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-rw-r--r--drivers/gpu/drm/bridge/lt8912.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/lt8912.c b/drivers/gpu/drm/bridge/lt8912.c
index 547e5c03f83e..3de3a0f8df4e 100644
--- a/drivers/gpu/drm/bridge/lt8912.c
+++ b/drivers/gpu/drm/bridge/lt8912.c
@@ -297,7 +297,8 @@ static int lt8912_connector_get_modes(struct drm_connector *connector)
struct lt8912 *lt = connector_to_lt8912(connector);
struct edid *edid;
struct display_timings *timings;
- int i, num_modes = 0;
+ u32 bus_format = MEDIA_BUS_FMT_RGB888_1X24;
+ int i, ret, num_modes = 0;
/* Check if optional DDC I2C bus should be used. */
if (lt->ddc) {
@@ -345,6 +346,15 @@ static int lt8912_connector_get_modes(struct drm_connector *connector)
return 0;
}
}
+
+ connector->display_info.bus_flags = DRM_BUS_FLAG_DE_LOW |
+ DRM_BUS_FLAG_PIXDATA_NEGEDGE;
+ ret = drm_display_info_set_bus_formats(&connector->display_info,
+ &bus_format, 1);
+
+ if (ret)
+ return ret;
+
return num_modes;
}