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| author | Kevin Hilman <khilman@linaro.org> | 2015-10-14 13:41:57 -0700 |
|---|---|---|
| committer | Kevin Hilman <khilman@linaro.org> | 2015-10-14 13:41:57 -0700 |
| commit | c6df33694dbe813e34da1f893cbc08a5822a26d7 (patch) | |
| tree | c73e8332df16575a2a6dedbc0fc8a34b5ddc6587 /drivers/gpu/drm/radeon/radeon_connectors.c | |
| parent | f0b7ed42af0d718fc11d45f6c05948e9a11e08be (diff) | |
| parent | 974070b95b0c8ff6ef0d62109c16aea160cf3c7c (diff) | |
Merge branch 'linux-linaro-lsk-v3.10' into linux-linaro-lsk-v3.10-androidlsk-v3.10-15.11-androidlsk-v3.10-15.10-android
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_connectors.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_connectors.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c index fc604fc75797..1fbd38b371d4 100644 --- a/drivers/gpu/drm/radeon/radeon_connectors.c +++ b/drivers/gpu/drm/radeon/radeon_connectors.c @@ -78,6 +78,11 @@ void radeon_connector_hotplug(struct drm_connector *connector) if (!radeon_hpd_sense(rdev, radeon_connector->hpd.hpd)) { drm_helper_connector_dpms(connector, DRM_MODE_DPMS_OFF); } else if (radeon_dp_needs_link_train(radeon_connector)) { + /* Don't try to start link training before we + * have the dpcd */ + if (!radeon_dp_getdpcd(radeon_connector)) + return; + /* set it to OFF so that drm_helper_connector_dpms() * won't return immediately since the current state * is ON at this point. |