diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/parade-ps8622.c')
-rw-r--r-- | drivers/gpu/drm/bridge/parade-ps8622.c | 100 |
1 files changed, 13 insertions, 87 deletions
diff --git a/drivers/gpu/drm/bridge/parade-ps8622.c b/drivers/gpu/drm/bridge/parade-ps8622.c index d789ea2a7fb9..614b19f0f1b7 100644 --- a/drivers/gpu/drm/bridge/parade-ps8622.c +++ b/drivers/gpu/drm/bridge/parade-ps8622.c @@ -42,10 +42,9 @@ #endif struct ps8622_bridge { - struct drm_connector connector; struct i2c_client *client; struct drm_bridge bridge; - struct drm_panel *panel; + struct drm_bridge *panel_bridge; struct regulator *v12; struct backlight_device *bl; @@ -64,12 +63,6 @@ static inline struct ps8622_bridge * return container_of(bridge, struct ps8622_bridge, bridge); } -static inline struct ps8622_bridge * - connector_to_ps8622(struct drm_connector *connector) -{ - return container_of(connector, struct ps8622_bridge, connector); -} - static int ps8622_set(struct i2c_client *client, u8 page, u8 reg, u8 val) { int ret; @@ -365,11 +358,6 @@ static void ps8622_pre_enable(struct drm_bridge *bridge) DRM_ERROR("fails to enable ps8622->v12"); } - if (drm_panel_prepare(ps8622->panel)) { - DRM_ERROR("failed to prepare panel\n"); - return; - } - gpiod_set_value(ps8622->gpio_slp, 1); /* @@ -399,24 +387,9 @@ static void ps8622_pre_enable(struct drm_bridge *bridge) ps8622->enabled = true; } -static void ps8622_enable(struct drm_bridge *bridge) -{ - struct ps8622_bridge *ps8622 = bridge_to_ps8622(bridge); - - if (drm_panel_enable(ps8622->panel)) { - DRM_ERROR("failed to enable panel\n"); - return; - } -} - static void ps8622_disable(struct drm_bridge *bridge) { - struct ps8622_bridge *ps8622 = bridge_to_ps8622(bridge); - - if (drm_panel_disable(ps8622->panel)) { - DRM_ERROR("failed to disable panel\n"); - return; - } + /* Delay after panel is disabled */ msleep(PS8622_PWMO_END_T12_MS); } @@ -436,11 +409,6 @@ static void ps8622_post_disable(struct drm_bridge *bridge) */ gpiod_set_value(ps8622->gpio_slp, 0); - if (drm_panel_unprepare(ps8622->panel)) { - DRM_ERROR("failed to unprepare panel\n"); - return; - } - if (ps8622->v12) regulator_disable(ps8622->v12); @@ -455,67 +423,17 @@ static void ps8622_post_disable(struct drm_bridge *bridge) msleep(PS8622_POWER_OFF_T17_MS); } -static int ps8622_get_modes(struct drm_connector *connector) -{ - struct ps8622_bridge *ps8622; - - ps8622 = connector_to_ps8622(connector); - - return drm_panel_get_modes(ps8622->panel, connector); -} - -static const struct drm_connector_helper_funcs ps8622_connector_helper_funcs = { - .get_modes = ps8622_get_modes, -}; - -static const struct drm_connector_funcs ps8622_connector_funcs = { - .fill_modes = drm_helper_probe_single_connector_modes, - .destroy = drm_connector_cleanup, - .reset = drm_atomic_helper_connector_reset, - .atomic_duplicate_state = drm_atomic_helper_connector_duplicate_state, - .atomic_destroy_state = drm_atomic_helper_connector_destroy_state, -}; - static int ps8622_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags) { struct ps8622_bridge *ps8622 = bridge_to_ps8622(bridge); - int ret; - - if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) { - DRM_ERROR("Fix bridge driver to make connector optional!"); - return -EINVAL; - } - if (!bridge->encoder) { - DRM_ERROR("Parent encoder object not found"); - return -ENODEV; - } - - ps8622->connector.polled = DRM_CONNECTOR_POLL_HPD; - ret = drm_connector_init(bridge->dev, &ps8622->connector, - &ps8622_connector_funcs, DRM_MODE_CONNECTOR_LVDS); - if (ret) { - DRM_ERROR("Failed to initialize connector with drm\n"); - return ret; - } - drm_connector_helper_add(&ps8622->connector, - &ps8622_connector_helper_funcs); - drm_connector_register(&ps8622->connector); - drm_connector_attach_encoder(&ps8622->connector, - bridge->encoder); - - if (ps8622->panel) - drm_panel_attach(ps8622->panel, &ps8622->connector); - - drm_helper_hpd_irq_event(ps8622->connector.dev); - - return ret; + return drm_bridge_attach(ps8622->bridge.encoder, ps8622->panel_bridge, + &ps8622->bridge, flags); } static const struct drm_bridge_funcs ps8622_bridge_funcs = { .pre_enable = ps8622_pre_enable, - .enable = ps8622_enable, .disable = ps8622_disable, .post_disable = ps8622_post_disable, .attach = ps8622_attach, @@ -533,16 +451,23 @@ static int ps8622_probe(struct i2c_client *client, { struct device *dev = &client->dev; struct ps8622_bridge *ps8622; + struct drm_bridge *panel_bridge; + struct drm_panel *panel; int ret; ps8622 = devm_kzalloc(dev, sizeof(*ps8622), GFP_KERNEL); if (!ps8622) return -ENOMEM; - ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, &ps8622->panel, NULL); + ret = drm_of_find_panel_or_bridge(dev->of_node, 0, 0, &panel, NULL); if (ret) return ret; + panel_bridge = devm_drm_panel_bridge_add(dev, panel); + if (IS_ERR(panel_bridge)) + return PTR_ERR(panel_bridge); + + ps8622->panel_bridge = panel_bridge; ps8622->client = client; ps8622->v12 = devm_regulator_get(dev, "vdd12"); @@ -595,6 +520,7 @@ static int ps8622_probe(struct i2c_client *client, } ps8622->bridge.funcs = &ps8622_bridge_funcs; + ps8622->bridge.type = DRM_MODE_CONNECTOR_LVDS; ps8622->bridge.of_node = dev->of_node; drm_bridge_add(&ps8622->bridge); |