diff options
| author | Sjoerd Simons <sjoerd.simons@collabora.co.uk> | 2018-03-30 15:15:53 +0200 |
|---|---|---|
| committer | Jyri Sarha <jsarha@ti.com> | 2018-07-05 14:06:22 +0300 |
| commit | a132b5a5081ca106193a02e0835e01db7c4055ec (patch) | |
| tree | 9f95f583bfee07b83429732bfbcfee3a7b48e929 /drivers/gpu/drm/tilcdc | |
| parent | 021c91791a5e7e85c567452f1be3e4c2c6cb6063 (diff) | |
drm/tilcdc: Defer probe if there are no connectors
During probe there may not be any connectors yet if e.g. the panel
failed or hasn't been probed yet. I hitting this in practice the panels
probing was being delayed due to using a gpio backlight.
Fix this by returning -EPROBE_DEFER so the probing will be retried.
Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.co.uk>
Signed-off-by: Jyri Sarha <jsarha@ti.com>
Diffstat (limited to 'drivers/gpu/drm/tilcdc')
| -rw-r--r-- | drivers/gpu/drm/tilcdc/tilcdc_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/tilcdc/tilcdc_drv.c b/drivers/gpu/drm/tilcdc/tilcdc_drv.c index b8a5e4ed22e6..0fb300d41a09 100644 --- a/drivers/gpu/drm/tilcdc/tilcdc_drv.c +++ b/drivers/gpu/drm/tilcdc/tilcdc_drv.c @@ -378,7 +378,7 @@ static int tilcdc_init(struct drm_driver *ddrv, struct device *dev) if (!priv->external_connector && ((priv->num_encoders == 0) || (priv->num_connectors == 0))) { dev_err(dev, "no encoders/connectors found\n"); - ret = -ENXIO; + ret = -EPROBE_DEFER; goto init_failed; } |