Implement the bridge connector-related .get_edid() operation, and report
the related bridge capabilities and type. The .get_edid() operation is
implemented with the same backend as the EDID retrieval from the
connector .get_modes() operation.
Signed-off-by: Laurent Pinchart <laurent.pinchart+rene...@ideasonboard.com>
---
drivers/gpu/drm/bridge/ti-sn65dsi86.c | 30 ++++++++++++++++++++++-----
1 file changed, 25 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
index dc300fab4319..6f6e075544e8 100644
--- a/drivers/gpu/drm/bridge/ti-sn65dsi86.c
+++ b/drivers/gpu/drm/bridge/ti-sn65dsi86.c
@@ -261,6 +261,18 @@ static void ti_sn_debugfs_remove(struct ti_sn_bridge
*pdata)
pdata->debugfs = NULL;
}
+static struct edid *__ti_sn_bridge_get_edid(struct ti_sn_bridge *pdata,
+ struct drm_connector *connector)
+{
+ struct edid *edid;
+
+ pm_runtime_get_sync(pdata->dev);
+ edid = drm_get_edid(connector, &pdata->aux.ddc);
+ pm_runtime_put(pdata->dev);
+
+ return edid;
+}
+
/*
-----------------------------------------------------------------------------
* DRM Connector Operations
*/
@@ -277,11 +289,8 @@ static int ti_sn_bridge_connector_get_modes(struct
drm_connector *connector)
struct edid *edid = pdata->edid;
int num, ret;
- if (!edid) {
- pm_runtime_get_sync(pdata->dev);
- edid = pdata->edid = drm_get_edid(connector, &pdata->aux.ddc);
- pm_runtime_put(pdata->dev);
- }
+ if (!edid)
+ edid = pdata->edid = __ti_sn_bridge_get_edid(pdata, connector);
if (edid && drm_edid_is_valid(edid)) {
ret = drm_connector_update_edid_property(connector, edid);
@@ -871,12 +880,21 @@ static void ti_sn_bridge_post_disable(struct drm_bridge
*bridge)
pm_runtime_put_sync(pdata->dev);
}
+static struct edid *ti_sn_bridge_get_edid(struct drm_bridge *bridge,
+ struct drm_connector *connector)
+{
+ struct ti_sn_bridge *pdata = bridge_to_ti_sn_bridge(bridge);
+
+ return __ti_sn_bridge_get_edid(pdata, connector);
+}
+
static const struct drm_bridge_funcs ti_sn_bridge_funcs = {
.attach = ti_sn_bridge_attach,
.pre_enable = ti_sn_bridge_pre_enable,
.enable = ti_sn_bridge_enable,
.disable = ti_sn_bridge_disable,
.post_disable = ti_sn_bridge_post_disable,
+ .get_edid = ti_sn_bridge_get_edid,
};
/*
-----------------------------------------------------------------------------
@@ -1335,6 +1353,8 @@ static int ti_sn_bridge_probe(struct i2c_client *client,
pdata->bridge.funcs = &ti_sn_bridge_funcs;
pdata->bridge.of_node = client->dev.of_node;
+ pdata->bridge.ops = DRM_BRIDGE_OP_EDID;
+ pdata->bridge.type = DRM_MODE_CONNECTOR_eDP;
drm_bridge_add(&pdata->bridge);
--
Regards,
Laurent Pinchart
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