Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
73 lines
2.8 KiB
C
73 lines
2.8 KiB
C
/* SPDX-License-Identifier: MIT */
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/*
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* Copyright © 2020 Intel Corporation
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*/
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#ifndef _INTEL_CRTC_H_
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#define _INTEL_CRTC_H_
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#include <linux/types.h>
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enum i9xx_plane_id;
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enum pipe;
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struct drm_device;
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struct drm_display_mode;
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struct drm_file;
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struct drm_pending_vblank_event;
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struct intel_atomic_state;
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struct intel_crtc;
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struct intel_crtc_state;
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struct intel_display;
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/*
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* FIXME: We should instead only take spinlocks once for the entire update
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* instead of once per mmio.
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*/
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#if IS_ENABLED(CONFIG_PROVE_LOCKING)
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#define VBLANK_EVASION_TIME_US 250
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#else
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#define VBLANK_EVASION_TIME_US 100
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#endif
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int intel_usecs_to_scanlines(const struct drm_display_mode *adjusted_mode,
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int usecs);
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int intel_scanlines_to_usecs(const struct drm_display_mode *adjusted_mode,
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int scanlines);
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void intel_crtc_arm_vblank_event(struct intel_crtc_state *crtc_state);
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void intel_crtc_prepare_vblank_event(struct intel_crtc_state *crtc_state,
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struct drm_pending_vblank_event **event);
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u32 intel_crtc_max_vblank_count(const struct intel_crtc_state *crtc_state);
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int intel_crtc_init(struct intel_display *display, enum pipe pipe);
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int intel_crtc_get_pipe_from_crtc_id_ioctl(struct drm_device *dev, void *data,
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struct drm_file *file_priv);
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struct intel_crtc_state *intel_crtc_state_alloc(struct intel_crtc *crtc);
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void intel_crtc_state_reset(struct intel_crtc_state *crtc_state,
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struct intel_crtc *crtc);
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u32 intel_crtc_get_vblank_counter(struct intel_crtc *crtc);
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void intel_crtc_vblank_on(const struct intel_crtc_state *crtc_state);
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void intel_crtc_vblank_off(const struct intel_crtc_state *crtc_state);
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void intel_pipe_update_start(struct intel_atomic_state *state,
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struct intel_crtc *crtc);
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void intel_pipe_update_end(struct intel_atomic_state *state,
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struct intel_crtc *crtc);
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void intel_wait_for_vblank_workers(struct intel_atomic_state *state);
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struct intel_crtc *intel_first_crtc(struct intel_display *display);
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struct intel_crtc *intel_crtc_for_pipe(struct intel_display *display,
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enum pipe pipe);
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void intel_wait_for_vblank_if_active(struct intel_display *display,
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enum pipe pipe);
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void intel_crtc_wait_for_next_vblank(struct intel_crtc *crtc);
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bool intel_any_crtc_enable_changed(struct intel_atomic_state *state);
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bool intel_crtc_enable_changed(const struct intel_crtc_state *old_crtc_state,
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const struct intel_crtc_state *new_crtc_state);
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bool intel_any_crtc_active_changed(struct intel_atomic_state *state);
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bool intel_crtc_active_changed(const struct intel_crtc_state *old_crtc_state,
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const struct intel_crtc_state *new_crtc_state);
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unsigned int intel_crtc_bw_num_active_planes(const struct intel_crtc_state *crtc_state);
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unsigned int intel_crtc_bw_data_rate(const struct intel_crtc_state *crtc_state);
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int intel_crtc_bw_min_cdclk(const struct intel_crtc_state *crtc_state);
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#endif
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