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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_debugfs.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_debugfs.c263
1 files changed, 263 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_debugfs.c b/drivers/gpu/drm/i915/i915_gem_debugfs.c
new file mode 100644
index 00000000000..a1ac0c5e730
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gem_debugfs.c
@@ -0,0 +1,263 @@
1/*
2 * Copyright © 2008 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 * Keith Packard <keithp@keithp.com>
26 *
27 */
28
29#include <linux/seq_file.h>
30#include "drmP.h"
31#include "drm.h"
32#include "i915_drm.h"
33#include "i915_drv.h"
34
35#define DRM_I915_RING_DEBUG 1
36
37
38#if defined(CONFIG_DEBUG_FS)
39
40#define ACTIVE_LIST 1
41#define FLUSHING_LIST 2
42#define INACTIVE_LIST 3
43
44static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
45{
46 if (obj_priv->user_pin_count > 0)
47 return "P";
48 else if (obj_priv->pin_count > 0)
49 return "p";
50 else
51 return " ";
52}
53
54static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
55{
56 switch (obj_priv->tiling_mode) {
57 default:
58 case I915_TILING_NONE: return " ";
59 case I915_TILING_X: return "X";
60 case I915_TILING_Y: return "Y";
61 }
62}
63
64static int i915_gem_object_list_info(struct seq_file *m, void *data)
65{
66 struct drm_info_node *node = (struct drm_info_node *) m->private;
67 uintptr_t list = (uintptr_t) node->info_ent->data;
68 struct list_head *head;
69 struct drm_device *dev = node->minor->dev;
70 drm_i915_private_t *dev_priv = dev->dev_private;
71 struct drm_i915_gem_object *obj_priv;
72 spinlock_t *lock = NULL;
73
74 switch (list) {
75 case ACTIVE_LIST:
76 seq_printf(m, "Active:\n");
77 lock = &dev_priv->mm.active_list_lock;
78 spin_lock(lock);
79 head = &dev_priv->mm.active_list;
80 break;
81 case INACTIVE_LIST:
82 seq_printf(m, "Inctive:\n");
83 head = &dev_priv->mm.inactive_list;
84 break;
85 case FLUSHING_LIST:
86 seq_printf(m, "Flushing:\n");
87 head = &dev_priv->mm.flushing_list;
88 break;
89 default:
90 DRM_INFO("Ooops, unexpected list\n");
91 return 0;
92 }
93
94 list_for_each_entry(obj_priv, head, list)
95 {
96 struct drm_gem_object *obj = obj_priv->obj;
97
98 seq_printf(m, " %p: %s %08x %08x %d",
99 obj,
100 get_pin_flag(obj_priv),
101 obj->read_domains, obj->write_domain,
102 obj_priv->last_rendering_seqno);
103
104 if (obj->name)
105 seq_printf(m, " (name: %d)", obj->name);
106 if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
107 seq_printf(m, " (fence: %d\n", obj_priv->fence_reg);
108 seq_printf(m, "\n");
109 }
110
111 if (lock)
112 spin_unlock(lock);
113 return 0;
114}
115
116static int i915_gem_request_info(struct seq_file *m, void *data)
117{
118 struct drm_info_node *node = (struct drm_info_node *) m->private;
119 struct drm_device *dev = node->minor->dev;
120 drm_i915_private_t *dev_priv = dev->dev_private;
121 struct drm_i915_gem_request *gem_request;
122
123 seq_printf(m, "Request:\n");
124 list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) {
125 seq_printf(m, " %d @ %d\n",
126 gem_request->seqno,
127 (int) (jiffies - gem_request->emitted_jiffies));
128 }
129 return 0;
130}
131
132static int i915_gem_seqno_info(struct seq_file *m, void *data)
133{
134 struct drm_info_node *node = (struct drm_info_node *) m->private;
135 struct drm_device *dev = node->minor->dev;
136 drm_i915_private_t *dev_priv = dev->dev_private;
137
138 if (dev_priv->hw_status_page != NULL) {
139 seq_printf(m, "Current sequence: %d\n",
140 i915_get_gem_seqno(dev));
141 } else {
142 seq_printf(m, "Current sequence: hws uninitialized\n");
143 }
144 seq_printf(m, "Waiter sequence: %d\n",
145 dev_priv->mm.waiting_gem_seqno);
146 seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
147 return 0;
148}
149
150
151static int i915_interrupt_info(struct seq_file *m, void *data)
152{
153 struct drm_info_node *node = (struct drm_info_node *) m->private;
154 struct drm_device *dev = node->minor->dev;
155 drm_i915_private_t *dev_priv = dev->dev_private;
156
157 seq_printf(m, "Interrupt enable: %08x\n",
158 I915_READ(IER));
159 seq_printf(m, "Interrupt identity: %08x\n",
160 I915_READ(IIR));
161 seq_printf(m, "Interrupt mask: %08x\n",
162 I915_READ(IMR));
163 seq_printf(m, "Pipe A stat: %08x\n",
164 I915_READ(PIPEASTAT));
165 seq_printf(m, "Pipe B stat: %08x\n",
166 I915_READ(PIPEBSTAT));
167 seq_printf(m, "Interrupts received: %d\n",
168 atomic_read(&dev_priv->irq_received));
169 if (dev_priv->hw_status_page != NULL) {
170 seq_printf(m, "Current sequence: %d\n",
171 i915_get_gem_seqno(dev));
172 } else {
173 seq_printf(m, "Current sequence: hws uninitialized\n");
174 }
175 seq_printf(m, "Waiter sequence: %d\n",
176 dev_priv->mm.waiting_gem_seqno);
177 seq_printf(m, "IRQ sequence: %d\n",
178 dev_priv->mm.irq_gem_seqno);
179 return 0;
180}
181
182static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
183{
184 struct drm_info_node *node = (struct drm_info_node *) m->private;
185 struct drm_device *dev = node->minor->dev;
186 drm_i915_private_t *dev_priv = dev->dev_private;
187 int i;
188
189 seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
190 seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
191 for (i = 0; i < dev_priv->num_fence_regs; i++) {
192 struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
193
194 if (obj == NULL) {
195 seq_printf(m, "Fenced object[%2d] = unused\n", i);
196 } else {
197 struct drm_i915_gem_object *obj_priv;
198
199 obj_priv = obj->driver_private;
200 seq_printf(m, "Fenced object[%2d] = %p: %s "
201 "%08x %08zx %08x %s %08x %08x %d",
202 i, obj, get_pin_flag(obj_priv),
203 obj_priv->gtt_offset,
204 obj->size, obj_priv->stride,
205 get_tiling_flag(obj_priv),
206 obj->read_domains, obj->write_domain,
207 obj_priv->last_rendering_seqno);
208 if (obj->name)
209 seq_printf(m, " (name: %d)", obj->name);
210 seq_printf(m, "\n");
211 }
212 }
213
214 return 0;
215}
216
217static int i915_hws_info(struct seq_file *m, void *data)
218{
219 struct drm_info_node *node = (struct drm_info_node *) m->private;
220 struct drm_device *dev = node->minor->dev;
221 drm_i915_private_t *dev_priv = dev->dev_private;
222 int i;
223 volatile u32 *hws;
224
225 hws = (volatile u32 *)dev_priv->hw_status_page;
226 if (hws == NULL)
227 return 0;
228
229 for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
230 seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
231 i * 4,
232 hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
233 }
234 return 0;
235}
236
237static struct drm_info_list i915_gem_debugfs_list[] = {
238 {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
239 {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
240 {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
241 {"i915_gem_request", i915_gem_request_info, 0},
242 {"i915_gem_seqno", i915_gem_seqno_info, 0},
243 {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
244 {"i915_gem_interrupt", i915_interrupt_info, 0},
245 {"i915_gem_hws", i915_hws_info, 0},
246};
247#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list)
248
249int i915_gem_debugfs_init(struct drm_minor *minor)
250{
251 return drm_debugfs_create_files(i915_gem_debugfs_list,
252 I915_GEM_DEBUGFS_ENTRIES,
253 minor->debugfs_root, minor);
254}
255
256void i915_gem_debugfs_cleanup(struct drm_minor *minor)
257{
258 drm_debugfs_remove_files(i915_gem_debugfs_list,
259 I915_GEM_DEBUGFS_ENTRIES, minor);
260}
261
262#endif /* CONFIG_DEBUG_FS */
263
generated by cgit v1.2.2 (git 2.25.0) at 2025-03-11 00:21:33 -0400