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81af63a4af
Move the plane clip rectangle handling into drm_atomic_helper_check_plane_state(). Drivers no longer have to worry about such mundane details. v2: Convert armada, rcar, and sun4i as well v3: Resolve simple_kms_helper conflict Cc: Liviu Dudau <liviu.dudau@arm.com> Cc: Brian Starkey <brian.starkey@arm.com> Cc: Mali DP Maintainers <malidp@foss.arm.com> Cc: Daniel Vetter <daniel.vetter@intel.com> Cc: Gustavo Padovan <gustavo@padovan.org> Cc: Sean Paul <seanpaul@chromium.org> Cc: Philipp Zabel <p.zabel@pengutronix.de> Cc: CK Hu <ck.hu@mediatek.com> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Rob Clark <robdclark@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Cc: Sandy Huang <hjc@rock-chips.com> Cc: "Heiko Stübner" <heiko@sntech.de> Cc: Maxime Ripard <maxime.ripard@free-electrons.com> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: VMware Graphics <linux-graphics-maintainer@vmware.com> Cc: Sinclair Yeh <syeh@vmware.com> Cc: Thomas Hellstrom <thellstrom@vmware.com> Cc: Shawn Guo <shawnguo@kernel.org> Cc: Archit Taneja <architt@codeaurora.org> Cc: linux-amlogic@lists.infradead.org Cc: linux-arm-msm@vger.kernel.org Cc: freedreno@lists.freedesktop.org Cc: nouveau@lists.freedesktop.org Cc: linux-renesas-soc@vger.kernel.org Cc: linux-tegra@vger.kernel.org Cc: Russell King <rmk+kernel@armlinux.org.uk> Suggested-by: Daniel Vetter <daniel@ffwll.ch> Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Thierry Reding <treding@nvidia.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> #msm Link: https://patchwork.freedesktop.org/patch/msgid/20180123170857.13818-5-ville.syrjala@linux.intel.com Acked-by: Liviu Dudau <liviu.dudau@arm.com> #hdlcd,malidp Acked-by: Philipp Zabel <p.zabel@pengutronix.de> #imx,mtk Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Sinclair Yeh <syeh@vmware.com> #vmwgfx Acked-by: Neil Armstrong <narmstrong@baylibre.com> #meson Acked-by: Shawn Guo <shawnguo@kernel.org> #zte
265 lines
11 KiB
C
265 lines
11 KiB
C
/*
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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 <robdclark@gmail.com>
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* Daniel Vetter <daniel.vetter@ffwll.ch>
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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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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 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_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_disable_plane(struct drm_plane *plane,
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struct drm_plane_state *plane_state);
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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_set_config(struct drm_mode_set *set,
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struct drm_atomic_state *state);
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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 *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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struct drm_encoder *
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drm_atomic_helper_best_encoder(struct drm_connector *connector);
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/* default implementations for state handling */
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void drm_atomic_helper_crtc_reset(struct drm_crtc *crtc);
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void __drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc,
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struct drm_crtc_state *state);
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struct drm_crtc_state *
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drm_atomic_helper_crtc_duplicate_state(struct drm_crtc *crtc);
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void __drm_atomic_helper_crtc_destroy_state(struct drm_crtc_state *state);
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void drm_atomic_helper_crtc_destroy_state(struct drm_crtc *crtc,
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struct drm_crtc_state *state);
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void drm_atomic_helper_plane_reset(struct drm_plane *plane);
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void __drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane,
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struct drm_plane_state *state);
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struct drm_plane_state *
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drm_atomic_helper_plane_duplicate_state(struct drm_plane *plane);
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void __drm_atomic_helper_plane_destroy_state(struct drm_plane_state *state);
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void drm_atomic_helper_plane_destroy_state(struct drm_plane *plane,
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struct drm_plane_state *state);
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void __drm_atomic_helper_connector_reset(struct drm_connector *connector,
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struct drm_connector_state *conn_state);
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void drm_atomic_helper_connector_reset(struct drm_connector *connector);
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void
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__drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector,
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struct drm_connector_state *state);
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struct drm_connector_state *
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drm_atomic_helper_connector_duplicate_state(struct drm_connector *connector);
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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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void
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__drm_atomic_helper_connector_destroy_state(struct drm_connector_state *state);
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void drm_atomic_helper_connector_destroy_state(struct drm_connector *connector,
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struct drm_connector_state *state);
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int drm_atomic_helper_legacy_gamma_set(struct drm_crtc *crtc,
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u16 *red, u16 *green, u16 *blue,
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uint32_t size,
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struct drm_modeset_acquire_ctx *ctx);
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void __drm_atomic_helper_private_obj_duplicate_state(struct drm_private_obj *obj,
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struct drm_private_state *state);
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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_crtc_atomic_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_crtc_atomic_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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#endif /* DRM_ATOMIC_HELPER_H_ */
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