diff options
| author | Max Krummenacher <max.krummenacher@toradex.com> | 2019-11-12 15:41:26 +0100 |
|---|---|---|
| committer | Philippe Schenker <philippe.schenker@toradex.com> | 2020-08-13 16:04:58 +0200 |
| commit | 099b1cc6fcb14914d23bdad748bf4ec2364ddf4d (patch) | |
| tree | f88243c0fa94fefb8de771454b8b0e12d0fa72b8 | |
| parent | b2aa5241af6082bd8dfbf6302cdaa6634e44923d (diff) | |
drm: bridge: lt8912: set bus_format
Some CRTC drivers use and evaluate this information and if missing
print a warning.
| [ 248.956112] imx_sec_dsim_drv 32e10000.mipi_dsi: no bus formats assigned by connector
Signed-off-by: Max Krummenacher <max.krummenacher@toradex.com>
(cherry picked from commit 17e26f89a107a2844b9091bd937225b8b06fa4d0)
| -rw-r--r-- | drivers/gpu/drm/bridge/lt8912.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/gpu/drm/bridge/lt8912.c b/drivers/gpu/drm/bridge/lt8912.c index 7658069eeef4..aa407d09d319 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; } |