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Commit 632d035b authored by Andy Yan's avatar Andy Yan Committed by Philipp Zabel
Browse files

drm: bridge/dw_hdmi: add mode_valid support 



some platform may not support all the display mode,
add mode_valid interface check it

Signed-off-by: default avatarAndy Yan <andy.yan@rock-chips.com>
Tested-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Acked-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
parent 0cd9d142

drivers/gpu/drm/bridge/dw_hdmi.c

+15 −0
Original line number Diff line number Diff line
@@ -1405,6 +1405,20 @@ static int dw_hdmi_connector_get_modes(struct drm_connector *connector) 
	return 0;

}



static enum drm_mode_status

dw_hdmi_connector_mode_valid(struct drm_connector *connector,

			     struct drm_display_mode *mode)

{

	struct dw_hdmi *hdmi = container_of(connector,

					   struct dw_hdmi, connector);

	enum drm_mode_status mode_status = MODE_OK;



	if (hdmi->plat_data->mode_valid)

		mode_status = hdmi->plat_data->mode_valid(connector, mode);



	return mode_status;

}



static struct drm_encoder *dw_hdmi_connector_best_encoder(struct drm_connector

							   *connector)

{
@@ -1429,6 +1443,7 @@ static struct drm_connector_funcs dw_hdmi_connector_funcs = { 


static struct drm_connector_helper_funcs dw_hdmi_connector_helper_funcs = {

	.get_modes = dw_hdmi_connector_get_modes,

	.mode_valid = dw_hdmi_connector_mode_valid,

	.best_encoder = dw_hdmi_connector_best_encoder,

};