| 30,6 → 30,12 |
|---|
| |
| #include <drm/drm_crtc.h> |
| |
| struct drm_atomic_state; |
| |
| int drm_atomic_helper_check_modeset(struct drm_device *dev, |
| struct drm_atomic_state *state); |
| int drm_atomic_helper_check_planes(struct drm_device *dev, |
| struct drm_atomic_state *state); |
| int drm_atomic_helper_check(struct drm_device *dev, |
| struct drm_atomic_state *state); |
| int drm_atomic_helper_commit(struct drm_device *dev, |
| 39,17 → 45,23 |
|---|
| void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, |
| struct drm_atomic_state *old_state); |
| |
| void drm_atomic_helper_commit_pre_planes(struct drm_device *dev, |
| void |
| drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, |
| struct drm_atomic_state *old_state); |
| |
| void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, |
| struct drm_atomic_state *state); |
| void drm_atomic_helper_commit_post_planes(struct drm_device *dev, |
| void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, |
| struct drm_atomic_state *old_state); |
| |
| int drm_atomic_helper_prepare_planes(struct drm_device *dev, |
| struct drm_atomic_state *state); |
| void drm_atomic_helper_commit_planes(struct drm_device *dev, |
| struct drm_atomic_state *state); |
| struct drm_atomic_state *state, |
| bool active_only); |
| void drm_atomic_helper_cleanup_planes(struct drm_device *dev, |
| struct drm_atomic_state *old_state); |
| void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); |
| |
| void drm_atomic_helper_swap_state(struct drm_device *dev, |
| struct drm_atomic_state *state); |
| 63,7 → 75,11 |
|---|
| uint32_t src_x, uint32_t src_y, |
| uint32_t src_w, uint32_t src_h); |
| int drm_atomic_helper_disable_plane(struct drm_plane *plane); |
| int __drm_atomic_helper_disable_plane(struct drm_plane *plane, |
| struct drm_plane_state *plane_state); |
| int drm_atomic_helper_set_config(struct drm_mode_set *set); |
| int __drm_atomic_helper_set_config(struct drm_mode_set *set, |
| struct drm_atomic_state *state); |
| |
| int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, |
| struct drm_property *property, |
| 78,23 → 94,42 |
|---|
| struct drm_framebuffer *fb, |
| struct drm_pending_vblank_event *event, |
| uint32_t flags); |
| int drm_atomic_helper_connector_dpms(struct drm_connector *connector, |
| int mode); |
| |
| /* default implementations for state handling */ |
| void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc); |
| void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc, |
| struct drm_crtc_state *state); |
| struct drm_crtc_state * |
| drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc); |
| void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
| struct drm_crtc_state *state); |
| void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc, |
| struct drm_crtc_state *state); |
| |
| void drm_atomic_helper_plane_reset(struct drm_plane *plane); |
| void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane, |
| struct drm_plane_state *state); |
| struct drm_plane_state * |
| drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane); |
| void __drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
| struct drm_plane_state *state); |
| void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane, |
| struct drm_plane_state *state); |
| |
| void drm_atomic_helper_connector_reset(struct drm_connector *connector); |
| void |
| __drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector, |
| struct drm_connector_state *state); |
| struct drm_connector_state * |
| drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector); |
| struct drm_atomic_state * |
| drm_atomic_helper_duplicate_state(struct drm_device *dev, |
| struct drm_modeset_acquire_ctx *ctx); |
| void |
| __drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
| struct drm_connector_state *state); |
| void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, |
| struct drm_connector_state *state); |
| |
| 123,4 → 158,41 |
|---|
| #define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \ |
| drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) |
| |
| /* |
| * drm_atomic_plane_disabling - check whether a plane is being disabled |
| * @plane: plane object |
| * @old_state: previous atomic state |
| * |
| * Checks the atomic state of a plane to determine whether it's being disabled |
| * or not. This also WARNs if it detects an invalid state (both CRTC and FB |
| * need to either both be NULL or both be non-NULL). |
| * |
| * RETURNS: |
| * True if the plane is being disabled, false otherwise. |
| */ |
| static inline bool |
| drm_atomic_plane_disabling(struct drm_plane *plane, |
| struct drm_plane_state *old_state) |
| { |
| /* |
| * When disabling a plane, CRTC and FB should always be NULL together. |
| * Anything else should be considered a bug in the atomic core, so we |
| * gently warn about it. |
| */ |
| WARN_ON((plane->state->crtc == NULL && plane->state->fb != NULL) || |
| (plane->state->crtc != NULL && plane->state->fb == NULL)); |
| |
| /* |
| * When using the transitional helpers, old_state may be NULL. If so, |
| * we know nothing about the current state and have to assume that it |
| * might be enabled. |
| * |
| * When using the atomic helpers, old_state won't be NULL. Therefore |
| * this check assumes that either the driver will have reconstructed |
| * the correct state in ->reset() or that the driver will have taken |
| * appropriate measures to disable all planes. |
| */ |
| return (!old_state || old_state->crtc) && !plane->state->crtc; |
| } |
| |
| #endif /* DRM_ATOMIC_HELPER_H_ */ |