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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.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/bridge/display-connector.c b/drivers/gpu/drm/bridge/display-connector.c
index badd2c7f91a1..e9f16dbc9535 100644
--- a/drivers/gpu/drm/bridge/display-connector.c
+++ b/drivers/gpu/drm/bridge/display-connector.c
@@ -40,8 +40,7 @@ static int display_connector_attach(struct drm_bridge *bridge,
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);
@@ -82,6 +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)
{
@@ -103,7 +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) {
@@ -146,7 +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) {
@@ -172,7 +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,
@@ -368,7 +373,8 @@ static int display_connector_probe(struct platform_device *pdev)
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;