since this is equivalent to what atomic_create_state expects, convert
the reset function to an atomic_create_state hook that returns the
initialized state.

Signed-off-by: Maxime Ripard <[email protected]>
---
Cc: Chen-Yu Tsai <[email protected]>
Cc: Samuel Holland <[email protected]>
Cc: [email protected]
---
 drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c 
b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index 3084f6570c29..58626d0562ae 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -291,9 +291,17 @@ sun4i_hdmi_connector_detect(struct drm_connector 
*connector, bool force)
 }
 
-static void sun4i_hdmi_connector_reset(struct drm_connector *connector)
+static struct drm_connector_state *
+sun4i_hdmi_connector_create_state(struct drm_connector *connector)
 {
-       drm_atomic_helper_connector_reset(connector);
-       __drm_atomic_helper_connector_hdmi_state_init(connector->state,
+       struct drm_connector_state *connector_state;
+
+       connector_state = drm_atomic_helper_connector_create_state(connector);
+       if (IS_ERR(connector_state))
+               return connector_state;
+
+       __drm_atomic_helper_connector_hdmi_state_init(connector_state,
                                                      connector);
+
+       return connector_state;
 }
 
@@ -302,5 +310,5 @@ static const struct drm_connector_funcs 
sun4i_hdmi_connector_funcs = {
        .detect                 = sun4i_hdmi_connector_detect,
        .fill_modes             = drm_helper_probe_single_connector_modes,
-       .reset                  = sun4i_hdmi_connector_reset,
+       .atomic_create_state    = sun4i_hdmi_connector_create_state,
        .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
        .atomic_destroy_state   = drm_atomic_helper_connector_destroy_state,

-- 
2.55.0

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