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authorSam Ravnborg <sam@ravnborg.org>2020-07-26 22:33:22 +0200
committerSam Ravnborg <sam@ravnborg.org>2020-07-27 17:24:41 +0200
commita8ef18d7dd4817cc35ab03358b3fe2aafad22d9f (patch)
tree675113a4dc61fa99fc177f017853c21691883710 /drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
parent489ce80fa4942ba855b937eee7f621d52ccdff3f (diff)
downloadlinux-a8ef18d7dd4817cc35ab03358b3fe2aafad22d9f.tar.gz
drm/bridge: megachips: make connector creation optional
Make the connector creation optional to enable usage of the
megachips-stdpxxxx-ge-b850v3-fw bridge with the DRM bridge connector
helper.

v2:
  - Set bridge.type to DRM_MODE_CONNECTOR_DisplayPort

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Peter Senna Tschudin <peter.senna@gmail.com>
Cc: Martin Donnelly <martin.donnelly@ge.com>
Cc: Martyn Welch <martyn.welch@collabora.co.uk>
Cc: Andrzej Hajda <a.hajda@samsung.com>
Cc: Neil Armstrong <narmstrong@baylibre.com>
Cc: Laurent Pinchart <Laurent.pinchart@ideasonboard.com>
Cc: Jonas Karlman <jonas@kwiboo.se>
Cc: Jernej Skrabec <jernej.skrabec@siol.net>
Link: https://patchwork.freedesktop.org/patch/msgid/20200726203324.3722593-14-sam@ravnborg.org
Diffstat (limited to 'drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c')
-rw-r--r--drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c16
1 files changed, 5 insertions, 11 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 f7b55dc374ac..61a24f265c7a 100644
--- a/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
+++ b/drivers/gpu/drm/bridge/megachips-stdpxxxx-ge-b850v3-fw.c
@@ -245,16 +245,6 @@ static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
 {
 	struct i2c_client *stdp4028_i2c
 			= ge_b850v3_lvds_ptr->stdp4028_i2c;
-	int ret;
-
-	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
-		DRM_ERROR("Fix bridge driver to make connector optional!");
-		return -EINVAL;
-	}
-
-	ret = ge_b850v3_lvds_create_connector(bridge);
-	if (ret)
-		return ret;
 
 	/* Configures the bridge to re-enable interrupts after each ack. */
 	i2c_smbus_write_word_data(stdp4028_i2c,
@@ -266,7 +256,10 @@ static int ge_b850v3_lvds_attach(struct drm_bridge *bridge,
 				  STDP4028_DPTX_IRQ_EN_REG,
 				  STDP4028_DPTX_IRQ_CONFIG);
 
-	return 0;
+	if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
+		return 0;
+
+	return ge_b850v3_lvds_create_connector(bridge);
 }
 
 static const struct drm_bridge_funcs ge_b850v3_lvds_funcs = {
@@ -327,6 +320,7 @@ static int stdp4028_ge_b850v3_fw_probe(struct i2c_client *stdp4028_i2c,
 	ge_b850v3_lvds_ptr->bridge.funcs = &ge_b850v3_lvds_funcs;
 	ge_b850v3_lvds_ptr->bridge.ops = DRM_BRIDGE_OP_DETECT |
 					 DRM_BRIDGE_OP_EDID;
+	ge_b850v3_lvds_ptr->bridge.type = DRM_MODE_CONNECTOR_DisplayPort;
 	ge_b850v3_lvds_ptr->bridge.of_node = dev->of_node;
 	drm_bridge_add(&ge_b850v3_lvds_ptr->bridge);