From: Sam Ravnborg <sam@ravnborg.org> Date: Sun, 26 Jul 2020 20:33:22 +0000 (+0200) Subject: drm/bridge: megachips: make connector creation optional X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=a8ef18d7dd4817cc35ab03358b3fe2aafad22d9f;p=linux.git 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 --- 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 f7b55dc374ac3..61a24f265c7ac 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);