drm/rockchip: inno_hdmi: Drop custom fill_modes hook

Now that we have proper pixelclock-based mode validation we can drop the
custom fill_modes hook.
CRTC size validation for the display controller has been added with
Commit 8e140cb6 ("drm/rockchip: vop: limit maximum resolution to
hardware capabilities")
Signed-off-by: Alex Bee <knaerzche@gmail.com>
Reviewed-by: Maxime Ripard <mripard@kernel.org>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://patchwork.freedesktop.org/patch/msgid/20231222174220.55249-27-knaerzche@gmail.com

drivers/gpu/drm/rockchip/inno_hdmi.c

@@ -630,13 +630,6 @@ inno_hdmi_connector_mode_valid(struct drm_connector *connector,
 	return  inno_hdmi_display_mode_valid(hdmi, mode);
 }
 
-static int
-inno_hdmi_probe_single_connector_modes(struct drm_connector *connector,
-				       uint32_t maxX, uint32_t maxY)
-{
-	return drm_helper_probe_single_connector_modes(connector, 1920, 1080);
-}
-
 static void inno_hdmi_connector_destroy(struct drm_connector *connector)
 {
 	drm_connector_unregister(connector);
@@ -695,7 +688,7 @@ inno_hdmi_connector_duplicate_state(struct drm_connector *connector)
 }
 
 static const struct drm_connector_funcs inno_hdmi_connector_funcs = {
-	.fill_modes = inno_hdmi_probe_single_connector_modes,
+	.fill_modes = drm_helper_probe_single_connector_modes,
 	.detect = inno_hdmi_connector_detect,
 	.destroy = inno_hdmi_connector_destroy,
 	.reset = inno_hdmi_connector_reset,