To prepare for a chained bridge setup add support for the
get_edid bridge operation.
Signed-off-by: Sam Ravnborg <s...@ravnborg.org>
Cc: Peter Senna Tschudin <peter.se...@gmail.com>
Cc: Martin Donnelly <martin.donne...@ge.com>
Cc: Martyn Welch <martyn.we...@collabora.co.uk>
Cc: Andrzej Hajda <a.ha...@samsung.com>
Cc: Neil Armstrong <narmstr...@baylibre.com>
Cc: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
Cc: Jonas Karlman <jo...@kwiboo.se>
Cc: Jernej Skrabec <jernej.skra...@siol.net>
---
.../bridge/megachips-stdpxxxx-ge-b850v3-fw.c | 26 +++++++++++++------
1 file changed, 18 insertions(+), 8 deletions(-)
diff --git a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
index 78a9afe8f063..5f06e18f0a61 100644
--- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
+++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
@@ -131,21 +131,29 @@ static u8 *stdp2690_get_edid(struct i2c_client *client)
return NULL;
}
-static int ge_b850v3_lvds_get_modes(struct drm_connector *connector)
+static struct edid *ge_b850v3_lvds_get_edid(
+ struct drm_bridge *bridge, struct drm_connector *connector)
{
struct i2c_client *client;
- int num_modes = 0;
client = ge_b850v3_lvds_ptr->stdp2690_i2c;
kfree(ge_b850v3_lvds_ptr->edid);
ge_b850v3_lvds_ptr->edid = (struct edid *)stdp2690_get_edid(client);
- if (ge_b850v3_lvds_ptr->edid) {
- drm_connector_update_edid_property(connector,
- ge_b850v3_lvds_ptr->edid);
- num_modes = drm_add_edid_modes(connector,
- ge_b850v3_lvds_ptr->edid);
+ return ge_b850v3_lvds_ptr->edid;
+}
+
+static int ge_b850v3_lvds_get_modes(struct drm_connector *connector)
+{
+ struct edid *edid;
+ int num_modes = 0;
+
+ edid = ge_b850v3_lvds_get_edid(&ge_b850v3_lvds_ptr->bridge, connector);
+
+ if (edid) {
+ drm_connector_update_edid_property(connector, edid);
+ num_modes = drm_add_edid_modes(connector, edid);
}
return num_modes;
@@ -270,6 +278,7 @@ static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
static const struct drm_bridge_funcs ge_b850v3_lvds_funcs = {
.attach = ge_b850v3_lvds_attach,
.detect = ge_b850v3_lvds_bridge_detect,
+ .get_edid = ge_b850v3_lvds_get_edid,
};
static int ge_b850v3_lvds_init(struct device *dev)
@@ -324,7 +333,8 @@ static int stdp4028_ge_b850v3_fw_probe(struct i2c_client
*stdp4028_i2c,
/* drm bridge initialization */
ge_b850v3_lvds_ptr->bridge.funcs = &ge_b850v3_lvds_funcs;
- ge_b850v3_lvds_ptr->bridge.ops = DRM_BRIDGE_OP_DETECT;
+ ge_b850v3_lvds_ptr->bridge.ops = DRM_BRIDGE_OP_DETECT |
+ DRM_BRIDGE_OP_EDID;
ge_b850v3_lvds_ptr->bridge.of_node = dev->of_node;
drm_bridge_add(&ge_b850v3_lvds_ptr->bridge);
--
2.25.1
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