Expose the core connector state as properties so it can be updated via
atomic ioctl.
Signed-off-by: Rob Clark <robdclark@xxxxxxxxx>
---
Documentation/DocBook/drm.tmpl | 11 +++++++++--
drivers/gpu/drm/drm_atomic.c | 9 +++++++--
drivers/gpu/drm/drm_crtc.c | 13 +++++++++----
3 files changed, 25 insertions(+), 8 deletions(-)
diff --git a/Documentation/DocBook/drm.tmpl b/Documentation/DocBook/drm.tmpl
index 282fa6b..15cb9b9 100644
--- a/Documentation/DocBook/drm.tmpl
+++ b/Documentation/DocBook/drm.tmpl
@@ -2564,8 +2564,8 @@ void intel_crt_init(struct drm_device *dev)
<td valign="top" >Description/Restrictions</td>
</tr>
<tr>
- <td rowspan="35" valign="top" >DRM</td>
- <td rowspan="4" valign="top" >Generic</td>
+ <td rowspan="36" valign="top" >DRM</td>
+ <td rowspan="5" valign="top" >Connector</td>
<td valign="top" >“EDID”</td>
<td valign="top" >BLOB | IMMUTABLE</td>
<td valign="top" >0</td>
@@ -2594,6 +2594,13 @@ void intel_crt_init(struct drm_device *dev)
<td valign="top" >Contains tiling information for a connector.</td>
</tr>
<tr>
+ <td valign="top" >“CRTC_ID”</td>
+ <td valign="top" >OBJECT</td>
+ <td valign="top" >DRM_MODE_OBJECT_CRTC</td>
+ <td valign="top" >Connector</td>
+ <td valign="top" >CRTC that connector is attached to (atomic)</td>
+ </tr>
+ <tr>
<td rowspan="11" valign="top" >Plane</td>
<td valign="top" >“type”</td>
<td valign="top" >ENUM | IMMUTABLE</td>
diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index c09a05a..71b48a0 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -595,7 +595,10 @@ int drm_atomic_connector_set_property(struct drm_connector *connector,
struct drm_device *dev = connector->dev;
struct drm_mode_config *config = &dev->mode_config;
- if (property == config->dpms_property) {
+ if (property == config->prop_crtc_id) {
+ struct drm_crtc *crtc = drm_crtc_find(dev, val);
+ return drm_atomic_set_crtc_for_connector(state, crtc);
+ } else if (property == config->dpms_property) {
/* setting DPMS property requires special handling, which
* is done in legacy setprop path for us. Disallow (for
* now?) atomic writes to DPMS property:
@@ -629,7 +632,9 @@ int drm_atomic_connector_get_property(struct drm_connector *connector,
struct drm_device *dev = connector->dev;
struct drm_mode_config *config = &dev->mode_config;
- if (property == config->dpms_property) {
+ if (property == config->prop_crtc_id) {
+ *val = (state->crtc) ? state->crtc->base.id : 0;
+ } else if (property == config->dpms_property) {
*val = connector->dpms;
} else if (connector->funcs->atomic_get_property) {
return connector->funcs->atomic_get_property(connector,
diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c
index fd6f91d..39c3e06 100644
--- a/drivers/gpu/drm/drm_crtc.c
+++ b/drivers/gpu/drm/drm_crtc.c
@@ -844,6 +844,7 @@ int drm_connector_init(struct drm_device *dev,
const struct drm_connector_funcs *funcs,
int connector_type)
{
+ struct drm_mode_config *config = &dev->mode_config;
int ret;
struct ida *connector_ida =
&drm_connector_enum_list[connector_type].ida;
@@ -882,16 +883,20 @@ int drm_connector_init(struct drm_device *dev,
/* We should add connectors at the end to avoid upsetting the connector
* index too much. */
- list_add_tail(&connector->head, &dev->mode_config.connector_list);
- dev->mode_config.num_connector++;
+ list_add_tail(&connector->head, &config->connector_list);
+ config->num_connector++;
if (connector_type != DRM_MODE_CONNECTOR_VIRTUAL)
drm_object_attach_property(&connector->base,
- dev->mode_config.edid_property,
+ config->edid_property,
0);
drm_object_attach_property(&connector->base,
- dev->mode_config.dpms_property, 0);
+ config->dpms_property, 0);
+
+ if (has_atomic_properties(dev)) {
+ drm_object_attach_property(&connector->base, config->prop_crtc_id, 0);
+ }
connector->debugfs_entry = NULL;
--
2.1.0
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