diff options
Diffstat (limited to 'drivers/gpu/drm/bridge/panel.c')
| -rw-r--r-- | drivers/gpu/drm/bridge/panel.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/gpu/drm/bridge/panel.c b/drivers/gpu/drm/bridge/panel.c index 7f41525f7a6e..79b009ab9396 100644 --- a/drivers/gpu/drm/bridge/panel.c +++ b/drivers/gpu/drm/bridge/panel.c @@ -4,6 +4,8 @@ * Copyright (C) 2017 Broadcom */ +#include <linux/debugfs.h> + #include <drm/drm_atomic_helper.h> #include <drm/drm_bridge.h> #include <drm/drm_connector.h> @@ -56,6 +58,7 @@ static const struct drm_connector_funcs panel_bridge_connector_funcs = { }; static int panel_bridge_attach(struct drm_bridge *bridge, + struct drm_encoder *encoder, enum drm_bridge_attach_flags flags) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); @@ -65,11 +68,6 @@ static int panel_bridge_attach(struct drm_bridge *bridge, if (flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR) return 0; - if (!bridge->encoder) { - DRM_ERROR("Missing encoder\n"); - return -ENODEV; - } - drm_connector_helper_add(connector, &panel_bridge_connector_helper_funcs); @@ -84,7 +82,7 @@ static int panel_bridge_attach(struct drm_bridge *bridge, drm_panel_bridge_set_orientation(connector, bridge); drm_connector_attach_encoder(&panel_bridge->connector, - bridge->encoder); + encoder); if (bridge->dev->registered) { if (connector->funcs->reset) @@ -112,10 +110,9 @@ static void panel_bridge_detach(struct drm_bridge *bridge) } static void panel_bridge_atomic_pre_enable(struct drm_bridge *bridge, - struct drm_bridge_state *old_bridge_state) + struct drm_atomic_state *atomic_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); - struct drm_atomic_state *atomic_state = old_bridge_state->base.state; struct drm_encoder *encoder = bridge->encoder; struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state; @@ -132,10 +129,9 @@ static void panel_bridge_atomic_pre_enable(struct drm_bridge *bridge, } static void panel_bridge_atomic_enable(struct drm_bridge *bridge, - struct drm_bridge_state *old_bridge_state) + struct drm_atomic_state *atomic_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); - struct drm_atomic_state *atomic_state = old_bridge_state->base.state; struct drm_encoder *encoder = bridge->encoder; struct drm_crtc *crtc; struct drm_crtc_state *old_crtc_state; @@ -152,10 +148,9 @@ static void panel_bridge_atomic_enable(struct drm_bridge *bridge, } static void panel_bridge_atomic_disable(struct drm_bridge *bridge, - struct drm_bridge_state *old_bridge_state) + struct drm_atomic_state *atomic_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); - struct drm_atomic_state *atomic_state = old_bridge_state->base.state; struct drm_encoder *encoder = bridge->encoder; struct drm_crtc *crtc; struct drm_crtc_state *new_crtc_state; @@ -172,10 +167,9 @@ static void panel_bridge_atomic_disable(struct drm_bridge *bridge, } static void panel_bridge_atomic_post_disable(struct drm_bridge *bridge, - struct drm_bridge_state *old_bridge_state) + struct drm_atomic_state *atomic_state) { struct panel_bridge *panel_bridge = drm_bridge_to_panel_bridge(bridge); - struct drm_atomic_state *atomic_state = old_bridge_state->base.state; struct drm_encoder *encoder = bridge->encoder; struct drm_crtc *crtc; struct drm_crtc_state *new_crtc_state; @@ -325,8 +319,10 @@ void drm_panel_bridge_remove(struct drm_bridge *bridge) if (!bridge) return; - if (bridge->funcs != &panel_bridge_bridge_funcs) + if (!drm_bridge_is_panel(bridge)) { + drm_warn(bridge->dev, "%s: called on non-panel bridge!\n", __func__); return; + } panel_bridge = drm_bridge_to_panel_bridge(bridge); @@ -358,9 +354,12 @@ EXPORT_SYMBOL(drm_panel_bridge_set_orientation); static void devm_drm_panel_bridge_release(struct device *dev, void *res) { - struct drm_bridge **bridge = res; + struct drm_bridge *bridge = *(struct drm_bridge **)res; - drm_panel_bridge_remove(*bridge); + if (!bridge) + return; + + drm_bridge_remove(bridge); } /** |