diff options
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c')
-rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | 516 |
1 files changed, 516 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c new file mode 100644 index 000000000000..90891593bf6c --- /dev/null +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_ldu.c | |||
@@ -0,0 +1,516 @@ | |||
1 | /************************************************************************** | ||
2 | * | ||
3 | * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA | ||
4 | * All Rights Reserved. | ||
5 | * | ||
6 | * Permission is hereby granted, free of charge, to any person obtaining a | ||
7 | * copy of this software and associated documentation files (the | ||
8 | * "Software"), to deal in the Software without restriction, including | ||
9 | * without limitation the rights to use, copy, modify, merge, publish, | ||
10 | * distribute, sub license, and/or sell copies of the Software, and to | ||
11 | * permit persons to whom the Software is furnished to do so, subject to | ||
12 | * the following conditions: | ||
13 | * | ||
14 | * The above copyright notice and this permission notice (including the | ||
15 | * next paragraph) shall be included in all copies or substantial portions | ||
16 | * of the Software. | ||
17 | * | ||
18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
19 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
20 | * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL | ||
21 | * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, | ||
22 | * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR | ||
23 | * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE | ||
24 | * USE OR OTHER DEALINGS IN THE SOFTWARE. | ||
25 | * | ||
26 | **************************************************************************/ | ||
27 | |||
28 | #include "vmwgfx_kms.h" | ||
29 | |||
30 | #define vmw_crtc_to_ldu(x) \ | ||
31 | container_of(x, struct vmw_legacy_display_unit, base.crtc) | ||
32 | #define vmw_encoder_to_ldu(x) \ | ||
33 | container_of(x, struct vmw_legacy_display_unit, base.encoder) | ||
34 | #define vmw_connector_to_ldu(x) \ | ||
35 | container_of(x, struct vmw_legacy_display_unit, base.connector) | ||
36 | |||
37 | struct vmw_legacy_display { | ||
38 | struct list_head active; | ||
39 | |||
40 | unsigned num_active; | ||
41 | |||
42 | struct vmw_framebuffer *fb; | ||
43 | }; | ||
44 | |||
45 | /** | ||
46 | * Display unit using the legacy register interface. | ||
47 | */ | ||
48 | struct vmw_legacy_display_unit { | ||
49 | struct vmw_display_unit base; | ||
50 | |||
51 | struct list_head active; | ||
52 | |||
53 | unsigned unit; | ||
54 | }; | ||
55 | |||
56 | static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu) | ||
57 | { | ||
58 | list_del_init(&ldu->active); | ||
59 | vmw_display_unit_cleanup(&ldu->base); | ||
60 | kfree(ldu); | ||
61 | } | ||
62 | |||
63 | |||
64 | /* | ||
65 | * Legacy Display Unit CRTC functions | ||
66 | */ | ||
67 | |||
68 | static void vmw_ldu_crtc_save(struct drm_crtc *crtc) | ||
69 | { | ||
70 | } | ||
71 | |||
72 | static void vmw_ldu_crtc_restore(struct drm_crtc *crtc) | ||
73 | { | ||
74 | } | ||
75 | |||
76 | static void vmw_ldu_crtc_gamma_set(struct drm_crtc *crtc, | ||
77 | u16 *r, u16 *g, u16 *b, | ||
78 | uint32_t size) | ||
79 | { | ||
80 | } | ||
81 | |||
82 | static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc) | ||
83 | { | ||
84 | vmw_ldu_destroy(vmw_crtc_to_ldu(crtc)); | ||
85 | } | ||
86 | |||
87 | static int vmw_ldu_commit_list(struct vmw_private *dev_priv) | ||
88 | { | ||
89 | struct vmw_legacy_display *lds = dev_priv->ldu_priv; | ||
90 | struct vmw_legacy_display_unit *entry; | ||
91 | struct drm_crtc *crtc; | ||
92 | int i = 0; | ||
93 | |||
94 | /* to stop the screen from changing size on resize */ | ||
95 | vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, 0); | ||
96 | for (i = 0; i < lds->num_active; i++) { | ||
97 | vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); | ||
98 | vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); | ||
99 | vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, 0); | ||
100 | vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, 0); | ||
101 | vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, 0); | ||
102 | vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, 0); | ||
103 | vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); | ||
104 | } | ||
105 | |||
106 | /* Now set the mode */ | ||
107 | vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS, lds->num_active); | ||
108 | i = 0; | ||
109 | list_for_each_entry(entry, &lds->active, active) { | ||
110 | crtc = &entry->base.crtc; | ||
111 | |||
112 | vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i); | ||
113 | vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i); | ||
114 | vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x); | ||
115 | vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y); | ||
116 | vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay); | ||
117 | vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay); | ||
118 | vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID); | ||
119 | |||
120 | i++; | ||
121 | } | ||
122 | |||
123 | return 0; | ||
124 | } | ||
125 | |||
126 | static int vmw_ldu_del_active(struct vmw_private *vmw_priv, | ||
127 | struct vmw_legacy_display_unit *ldu) | ||
128 | { | ||
129 | struct vmw_legacy_display *ld = vmw_priv->ldu_priv; | ||
130 | if (list_empty(&ldu->active)) | ||
131 | return 0; | ||
132 | |||
133 | list_del_init(&ldu->active); | ||
134 | if (--(ld->num_active) == 0) { | ||
135 | BUG_ON(!ld->fb); | ||
136 | if (ld->fb->unpin) | ||
137 | ld->fb->unpin(ld->fb); | ||
138 | ld->fb = NULL; | ||
139 | } | ||
140 | |||
141 | return 0; | ||
142 | } | ||
143 | |||
144 | static int vmw_ldu_add_active(struct vmw_private *vmw_priv, | ||
145 | struct vmw_legacy_display_unit *ldu, | ||
146 | struct vmw_framebuffer *vfb) | ||
147 | { | ||
148 | struct vmw_legacy_display *ld = vmw_priv->ldu_priv; | ||
149 | struct vmw_legacy_display_unit *entry; | ||
150 | struct list_head *at; | ||
151 | |||
152 | if (!list_empty(&ldu->active)) | ||
153 | return 0; | ||
154 | |||
155 | at = &ld->active; | ||
156 | list_for_each_entry(entry, &ld->active, active) { | ||
157 | if (entry->unit > ldu->unit) | ||
158 | break; | ||
159 | |||
160 | at = &entry->active; | ||
161 | } | ||
162 | |||
163 | list_add(&ldu->active, at); | ||
164 | if (ld->num_active++ == 0) { | ||
165 | BUG_ON(ld->fb); | ||
166 | if (vfb->pin) | ||
167 | vfb->pin(vfb); | ||
168 | ld->fb = vfb; | ||
169 | } | ||
170 | |||
171 | return 0; | ||
172 | } | ||
173 | |||
174 | static int vmw_ldu_crtc_set_config(struct drm_mode_set *set) | ||
175 | { | ||
176 | struct vmw_private *dev_priv; | ||
177 | struct vmw_legacy_display_unit *ldu; | ||
178 | struct drm_connector *connector; | ||
179 | struct drm_display_mode *mode; | ||
180 | struct drm_encoder *encoder; | ||
181 | struct vmw_framebuffer *vfb; | ||
182 | struct drm_framebuffer *fb; | ||
183 | struct drm_crtc *crtc; | ||
184 | |||
185 | if (!set) | ||
186 | return -EINVAL; | ||
187 | |||
188 | if (!set->crtc) | ||
189 | return -EINVAL; | ||
190 | |||
191 | /* get the ldu */ | ||
192 | crtc = set->crtc; | ||
193 | ldu = vmw_crtc_to_ldu(crtc); | ||
194 | vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL; | ||
195 | dev_priv = vmw_priv(crtc->dev); | ||
196 | |||
197 | if (set->num_connectors > 1) { | ||
198 | DRM_ERROR("to many connectors\n"); | ||
199 | return -EINVAL; | ||
200 | } | ||
201 | |||
202 | if (set->num_connectors == 1 && | ||
203 | set->connectors[0] != &ldu->base.connector) { | ||
204 | DRM_ERROR("connector doesn't match %p %p\n", | ||
205 | set->connectors[0], &ldu->base.connector); | ||
206 | return -EINVAL; | ||
207 | } | ||
208 | |||
209 | /* ldu only supports one fb active at the time */ | ||
210 | if (dev_priv->ldu_priv->fb && vfb && | ||
211 | dev_priv->ldu_priv->fb != vfb) { | ||
212 | DRM_ERROR("Multiple framebuffers not supported\n"); | ||
213 | return -EINVAL; | ||
214 | } | ||
215 | |||
216 | /* since they always map one to one these are safe */ | ||
217 | connector = &ldu->base.connector; | ||
218 | encoder = &ldu->base.encoder; | ||
219 | |||
220 | /* should we turn the crtc off? */ | ||
221 | if (set->num_connectors == 0 || !set->mode || !set->fb) { | ||
222 | |||
223 | connector->encoder = NULL; | ||
224 | encoder->crtc = NULL; | ||
225 | crtc->fb = NULL; | ||
226 | |||
227 | vmw_ldu_del_active(dev_priv, ldu); | ||
228 | |||
229 | vmw_ldu_commit_list(dev_priv); | ||
230 | |||
231 | return 0; | ||
232 | } | ||
233 | |||
234 | |||
235 | /* we now know we want to set a mode */ | ||
236 | mode = set->mode; | ||
237 | fb = set->fb; | ||
238 | |||
239 | if (set->x + mode->hdisplay > fb->width || | ||
240 | set->y + mode->vdisplay > fb->height) { | ||
241 | DRM_ERROR("set outside of framebuffer\n"); | ||
242 | return -EINVAL; | ||
243 | } | ||
244 | |||
245 | vmw_fb_off(dev_priv); | ||
246 | |||
247 | crtc->fb = fb; | ||
248 | encoder->crtc = crtc; | ||
249 | connector->encoder = encoder; | ||
250 | crtc->x = set->x; | ||
251 | crtc->y = set->y; | ||
252 | crtc->mode = *mode; | ||
253 | |||
254 | vmw_ldu_add_active(dev_priv, ldu, vfb); | ||
255 | |||
256 | vmw_ldu_commit_list(dev_priv); | ||
257 | |||
258 | return 0; | ||
259 | } | ||
260 | |||
261 | static struct drm_crtc_funcs vmw_legacy_crtc_funcs = { | ||
262 | .save = vmw_ldu_crtc_save, | ||
263 | .restore = vmw_ldu_crtc_restore, | ||
264 | .cursor_set = vmw_du_crtc_cursor_set, | ||
265 | .cursor_move = vmw_du_crtc_cursor_move, | ||
266 | .gamma_set = vmw_ldu_crtc_gamma_set, | ||
267 | .destroy = vmw_ldu_crtc_destroy, | ||
268 | .set_config = vmw_ldu_crtc_set_config, | ||
269 | }; | ||
270 | |||
271 | /* | ||
272 | * Legacy Display Unit encoder functions | ||
273 | */ | ||
274 | |||
275 | static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder) | ||
276 | { | ||
277 | vmw_ldu_destroy(vmw_encoder_to_ldu(encoder)); | ||
278 | } | ||
279 | |||
280 | static struct drm_encoder_funcs vmw_legacy_encoder_funcs = { | ||
281 | .destroy = vmw_ldu_encoder_destroy, | ||
282 | }; | ||
283 | |||
284 | /* | ||
285 | * Legacy Display Unit connector functions | ||
286 | */ | ||
287 | |||
288 | static void vmw_ldu_connector_dpms(struct drm_connector *connector, int mode) | ||
289 | { | ||
290 | } | ||
291 | |||
292 | static void vmw_ldu_connector_save(struct drm_connector *connector) | ||
293 | { | ||
294 | } | ||
295 | |||
296 | static void vmw_ldu_connector_restore(struct drm_connector *connector) | ||
297 | { | ||
298 | } | ||
299 | |||
300 | static enum drm_connector_status | ||
301 | vmw_ldu_connector_detect(struct drm_connector *connector) | ||
302 | { | ||
303 | /* XXX vmwctrl should control connection status */ | ||
304 | if (vmw_connector_to_ldu(connector)->base.unit == 0) | ||
305 | return connector_status_connected; | ||
306 | return connector_status_disconnected; | ||
307 | } | ||
308 | |||
309 | static struct drm_display_mode vmw_ldu_connector_builtin[] = { | ||
310 | /* 640x480@60Hz */ | ||
311 | { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656, | ||
312 | 752, 800, 0, 480, 489, 492, 525, 0, | ||
313 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | ||
314 | /* 800x600@60Hz */ | ||
315 | { DRM_MODE("800x600", | ||
316 | DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, | ||
317 | 40000, 800, 840, 968, 1056, 0, 600, 601, 605, 628, | ||
318 | 0, DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
319 | /* 1024x768@60Hz */ | ||
320 | { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048, | ||
321 | 1184, 1344, 0, 768, 771, 777, 806, 0, | ||
322 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, | ||
323 | /* 1152x864@75Hz */ | ||
324 | { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216, | ||
325 | 1344, 1600, 0, 864, 865, 868, 900, 0, | ||
326 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
327 | /* 1280x768@60Hz */ | ||
328 | { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344, | ||
329 | 1472, 1664, 0, 768, 771, 778, 798, 0, | ||
330 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
331 | /* 1280x800@60Hz */ | ||
332 | { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352, | ||
333 | 1480, 1680, 0, 800, 803, 809, 831, 0, | ||
334 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) }, | ||
335 | /* 1280x960@60Hz */ | ||
336 | { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376, | ||
337 | 1488, 1800, 0, 960, 961, 964, 1000, 0, | ||
338 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
339 | /* 1280x1024@60Hz */ | ||
340 | { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328, | ||
341 | 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, | ||
342 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
343 | /* 1360x768@60Hz */ | ||
344 | { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424, | ||
345 | 1536, 1792, 0, 768, 771, 777, 795, 0, | ||
346 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
347 | /* 1440x1050@60Hz */ | ||
348 | { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488, | ||
349 | 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, | ||
350 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
351 | /* 1440x900@60Hz */ | ||
352 | { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520, | ||
353 | 1672, 1904, 0, 900, 903, 909, 934, 0, | ||
354 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
355 | /* 1600x1200@60Hz */ | ||
356 | { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664, | ||
357 | 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, | ||
358 | DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
359 | /* 1680x1050@60Hz */ | ||
360 | { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784, | ||
361 | 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, | ||
362 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
363 | /* 1792x1344@60Hz */ | ||
364 | { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920, | ||
365 | 2120, 2448, 0, 1344, 1345, 1348, 1394, 0, | ||
366 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
367 | /* 1853x1392@60Hz */ | ||
368 | { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952, | ||
369 | 2176, 2528, 0, 1392, 1393, 1396, 1439, 0, | ||
370 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
371 | /* 1920x1200@60Hz */ | ||
372 | { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056, | ||
373 | 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, | ||
374 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
375 | /* 1920x1440@60Hz */ | ||
376 | { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048, | ||
377 | 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, | ||
378 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
379 | /* 2560x1600@60Hz */ | ||
380 | { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752, | ||
381 | 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, | ||
382 | DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, | ||
383 | /* Terminate */ | ||
384 | { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) }, | ||
385 | }; | ||
386 | |||
387 | static int vmw_ldu_connector_fill_modes(struct drm_connector *connector, | ||
388 | uint32_t max_width, uint32_t max_height) | ||
389 | { | ||
390 | struct drm_device *dev = connector->dev; | ||
391 | struct drm_display_mode *mode = NULL; | ||
392 | int i; | ||
393 | |||
394 | for (i = 0; vmw_ldu_connector_builtin[i].type != 0; i++) { | ||
395 | if (vmw_ldu_connector_builtin[i].hdisplay > max_width || | ||
396 | vmw_ldu_connector_builtin[i].vdisplay > max_height) | ||
397 | continue; | ||
398 | |||
399 | mode = drm_mode_duplicate(dev, &vmw_ldu_connector_builtin[i]); | ||
400 | if (!mode) | ||
401 | return 0; | ||
402 | mode->vrefresh = drm_mode_vrefresh(mode); | ||
403 | |||
404 | drm_mode_probed_add(connector, mode); | ||
405 | } | ||
406 | |||
407 | drm_mode_connector_list_update(connector); | ||
408 | |||
409 | return 1; | ||
410 | } | ||
411 | |||
412 | static int vmw_ldu_connector_set_property(struct drm_connector *connector, | ||
413 | struct drm_property *property, | ||
414 | uint64_t val) | ||
415 | { | ||
416 | return 0; | ||
417 | } | ||
418 | |||
419 | static void vmw_ldu_connector_destroy(struct drm_connector *connector) | ||
420 | { | ||
421 | vmw_ldu_destroy(vmw_connector_to_ldu(connector)); | ||
422 | } | ||
423 | |||
424 | static struct drm_connector_funcs vmw_legacy_connector_funcs = { | ||
425 | .dpms = vmw_ldu_connector_dpms, | ||
426 | .save = vmw_ldu_connector_save, | ||
427 | .restore = vmw_ldu_connector_restore, | ||
428 | .detect = vmw_ldu_connector_detect, | ||
429 | .fill_modes = vmw_ldu_connector_fill_modes, | ||
430 | .set_property = vmw_ldu_connector_set_property, | ||
431 | .destroy = vmw_ldu_connector_destroy, | ||
432 | }; | ||
433 | |||
434 | static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit) | ||
435 | { | ||
436 | struct vmw_legacy_display_unit *ldu; | ||
437 | struct drm_device *dev = dev_priv->dev; | ||
438 | struct drm_connector *connector; | ||
439 | struct drm_encoder *encoder; | ||
440 | struct drm_crtc *crtc; | ||
441 | |||
442 | ldu = kzalloc(sizeof(*ldu), GFP_KERNEL); | ||
443 | if (!ldu) | ||
444 | return -ENOMEM; | ||
445 | |||
446 | ldu->unit = unit; | ||
447 | crtc = &ldu->base.crtc; | ||
448 | encoder = &ldu->base.encoder; | ||
449 | connector = &ldu->base.connector; | ||
450 | |||
451 | drm_connector_init(dev, connector, &vmw_legacy_connector_funcs, | ||
452 | DRM_MODE_CONNECTOR_LVDS); | ||
453 | /* Initial status */ | ||
454 | if (unit == 0) | ||
455 | connector->status = connector_status_connected; | ||
456 | else | ||
457 | connector->status = connector_status_disconnected; | ||
458 | |||
459 | drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs, | ||
460 | DRM_MODE_ENCODER_LVDS); | ||
461 | drm_mode_connector_attach_encoder(connector, encoder); | ||
462 | encoder->possible_crtcs = (1 << unit); | ||
463 | encoder->possible_clones = 0; | ||
464 | |||
465 | INIT_LIST_HEAD(&ldu->active); | ||
466 | |||
467 | drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs); | ||
468 | |||
469 | drm_connector_attach_property(connector, | ||
470 | dev->mode_config.dirty_info_property, | ||
471 | 1); | ||
472 | |||
473 | return 0; | ||
474 | } | ||
475 | |||
476 | int vmw_kms_init_legacy_display_system(struct vmw_private *dev_priv) | ||
477 | { | ||
478 | if (dev_priv->ldu_priv) { | ||
479 | DRM_INFO("ldu system already on\n"); | ||
480 | return -EINVAL; | ||
481 | } | ||
482 | |||
483 | dev_priv->ldu_priv = kmalloc(GFP_KERNEL, sizeof(*dev_priv->ldu_priv)); | ||
484 | |||
485 | if (!dev_priv->ldu_priv) | ||
486 | return -ENOMEM; | ||
487 | |||
488 | INIT_LIST_HEAD(&dev_priv->ldu_priv->active); | ||
489 | dev_priv->ldu_priv->num_active = 0; | ||
490 | dev_priv->ldu_priv->fb = NULL; | ||
491 | |||
492 | drm_mode_create_dirty_info_property(dev_priv->dev); | ||
493 | |||
494 | vmw_ldu_init(dev_priv, 0); | ||
495 | vmw_ldu_init(dev_priv, 1); | ||
496 | vmw_ldu_init(dev_priv, 2); | ||
497 | vmw_ldu_init(dev_priv, 3); | ||
498 | vmw_ldu_init(dev_priv, 4); | ||
499 | vmw_ldu_init(dev_priv, 5); | ||
500 | vmw_ldu_init(dev_priv, 6); | ||
501 | vmw_ldu_init(dev_priv, 7); | ||
502 | |||
503 | return 0; | ||
504 | } | ||
505 | |||
506 | int vmw_kms_close_legacy_display_system(struct vmw_private *dev_priv) | ||
507 | { | ||
508 | if (!dev_priv->ldu_priv) | ||
509 | return -ENOSYS; | ||
510 | |||
511 | BUG_ON(!list_empty(&dev_priv->ldu_priv->active)); | ||
512 | |||
513 | kfree(dev_priv->ldu_priv); | ||
514 | |||
515 | return 0; | ||
516 | } | ||