Op 21-07-15 om 11:09 schreef Daniel Vetter:
> On Tue, Jul 21, 2015 at 09:56:15AM +0200, Maarten Lankhorst wrote:
>> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxxxx>
>> ---
>> drivers/gpu/drm/i915/intel_dp_mst.c | 44 ++++++++++++++++++++++++++++++++++++-
>> 1 file changed, 43 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/gpu/drm/i915/intel_dp_mst.c b/drivers/gpu/drm/i915/intel_dp_mst.c
>> index edd8fa41e85e..fb4f2715c96f 100644
>> --- a/drivers/gpu/drm/i915/intel_dp_mst.c
>> +++ b/drivers/gpu/drm/i915/intel_dp_mst.c
>> @@ -449,6 +449,48 @@ static struct drm_connector *intel_dp_add_mst_connector(struct drm_dp_mst_topolo
>> return connector;
>> }
>>
>> +static void intel_dp_unbind_mst_connector(struct drm_device *dev,
>> + struct drm_connector *connector)
>> +{
>> + struct drm_atomic_state *state;
>> + struct drm_connector_state *conn_state;
>> + struct drm_crtc *crtc = connector->state->crtc;
>> + int ret;
>> +
>> + if (!crtc)
>> + return;
>> +
>> + state = drm_atomic_state_alloc(dev);
>> + if (!state)
>> + return;
>> +
>> + state->acquire_ctx = dev->mode_config.acquire_ctx;
>> +
>> + conn_state = drm_atomic_get_connector_state(state, connector);
>> + ret = PTR_ERR_OR_ZERO(conn_state);
>> + if (!ret)
>> + ret = drm_atomic_set_crtc_for_connector(conn_state, NULL);
^^
>> + if (!ret)
>> + ret = drm_atomic_add_affected_connectors(state, crtc);
>> +
>> + if (!ret && !drm_atomic_connectors_for_crtc(state, crtc)) {
>> + struct drm_crtc_state *crtc_state =
>> + drm_atomic_get_existing_crtc_state(state, crtc);
>> +
>> + crtc_state->active = false;
> The connector will completely disappear, and we don't support cloning.
> Which means there's still going to be state check failures. I think we
> need a
> crtc_state->enable = false;
Done below.
> here, plus cleaning out the connector_state->crtc link.
Done above.
> -Daniel
>
>> + ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
^^
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