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path: root/drivers/gpu/drm/bridge/analogix/anx7625.c
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Diffstat (limited to 'drivers/gpu/drm/bridge/analogix/anx7625.c')
-rw-r--r--drivers/gpu/drm/bridge/analogix/anx7625.c47
1 files changed, 27 insertions, 20 deletions
diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
index 0b97b66de577..8a9079c2ed5c 100644
--- a/drivers/gpu/drm/bridge/analogix/anx7625.c
+++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
@@ -1257,10 +1257,10 @@ static void anx7625_power_on(struct anx7625_data *ctx)
usleep_range(11000, 12000);
/* Power on pin enable */
- gpiod_set_value(ctx->pdata.gpio_p_on, 1);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_p_on, 1);
usleep_range(10000, 11000);
/* Power reset pin enable */
- gpiod_set_value(ctx->pdata.gpio_reset, 1);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_reset, 1);
usleep_range(10000, 11000);
DRM_DEV_DEBUG_DRIVER(dev, "power on !\n");
@@ -1280,9 +1280,9 @@ static void anx7625_power_standby(struct anx7625_data *ctx)
return;
}
- gpiod_set_value(ctx->pdata.gpio_reset, 0);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_reset, 0);
usleep_range(1000, 1100);
- gpiod_set_value(ctx->pdata.gpio_p_on, 0);
+ gpiod_set_value_cansleep(ctx->pdata.gpio_p_on, 0);
usleep_range(1000, 1100);
ret = regulator_bulk_disable(ARRAY_SIZE(ctx->pdata.supplies),
@@ -1814,9 +1814,6 @@ static enum drm_connector_status anx7625_sink_detect(struct anx7625_data *ctx)
DRM_DEV_DEBUG_DRIVER(dev, "sink detect\n");
- if (ctx->pdata.panel_bridge)
- return connector_status_connected;
-
return ctx->hpd_status ? connector_status_connected :
connector_status_disconnected;
}
@@ -2141,6 +2138,7 @@ static void hdcp_check_work_func(struct work_struct *work)
}
static int anx7625_bridge_attach(struct drm_bridge *bridge,
+ struct drm_encoder *encoder,
enum drm_bridge_attach_flags flags)
{
struct anx7625_data *ctx = bridge_to_anx7625(bridge);
@@ -2159,7 +2157,7 @@ static int anx7625_bridge_attach(struct drm_bridge *bridge,
}
if (ctx->pdata.panel_bridge) {
- err = drm_bridge_attach(bridge->encoder,
+ err = drm_bridge_attach(encoder,
ctx->pdata.panel_bridge,
&ctx->bridge, flags);
if (err)
@@ -2474,6 +2472,22 @@ static const struct drm_edid *anx7625_bridge_edid_read(struct drm_bridge *bridge
return anx7625_edid_read(ctx);
}
+static void anx7625_bridge_hpd_enable(struct drm_bridge *bridge)
+{
+ struct anx7625_data *ctx = bridge_to_anx7625(bridge);
+ struct device *dev = ctx->dev;
+
+ pm_runtime_get_sync(dev);
+}
+
+static void anx7625_bridge_hpd_disable(struct drm_bridge *bridge)
+{
+ struct anx7625_data *ctx = bridge_to_anx7625(bridge);
+ struct device *dev = ctx->dev;
+
+ pm_runtime_put_sync(dev);
+}
+
static const struct drm_bridge_funcs anx7625_bridge_funcs = {
.attach = anx7625_bridge_attach,
.detach = anx7625_bridge_detach,
@@ -2487,6 +2501,8 @@ static const struct drm_bridge_funcs anx7625_bridge_funcs = {
.atomic_reset = drm_atomic_helper_bridge_reset,
.detect = anx7625_bridge_detect,
.edid_read = anx7625_bridge_edid_read,
+ .hpd_enable = anx7625_bridge_hpd_enable,
+ .hpd_disable = anx7625_bridge_hpd_disable,
};
static int anx7625_register_i2c_dummy_clients(struct anx7625_data *ctx,
@@ -2568,12 +2584,6 @@ static const struct dev_pm_ops anx7625_pm_ops = {
anx7625_runtime_pm_resume, NULL)
};
-static void anx7625_runtime_disable(void *data)
-{
- pm_runtime_dont_use_autosuspend(data);
- pm_runtime_disable(data);
-}
-
static int anx7625_link_bridge(struct drm_dp_aux *aux)
{
struct anx7625_data *platform = container_of(aux, struct anx7625_data, aux);
@@ -2590,9 +2600,8 @@ static int anx7625_link_bridge(struct drm_dp_aux *aux)
platform->bridge.of_node = dev->of_node;
if (!anx7625_of_panel_on_aux_bus(dev))
platform->bridge.ops |= DRM_BRIDGE_OP_EDID;
- if (!platform->pdata.panel_bridge)
- platform->bridge.ops |= DRM_BRIDGE_OP_HPD |
- DRM_BRIDGE_OP_DETECT;
+ if (!platform->pdata.panel_bridge || !anx7625_of_panel_on_aux_bus(dev))
+ platform->bridge.ops |= DRM_BRIDGE_OP_HPD | DRM_BRIDGE_OP_DETECT;
platform->bridge.type = platform->pdata.panel_bridge ?
DRM_MODE_CONNECTOR_eDP :
DRM_MODE_CONNECTOR_DisplayPort;
@@ -2707,11 +2716,10 @@ static int anx7625_i2c_probe(struct i2c_client *client)
goto free_wq;
}
- pm_runtime_enable(dev);
pm_runtime_set_autosuspend_delay(dev, 1000);
pm_runtime_use_autosuspend(dev);
pm_suspend_ignore_children(dev, true);
- ret = devm_add_action_or_reset(dev, anx7625_runtime_disable, dev);
+ ret = devm_pm_runtime_enable(dev);
if (ret)
goto free_wq;
@@ -2771,7 +2779,6 @@ static void anx7625_i2c_remove(struct i2c_client *client)
if (platform->hdcp_workqueue) {
cancel_delayed_work(&platform->hdcp_work);
- flush_workqueue(platform->hdcp_workqueue);
destroy_workqueue(platform->hdcp_workqueue);
}