diff options
| author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2020-02-26 13:25:00 +0200 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@ti.com> | 2020-02-26 13:32:02 +0200 |
| commit | 75fb968b83d0530e2be2cb51e90b7bc849dd433b (patch) | |
| tree | 3130f7d007bf8d993c37a501e6840f700acfe260 /drivers/gpu/drm/omapdrm/omap_connector.c | |
| parent | e7e67d9a2f1dd2f938adcc219b3769f5cc3f0df7 (diff) | |
drm/omap: Remove HPD, detect and EDID omapdss operations
Due to the removal of several omapdrm display drivers, the omapdss HPD,
detected and EDID operations are not used anymore. Remove them and all
related code.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Tested-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200226112514.12455-41-laurent.pinchart@ideasonboard.com
Diffstat (limited to 'drivers/gpu/drm/omapdrm/omap_connector.c')
| -rw-r--r-- | drivers/gpu/drm/omapdrm/omap_connector.c | 190 |
1 files changed, 19 insertions, 171 deletions
diff --git a/drivers/gpu/drm/omapdrm/omap_connector.c b/drivers/gpu/drm/omapdrm/omap_connector.c index c636ae228130..baa31ed1f993 100644 --- a/drivers/gpu/drm/omapdrm/omap_connector.c +++ b/drivers/gpu/drm/omapdrm/omap_connector.c @@ -19,111 +19,22 @@ struct omap_connector { struct drm_connector base; struct omap_dss_device *output; - struct omap_dss_device *hpd; }; -static void omap_connector_hpd_notify(struct drm_connector *connector, - enum drm_connector_status status) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev; - - if (status != connector_status_disconnected) - return; - - /* - * Notify all devics in the pipeline of disconnection. This is required - * to let the HDMI encoders reset their internal state related to - * connection status, such as the CEC address. - */ - for (dssdev = omap_connector->output; dssdev; dssdev = dssdev->next) { - if (dssdev->ops && dssdev->ops->hdmi.lost_hotplug) - dssdev->ops->hdmi.lost_hotplug(dssdev); - } -} - -static void omap_connector_hpd_cb(void *cb_data, - enum drm_connector_status status) -{ - struct omap_connector *omap_connector = cb_data; - struct drm_connector *connector = &omap_connector->base; - struct drm_device *dev = connector->dev; - enum drm_connector_status old_status; - - mutex_lock(&dev->mode_config.mutex); - old_status = connector->status; - connector->status = status; - mutex_unlock(&dev->mode_config.mutex); - - if (old_status == status) - return; - - omap_connector_hpd_notify(connector, status); - - drm_kms_helper_hotplug_event(dev); -} - -void omap_connector_enable_hpd(struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *hpd = omap_connector->hpd; - - if (hpd) - hpd->ops->register_hpd_cb(hpd, omap_connector_hpd_cb, - omap_connector); -} - -void omap_connector_disable_hpd(struct drm_connector *connector) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *hpd = omap_connector->hpd; - - if (hpd) - hpd->ops->unregister_hpd_cb(hpd); -} - -static struct omap_dss_device * -omap_connector_find_device(struct drm_connector *connector, - enum omap_dss_device_ops_flag op) -{ - struct omap_connector *omap_connector = to_omap_connector(connector); - struct omap_dss_device *dssdev = NULL; - struct omap_dss_device *d; - - for (d = omap_connector->output; d; d = d->next) { - if (d->ops_flags & op) - dssdev = d; - } - - return dssdev; -} - static enum drm_connector_status omap_connector_detect( struct drm_connector *connector, bool force) { - struct omap_dss_device *dssdev; enum drm_connector_status status; - dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_DETECT); - - if (dssdev) { - status = dssdev->ops->detect(dssdev) - ? connector_status_connected - : connector_status_disconnected; - - omap_connector_hpd_notify(connector, status); - } else { - switch (connector->connector_type) { - case DRM_MODE_CONNECTOR_DPI: - case DRM_MODE_CONNECTOR_LVDS: - case DRM_MODE_CONNECTOR_DSI: - status = connector_status_connected; - break; - default: - status = connector_status_unknown; - break; - } + switch (connector->connector_type) { + case DRM_MODE_CONNECTOR_DPI: + case DRM_MODE_CONNECTOR_LVDS: + case DRM_MODE_CONNECTOR_DSI: + status = connector_status_connected; + break; + default: + status = connector_status_unknown; + break; } VERB("%s: %d (force=%d)", connector->name, status, force); @@ -137,14 +48,6 @@ static void omap_connector_destroy(struct drm_connector *connector) DBG("%s", connector->name); - if (omap_connector->hpd) { - struct omap_dss_device *hpd = omap_connector->hpd; - - hpd->ops->unregister_hpd_cb(hpd); - omapdss_device_put(hpd); - omap_connector->hpd = NULL; - } - drm_connector_unregister(connector); drm_connector_cleanup(connector); @@ -153,63 +56,27 @@ static void omap_connector_destroy(struct drm_connector *connector) kfree(omap_connector); } -static int omap_connector_get_modes_edid(struct drm_connector *connector, - struct omap_dss_device *dssdev) -{ - enum drm_connector_status status; - struct edid *edid; - int n; - - status = omap_connector_detect(connector, false); - if (status != connector_status_connected) - goto no_edid; - - edid = dssdev->ops->read_edid(dssdev); - if (!edid || !drm_edid_is_valid(edid)) { - kfree(edid); - goto no_edid; - } - - drm_connector_update_edid_property(connector, edid); - n = drm_add_edid_modes(connector, edid); - - kfree(edid); - return n; - -no_edid: - drm_connector_update_edid_property(connector, NULL); - return 0; -} - static int omap_connector_get_modes(struct drm_connector *connector) { - struct omap_dss_device *dssdev; + struct omap_connector *omap_connector = to_omap_connector(connector); + struct omap_dss_device *dssdev = NULL; + struct omap_dss_device *d; DBG("%s", connector->name); /* - * If display exposes EDID, then we parse that in the normal way to - * build table of supported modes. + * If the display pipeline reports modes (e.g. with a fixed resolution + * panel or an analog TV output), query it. */ - dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_EDID); - if (dssdev) - return omap_connector_get_modes_edid(connector, dssdev); + for (d = omap_connector->output; d; d = d->next) { + if (d->ops_flags & OMAP_DSS_DEVICE_OP_MODES) + dssdev = d; + } - /* - * Otherwise if the display pipeline reports modes (e.g. with a fixed - * resolution panel or an analog TV output), query it. - */ - dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_MODES); if (dssdev) return dssdev->ops->get_modes(dssdev, connector); - /* - * We can't retrieve modes, which can happen for instance for a DVI or - * VGA output with the DDC bus unconnected. The KMS core will add the - * default modes. - */ + /* We can't retrieve modes. The KMS core will add the default modes. */ return 0; } @@ -290,7 +157,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, { struct drm_connector *connector = NULL; struct omap_connector *omap_connector; - struct omap_dss_device *dssdev; DBG("%s", output->name); @@ -308,24 +174,6 @@ struct drm_connector *omap_connector_init(struct drm_device *dev, omap_connector_get_type(output)); drm_connector_helper_add(connector, &omap_connector_helper_funcs); - /* - * Initialize connector status handling. First try to find a device that - * supports hot-plug reporting. If it fails, fall back to a device that - * support polling. If that fails too, we don't support hot-plug - * detection at all. - */ - dssdev = omap_connector_find_device(connector, OMAP_DSS_DEVICE_OP_HPD); - if (dssdev) { - omap_connector->hpd = omapdss_device_get(dssdev); - connector->polled = DRM_CONNECTOR_POLL_HPD; - } else { - dssdev = omap_connector_find_device(connector, - OMAP_DSS_DEVICE_OP_DETECT); - if (dssdev) - connector->polled = DRM_CONNECTOR_POLL_CONNECT | - DRM_CONNECTOR_POLL_DISCONNECT; - } - return connector; fail: |