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path: root/drivers/gpu/drm/bridge
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Diffstat (limited to 'drivers/gpu/drm/bridge')
-rw-r--r--drivers/gpu/drm/bridge/dw_hdmi.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/dw_hdmi.c b/drivers/gpu/drm/bridge/dw_hdmi.c
index 1c0ee3476138..8edf4c31f55c 100644
--- a/drivers/gpu/drm/bridge/dw_hdmi.c
+++ b/drivers/gpu/drm/bridge/dw_hdmi.c
@@ -1448,6 +1448,10 @@ dw_hdmi_connector_mode_valid(struct drm_connector *connector,
struct dw_hdmi, connector);
enum drm_mode_status mode_status = MODE_OK;
+ /* We don't support double-clocked modes */
+ if (mode->flags & DRM_MODE_FLAG_DBLCLK)
+ return MODE_BAD;
+
if (hdmi->plat_data->mode_valid)
mode_status = hdmi->plat_data->mode_valid(connector, mode);