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drm/bridge: ti-sn65dsi86: support DRM_BRIDGE_ATTACH_NO_CONNECTOR

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Now as the driver does not depend on pdata->connector, add support for
attaching the bridge with DRM_BRIDGE_ATTACH_NO_CONNECTOR.

Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Steev Klimaszewski <steev@kali.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Tested-by: Douglas Anderson <dianders@chromium.org>
Signed-off-by: Douglas Anderson <dianders@chromium.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220711092117.360797-3-dmitry.baryshkov@linaro.org
This commit is contained in:
Dmitry Baryshkov
2022-07-11 12:21:17 +03:00
committed by Douglas Anderson
parent 2dbeef82d1
commit 6e2dc7ac71
1 changed files with 8 additions and 10 deletions
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18
drivers/gpu/drm/bridge/ti-sn65dsi86.c
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@@ -698,11 +698,6 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge,
struct ti_sn65dsi86 *pdata = bridge_to_ti_sn65dsi86(bridge);
int ret;
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) {
DRM_ERROR("Fix bridge driver to make connector optional!");
return -EINVAL;
}
pdata->aux.drm_dev = bridge->dev;
ret = drm_dp_aux_register(&pdata->aux);
if (ret < 0) {
@@ -710,15 +705,18 @@ static int ti_sn_bridge_attach(struct drm_bridge *bridge,
return ret;
}
/* We never want the next bridge to *also* create a connector: */
flags |= DRM_BRIDGE_ATTACH_NO_CONNECTOR;
/* Attach the next bridge */
/*
* Attach the next bridge.
* We never want the next bridge to *also* create a connector.
*/
ret = drm_bridge_attach(bridge->encoder, pdata->next_bridge,
&pdata->bridge, flags);
&pdata->bridge, flags | DRM_BRIDGE_ATTACH_NO_CONNECTOR);
if (ret < 0)
goto err_initted_aux;
if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)
return 0;
pdata->connector = drm_bridge_connector_init(pdata->bridge.dev,
pdata->bridge.encoder);
if (IS_ERR(pdata->connector)) {