drm/vc4: hdmi: Set default state margin at reset

Now that the TV margins are properly parsed and filled into
drm_cmdline_mode, we just need to initialise the first state at reset to
get those values and start using them.

Acked-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Noralf Trønnes <noralf@tronnes.org>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Link: https://patchwork.freedesktop.org/patch/msgid/44e24172e300be6a41578517021ef6a6e90ed682.1560783090.git-series.maxime.ripard@bootlin.com

diff --git a/drivers/gpu/drm/vc4/vc4_hdmi.c b/drivers/gpu/drm/vc4/vc4_hdmi.c
index 99fc8569e0f5285d188cb481845905a759ba713a..43442c5619a3cb9ab0b702eadc5d90387a7243be 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_hdmi.c
+++ b/drivers/gpu/drm/vc4/vc4_hdmi.c
@@ -255,11 +255,17 @@ static int vc4_hdmi_connector_get_modes(struct drm_connector *connector)
        return ret;
 }
 
+static void vc4_hdmi_connector_reset(struct drm_connector *connector)
+{
+       drm_atomic_helper_connector_reset(connector);
+       drm_atomic_helper_connector_tv_reset(connector);
+}
+
 static const struct drm_connector_funcs vc4_hdmi_connector_funcs = {
        .detect = vc4_hdmi_connector_detect,
        .fill_modes = drm_helper_probe_single_connector_modes,
        .destroy = vc4_hdmi_connector_destroy,
-       .reset = drm_atomic_helper_connector_reset,
+       .reset = vc4_hdmi_connector_reset,
        .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
        .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
 };