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243e398aab
There is a race between AUX CH bring-up and enabling bridge which will cause link training to fail. To avoid hitting it, don't change psr state while enabling the bridge. Cc: Tomeu Vizoso <tomeu.vizoso@collabora.com> Cc: Sean Paul <seanpaul@chromium.org> Signed-off-by: zain wang <wzz@rock-chips.com> Signed-off-by: Caesar Wang <wxt@rock-chips.com> [seanpaul fixed up the commit message a bit and renamed *_supported to *_enabled] 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> Tested-by: Marek Szyprowski <m.szyprowski@samsung.com> Reviewed-by: Archit Taneja <architt@codeaurora.org> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://patchwork.freedesktop.org/patch/msgid/20180309222327.18689-4-enric.balletbo@collabora.com
60 lines
1.7 KiB
C
60 lines
1.7 KiB
C
/*
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* Analogix DP (Display Port) Core interface driver.
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*
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* Copyright (C) 2015 Rockchip Electronics Co., Ltd.
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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 _ANALOGIX_DP_H_
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#define _ANALOGIX_DP_H_
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#include <drm/drm_crtc.h>
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struct analogix_dp_device;
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enum analogix_dp_devtype {
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EXYNOS_DP,
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RK3288_DP,
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RK3399_EDP,
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};
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static inline bool is_rockchip(enum analogix_dp_devtype type)
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{
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return type == RK3288_DP || type == RK3399_EDP;
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}
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struct analogix_dp_plat_data {
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enum analogix_dp_devtype dev_type;
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struct drm_panel *panel;
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struct drm_encoder *encoder;
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struct drm_connector *connector;
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bool skip_connector;
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int (*power_on)(struct analogix_dp_plat_data *);
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int (*power_off)(struct analogix_dp_plat_data *);
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int (*attach)(struct analogix_dp_plat_data *, struct drm_bridge *,
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struct drm_connector *);
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int (*get_modes)(struct analogix_dp_plat_data *,
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struct drm_connector *);
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};
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int analogix_dp_psr_enabled(struct analogix_dp_device *dp);
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int analogix_dp_enable_psr(struct analogix_dp_device *dp);
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int analogix_dp_disable_psr(struct analogix_dp_device *dp);
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int analogix_dp_resume(struct analogix_dp_device *dp);
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int analogix_dp_suspend(struct analogix_dp_device *dp);
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struct analogix_dp_device *
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analogix_dp_bind(struct device *dev, struct drm_device *drm_dev,
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struct analogix_dp_plat_data *plat_data);
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void analogix_dp_unbind(struct analogix_dp_device *dp);
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int analogix_dp_start_crc(struct drm_connector *connector);
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int analogix_dp_stop_crc(struct drm_connector *connector);
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#endif /* _ANALOGIX_DP_H_ */
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