cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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dp_debug.h (1834B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
      4 */
      5
      6#ifndef _DP_DEBUG_H_
      7#define _DP_DEBUG_H_
      8
      9#include "dp_panel.h"
     10#include "dp_link.h"
     11
     12/**
     13 * struct dp_debug
     14 * @debug_en: specifies whether debug mode enabled
     15 * @vdisplay: used to filter out vdisplay value
     16 * @hdisplay: used to filter out hdisplay value
     17 * @vrefresh: used to filter out vrefresh value
     18 * @tpg_state: specifies whether tpg feature is enabled
     19 */
     20struct dp_debug {
     21	bool debug_en;
     22	int aspect_ratio;
     23	int vdisplay;
     24	int hdisplay;
     25	int vrefresh;
     26};
     27
     28#if defined(CONFIG_DEBUG_FS)
     29
     30/**
     31 * dp_debug_get() - configure and get the DisplayPlot debug module data
     32 *
     33 * @dev: device instance of the caller
     34 * @panel: instance of panel module
     35 * @usbpd: instance of usbpd module
     36 * @link: instance of link module
     37 * @connector: double pointer to display connector
     38 * @minor: pointer to drm minor number after device registration
     39 * return: pointer to allocated debug module data
     40 *
     41 * This function sets up the debug module and provides a way
     42 * for debugfs input to be communicated with existing modules
     43 */
     44struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
     45		struct dp_usbpd *usbpd, struct dp_link *link,
     46		struct drm_connector *connector,
     47		struct drm_minor *minor);
     48
     49/**
     50 * dp_debug_put()
     51 *
     52 * Cleans up dp_debug instance
     53 *
     54 * @dp_debug: instance of dp_debug
     55 */
     56void dp_debug_put(struct dp_debug *dp_debug);
     57
     58#else
     59
     60static inline
     61struct dp_debug *dp_debug_get(struct device *dev, struct dp_panel *panel,
     62		struct dp_usbpd *usbpd, struct dp_link *link,
     63		struct drm_connector *connector, struct drm_minor *minor)
     64{
     65	return ERR_PTR(-EINVAL);
     66}
     67
     68static inline void dp_debug_put(struct dp_debug *dp_debug)
     69{
     70}
     71
     72#endif /* defined(CONFIG_DEBUG_FS) */
     73
     74#endif /* _DP_DEBUG_H_ */