Now that we have DBANC framework, remove the connector initialisation code
as that piece of code is not called if DRM_BRIDGE_ATTACH_NO_CONNECTOR flag
is used. Only TI K3 platforms consume this driver and tidss (their display
controller) has this flag set. So this legacy support can be dropped.
Signed-off-by: Jayesh Choudhary <j-choudh...@ti.com>
---
.../drm/bridge/cadence/cdns-mhdp8546-core.c | 186 +++---------------
1 file changed, 25 insertions(+), 161 deletions(-)
diff --git a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
index b431e7efd1f0..66bd916c2fe9 100644
--- a/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
+++ b/drivers/gpu/drm/bridge/cadence/cdns-mhdp8546-core.c
@@ -1444,56 +1444,6 @@ static const struct drm_edid *cdns_mhdp_edid_read(struct
cdns_mhdp_device *mhdp,
return drm_edid_read_custom(connector, cdns_mhdp_get_edid_block, mhdp);
}
-static int cdns_mhdp_get_modes(struct drm_connector *connector)
-{
- struct cdns_mhdp_device *mhdp = connector_to_mhdp(connector);
- const struct drm_edid *drm_edid;
- int num_modes;
-
- if (!mhdp->plugged)
- return 0;
-
- drm_edid = cdns_mhdp_edid_read(mhdp, connector);
-
- drm_edid_connector_update(connector, drm_edid);
-
- if (!drm_edid) {
- dev_err(mhdp->dev, "Failed to read EDID\n");
- return 0;
- }
-
- num_modes = drm_edid_connector_add_modes(connector);
- drm_edid_free(drm_edid);
-
- /*
- * HACK: Warn about unsupported display formats until we deal
- * with them correctly.
- */
- if (connector->display_info.color_formats &&
- !(connector->display_info.color_formats &
- mhdp->display_fmt.color_format))
- dev_warn(mhdp->dev,
- "%s: No supported color_format found (0x%08x)\n",
- __func__, connector->display_info.color_formats);
-
- if (connector->display_info.bpc &&
- connector->display_info.bpc < mhdp->display_fmt.bpc)
- dev_warn(mhdp->dev, "%s: Display bpc only %d < %d\n",
- __func__, connector->display_info.bpc,
- mhdp->display_fmt.bpc);
-
- return num_modes;
-}
-
-static int cdns_mhdp_connector_detect(struct drm_connector *conn,
- struct drm_modeset_acquire_ctx *ctx,
- bool force)
-{
- struct cdns_mhdp_device *mhdp = connector_to_mhdp(conn);
-
- return cdns_mhdp_detect(mhdp);
-}
-
static u32 cdns_mhdp_get_bpp(struct cdns_mhdp_display_fmt *fmt)
{
u32 bpp;
@@ -1547,114 +1497,6 @@ bool cdns_mhdp_bandwidth_ok(struct cdns_mhdp_device
*mhdp,
return true;
}
-static
-enum drm_mode_status cdns_mhdp_mode_valid(struct drm_connector *conn,
- const struct drm_display_mode *mode)
-{
- struct cdns_mhdp_device *mhdp = connector_to_mhdp(conn);
-
- mutex_lock(&mhdp->link_mutex);
-
- if (!cdns_mhdp_bandwidth_ok(mhdp, mode, mhdp->link.num_lanes,
- mhdp->link.rate)) {
- mutex_unlock(&mhdp->link_mutex);
- return MODE_CLOCK_HIGH;
- }
-
- mutex_unlock(&mhdp->link_mutex);
- return MODE_OK;
-}
-
-static int cdns_mhdp_connector_atomic_check(struct drm_connector *conn,
- struct drm_atomic_state *state)
-{
- struct cdns_mhdp_device *mhdp = connector_to_mhdp(conn);
- struct drm_connector_state *old_state, *new_state;
- struct drm_crtc_state *crtc_state;
- u64 old_cp, new_cp;
-
- if (!mhdp->hdcp_supported)
- return 0;
-
- old_state = drm_atomic_get_old_connector_state(state, conn);
- new_state = drm_atomic_get_new_connector_state(state, conn);
- old_cp = old_state->content_protection;
- new_cp = new_state->content_protection;
-
- if (old_state->hdcp_content_type != new_state->hdcp_content_type &&
- new_cp != DRM_MODE_CONTENT_PROTECTION_UNDESIRED) {
- new_state->content_protection =
DRM_MODE_CONTENT_PROTECTION_DESIRED;
- goto mode_changed;
- }
-
- if (!new_state->crtc) {
- if (old_cp == DRM_MODE_CONTENT_PROTECTION_ENABLED)
- new_state->content_protection =
DRM_MODE_CONTENT_PROTECTION_DESIRED;
- return 0;
- }
-
- if (old_cp == new_cp ||
- (old_cp == DRM_MODE_CONTENT_PROTECTION_DESIRED &&
- new_cp == DRM_MODE_CONTENT_PROTECTION_ENABLED))
- return 0;
-
-mode_changed:
- crtc_state = drm_atomic_get_new_crtc_state(state, new_state->crtc);
- crtc_state->mode_changed = true;
-
- return 0;
-}
-
-static const struct drm_connector_helper_funcs cdns_mhdp_conn_helper_funcs = {
- .detect_ctx = cdns_mhdp_connector_detect,
- .get_modes = cdns_mhdp_get_modes,
- .mode_valid = cdns_mhdp_mode_valid,
- .atomic_check = cdns_mhdp_connector_atomic_check,
-};
-
-static const struct drm_connector_funcs cdns_mhdp_conn_funcs = {
- .fill_modes = drm_helper_probe_single_connector_modes,
- .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
- .atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
- .reset = drm_atomic_helper_connector_reset,
- .destroy = drm_connector_cleanup,
-};
-
-static int cdns_mhdp_connector_init(struct cdns_mhdp_device *mhdp)
-{
- u32 bus_format = MEDIA_BUS_FMT_RGB121212_1X36;
- struct drm_connector *conn = &mhdp->connector;
- struct drm_bridge *bridge = &mhdp->bridge;
- int ret;
-
- conn->polled = DRM_CONNECTOR_POLL_HPD;
-
- ret = drm_connector_init(bridge->dev, conn, &cdns_mhdp_conn_funcs,
- DRM_MODE_CONNECTOR_DisplayPort);
- if (ret) {
- dev_err(mhdp->dev, "Failed to initialize connector with drm\n");
- return ret;
- }
-
- drm_connector_helper_add(conn, &cdns_mhdp_conn_helper_funcs);
-
- ret = drm_display_info_set_bus_formats(&conn->display_info,
- &bus_format, 1);
- if (ret)
- return ret;
-
- ret = drm_connector_attach_encoder(conn, bridge->encoder);
- if (ret) {
- dev_err(mhdp->dev, "Failed to attach connector to encoder\n");
- return ret;
- }
-
- if (mhdp->hdcp_supported)
- ret = drm_connector_attach_content_protection_property(conn,
true);
-
- return ret;
-}
-
static int cdns_mhdp_attach(struct drm_bridge *bridge,
struct drm_encoder *encoder,
enum drm_bridge_attach_flags flags)
@@ -1671,9 +1513,11 @@ static int cdns_mhdp_attach(struct drm_bridge *bridge,
return ret;
if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR)) {
- ret = cdns_mhdp_connector_init(mhdp);
- if (ret)
- goto aux_unregister;
+ ret = -EINVAL;
+ dev_err(mhdp->dev,
+ "Connector initialisation not supported in
bridge_attach %d\n",
+ ret);
+ goto aux_unregister;
}
spin_lock(&mhdp->start_lock);
@@ -2158,6 +2002,25 @@ static const struct drm_edid
*cdns_mhdp_bridge_edid_read(struct drm_bridge *brid
return cdns_mhdp_edid_read(mhdp, connector);
}
+static enum drm_mode_status
+cdns_mhdp_bridge_mode_valid(struct drm_bridge *bridge,
+ const struct drm_display_info *info,
+ const struct drm_display_mode *mode)
+{
+ struct cdns_mhdp_device *mhdp = bridge_to_mhdp(bridge);
+
+ mutex_lock(&mhdp->link_mutex);
+
+ if (!cdns_mhdp_bandwidth_ok(mhdp, mode, mhdp->link.num_lanes,
+ mhdp->link.rate)) {
+ mutex_unlock(&mhdp->link_mutex);
+ return MODE_CLOCK_HIGH;
+ }
+
+ mutex_unlock(&mhdp->link_mutex);
+ return MODE_OK;
+}
+
static const struct drm_bridge_funcs cdns_mhdp_bridge_funcs = {
.atomic_enable = cdns_mhdp_atomic_enable,
.atomic_disable = cdns_mhdp_atomic_disable,
@@ -2172,6 +2035,7 @@ static const struct drm_bridge_funcs
cdns_mhdp_bridge_funcs = {
.edid_read = cdns_mhdp_bridge_edid_read,
.hpd_enable = cdns_mhdp_bridge_hpd_enable,
.hpd_disable = cdns_mhdp_bridge_hpd_disable,
+ .mode_valid = cdns_mhdp_bridge_mode_valid,
};
static bool cdns_mhdp_detect_hpd(struct cdns_mhdp_device *mhdp, bool
*hpd_pulse)
--
2.34.1
