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path: root/drivers/gpu/drm/bridge/display-connector.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/display-connector.c')
-rw-r--r--drivers/gpu/drm/bridge/display-connector.c29
1 files changed, 18 insertions, 11 deletions
diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c
index aab9ce7be94c..e9f16dbc9535 100644
--- a/drivers/gpu/drm/bridge/display-connector.c
+++ b/drivers/gpu/drm/bridge/display-connector.c
@@ -34,13 +34,13 @@ to_display_connector(struct drm_bridge *bridge)
}
static int display_connector_attach(struct drm_bridge *bridge,
+ struct drm_encoder *encoder,
enum drm_bridge_attach_flags flags)
{
return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL;
}
-static enum drm_connector_status
-display_connector_detect(struct drm_bridge *bridge)
+static enum drm_connector_status display_connector_detect(struct drm_bridge *bridge)
{
struct display_connector *conn = to_display_connector(bridge);
@@ -81,6 +81,12 @@ display_connector_detect(struct drm_bridge *bridge)
}
}
+static enum drm_connector_status
+display_connector_bridge_detect(struct drm_bridge *bridge, struct drm_connector *connector)
+{
+ return display_connector_detect(bridge);
+}
+
static const struct drm_edid *display_connector_edid_read(struct drm_bridge *bridge,
struct drm_connector *connector)
{
@@ -102,7 +108,7 @@ static u32 *display_connector_get_output_bus_fmts(struct drm_bridge *bridge,
struct drm_connector_state *conn_state,
unsigned int *num_output_fmts)
{
- struct drm_bridge *prev_bridge = drm_bridge_get_prev_bridge(bridge);
+ struct drm_bridge *prev_bridge __free(drm_bridge_put) = drm_bridge_get_prev_bridge(bridge);
struct drm_bridge_state *prev_bridge_state;
if (!prev_bridge || !prev_bridge->funcs->atomic_get_output_bus_fmts) {
@@ -145,7 +151,7 @@ static u32 *display_connector_get_input_bus_fmts(struct drm_bridge *bridge,
u32 output_fmt,
unsigned int *num_input_fmts)
{
- struct drm_bridge *prev_bridge = drm_bridge_get_prev_bridge(bridge);
+ struct drm_bridge *prev_bridge __free(drm_bridge_put) = drm_bridge_get_prev_bridge(bridge);
struct drm_bridge_state *prev_bridge_state;
if (!prev_bridge || !prev_bridge->funcs->atomic_get_input_bus_fmts) {
@@ -171,7 +177,7 @@ static u32 *display_connector_get_input_bus_fmts(struct drm_bridge *bridge,
static const struct drm_bridge_funcs display_connector_bridge_funcs = {
.attach = display_connector_attach,
- .detect = display_connector_detect,
+ .detect = display_connector_bridge_detect,
.edid_read = display_connector_edid_read,
.atomic_get_output_bus_fmts = display_connector_get_output_bus_fmts,
.atomic_get_input_bus_fmts = display_connector_get_input_bus_fmts,
@@ -209,9 +215,10 @@ static int display_connector_probe(struct platform_device *pdev)
const char *label = NULL;
int ret;
- conn = devm_kzalloc(&pdev->dev, sizeof(*conn), GFP_KERNEL);
- if (!conn)
- return -ENOMEM;
+ conn = devm_drm_bridge_alloc(&pdev->dev, struct display_connector, bridge,
+ &display_connector_bridge_funcs);
+ if (IS_ERR(conn))
+ return PTR_ERR(conn);
platform_set_drvdata(pdev, conn);
@@ -361,13 +368,13 @@ static int display_connector_probe(struct platform_device *pdev)
}
}
- conn->bridge.funcs = &display_connector_bridge_funcs;
conn->bridge.of_node = pdev->dev.of_node;
if (conn->bridge.ddc)
conn->bridge.ops |= DRM_BRIDGE_OP_EDID
| DRM_BRIDGE_OP_DETECT;
- if (conn->hpd_gpio)
+ /* Detecting the monitor requires reading DPCD */
+ if (conn->hpd_gpio && type != DRM_MODE_CONNECTOR_DisplayPort)
conn->bridge.ops |= DRM_BRIDGE_OP_DETECT;
if (conn->hpd_irq >= 0)
conn->bridge.ops |= DRM_BRIDGE_OP_HPD;
@@ -427,7 +434,7 @@ MODULE_DEVICE_TABLE(of, display_connector_match);
static struct platform_driver display_connector_driver = {
.probe = display_connector_probe,
- .remove_new = display_connector_remove,
+ .remove = display_connector_remove,
.driver = {
.name = "display-connector",
.of_match_table = display_connector_match,