diff options
| author | Oleksandr Suvorov <oleksandr.suvorov@toradex.com> | 2019-07-26 14:24:04 +0300 |
|---|---|---|
| committer | Marcel Ziswiler <marcel.ziswiler@toradex.com> | 2020-02-12 11:06:00 +0100 |
| commit | 9f935c6301e7b2db89354f5f80ccf94f636aebb6 (patch) | |
| tree | 0e57ff3496bae7282c1b9131d8903222b074892a | |
| parent | a83dd6a6bfdbc317fdf9f0fddd4f5022832abbdc (diff) | |
drm/bridge: vga-dac: Fix non-DDC VGA detection
If I2C bus for DDC is not defined, assume the connector
is always connected.
Signed-off-by: Oleksandr Suvorov <oleksandr.suvorov@toradex.com>
| -rw-r--r-- | drivers/gpu/drm/bridge/dumb-vga-dac.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/dumb-vga-dac.c b/drivers/gpu/drm/bridge/dumb-vga-dac.c index 2e6c61d9b8ea..499f8b1b20ab 100644 --- a/drivers/gpu/drm/bridge/dumb-vga-dac.c +++ b/drivers/gpu/drm/bridge/dumb-vga-dac.c @@ -82,6 +82,13 @@ dumb_vga_connector_detect(struct drm_connector *connector, bool force) struct dumb_vga *vga = drm_connector_to_dumb_vga(connector); /* + * If I2C bus for DDC is not defined, asume that the cable + * is always connected. + */ + if (PTR_ERR(vga->ddc) == -ENODEV) + return connector_status_connected; + + /* * Even if we have an I2C bus, we can't assume that the cable * is disconnected if drm_probe_ddc fails. Some cables don't * wire the DDC pins, or the I2C bus might not be working at |