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>
57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/* SPDX-License-Identifier: GPL-2.0+ */
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#ifndef _DRM_VBLANK_HELPER_H_
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#define _DRM_VBLANK_HELPER_H_
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#include <linux/hrtimer_types.h>
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#include <linux/types.h>
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struct drm_atomic_state;
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struct drm_crtc;
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/*
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* VBLANK helpers
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*/
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void drm_crtc_vblank_atomic_flush(struct drm_crtc *crtc,
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struct drm_atomic_state *state);
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void drm_crtc_vblank_atomic_enable(struct drm_crtc *crtc,
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struct drm_atomic_state *state);
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void drm_crtc_vblank_atomic_disable(struct drm_crtc *crtc,
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struct drm_atomic_state *crtc_state);
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/**
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* DRM_CRTC_HELPER_VBLANK_FUNCS - Default implementation for VBLANK helpers
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*
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* This macro initializes struct &drm_crtc_helper_funcs to default helpers
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* for VBLANK handling.
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*/
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#define DRM_CRTC_HELPER_VBLANK_FUNCS \
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.atomic_flush = drm_crtc_vblank_atomic_flush, \
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.atomic_enable = drm_crtc_vblank_atomic_enable, \
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.atomic_disable = drm_crtc_vblank_atomic_disable
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/*
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* VBLANK timer
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*/
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int drm_crtc_vblank_helper_enable_vblank_timer(struct drm_crtc *crtc);
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void drm_crtc_vblank_helper_disable_vblank_timer(struct drm_crtc *crtc);
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bool drm_crtc_vblank_helper_get_vblank_timestamp_from_timer(struct drm_crtc *crtc,
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int *max_error,
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ktime_t *vblank_time,
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bool in_vblank_irq);
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/**
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* DRM_CRTC_VBLANK_TIMER_FUNCS - Default implementation for VBLANK timers
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*
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* This macro initializes struct &drm_crtc_funcs to default helpers for
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* VBLANK timers.
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*/
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#define DRM_CRTC_VBLANK_TIMER_FUNCS \
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.enable_vblank = drm_crtc_vblank_helper_enable_vblank_timer, \
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.disable_vblank = drm_crtc_vblank_helper_disable_vblank_timer, \
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.get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp_from_timer
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#endif
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