diff options
| author | Francisco Jerez <currojerez@riseup.net> | 2010-08-08 21:35:57 +0200 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2010-08-17 03:58:46 +0200 |
| commit | 4ca2b7120cf8ee266e6c44429ccb541d63480c4a (patch) | |
| tree | dd0377ea15745a423f1bb880005e36a80c50da3c | |
| parent | drm/nvc0: fix typo in PRAMIN flush (diff) | |
| download | linux-4ca2b7120cf8ee266e6c44429ccb541d63480c4a.tar.xz linux-4ca2b7120cf8ee266e6c44429ccb541d63480c4a.zip | |
drm/nouveau: Don't try DDC on the dummy I2C channel.
Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/nouveau_connector.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_connector.c b/drivers/gpu/drm/nouveau/nouveau_connector.c index b1b22baf1428..a1473fff06ac 100644 --- a/drivers/gpu/drm/nouveau/nouveau_connector.c +++ b/drivers/gpu/drm/nouveau/nouveau_connector.c @@ -104,7 +104,7 @@ nouveau_connector_ddc_detect(struct drm_connector *connector, int i; for (i = 0; i < DRM_CONNECTOR_MAX_ENCODER; i++) { - struct nouveau_i2c_chan *i2c; + struct nouveau_i2c_chan *i2c = NULL; struct nouveau_encoder *nv_encoder; struct drm_mode_object *obj; int id; @@ -117,7 +117,9 @@ nouveau_connector_ddc_detect(struct drm_connector *connector, if (!obj) continue; nv_encoder = nouveau_encoder(obj_to_encoder(obj)); - i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); + + if (nv_encoder->dcb->i2c_index < 0xf) + i2c = nouveau_i2c_find(dev, nv_encoder->dcb->i2c_index); if (i2c && nouveau_probe_i2c_addr(i2c, 0x50)) { *pnv_encoder = nv_encoder; |