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234 lines
9.3 KiB
234 lines
9.3 KiB
/* |
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* Copyright (C) 2014 Red Hat |
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* Copyright (C) 2014 Intel Corp. |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a |
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* copy of this software and associated documentation files (the "Software"), |
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* to deal in the Software without restriction, including without limitation |
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* the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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* and/or sell copies of the Software, and to permit persons to whom the |
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* Software is furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in |
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* all copies or substantial portions of the Software. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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* OTHER DEALINGS IN THE SOFTWARE. |
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* |
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* Authors: |
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* Rob Clark <[email protected]> |
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* Daniel Vetter <[email protected]> |
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*/ |
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#ifndef DRM_ATOMIC_HELPER_H_ |
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#define DRM_ATOMIC_HELPER_H_ |
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#include <drm/drm_crtc.h> |
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#include <drm/drm_modeset_helper_vtables.h> |
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#include <drm/drm_modeset_helper.h> |
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#include <drm/drm_atomic_state_helper.h> |
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#include <drm/drm_util.h> |
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struct drm_atomic_state; |
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struct drm_private_obj; |
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struct drm_private_state; |
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int drm_atomic_helper_check_modeset(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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int drm_atomic_helper_check_plane_state(struct drm_plane_state *plane_state, |
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const struct drm_crtc_state *crtc_state, |
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int min_scale, |
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int max_scale, |
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bool can_position, |
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bool can_update_disabled); |
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int drm_atomic_helper_check_planes(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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int drm_atomic_helper_check(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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void drm_atomic_helper_commit_tail(struct drm_atomic_state *state); |
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void drm_atomic_helper_commit_tail_rpm(struct drm_atomic_state *state); |
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int drm_atomic_helper_commit(struct drm_device *dev, |
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struct drm_atomic_state *state, |
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bool nonblock); |
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int drm_atomic_helper_async_check(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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void drm_atomic_helper_async_commit(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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int drm_atomic_helper_wait_for_fences(struct drm_device *dev, |
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struct drm_atomic_state *state, |
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bool pre_swap); |
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void drm_atomic_helper_wait_for_vblanks(struct drm_device *dev, |
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struct drm_atomic_state *old_state); |
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void drm_atomic_helper_wait_for_flip_done(struct drm_device *dev, |
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struct drm_atomic_state *old_state); |
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void |
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drm_atomic_helper_update_legacy_modeset_state(struct drm_device *dev, |
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struct drm_atomic_state *old_state); |
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void |
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drm_atomic_helper_calc_timestamping_constants(struct drm_atomic_state *state); |
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void drm_atomic_helper_commit_modeset_disables(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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void drm_atomic_helper_commit_modeset_enables(struct drm_device *dev, |
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struct drm_atomic_state *old_state); |
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int drm_atomic_helper_prepare_planes(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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#define DRM_PLANE_COMMIT_ACTIVE_ONLY BIT(0) |
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#define DRM_PLANE_COMMIT_NO_DISABLE_AFTER_MODESET BIT(1) |
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void drm_atomic_helper_commit_planes(struct drm_device *dev, |
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struct drm_atomic_state *state, |
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uint32_t flags); |
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void drm_atomic_helper_cleanup_planes(struct drm_device *dev, |
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struct drm_atomic_state *old_state); |
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void drm_atomic_helper_commit_planes_on_crtc(struct drm_crtc_state *old_crtc_state); |
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void |
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drm_atomic_helper_disable_planes_on_crtc(struct drm_crtc_state *old_crtc_state, |
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bool atomic); |
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int __must_check drm_atomic_helper_swap_state(struct drm_atomic_state *state, |
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bool stall); |
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/* nonblocking commit helpers */ |
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int drm_atomic_helper_setup_commit(struct drm_atomic_state *state, |
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bool nonblock); |
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void drm_atomic_helper_wait_for_dependencies(struct drm_atomic_state *state); |
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void drm_atomic_helper_fake_vblank(struct drm_atomic_state *state); |
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void drm_atomic_helper_commit_hw_done(struct drm_atomic_state *state); |
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void drm_atomic_helper_commit_cleanup_done(struct drm_atomic_state *state); |
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/* implementations for legacy interfaces */ |
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int drm_atomic_helper_update_plane(struct drm_plane *plane, |
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struct drm_crtc *crtc, |
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struct drm_framebuffer *fb, |
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int crtc_x, int crtc_y, |
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unsigned int crtc_w, unsigned int crtc_h, |
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uint32_t src_x, uint32_t src_y, |
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uint32_t src_w, uint32_t src_h, |
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struct drm_modeset_acquire_ctx *ctx); |
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int drm_atomic_helper_disable_plane(struct drm_plane *plane, |
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struct drm_modeset_acquire_ctx *ctx); |
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int drm_atomic_helper_set_config(struct drm_mode_set *set, |
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struct drm_modeset_acquire_ctx *ctx); |
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int drm_atomic_helper_disable_all(struct drm_device *dev, |
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struct drm_modeset_acquire_ctx *ctx); |
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void drm_atomic_helper_shutdown(struct drm_device *dev); |
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struct drm_atomic_state * |
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drm_atomic_helper_duplicate_state(struct drm_device *dev, |
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struct drm_modeset_acquire_ctx *ctx); |
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struct drm_atomic_state *drm_atomic_helper_suspend(struct drm_device *dev); |
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int drm_atomic_helper_commit_duplicated_state(struct drm_atomic_state *state, |
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struct drm_modeset_acquire_ctx *ctx); |
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int drm_atomic_helper_resume(struct drm_device *dev, |
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struct drm_atomic_state *state); |
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int drm_atomic_helper_page_flip(struct drm_crtc *crtc, |
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struct drm_framebuffer *fb, |
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struct drm_pending_vblank_event *event, |
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uint32_t flags, |
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struct drm_modeset_acquire_ctx *ctx); |
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int drm_atomic_helper_page_flip_target( |
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struct drm_crtc *crtc, |
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struct drm_framebuffer *fb, |
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struct drm_pending_vblank_event *event, |
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uint32_t flags, |
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uint32_t target, |
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struct drm_modeset_acquire_ctx *ctx); |
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/** |
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* drm_atomic_crtc_for_each_plane - iterate over planes currently attached to CRTC |
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* @plane: the loop cursor |
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* @crtc: the CRTC whose planes are iterated |
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* |
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* This iterates over the current state, useful (for example) when applying |
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* atomic state after it has been checked and swapped. To iterate over the |
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* planes which *will* be attached (more useful in code called from |
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* &drm_mode_config_funcs.atomic_check) see |
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* drm_atomic_crtc_state_for_each_plane(). |
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*/ |
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#define drm_atomic_crtc_for_each_plane(plane, crtc) \ |
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drm_for_each_plane_mask(plane, (crtc)->dev, (crtc)->state->plane_mask) |
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/** |
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* drm_atomic_crtc_state_for_each_plane - iterate over attached planes in new state |
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* @plane: the loop cursor |
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* @crtc_state: the incoming CRTC state |
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* |
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* Similar to drm_crtc_for_each_plane(), but iterates the planes that will be |
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* attached if the specified state is applied. Useful during for example |
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* in code called from &drm_mode_config_funcs.atomic_check operations, to |
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* validate the incoming state. |
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*/ |
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#define drm_atomic_crtc_state_for_each_plane(plane, crtc_state) \ |
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drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) |
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/** |
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* drm_atomic_crtc_state_for_each_plane_state - iterate over attached planes in new state |
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* @plane: the loop cursor |
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* @plane_state: loop cursor for the plane's state, must be const |
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* @crtc_state: the incoming CRTC state |
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* |
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* Similar to drm_crtc_for_each_plane(), but iterates the planes that will be |
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* attached if the specified state is applied. Useful during for example |
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* in code called from &drm_mode_config_funcs.atomic_check operations, to |
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* validate the incoming state. |
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* |
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* Compared to just drm_atomic_crtc_state_for_each_plane() this also fills in a |
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* const plane_state. This is useful when a driver just wants to peek at other |
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* active planes on this CRTC, but does not need to change it. |
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*/ |
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#define drm_atomic_crtc_state_for_each_plane_state(plane, plane_state, crtc_state) \ |
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drm_for_each_plane_mask(plane, (crtc_state)->state->dev, (crtc_state)->plane_mask) \ |
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for_each_if ((plane_state = \ |
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__drm_atomic_get_current_plane_state((crtc_state)->state, \ |
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plane))) |
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/** |
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* drm_atomic_plane_disabling - check whether a plane is being disabled |
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* @old_plane_state: old atomic plane state |
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* @new_plane_state: new atomic plane state |
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* |
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* Checks the atomic state of a plane to determine whether it's being disabled |
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* or not. This also WARNs if it detects an invalid state (both CRTC and FB |
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* need to either both be NULL or both be non-NULL). |
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* |
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* RETURNS: |
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* True if the plane is being disabled, false otherwise. |
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*/ |
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static inline bool |
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drm_atomic_plane_disabling(struct drm_plane_state *old_plane_state, |
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struct drm_plane_state *new_plane_state) |
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{ |
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/* |
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* When disabling a plane, CRTC and FB should always be NULL together. |
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* Anything else should be considered a bug in the atomic core, so we |
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* gently warn about it. |
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*/ |
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WARN_ON((new_plane_state->crtc == NULL && new_plane_state->fb != NULL) || |
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(new_plane_state->crtc != NULL && new_plane_state->fb == NULL)); |
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return old_plane_state->crtc && !new_plane_state->crtc; |
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} |
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u32 * |
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drm_atomic_helper_bridge_propagate_bus_fmt(struct drm_bridge *bridge, |
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struct drm_bridge_state *bridge_state, |
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struct drm_crtc_state *crtc_state, |
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struct drm_connector_state *conn_state, |
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u32 output_fmt, |
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unsigned int *num_input_fmts); |
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#endif /* DRM_ATOMIC_HELPER_H_ */
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