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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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c4533665d8
Add infrastructure to wait for all planes updates to finish by using an atomic_t variable to track how many pending updates we are waiting plus a wait_queue for the wait part. It also changes vblank behaviour and keeps it enabled for all types of updates Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk> Signed-off-by: Inki Dae <inki.dae@samsung.com>
45 lines
1.6 KiB
C
45 lines
1.6 KiB
C
/* exynos_drm_crtc.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* Authors:
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* Inki Dae <inki.dae@samsung.com>
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* Joonyoung Shim <jy0922.shim@samsung.com>
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* Seung-Woo Kim <sw0312.kim@samsung.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*/
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#ifndef _EXYNOS_DRM_CRTC_H_
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#define _EXYNOS_DRM_CRTC_H_
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#include "exynos_drm_drv.h"
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struct exynos_drm_crtc *exynos_drm_crtc_create(struct drm_device *drm_dev,
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struct drm_plane *plane,
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int pipe,
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enum exynos_drm_output_type type,
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const struct exynos_drm_crtc_ops *ops,
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void *context);
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int exynos_drm_crtc_enable_vblank(struct drm_device *dev, int pipe);
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void exynos_drm_crtc_disable_vblank(struct drm_device *dev, int pipe);
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void exynos_drm_crtc_wait_pending_update(struct exynos_drm_crtc *exynos_crtc);
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void exynos_drm_crtc_finish_update(struct exynos_drm_crtc *exynos_crtc,
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struct exynos_drm_plane *exynos_plane);
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void exynos_drm_crtc_complete_scanout(struct drm_framebuffer *fb);
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/* This function gets pipe value to crtc device matched with out_type. */
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int exynos_drm_crtc_get_pipe_from_type(struct drm_device *drm_dev,
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enum exynos_drm_output_type out_type);
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/*
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* This function calls the crtc device(manager)'s te_handler() callback
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* to trigger to transfer video image at the tearing effect synchronization
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* signal.
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*/
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void exynos_drm_crtc_te_handler(struct drm_crtc *crtc);
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#endif
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