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-rw-r--r--drivers/gpu/drm/bridge/panel.c12
-rw-r--r--drivers/gpu/drm/drm_bridge_connector.c15
-rw-r--r--drivers/gpu/drm/drm_debugfs.c3
-rw-r--r--include/drm/drm_bridge.h7
-rw-r--r--include/drm/drm_connector.h7
-rw-r--r--include/drm/drm_panel.h8
6 files changed, 52 insertions, 0 deletions
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c
index b32295abd9e7..5be057575183 100644
--- a/drivers/gpu/drm/bridge/panel.c
+++ b/drivers/gpu/drm/bridge/panel.c
@@ -138,6 +138,17 @@ static int panel_bridge_get_modes(struct drm_bridge *bridge,
return drm_panel_get_modes(panel_bridge->panel, connector);
}
+static void panel_bridge_debugfs_init(struct drm_bridge *bridge,
+ struct dentry *root)
+{
+ struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge);
+ struct drm_panel *panel = panel_bridge->panel;
+
+ root = debugfs_create_dir("panel", root);
+ if (panel->funcs->debugfs_init)
+ panel->funcs->debugfs_init(panel, root);
+}
+
static const struct drm_bridge_funcs panel_bridge_bridge_funcs = {
.attach = panel_bridge_attach,
.detach = panel_bridge_detach,
@@ -150,6 +161,7 @@ static const struct drm_bridge_funcs panel_bridge_bridge_funcs = {
.atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
.atomic_get_input_bus_fmts = drm_atomic_helper_bridge_propagate_bus_fmt,
+ .debugfs_init = panel_bridge_debugfs_init,
};
/**
diff --git a/drivers/gpu/drm/drm_bridge_connector.c b/drivers/gpu/drm/drm_bridge_connector.c
index 791379816837..60923cdfe8e1 100644
--- a/drivers/gpu/drm/drm_bridge_connector.c
+++ b/drivers/gpu/drm/drm_bridge_connector.c
@@ -216,6 +216,20 @@ static void drm_bridge_connector_destroy(struct drm_connector *connector)
kfree(bridge_connector);
}
+static void drm_bridge_connector_debugfs_init(struct drm_connector *connector,
+ struct dentry *root)
+{
+ struct drm_bridge_connector *bridge_connector =
+ to_drm_bridge_connector(connector);
+ struct drm_encoder *encoder = bridge_connector->encoder;
+ struct drm_bridge *bridge;
+
+ list_for_each_entry(bridge, &encoder->bridge_chain, chain_node) {
+ if (bridge->funcs->debugfs_init)
+ bridge->funcs->debugfs_init(bridge, root);
+ }
+}
+
static const struct drm_connector_funcs drm_bridge_connector_funcs = {
.reset = drm_atomic_helper_connector_reset,
.detect = drm_bridge_connector_detect,
@@ -223,6 +237,7 @@ static const struct drm_connector_funcs drm_bridge_connector_funcs = {
.destroy = drm_bridge_connector_destroy,
.atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state,
.atomic_destroy_state = drm_atomic_helper_connector_destroy_state,
+ .debugfs_init = drm_bridge_connector_debugfs_init,
};
/* -----------------------------------------------------------------------------
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index b0a826489488..7f1b82dbaebb 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -436,6 +436,9 @@ void drm_debugfs_connector_add(struct drm_connector *connector)
/* vrr range */
debugfs_create_file("vrr_range", S_IRUGO, root, connector,
&vrr_range_fops);
+
+ if (connector->funcs->debugfs_init)
+ connector->funcs->debugfs_init(connector, root);
}
void drm_debugfs_connector_remove(struct drm_connector *connector)
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h
index 061d87313fac..f27b4060faa2 100644
--- a/include/drm/drm_bridge.h
+++ b/include/drm/drm_bridge.h
@@ -649,6 +649,13 @@ struct drm_bridge_funcs {
* the DRM_BRIDGE_OP_HPD flag in their &drm_bridge->ops.
*/
void (*hpd_disable)(struct drm_bridge *bridge);
+
+ /**
+ * @debugfs_init:
+ *
+ * Allows bridges to create bridge-specific debugfs files.
+ */
+ void (*debugfs_init)(struct drm_bridge *bridge, struct dentry *root);
};
/**
diff --git a/include/drm/drm_connector.h b/include/drm/drm_connector.h
index 5e36eb3df66f..5166186146f4 100644
--- a/include/drm/drm_connector.h
+++ b/include/drm/drm_connector.h
@@ -1142,6 +1142,13 @@ struct drm_connector_funcs {
* has been received from a source outside the display driver / device.
*/
void (*oob_hotplug_event)(struct drm_connector *connector);
+
+ /**
+ * @debugfs_init:
+ *
+ * Allows connectors to create connector-specific debugfs files.
+ */
+ void (*debugfs_init)(struct drm_connector *connector, struct dentry *root);
};
/**
diff --git a/include/drm/drm_panel.h b/include/drm/drm_panel.h
index 4602f833eb51..1ba2d424a53f 100644
--- a/include/drm/drm_panel.h
+++ b/include/drm/drm_panel.h
@@ -29,6 +29,7 @@
#include <linux/list.h>
struct backlight_device;
+struct dentry;
struct device_node;
struct drm_connector;
struct drm_device;
@@ -125,6 +126,13 @@ struct drm_panel_funcs {
*/
int (*get_timings)(struct drm_panel *panel, unsigned int num_timings,
struct display_timing *timings);
+
+ /**
+ * @debugfs_init:
+ *
+ * Allows panels to create panels-specific debugfs files.
+ */
+ void (*debugfs_init)(struct drm_panel *panel, struct dentry *root);
};
/**