diff options
Diffstat (limited to 'drivers/char/drm/drm_stub.c')
-rw-r--r-- | drivers/char/drm/drm_stub.c | 112 |
1 files changed, 59 insertions, 53 deletions
diff --git a/drivers/char/drm/drm_stub.c b/drivers/char/drm/drm_stub.c index 70458cb061c6..60b6f8e8bf69 100644 --- a/drivers/char/drm/drm_stub.c +++ b/drivers/char/drm/drm_stub.c | |||
@@ -37,11 +37,11 @@ | |||
37 | #include "drm_core.h" | 37 | #include "drm_core.h" |
38 | 38 | ||
39 | unsigned int drm_cards_limit = 16; /* Enough for one machine */ | 39 | unsigned int drm_cards_limit = 16; /* Enough for one machine */ |
40 | unsigned int drm_debug = 0; /* 1 to enable debug output */ | 40 | unsigned int drm_debug = 0; /* 1 to enable debug output */ |
41 | EXPORT_SYMBOL(drm_debug); | 41 | EXPORT_SYMBOL(drm_debug); |
42 | 42 | ||
43 | MODULE_AUTHOR( CORE_AUTHOR ); | 43 | MODULE_AUTHOR(CORE_AUTHOR); |
44 | MODULE_DESCRIPTION( CORE_DESC ); | 44 | MODULE_DESCRIPTION(CORE_DESC); |
45 | MODULE_LICENSE("GPL and additional rights"); | 45 | MODULE_LICENSE("GPL and additional rights"); |
46 | MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards"); | 46 | MODULE_PARM_DESC(cards_limit, "Maximum number of graphics cards"); |
47 | MODULE_PARM_DESC(debug, "Enable debug output"); | 47 | MODULE_PARM_DESC(debug, "Enable debug output"); |
@@ -53,19 +53,21 @@ drm_head_t **drm_heads; | |||
53 | struct drm_sysfs_class *drm_class; | 53 | struct drm_sysfs_class *drm_class; |
54 | struct proc_dir_entry *drm_proc_root; | 54 | struct proc_dir_entry *drm_proc_root; |
55 | 55 | ||
56 | static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct pci_device_id *ent, struct drm_driver *driver) | 56 | static int drm_fill_in_dev(drm_device_t * dev, struct pci_dev *pdev, |
57 | const struct pci_device_id *ent, | ||
58 | struct drm_driver *driver) | ||
57 | { | 59 | { |
58 | int retcode; | 60 | int retcode; |
59 | 61 | ||
60 | spin_lock_init(&dev->count_lock); | 62 | spin_lock_init(&dev->count_lock); |
61 | init_timer( &dev->timer ); | 63 | init_timer(&dev->timer); |
62 | sema_init( &dev->struct_sem, 1 ); | 64 | sema_init(&dev->struct_sem, 1); |
63 | sema_init( &dev->ctxlist_sem, 1 ); | 65 | sema_init(&dev->ctxlist_sem, 1); |
64 | 66 | ||
65 | dev->pdev = pdev; | 67 | dev->pdev = pdev; |
66 | 68 | ||
67 | #ifdef __alpha__ | 69 | #ifdef __alpha__ |
68 | dev->hose = pdev->sysdata; | 70 | dev->hose = pdev->sysdata; |
69 | dev->pci_domain = dev->hose->bus->number; | 71 | dev->pci_domain = dev->hose->bus->number; |
70 | #else | 72 | #else |
71 | dev->pci_domain = 0; | 73 | dev->pci_domain = 0; |
@@ -82,15 +84,15 @@ static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct | |||
82 | 84 | ||
83 | /* the DRM has 6 basic counters */ | 85 | /* the DRM has 6 basic counters */ |
84 | dev->counters = 6; | 86 | dev->counters = 6; |
85 | dev->types[0] = _DRM_STAT_LOCK; | 87 | dev->types[0] = _DRM_STAT_LOCK; |
86 | dev->types[1] = _DRM_STAT_OPENS; | 88 | dev->types[1] = _DRM_STAT_OPENS; |
87 | dev->types[2] = _DRM_STAT_CLOSES; | 89 | dev->types[2] = _DRM_STAT_CLOSES; |
88 | dev->types[3] = _DRM_STAT_IOCTLS; | 90 | dev->types[3] = _DRM_STAT_IOCTLS; |
89 | dev->types[4] = _DRM_STAT_LOCKS; | 91 | dev->types[4] = _DRM_STAT_LOCKS; |
90 | dev->types[5] = _DRM_STAT_UNLOCKS; | 92 | dev->types[5] = _DRM_STAT_UNLOCKS; |
91 | 93 | ||
92 | dev->driver = driver; | 94 | dev->driver = driver; |
93 | 95 | ||
94 | if (dev->driver->preinit) | 96 | if (dev->driver->preinit) |
95 | if ((retcode = dev->driver->preinit(dev, ent->driver_data))) | 97 | if ((retcode = dev->driver->preinit(dev, ent->driver_data))) |
96 | goto error_out_unreg; | 98 | goto error_out_unreg; |
@@ -98,29 +100,30 @@ static int drm_fill_in_dev(drm_device_t *dev, struct pci_dev *pdev, const struct | |||
98 | if (drm_core_has_AGP(dev)) { | 100 | if (drm_core_has_AGP(dev)) { |
99 | if (drm_device_is_agp(dev)) | 101 | if (drm_device_is_agp(dev)) |
100 | dev->agp = drm_agp_init(dev); | 102 | dev->agp = drm_agp_init(dev); |
101 | if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) && (dev->agp == NULL)) { | 103 | if (drm_core_check_feature(dev, DRIVER_REQUIRE_AGP) |
102 | DRM_ERROR( "Cannot initialize the agpgart module.\n" ); | 104 | && (dev->agp == NULL)) { |
105 | DRM_ERROR("Cannot initialize the agpgart module.\n"); | ||
103 | retcode = -EINVAL; | 106 | retcode = -EINVAL; |
104 | goto error_out_unreg; | 107 | goto error_out_unreg; |
105 | } | 108 | } |
106 | if (drm_core_has_MTRR(dev)) { | 109 | if (drm_core_has_MTRR(dev)) { |
107 | if (dev->agp) | 110 | if (dev->agp) |
108 | dev->agp->agp_mtrr = mtrr_add( dev->agp->agp_info.aper_base, | 111 | dev->agp->agp_mtrr = |
109 | dev->agp->agp_info.aper_size*1024*1024, | 112 | mtrr_add(dev->agp->agp_info.aper_base, |
110 | MTRR_TYPE_WRCOMB, | 113 | dev->agp->agp_info.aper_size * |
111 | 1 ); | 114 | 1024 * 1024, MTRR_TYPE_WRCOMB, 1); |
112 | } | 115 | } |
113 | } | 116 | } |
114 | 117 | ||
115 | retcode = drm_ctxbitmap_init( dev ); | 118 | retcode = drm_ctxbitmap_init(dev); |
116 | if( retcode ) { | 119 | if (retcode) { |
117 | DRM_ERROR( "Cannot allocate memory for context bitmap.\n" ); | 120 | DRM_ERROR("Cannot allocate memory for context bitmap.\n"); |
118 | goto error_out_unreg; | 121 | goto error_out_unreg; |
119 | } | 122 | } |
120 | 123 | ||
121 | return 0; | 124 | return 0; |
122 | 125 | ||
123 | error_out_unreg: | 126 | error_out_unreg: |
124 | drm_takedown(dev); | 127 | drm_takedown(dev); |
125 | return retcode; | 128 | return retcode; |
126 | } | 129 | } |
@@ -140,7 +143,7 @@ int drm_stub_open(struct inode *inode, struct file *filp) | |||
140 | int minor = iminor(inode); | 143 | int minor = iminor(inode); |
141 | int err = -ENODEV; | 144 | int err = -ENODEV; |
142 | struct file_operations *old_fops; | 145 | struct file_operations *old_fops; |
143 | 146 | ||
144 | DRM_DEBUG("\n"); | 147 | DRM_DEBUG("\n"); |
145 | 148 | ||
146 | if (!((minor >= 0) && (minor < drm_cards_limit))) | 149 | if (!((minor >= 0) && (minor < drm_cards_limit))) |
@@ -148,7 +151,7 @@ int drm_stub_open(struct inode *inode, struct file *filp) | |||
148 | 151 | ||
149 | if (!drm_heads[minor]) | 152 | if (!drm_heads[minor]) |
150 | return -ENODEV; | 153 | return -ENODEV; |
151 | 154 | ||
152 | if (!(dev = drm_heads[minor]->dev)) | 155 | if (!(dev = drm_heads[minor]->dev)) |
153 | return -ENODEV; | 156 | return -ENODEV; |
154 | 157 | ||
@@ -174,7 +177,7 @@ int drm_stub_open(struct inode *inode, struct file *filp) | |||
174 | * create the proc init entry via proc_init(). This routines assigns | 177 | * create the proc init entry via proc_init(). This routines assigns |
175 | * minor numbers to secondary heads of multi-headed cards | 178 | * minor numbers to secondary heads of multi-headed cards |
176 | */ | 179 | */ |
177 | static int drm_get_head(drm_device_t *dev, drm_head_t *head) | 180 | static int drm_get_head(drm_device_t * dev, drm_head_t * head) |
178 | { | 181 | { |
179 | drm_head_t **heads = drm_heads; | 182 | drm_head_t **heads = drm_heads; |
180 | int ret; | 183 | int ret; |
@@ -184,26 +187,27 @@ static int drm_get_head(drm_device_t *dev, drm_head_t *head) | |||
184 | 187 | ||
185 | for (minor = 0; minor < drm_cards_limit; minor++, heads++) { | 188 | for (minor = 0; minor < drm_cards_limit; minor++, heads++) { |
186 | if (!*heads) { | 189 | if (!*heads) { |
187 | 190 | ||
188 | *head = (drm_head_t) { | 191 | *head = (drm_head_t) { |
189 | .dev = dev, | 192 | .dev = dev,.device = |
190 | .device = MKDEV(DRM_MAJOR, minor), | 193 | MKDEV(DRM_MAJOR, minor),.minor = minor,}; |
191 | .minor = minor, | 194 | |
192 | }; | 195 | if ((ret = |
193 | 196 | drm_proc_init(dev, minor, drm_proc_root, | |
194 | if ((ret = drm_proc_init(dev, minor, drm_proc_root, &head->dev_root))) { | 197 | &head->dev_root))) { |
195 | printk (KERN_ERR "DRM: Failed to initialize /proc/dri.\n"); | 198 | printk(KERN_ERR |
199 | "DRM: Failed to initialize /proc/dri.\n"); | ||
196 | goto err_g1; | 200 | goto err_g1; |
197 | } | 201 | } |
198 | 202 | ||
199 | |||
200 | head->dev_class = drm_sysfs_device_add(drm_class, | 203 | head->dev_class = drm_sysfs_device_add(drm_class, |
201 | MKDEV(DRM_MAJOR, | 204 | MKDEV(DRM_MAJOR, |
202 | minor), | 205 | minor), |
203 | &dev->pdev->dev, | 206 | &dev->pdev->dev, |
204 | "card%d", minor); | 207 | "card%d", minor); |
205 | if (IS_ERR(head->dev_class)) { | 208 | if (IS_ERR(head->dev_class)) { |
206 | printk(KERN_ERR "DRM: Error sysfs_device_add.\n"); | 209 | printk(KERN_ERR |
210 | "DRM: Error sysfs_device_add.\n"); | ||
207 | ret = PTR_ERR(head->dev_class); | 211 | ret = PTR_ERR(head->dev_class); |
208 | goto err_g2; | 212 | goto err_g2; |
209 | } | 213 | } |
@@ -215,13 +219,14 @@ static int drm_get_head(drm_device_t *dev, drm_head_t *head) | |||
215 | } | 219 | } |
216 | DRM_ERROR("out of minors\n"); | 220 | DRM_ERROR("out of minors\n"); |
217 | return -ENOMEM; | 221 | return -ENOMEM; |
218 | err_g2: | 222 | err_g2: |
219 | drm_proc_cleanup(minor, drm_proc_root, head->dev_root); | 223 | drm_proc_cleanup(minor, drm_proc_root, head->dev_root); |
220 | err_g1: | 224 | err_g1: |
221 | *head = (drm_head_t) {.dev = NULL}; | 225 | *head = (drm_head_t) { |
226 | .dev = NULL}; | ||
222 | return ret; | 227 | return ret; |
223 | } | 228 | } |
224 | 229 | ||
225 | /** | 230 | /** |
226 | * Register. | 231 | * Register. |
227 | * | 232 | * |
@@ -234,7 +239,7 @@ err_g1: | |||
234 | * Try and register, if we fail to register, backout previous work. | 239 | * Try and register, if we fail to register, backout previous work. |
235 | */ | 240 | */ |
236 | int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, | 241 | int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, |
237 | struct drm_driver *driver) | 242 | struct drm_driver *driver) |
238 | { | 243 | { |
239 | drm_device_t *dev; | 244 | drm_device_t *dev; |
240 | int ret; | 245 | int ret; |
@@ -261,10 +266,11 @@ int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, | |||
261 | 266 | ||
262 | return 0; | 267 | return 0; |
263 | 268 | ||
264 | err_g1: | 269 | err_g1: |
265 | drm_free(dev, sizeof(*dev), DRM_MEM_STUB); | 270 | drm_free(dev, sizeof(*dev), DRM_MEM_STUB); |
266 | return ret; | 271 | return ret; |
267 | } | 272 | } |
273 | |||
268 | EXPORT_SYMBOL(drm_get_dev); | 274 | EXPORT_SYMBOL(drm_get_dev); |
269 | 275 | ||
270 | /** | 276 | /** |
@@ -305,19 +311,19 @@ int drm_put_dev(drm_device_t * dev) | |||
305 | * last minor released. | 311 | * last minor released. |
306 | * | 312 | * |
307 | */ | 313 | */ |
308 | int drm_put_head(drm_head_t *head) | 314 | int drm_put_head(drm_head_t * head) |
309 | { | 315 | { |
310 | int minor = head->minor; | 316 | int minor = head->minor; |
311 | 317 | ||
312 | DRM_DEBUG("release secondary minor %d\n", minor); | 318 | DRM_DEBUG("release secondary minor %d\n", minor); |
313 | 319 | ||
314 | drm_proc_cleanup(minor, drm_proc_root, head->dev_root); | 320 | drm_proc_cleanup(minor, drm_proc_root, head->dev_root); |
315 | drm_sysfs_device_remove(MKDEV(DRM_MAJOR, head->minor)); | 321 | drm_sysfs_device_remove(MKDEV(DRM_MAJOR, head->minor)); |
316 | 322 | ||
317 | *head = (drm_head_t){.dev = NULL}; | 323 | *head = (drm_head_t) { |
324 | .dev = NULL}; | ||
318 | 325 | ||
319 | drm_heads[minor] = NULL; | 326 | drm_heads[minor] = NULL; |
320 | 327 | ||
321 | return 0; | 328 | return 0; |
322 | } | 329 | } |
323 | |||