diff options
Diffstat (limited to 'include/drm/drm_bridge.h')
| -rw-r--r-- | include/drm/drm_bridge.h | 75 |
1 files changed, 74 insertions, 1 deletions
diff --git a/include/drm/drm_bridge.h b/include/drm/drm_bridge.h index 6b656ea23b96..ad6c06b960fd 100644 --- a/include/drm/drm_bridge.h +++ b/include/drm/drm_bridge.h @@ -191,7 +191,7 @@ struct drm_bridge_funcs { * or &drm_encoder_helper_funcs.dpms hook. * * The bridge must assume that the display pipe (i.e. clocks and timing - * singals) feeding it is no longer running when this callback is + * signals) feeding it is no longer running when this callback is * called. * * The @post_disable callback is optional. @@ -204,6 +204,20 @@ struct drm_bridge_funcs { void (*post_disable)(struct drm_bridge *bridge); /** + * @late_disable: + * + * This callback should disable the bridge. It is called right after the + * preceding element in the display pipe is disabled. If the preceding + * element is a bridge this means it's called after that bridge's + * @atomic_post_disable. If the preceding element is a &drm_crtc it's + * called right after the crtc's &drm_crtc_helper_funcs.atomic_disable + * hook. + * + * The @elate_disable callback is optional. + */ + void (*late_disable)(struct drm_bridge *bridge); + + /** * @mode_set: * * This callback should set the given mode on the bridge. It is called @@ -232,6 +246,26 @@ struct drm_bridge_funcs { void (*mode_set)(struct drm_bridge *bridge, const struct drm_display_mode *mode, const struct drm_display_mode *adjusted_mode); + + /** + * @early_enable: + * + * This callback should enable the bridge. It is called right before + * the preceding element in the display pipe is enabled. If the + * preceding element is a bridge this means it's called before that + * bridge's @atomic_early_enable. If the preceding element is a + * &drm_crtc it's called right before the crtc's + * &drm_crtc_helper_funcs.atomic_enable hook. + * + * The display pipe (i.e. clocks and timing signals) feeding this bridge + * will not yet be running when this callback is called. The bridge can + * enable the display link feeding the next bridge in the chain (if + * there is one) when this callback is called. + * + * The @early_enable callback is optional. + */ + void (*early_enable)(struct drm_bridge *bridge); + /** * @pre_enable: * @@ -283,6 +317,26 @@ struct drm_bridge_funcs { void (*enable)(struct drm_bridge *bridge); /** + * @early_enable: + * + * This callback should enable the bridge. It is called right before + * the preceding element in the display pipe is enabled. If the + * preceding element is a bridge this means it's called before that + * bridge's @atomic_early_enable. If the preceding element is a + * &drm_crtc it's called right before the crtc's + * &drm_crtc_helper_funcs.atomic_enable hook. + * + * The display pipe (i.e. clocks and timing signals) feeding this bridge + * will not yet be running when this callback is called. The bridge can + * enable the display link feeding the next bridge in the chain (if + * there is one) when this callback is called. + * + * The @early_enable callback is optional. + */ + void (*atomic_early_enable)(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state); + + /** * @atomic_pre_enable: * * This callback should enable the bridge. It is called right before @@ -383,6 +437,21 @@ struct drm_bridge_funcs { struct drm_bridge_state *old_bridge_state); /** + * @late_disable: + * + * This callback should disable the bridge. It is called right after the + * preceding element in the display pipe is disabled. If the preceding + * element is a bridge this means it's called after that bridge's + * @atomic_post_disable. If the preceding element is a &drm_crtc it's + * called right after the crtc's &drm_crtc_helper_funcs.atomic_disable + * hook. + * + * The @elate_disable callback is optional. + */ + void (*atomic_late_disable)(struct drm_bridge *bridge, + struct drm_bridge_state *old_bridge_state); + + /** * @atomic_duplicate_state: * * Duplicate the current bridge state object (which is guaranteed to be @@ -899,6 +968,10 @@ void drm_atomic_bridge_chain_disable(struct drm_bridge *bridge, struct drm_atomic_state *state); void drm_atomic_bridge_chain_post_disable(struct drm_bridge *bridge, struct drm_atomic_state *state); +void drm_atomic_bridge_chain_late_disable(struct drm_bridge *bridge, + struct drm_atomic_state *state); +void drm_atomic_bridge_chain_early_enable(struct drm_bridge *bridge, + struct drm_atomic_state *state); void drm_atomic_bridge_chain_pre_enable(struct drm_bridge *bridge, struct drm_atomic_state *state); void drm_atomic_bridge_chain_enable(struct drm_bridge *bridge, |