linux-zen-server/drivers/gpu/drm/msm/dp/dp_debug.h

75 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
*/
#ifndef _DP_DEBUG_H_
#define _DP_DEBUG_H_
#include "dp_panel.h"
#include "dp_link.h"
/**
* struct dp_debug
* @debug_en: specifies whether debug mode enabled
* @vdisplay: used to filter out vdisplay value
* @hdisplay: used to filter out hdisplay value
* @vrefresh: used to filter out vrefresh value
* @tpg_state: specifies whether tpg feature is enabled
*/
struct dp_debug {
bool debug_en;
int aspect_ratio;
int vdisplay;
int hdisplay;
int vrefresh;
};
#if defined(CONFIG_DEBUG_FS)
/**
* dp_debug_get() - configure and get the DisplayPlot debug module data
*
* @dev: device instance of the caller
* @panel: instance of panel module
* @usbpd: instance of usbpd module
* @link: instance of link module
* @connector: double pointer to display connector
* @minor: pointer to drm minor number after device registration
* return: pointer to allocated debug module data
*
* This function sets up the debug module and provides a way
* for debugfs input to be communicated with existing modules
*/
struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
struct dp_usbpd *usbpd, struct dp_link *link,
struct drm_connector *connector,
struct drm_minor *minor);
/**
* dp_debug_put()
*
* Cleans up dp_debug instance
*
* @dp_debug: instance of dp_debug
*/
void dp_debug_put(struct dp_debug *dp_debug);
#else
static inline
struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
struct dp_usbpd *usbpd, struct dp_link *link,
struct drm_connector *connector, struct drm_minor *minor)
{
return ERR_PTR(-EINVAL);
}
static inline void dp_debug_put(struct dp_debug *dp_debug)
{
}
#endif /* defined(CONFIG_DEBUG_FS) */
#endif /* _DP_DEBUG_H_ */