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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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60beeccc72
Instead of using timer and spinlocks, use delayed_work and mutexes for rockchip psr. This allows us to make blocking calls when enabling/disabling psr (which is sort of important given we're talking over dpcd to the display). Cc: Caesar Wang <wxt@rock-chips.com> Cc: 征增 王 <wzz@rock-chips.com> Cc: Stéphane Marchesin <marcheu@chromium.org> Signed-off-by: Sean Paul <seanpaul@chromium.org> Signed-off-by: Thierry Escande <thierry.escande@collabora.com> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20180305222324.5872-3-enric.balletbo@collabora.com
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
/*
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* Copyright (C) Fuzhou Rockchip Electronics Co.Ltd
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* Author:Mark Yao <mark.yao@rock-chips.com>
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*
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* based on exynos_drm_drv.h
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef _ROCKCHIP_DRM_DRV_H
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#define _ROCKCHIP_DRM_DRV_H
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#include <drm/drm_fb_helper.h>
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#include <drm/drm_atomic_helper.h>
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#include <drm/drm_gem.h>
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#include <linux/module.h>
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#include <linux/component.h>
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#define ROCKCHIP_MAX_FB_BUFFER 3
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#define ROCKCHIP_MAX_CONNECTOR 2
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#define ROCKCHIP_MAX_CRTC 2
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struct drm_device;
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struct drm_connector;
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struct iommu_domain;
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struct rockchip_crtc_state {
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struct drm_crtc_state base;
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int output_type;
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int output_mode;
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};
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#define to_rockchip_crtc_state(s) \
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container_of(s, struct rockchip_crtc_state, base)
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/*
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* Rockchip drm private structure.
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*
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* @crtc: array of enabled CRTCs, used to map from "pipe" to drm_crtc.
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* @num_pipe: number of pipes for this device.
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* @mm_lock: protect drm_mm on multi-threads.
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*/
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struct rockchip_drm_private {
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struct drm_fb_helper fbdev_helper;
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struct drm_gem_object *fbdev_bo;
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struct drm_atomic_state *state;
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struct iommu_domain *domain;
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struct mutex mm_lock;
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struct drm_mm mm;
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struct list_head psr_list;
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struct mutex psr_list_lock;
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};
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int rockchip_drm_dma_attach_device(struct drm_device *drm_dev,
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struct device *dev);
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void rockchip_drm_dma_detach_device(struct drm_device *drm_dev,
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struct device *dev);
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int rockchip_drm_wait_vact_end(struct drm_crtc *crtc, unsigned int mstimeout);
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extern struct platform_driver cdn_dp_driver;
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extern struct platform_driver dw_hdmi_rockchip_pltfm_driver;
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extern struct platform_driver dw_mipi_dsi_driver;
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extern struct platform_driver inno_hdmi_driver;
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extern struct platform_driver rockchip_dp_driver;
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extern struct platform_driver rockchip_lvds_driver;
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extern struct platform_driver vop_platform_driver;
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#endif /* _ROCKCHIP_DRM_DRV_H_ */
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