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authorAndy Yan <andy.yan@rock-chips.com>2014-12-05 14:30:21 +0800
committerPhilipp Zabel <p.zabel@pengutronix.de>2015-01-07 18:31:58 +0100
commit632d035bace26f57cd22cfc5e2a384989f8a9f50 (patch)
tree85230b1514e10e79efa462a90f292e64ff6f55e4 /drivers/gpu/drm/bridge
parent0cd9d1428322ecf379d7c2e457fbb35105f1e4a2 (diff)
downloadblackbird-op-linux-632d035bace26f57cd22cfc5e2a384989f8a9f50.tar.gz
blackbird-op-linux-632d035bace26f57cd22cfc5e2a384989f8a9f50.zip
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: Andy Yan <andy.yan@rock-chips.com> Tested-by: Russell King <rmk+kernel@arm.linux.org.uk> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r--drivers/gpu/drm/bridge/dw_hdmi.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index 61f8c1f1cd18..8ef21dad3639 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -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,
};
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