1 // SPDX-License-Identifier: GPL-2.0-only
3  * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
6 #define pr_fmt(fmt)"[drm-dp] %s: " fmt, __func__
24 	struct dp_link *link;  member
35 	struct dp_debug_private *debug = seq->private;  in dp_debug_show()
41 		return -ENODEV;  in dp_debug_show()
43 	drm_mode = &debug->panel->dp_mode.drm_mode;  in dp_debug_show()
47 			debug->panel->link_info.rate);  in dp_debug_show()
49 			debug->panel->link_info.num_lanes);  in dp_debug_show()
51 			debug->panel->link_info.capabilities);  in dp_debug_show()
52 	seq_printf(seq, "\tdp_panel_info:\n\t\tactive = %dx%d\n",  in dp_debug_show()
53 			drm_mode->hdisplay,  in dp_debug_show()
54 			drm_mode->vdisplay);  in dp_debug_show()
55 	seq_printf(seq, "\t\tback_porch = %dx%d\n",  in dp_debug_show()
56 			drm_mode->htotal - drm_mode->hsync_end,  in dp_debug_show()
57 			drm_mode->vtotal - drm_mode->vsync_end);  in dp_debug_show()
58 	seq_printf(seq, "\t\tfront_porch = %dx%d\n",  in dp_debug_show()
59 			drm_mode->hsync_start - drm_mode->hdisplay,  in dp_debug_show()
60 			drm_mode->vsync_start - drm_mode->vdisplay);  in dp_debug_show()
61 	seq_printf(seq, "\t\tsync_width = %dx%d\n",  in dp_debug_show()
62 			drm_mode->hsync_end - drm_mode->hsync_start,  in dp_debug_show()
63 			drm_mode->vsync_end - drm_mode->vsync_start);  in dp_debug_show()
64 	seq_printf(seq, "\t\tactive_low = %dx%d\n",  in dp_debug_show()
65 			debug->panel->dp_mode.h_active_low,  in dp_debug_show()
66 			debug->panel->dp_mode.v_active_low);  in dp_debug_show()
67 	seq_printf(seq, "\t\th_skew = %d\n",  in dp_debug_show()
68 			drm_mode->hskew);  in dp_debug_show()
69 	seq_printf(seq, "\t\trefresh rate = %d\n",  in dp_debug_show()
71 	seq_printf(seq, "\t\tpixel clock khz = %d\n",  in dp_debug_show()
72 			drm_mode->clock);  in dp_debug_show()
73 	seq_printf(seq, "\t\tbpp = %d\n",  in dp_debug_show()
74 			debug->panel->dp_mode.bpp);  in dp_debug_show()
76 	/* Link Information */  in dp_debug_show()
77 	seq_printf(seq, "\tdp_link:\n\t\ttest_requested = %d\n",  in dp_debug_show()
78 			debug->link->sink_request);  in dp_debug_show()
79 	seq_printf(seq, "\t\tnum_lanes = %d\n",  in dp_debug_show()
80 			debug->link->link_params.num_lanes);  in dp_debug_show()
81 	link_params_rate = debug->link->link_params.rate;  in dp_debug_show()
82 	seq_printf(seq, "\t\tbw_code = %d\n",  in dp_debug_show()
84 	lclk = debug->link->link_params.rate * 1000;  in dp_debug_show()
86 	seq_printf(seq, "\t\tv_level = %d\n",  in dp_debug_show()
87 			debug->link->phy_params.v_level);  in dp_debug_show()
88 	seq_printf(seq, "\t\tp_level = %d\n",  in dp_debug_show()
89 			debug->link->phy_params.p_level);  in dp_debug_show()
97 	const struct dp_debug_private *debug = m->private;  in dp_test_data_show()
98 	const struct drm_connector *connector = debug->connector;  in dp_test_data_show()
101 	if (connector->status == connector_status_connected) {  in dp_test_data_show()
102 		bpc = debug->link->test_video.test_bit_depth;  in dp_test_data_show()
103 		seq_printf(m, "hdisplay: %d\n",  in dp_test_data_show()
104 				debug->link->test_video.test_h_width);  in dp_test_data_show()
105 		seq_printf(m, "vdisplay: %d\n",  in dp_test_data_show()
106 				debug->link->test_video.test_v_height);  in dp_test_data_show()
119 	const struct dp_debug_private *debug = m->private;  in dp_test_type_show()
120 	const struct drm_connector *connector = debug->connector;  in dp_test_type_show()
122 	if (connector->status == connector_status_connected)  in dp_test_type_show()
141 	debug = ((struct seq_file *)file->private_data)->private;  in dp_test_active_write()
142 	connector = debug->connector;  in dp_test_active_write()
151 	DRM_DEBUG_DRIVER("Copied %d bytes from user\n", (unsigned int)len);  in dp_test_active_write()
153 	if (connector->status == connector_status_connected) {  in dp_test_active_write()
159 		DRM_DEBUG_DRIVER("Got %d for test active\n", val);  in dp_test_active_write()
164 			debug->panel->video_test = true;  in dp_test_active_write()
166 			debug->panel->video_test = false;  in dp_test_active_write()
176 	struct dp_debug_private *debug = m->private;  in dp_test_active_show()
177 	struct drm_connector *connector = debug->connector;  in dp_test_active_show()
179 	if (connector->status == connector_status_connected) {  in dp_test_active_show()
180 		if (debug->panel->video_test)  in dp_test_active_show()
195 			inode->i_private);  in dp_test_active_open()
213 	snprintf(path, sizeof(path), "msm_dp-%s", debug->connector->name);  in dp_debug_init()
215 	debug->root = debugfs_create_dir(path, minor->debugfs_root);  in dp_debug_init()
217 	debugfs_create_file("dp_debug", 0444, debug->root,  in dp_debug_init()
221 			debug->root,  in dp_debug_init()
225 			debug->root,  in dp_debug_init()
229 			debug->root,  in dp_debug_init()
234 		struct dp_link *link,  in dp_debug_get()  argument
241 	if (!dev || !panel || !link) {  in dp_debug_get()
243 		rc = -EINVAL;  in dp_debug_get()
249 		rc = -ENOMEM;  in dp_debug_get()
253 	debug->dp_debug.debug_en = false;  in dp_debug_get()
254 	debug->link = link;  in dp_debug_get()
255 	debug->panel = panel;  in dp_debug_get()
256 	debug->dev = dev;  in dp_debug_get()
257 	debug->drm_dev = minor->dev;  in dp_debug_get()
258 	debug->connector = connector;  in dp_debug_get()
260 	dp_debug = &debug->dp_debug;  in dp_debug_get()
261 	dp_debug->vdisplay = 0;  in dp_debug_get()
262 	dp_debug->hdisplay = 0;  in dp_debug_get()
263 	dp_debug->vrefresh = 0;  in dp_debug_get()
277 		return -EINVAL;  in dp_debug_deinit()
281 	debugfs_remove_recursive(debug->root);  in dp_debug_deinit()
297 	devm_kfree(debug->dev, debug);  in dp_debug_put()