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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_debugfs.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_debugfs.c178
1 files changed, 178 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_debugfs.c b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
new file mode 100644
index 000000000000..a251886a0ce6
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_debugfs.c
@@ -0,0 +1,178 @@
1/*
2 * Copyright (C) 2009 Red Hat <bskeggs@redhat.com>
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial
14 * portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
19 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
20 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
21 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
22 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
23 *
24 */
25
26/*
27 * Authors:
28 * Ben Skeggs <bskeggs@redhat.com>
29 */
30
31#include <linux/debugfs.h>
32
33#include "drmP.h"
34#include "nouveau_drv.h"
35
36static int
37nouveau_debugfs_channel_info(struct seq_file *m, void *data)
38{
39 struct drm_info_node *node = (struct drm_info_node *) m->private;
40 struct nouveau_channel *chan = node->info_ent->data;
41
42 seq_printf(m, "channel id : %d\n", chan->id);
43
44 seq_printf(m, "cpu fifo state:\n");
45 seq_printf(m, " base: 0x%08x\n", chan->pushbuf_base);
46 seq_printf(m, " max: 0x%08x\n", chan->dma.max << 2);
47 seq_printf(m, " cur: 0x%08x\n", chan->dma.cur << 2);
48 seq_printf(m, " put: 0x%08x\n", chan->dma.put << 2);
49 seq_printf(m, " free: 0x%08x\n", chan->dma.free << 2);
50 if (chan->dma.ib_max) {
51 seq_printf(m, " ib max: 0x%08x\n", chan->dma.ib_max);
52 seq_printf(m, " ib put: 0x%08x\n", chan->dma.ib_put);
53 seq_printf(m, " ib free: 0x%08x\n", chan->dma.ib_free);
54 }
55
56 seq_printf(m, "gpu fifo state:\n");
57 seq_printf(m, " get: 0x%08x\n",
58 nvchan_rd32(chan, chan->user_get));
59 seq_printf(m, " put: 0x%08x\n",
60 nvchan_rd32(chan, chan->user_put));
61 if (chan->dma.ib_max) {
62 seq_printf(m, " ib get: 0x%08x\n",
63 nvchan_rd32(chan, 0x88));
64 seq_printf(m, " ib put: 0x%08x\n",
65 nvchan_rd32(chan, 0x8c));
66 }
67
68 seq_printf(m, "last fence : %d\n", chan->fence.sequence);
69 seq_printf(m, "last signalled: %d\n", chan->fence.sequence_ack);
70 return 0;
71}
72
73int
74nouveau_debugfs_channel_init(struct nouveau_channel *chan)
75{
76 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
77 struct drm_minor *minor = chan->dev->primary;
78 int ret;
79
80 if (!dev_priv->debugfs.channel_root) {
81 dev_priv->debugfs.channel_root =
82 debugfs_create_dir("channel", minor->debugfs_root);
83 if (!dev_priv->debugfs.channel_root)
84 return -ENOENT;
85 }
86
87 snprintf(chan->debugfs.name, 32, "%d", chan->id);
88 chan->debugfs.info.name = chan->debugfs.name;
89 chan->debugfs.info.show = nouveau_debugfs_channel_info;
90 chan->debugfs.info.driver_features = 0;
91 chan->debugfs.info.data = chan;
92
93 ret = drm_debugfs_create_files(&chan->debugfs.info, 1,
94 dev_priv->debugfs.channel_root,
95 chan->dev->primary);
96 if (ret == 0)
97 chan->debugfs.active = true;
98 return ret;
99}
100
101void
102nouveau_debugfs_channel_fini(struct nouveau_channel *chan)
103{
104 struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
105
106 if (!chan->debugfs.active)
107 return;
108
109 drm_debugfs_remove_files(&chan->debugfs.info, 1, chan->dev->primary);
110 chan->debugfs.active = false;
111
112 if (chan == dev_priv->channel) {
113 debugfs_remove(dev_priv->debugfs.channel_root);
114 dev_priv->debugfs.channel_root = NULL;
115 }
116}
117
118static int
119nouveau_debugfs_chipset_info(struct seq_file *m, void *data)
120{
121 struct drm_info_node *node = (struct drm_info_node *) m->private;
122 struct drm_minor *minor = node->minor;
123 struct drm_device *dev = minor->dev;
124 struct drm_nouveau_private *dev_priv = dev->dev_private;
125 uint32_t ppci_0;
126
127 ppci_0 = nv_rd32(dev, dev_priv->chipset >= 0x40 ? 0x88000 : 0x1800);
128
129 seq_printf(m, "PMC_BOOT_0: 0x%08x\n", nv_rd32(dev, NV03_PMC_BOOT_0));
130 seq_printf(m, "PCI ID : 0x%04x:0x%04x\n",
131 ppci_0 & 0xffff, ppci_0 >> 16);
132 return 0;
133}
134
135static int
136nouveau_debugfs_memory_info(struct seq_file *m, void *data)
137{
138 struct drm_info_node *node = (struct drm_info_node *) m->private;
139 struct drm_minor *minor = node->minor;
140 struct drm_nouveau_private *dev_priv = minor->dev->dev_private;
141
142 seq_printf(m, "VRAM total: %dKiB\n", (int)(dev_priv->vram_size >> 10));
143 return 0;
144}
145
146static int
147nouveau_debugfs_vbios_image(struct seq_file *m, void *data)
148{
149 struct drm_info_node *node = (struct drm_info_node *) m->private;
150 struct drm_nouveau_private *dev_priv = node->minor->dev->dev_private;
151 int i;
152
153 for (i = 0; i < dev_priv->vbios.length; i++)
154 seq_printf(m, "%c", dev_priv->vbios.data[i]);
155 return 0;
156}
157
158static struct drm_info_list nouveau_debugfs_list[] = {
159 { "chipset", nouveau_debugfs_chipset_info, 0, NULL },
160 { "memory", nouveau_debugfs_memory_info, 0, NULL },
161 { "vbios.rom", nouveau_debugfs_vbios_image, 0, NULL },
162};
163#define NOUVEAU_DEBUGFS_ENTRIES ARRAY_SIZE(nouveau_debugfs_list)
164
165int
166nouveau_debugfs_init(struct drm_minor *minor)
167{
168 drm_debugfs_create_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
169 minor->debugfs_root, minor);
170 return 0;
171}
172
173void
174nouveau_debugfs_takedown(struct drm_minor *minor)
175{
176 drm_debugfs_remove_files(nouveau_debugfs_list, NOUVEAU_DEBUGFS_ENTRIES,
177 minor);
178}
generated by cgit v1.2.2 (git 2.25.0) at 2025-07-24 09:41:10 -0400