diff options
Diffstat (limited to 'include/drm/drm_atomic_helper.h')
| -rw-r--r-- | include/drm/drm_atomic_helper.h | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/include/drm/drm_atomic_helper.h b/include/drm/drm_atomic_helper.h new file mode 100644 index 000000000000..f956b413311e --- /dev/null +++ b/include/drm/drm_atomic_helper.h @@ -0,0 +1,126 @@ +/* + * Copyright (C) 2014 Red Hat + * Copyright (C) 2014 Intel Corp. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Rob Clark <robdclark@gmail.com> + * Daniel Vetter <daniel.vetter@ffwll.ch> + */ + +#ifndef DRM_ATOMIC_HELPER_H_ +#define DRM_ATOMIC_HELPER_H_ + +#include <drm/drm_crtc.h> + +int drm_atomic_helper_check(struct drm_device *dev, + struct drm_atomic_state *state); +int drm_atomic_helper_commit(struct drm_device *dev, + struct drm_atomic_state *state, + bool async); + +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, + struct drm_atomic_state *state); +void drm_atomic_helper_commit_post_planes(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); +void drm_atomic_helper_cleanup_planes(struct drm_device *dev, + struct drm_atomic_state *old_state); + +void drm_atomic_helper_swap_state(struct drm_device *dev, + struct drm_atomic_state *state); + +/* implementations for legacy interfaces */ +int drm_atomic_helper_update_plane(struct drm_plane *plane, + struct drm_crtc *crtc, + struct drm_framebuffer *fb, + int crtc_x, int crtc_y, + unsigned int crtc_w, unsigned int crtc_h, + 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_set_config(struct drm_mode_set *set); + +int drm_atomic_helper_crtc_set_property(struct drm_crtc *crtc, + struct drm_property *property, + uint64_t val); +int drm_atomic_helper_plane_set_property(struct drm_plane *plane, + struct drm_property *property, + uint64_t val); +int drm_atomic_helper_connector_set_property(struct drm_connector *connector, + struct drm_property *property, + uint64_t val); +int drm_atomic_helper_page_flip(struct drm_crtc *crtc, + struct drm_framebuffer *fb, + struct drm_pending_vblank_event *event, + uint32_t flags); + +/* default implementations for state handling */ +void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc); +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_plane_reset(struct drm_plane *plane); +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_connector_reset(struct drm_connector *connector); +struct drm_connector_state * +drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector); +void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector, + struct drm_connector_state *state); + +/** + * drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC + * @plane: the loop cursor + * @crtc: the crtc whose planes are iterated + * + * This iterates over the current state, useful (for example) when applying + * atomic state after it has been checked and swapped. To iterate over the + * planes which *will* be attached (for ->atomic_check()) see + * drm_crtc_for_each_pending_plane() + */ +#define drm_atomic_crtc_for_each_plane(plane, crtc) \ + drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask) + +/** + * drm_crtc_atomic_state_for_each_plane - iterate over attached planes in new state + * @plane: the loop cursor + * @crtc_state: the incoming crtc-state + * + * Similar to drm_crtc_for_each_plane(), but iterates the planes that will be + * attached if the specified state is applied. Useful during (for example) + * ->atomic_check() operations, to validate the incoming state + */ +#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) + +#endif /* DRM_ATOMIC_HELPER_H_ */ |