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1/**************************************************************************
2 *
3 * Copyright © 2009-2015 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#include <drm/drm_plane_helper.h>
30
31
32#define vmw_crtc_to_ldu(x) \
33 container_of(x, struct vmw_legacy_display_unit, base.crtc)
34#define vmw_encoder_to_ldu(x) \
35 container_of(x, struct vmw_legacy_display_unit, base.encoder)
36#define vmw_connector_to_ldu(x) \
37 container_of(x, struct vmw_legacy_display_unit, base.connector)
38
39struct vmw_legacy_display {
40 struct list_head active;
41
42 unsigned num_active;
43 unsigned last_num_active;
44
45 struct vmw_framebuffer *fb;
46};
47
48/**
49 * Display unit using the legacy register interface.
50 */
51struct vmw_legacy_display_unit {
52 struct vmw_display_unit base;
53
54 struct list_head active;
55};
56
57static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu)
58{
59 list_del_init(&ldu->active);
60 vmw_du_cleanup(&ldu->base);
61 kfree(ldu);
62}
63
64
65/*
66 * Legacy Display Unit CRTC functions
67 */
68
69static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc)
70{
71 vmw_ldu_destroy(vmw_crtc_to_ldu(crtc));
72}
73
74static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
75{
76 struct vmw_legacy_display *lds = dev_priv->ldu_priv;
77 struct vmw_legacy_display_unit *entry;
78 struct vmw_display_unit *du = NULL;
79 struct drm_framebuffer *fb = NULL;
80 struct drm_crtc *crtc = NULL;
81 int i = 0, ret;
82
83 /* If there is no display topology the host just assumes
84 * that the guest will set the same layout as the host.
85 */
86 if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) {
87 int w = 0, h = 0;
88 list_for_each_entry(entry, &lds->active, active) {
89 crtc = &entry->base.crtc;
90 w = max(w, crtc->x + crtc->mode.hdisplay);
91 h = max(h, crtc->y + crtc->mode.vdisplay);
92 i++;
93 }
94
95 if (crtc == NULL)
96 return 0;
97 fb = entry->base.crtc.primary->fb;
98
99 return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
100 fb->bits_per_pixel, fb->depth);
101 }
102
103 if (!list_empty(&lds->active)) {
104 entry = list_entry(lds->active.next, typeof(*entry), active);
105 fb = entry->base.crtc.primary->fb;
106
107 vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitches[0],
108 fb->bits_per_pixel, fb->depth);
109 }
110
111 /* Make sure we always show something. */
112 vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS,
113 lds->num_active ? lds->num_active : 1);
114
115 i = 0;
116 list_for_each_entry(entry, &lds->active, active) {
117 crtc = &entry->base.crtc;
118
119 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i);
120 vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i);
121 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x);
122 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y);
123 vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay);
124 vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay);
125 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
126
127 i++;
128 }
129
130 BUG_ON(i != lds->num_active);
131
132 lds->last_num_active = lds->num_active;
133
134
135 /* Find the first du with a cursor. */
136 list_for_each_entry(entry, &lds->active, active) {
137 du = &entry->base;
138
139 if (!du->cursor_dmabuf)
140 continue;
141
142 ret = vmw_cursor_update_dmabuf(dev_priv,
143 du->cursor_dmabuf,
144 64, 64,
145 du->hotspot_x,
146 du->hotspot_y);
147 if (ret == 0)
148 break;
149
150 DRM_ERROR("Could not update cursor image\n");
151 }
152
153 return 0;
154}
155
156static int vmw_ldu_del_active(struct vmw_private *vmw_priv,
157 struct vmw_legacy_display_unit *ldu)
158{
159 struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
160 if (list_empty(&ldu->active))
161 return 0;
162
163 /* Must init otherwise list_empty(&ldu->active) will not work. */
164 list_del_init(&ldu->active);
165 if (--(ld->num_active) == 0) {
166 BUG_ON(!ld->fb);
167 if (ld->fb->unpin)
168 ld->fb->unpin(ld->fb);
169 ld->fb = NULL;
170 }
171
172 return 0;
173}
174
175static int vmw_ldu_add_active(struct vmw_private *vmw_priv,
176 struct vmw_legacy_display_unit *ldu,
177 struct vmw_framebuffer *vfb)
178{
179 struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
180 struct vmw_legacy_display_unit *entry;
181 struct list_head *at;
182
183 BUG_ON(!ld->num_active && ld->fb);
184 if (vfb != ld->fb) {
185 if (ld->fb && ld->fb->unpin)
186 ld->fb->unpin(ld->fb);
187 if (vfb->pin)
188 vfb->pin(vfb);
189 ld->fb = vfb;
190 }
191
192 if (!list_empty(&ldu->active))
193 return 0;
194
195 at = &ld->active;
196 list_for_each_entry(entry, &ld->active, active) {
197 if (entry->base.unit > ldu->base.unit)
198 break;
199
200 at = &entry->active;
201 }
202
203 list_add(&ldu->active, at);
204
205 ld->num_active++;
206
207 return 0;
208}
209
210static int vmw_ldu_crtc_set_config(struct drm_mode_set *set)
211{
212 struct vmw_private *dev_priv;
213 struct vmw_legacy_display_unit *ldu;
214 struct drm_connector *connector;
215 struct drm_display_mode *mode;
216 struct drm_encoder *encoder;
217 struct vmw_framebuffer *vfb;
218 struct drm_framebuffer *fb;
219 struct drm_crtc *crtc;
220
221 if (!set)
222 return -EINVAL;
223
224 if (!set->crtc)
225 return -EINVAL;
226
227 /* get the ldu */
228 crtc = set->crtc;
229 ldu = vmw_crtc_to_ldu(crtc);
230 vfb = set->fb ? vmw_framebuffer_to_vfb(set->fb) : NULL;
231 dev_priv = vmw_priv(crtc->dev);
232
233 if (set->num_connectors > 1) {
234 DRM_ERROR("to many connectors\n");
235 return -EINVAL;
236 }
237
238 if (set->num_connectors == 1 &&
239 set->connectors[0] != &ldu->base.connector) {
240 DRM_ERROR("connector doesn't match %p %p\n",
241 set->connectors[0], &ldu->base.connector);
242 return -EINVAL;
243 }
244
245 /* ldu only supports one fb active at the time */
246 if (dev_priv->ldu_priv->fb && vfb &&
247 !(dev_priv->ldu_priv->num_active == 1 &&
248 !list_empty(&ldu->active)) &&
249 dev_priv->ldu_priv->fb != vfb) {
250 DRM_ERROR("Multiple framebuffers not supported\n");
251 return -EINVAL;
252 }
253
254 /* since they always map one to one these are safe */
255 connector = &ldu->base.connector;
256 encoder = &ldu->base.encoder;
257
258 /* should we turn the crtc off? */
259 if (set->num_connectors == 0 || !set->mode || !set->fb) {
260
261 connector->encoder = NULL;
262 encoder->crtc = NULL;
263 crtc->primary->fb = NULL;
264 crtc->enabled = false;
265
266 vmw_ldu_del_active(dev_priv, ldu);
267
268 return vmw_ldu_commit_list(dev_priv);
269 }
270
271
272 /* we now know we want to set a mode */
273 mode = set->mode;
274 fb = set->fb;
275
276 if (set->x + mode->hdisplay > fb->width ||
277 set->y + mode->vdisplay > fb->height) {
278 DRM_ERROR("set outside of framebuffer\n");
279 return -EINVAL;
280 }
281
282 vmw_svga_enable(dev_priv);
283
284 crtc->primary->fb = fb;
285 encoder->crtc = crtc;
286 connector->encoder = encoder;
287 crtc->x = set->x;
288 crtc->y = set->y;
289 crtc->mode = *mode;
290 crtc->enabled = true;
291 ldu->base.set_gui_x = set->x;
292 ldu->base.set_gui_y = set->y;
293
294 vmw_ldu_add_active(dev_priv, ldu, vfb);
295
296 return vmw_ldu_commit_list(dev_priv);
297}
298
299static const struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
300 .cursor_set2 = vmw_du_crtc_cursor_set2,
301 .cursor_move = vmw_du_crtc_cursor_move,
302 .gamma_set = vmw_du_crtc_gamma_set,
303 .destroy = vmw_ldu_crtc_destroy,
304 .set_config = vmw_ldu_crtc_set_config,
305};
306
307
308/*
309 * Legacy Display Unit encoder functions
310 */
311
312static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder)
313{
314 vmw_ldu_destroy(vmw_encoder_to_ldu(encoder));
315}
316
317static const struct drm_encoder_funcs vmw_legacy_encoder_funcs = {
318 .destroy = vmw_ldu_encoder_destroy,
319};
320
321/*
322 * Legacy Display Unit connector functions
323 */
324
325static void vmw_ldu_connector_destroy(struct drm_connector *connector)
326{
327 vmw_ldu_destroy(vmw_connector_to_ldu(connector));
328}
329
330static const struct drm_connector_funcs vmw_legacy_connector_funcs = {
331 .dpms = vmw_du_connector_dpms,
332 .detect = vmw_du_connector_detect,
333 .fill_modes = vmw_du_connector_fill_modes,
334 .set_property = vmw_du_connector_set_property,
335 .destroy = vmw_ldu_connector_destroy,
336};
337
338static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
339{
340 struct vmw_legacy_display_unit *ldu;
341 struct drm_device *dev = dev_priv->dev;
342 struct drm_connector *connector;
343 struct drm_encoder *encoder;
344 struct drm_crtc *crtc;
345
346 ldu = kzalloc(sizeof(*ldu), GFP_KERNEL);
347 if (!ldu)
348 return -ENOMEM;
349
350 ldu->base.unit = unit;
351 crtc = &ldu->base.crtc;
352 encoder = &ldu->base.encoder;
353 connector = &ldu->base.connector;
354
355 INIT_LIST_HEAD(&ldu->active);
356
357 ldu->base.pref_active = (unit == 0);
358 ldu->base.pref_width = dev_priv->initial_width;
359 ldu->base.pref_height = dev_priv->initial_height;
360 ldu->base.pref_mode = NULL;
361 ldu->base.is_implicit = true;
362
363 drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
364 DRM_MODE_CONNECTOR_VIRTUAL);
365 connector->status = vmw_du_connector_detect(connector, true);
366
367 drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
368 DRM_MODE_ENCODER_VIRTUAL, NULL);
369 drm_mode_connector_attach_encoder(connector, encoder);
370 encoder->possible_crtcs = (1 << unit);
371 encoder->possible_clones = 0;
372
373 (void) drm_connector_register(connector);
374
375 drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs);
376
377 drm_mode_crtc_set_gamma_size(crtc, 256);
378
379 drm_object_attach_property(&connector->base,
380 dev->mode_config.dirty_info_property,
381 1);
382 drm_object_attach_property(&connector->base,
383 dev_priv->hotplug_mode_update_property, 1);
384 drm_object_attach_property(&connector->base,
385 dev->mode_config.suggested_x_property, 0);
386 drm_object_attach_property(&connector->base,
387 dev->mode_config.suggested_y_property, 0);
388 if (dev_priv->implicit_placement_property)
389 drm_object_attach_property
390 (&connector->base,
391 dev_priv->implicit_placement_property,
392 1);
393
394 return 0;
395}
396
397int vmw_kms_ldu_init_display(struct vmw_private *dev_priv)
398{
399 struct drm_device *dev = dev_priv->dev;
400 int i, ret;
401
402 if (dev_priv->ldu_priv) {
403 DRM_INFO("ldu system already on\n");
404 return -EINVAL;
405 }
406
407 dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL);
408 if (!dev_priv->ldu_priv)
409 return -ENOMEM;
410
411 INIT_LIST_HEAD(&dev_priv->ldu_priv->active);
412 dev_priv->ldu_priv->num_active = 0;
413 dev_priv->ldu_priv->last_num_active = 0;
414 dev_priv->ldu_priv->fb = NULL;
415
416 /* for old hardware without multimon only enable one display */
417 if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
418 ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
419 else
420 ret = drm_vblank_init(dev, 1);
421 if (ret != 0)
422 goto err_free;
423
424 ret = drm_mode_create_dirty_info_property(dev);
425 if (ret != 0)
426 goto err_vblank_cleanup;
427
428 vmw_kms_create_implicit_placement_property(dev_priv, true);
429
430 if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
431 for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i)
432 vmw_ldu_init(dev_priv, i);
433 else
434 vmw_ldu_init(dev_priv, 0);
435
436 dev_priv->active_display_unit = vmw_du_legacy;
437
438 DRM_INFO("Legacy Display Unit initialized\n");
439
440 return 0;
441
442err_vblank_cleanup:
443 drm_vblank_cleanup(dev);
444err_free:
445 kfree(dev_priv->ldu_priv);
446 dev_priv->ldu_priv = NULL;
447 return ret;
448}
449
450int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
451{
452 struct drm_device *dev = dev_priv->dev;
453
454 if (!dev_priv->ldu_priv)
455 return -ENOSYS;
456
457 drm_vblank_cleanup(dev);
458
459 BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
460
461 kfree(dev_priv->ldu_priv);
462
463 return 0;
464}
465
466
467int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv,
468 struct vmw_framebuffer *framebuffer,
469 unsigned flags, unsigned color,
470 struct drm_clip_rect *clips,
471 unsigned num_clips, int increment)
472{
473 size_t fifo_size;
474 int i;
475
476 struct {
477 uint32_t header;
478 SVGAFifoCmdUpdate body;
479 } *cmd;
480
481 fifo_size = sizeof(*cmd) * num_clips;
482 cmd = vmw_fifo_reserve(dev_priv, fifo_size);
483 if (unlikely(cmd == NULL)) {
484 DRM_ERROR("Fifo reserve failed.\n");
485 return -ENOMEM;
486 }
487
488 memset(cmd, 0, fifo_size);
489 for (i = 0; i < num_clips; i++, clips += increment) {
490 cmd[i].header = SVGA_CMD_UPDATE;
491 cmd[i].body.x = clips->x1;
492 cmd[i].body.y = clips->y1;
493 cmd[i].body.width = clips->x2 - clips->x1;
494 cmd[i].body.height = clips->y2 - clips->y1;
495 }
496
497 vmw_fifo_commit(dev_priv, fifo_size);
498 return 0;
499}
1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/**************************************************************************
3 *
4 * Copyright 2009-2023 VMware, Inc., Palo Alto, CA., USA
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_bo.h"
29#include "vmwgfx_kms.h"
30
31#include <drm/drm_atomic.h>
32#include <drm/drm_atomic_helper.h>
33#include <drm/drm_fourcc.h>
34
35
36#define vmw_crtc_to_ldu(x) \
37 container_of(x, struct vmw_legacy_display_unit, base.crtc)
38#define vmw_encoder_to_ldu(x) \
39 container_of(x, struct vmw_legacy_display_unit, base.encoder)
40#define vmw_connector_to_ldu(x) \
41 container_of(x, struct vmw_legacy_display_unit, base.connector)
42
43struct vmw_legacy_display {
44 struct list_head active;
45
46 unsigned num_active;
47 unsigned last_num_active;
48
49 struct vmw_framebuffer *fb;
50};
51
52/*
53 * Display unit using the legacy register interface.
54 */
55struct vmw_legacy_display_unit {
56 struct vmw_display_unit base;
57
58 struct list_head active;
59};
60
61static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu)
62{
63 list_del_init(&ldu->active);
64 vmw_du_cleanup(&ldu->base);
65 kfree(ldu);
66}
67
68
69/*
70 * Legacy Display Unit CRTC functions
71 */
72
73static void vmw_ldu_crtc_destroy(struct drm_crtc *crtc)
74{
75 vmw_ldu_destroy(vmw_crtc_to_ldu(crtc));
76}
77
78static int vmw_ldu_commit_list(struct vmw_private *dev_priv)
79{
80 struct vmw_legacy_display *lds = dev_priv->ldu_priv;
81 struct vmw_legacy_display_unit *entry;
82 struct drm_framebuffer *fb = NULL;
83 struct drm_crtc *crtc = NULL;
84 int i;
85
86 /* If there is no display topology the host just assumes
87 * that the guest will set the same layout as the host.
88 */
89 if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)) {
90 int w = 0, h = 0;
91 list_for_each_entry(entry, &lds->active, active) {
92 crtc = &entry->base.crtc;
93 w = max(w, crtc->x + crtc->mode.hdisplay);
94 h = max(h, crtc->y + crtc->mode.vdisplay);
95 }
96
97 if (crtc == NULL)
98 return 0;
99 fb = crtc->primary->state->fb;
100
101 return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
102 fb->format->cpp[0] * 8,
103 fb->format->depth);
104 }
105
106 if (!list_empty(&lds->active)) {
107 entry = list_entry(lds->active.next, typeof(*entry), active);
108 fb = entry->base.crtc.primary->state->fb;
109
110 vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitches[0],
111 fb->format->cpp[0] * 8, fb->format->depth);
112 }
113
114 /* Make sure we always show something. */
115 vmw_write(dev_priv, SVGA_REG_NUM_GUEST_DISPLAYS,
116 lds->num_active ? lds->num_active : 1);
117
118 i = 0;
119 list_for_each_entry(entry, &lds->active, active) {
120 crtc = &entry->base.crtc;
121
122 vmw_write(dev_priv, SVGA_REG_DISPLAY_ID, i);
123 vmw_write(dev_priv, SVGA_REG_DISPLAY_IS_PRIMARY, !i);
124 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_X, crtc->x);
125 vmw_write(dev_priv, SVGA_REG_DISPLAY_POSITION_Y, crtc->y);
126 vmw_write(dev_priv, SVGA_REG_DISPLAY_WIDTH, crtc->mode.hdisplay);
127 vmw_write(dev_priv, SVGA_REG_DISPLAY_HEIGHT, crtc->mode.vdisplay);
128
129 i++;
130 }
131
132 BUG_ON(i != lds->num_active);
133
134 lds->last_num_active = lds->num_active;
135
136 return 0;
137}
138
139/*
140 * Pin the buffer in a location suitable for access by the
141 * display system.
142 */
143static int vmw_ldu_fb_pin(struct vmw_framebuffer *vfb)
144{
145 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
146 struct vmw_bo *buf;
147 int ret;
148
149 buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
150 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.guest_memory_bo;
151
152 if (!buf)
153 return 0;
154 WARN_ON(dev_priv->active_display_unit != vmw_du_legacy);
155
156 if (dev_priv->active_display_unit == vmw_du_legacy) {
157 vmw_overlay_pause_all(dev_priv);
158 ret = vmw_bo_pin_in_start_of_vram(dev_priv, buf, false);
159 vmw_overlay_resume_all(dev_priv);
160 } else
161 ret = -EINVAL;
162
163 return ret;
164}
165
166static int vmw_ldu_fb_unpin(struct vmw_framebuffer *vfb)
167{
168 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
169 struct vmw_bo *buf;
170
171 buf = vfb->bo ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
172 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.guest_memory_bo;
173
174 if (WARN_ON(!buf))
175 return 0;
176
177 return vmw_bo_unpin(dev_priv, buf, false);
178}
179
180static int vmw_ldu_del_active(struct vmw_private *vmw_priv,
181 struct vmw_legacy_display_unit *ldu)
182{
183 struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
184 if (list_empty(&ldu->active))
185 return 0;
186
187 /* Must init otherwise list_empty(&ldu->active) will not work. */
188 list_del_init(&ldu->active);
189 if (--(ld->num_active) == 0) {
190 BUG_ON(!ld->fb);
191 WARN_ON(vmw_ldu_fb_unpin(ld->fb));
192 ld->fb = NULL;
193 }
194
195 return 0;
196}
197
198static int vmw_ldu_add_active(struct vmw_private *vmw_priv,
199 struct vmw_legacy_display_unit *ldu,
200 struct vmw_framebuffer *vfb)
201{
202 struct vmw_legacy_display *ld = vmw_priv->ldu_priv;
203 struct vmw_legacy_display_unit *entry;
204 struct list_head *at;
205
206 BUG_ON(!ld->num_active && ld->fb);
207 if (vfb != ld->fb) {
208 if (ld->fb)
209 WARN_ON(vmw_ldu_fb_unpin(ld->fb));
210 vmw_svga_enable(vmw_priv);
211 WARN_ON(vmw_ldu_fb_pin(vfb));
212 ld->fb = vfb;
213 }
214
215 if (!list_empty(&ldu->active))
216 return 0;
217
218 at = &ld->active;
219 list_for_each_entry(entry, &ld->active, active) {
220 if (entry->base.unit > ldu->base.unit)
221 break;
222
223 at = &entry->active;
224 }
225
226 list_add(&ldu->active, at);
227
228 ld->num_active++;
229
230 return 0;
231}
232
233/**
234 * vmw_ldu_crtc_mode_set_nofb - Enable svga
235 *
236 * @crtc: CRTC associated with the new screen
237 *
238 * For LDU, just enable the svga
239 */
240static void vmw_ldu_crtc_mode_set_nofb(struct drm_crtc *crtc)
241{
242}
243
244/**
245 * vmw_ldu_crtc_atomic_enable - Noop
246 *
247 * @crtc: CRTC associated with the new screen
248 * @state: Unused
249 *
250 * This is called after a mode set has been completed. Here's
251 * usually a good place to call vmw_ldu_add_active/vmw_ldu_del_active
252 * but since for LDU the display plane is closely tied to the
253 * CRTC, it makes more sense to do those at plane update time.
254 */
255static void vmw_ldu_crtc_atomic_enable(struct drm_crtc *crtc,
256 struct drm_atomic_state *state)
257{
258}
259
260/**
261 * vmw_ldu_crtc_atomic_disable - Turns off CRTC
262 *
263 * @crtc: CRTC to be turned off
264 * @state: Unused
265 */
266static void vmw_ldu_crtc_atomic_disable(struct drm_crtc *crtc,
267 struct drm_atomic_state *state)
268{
269}
270
271static const struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
272 .gamma_set = vmw_du_crtc_gamma_set,
273 .destroy = vmw_ldu_crtc_destroy,
274 .reset = vmw_du_crtc_reset,
275 .atomic_duplicate_state = vmw_du_crtc_duplicate_state,
276 .atomic_destroy_state = vmw_du_crtc_destroy_state,
277 .set_config = drm_atomic_helper_set_config,
278 .page_flip = drm_atomic_helper_page_flip,
279};
280
281
282/*
283 * Legacy Display Unit encoder functions
284 */
285
286static void vmw_ldu_encoder_destroy(struct drm_encoder *encoder)
287{
288 vmw_ldu_destroy(vmw_encoder_to_ldu(encoder));
289}
290
291static const struct drm_encoder_funcs vmw_legacy_encoder_funcs = {
292 .destroy = vmw_ldu_encoder_destroy,
293};
294
295/*
296 * Legacy Display Unit connector functions
297 */
298
299static void vmw_ldu_connector_destroy(struct drm_connector *connector)
300{
301 vmw_ldu_destroy(vmw_connector_to_ldu(connector));
302}
303
304static const struct drm_connector_funcs vmw_legacy_connector_funcs = {
305 .dpms = vmw_du_connector_dpms,
306 .detect = vmw_du_connector_detect,
307 .fill_modes = vmw_du_connector_fill_modes,
308 .destroy = vmw_ldu_connector_destroy,
309 .reset = vmw_du_connector_reset,
310 .atomic_duplicate_state = vmw_du_connector_duplicate_state,
311 .atomic_destroy_state = vmw_du_connector_destroy_state,
312};
313
314static const struct
315drm_connector_helper_funcs vmw_ldu_connector_helper_funcs = {
316};
317
318static int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
319 struct vmw_framebuffer *framebuffer,
320 unsigned int flags, unsigned int color,
321 struct drm_mode_rect *clips,
322 unsigned int num_clips);
323
324/*
325 * Legacy Display Plane Functions
326 */
327
328static void
329vmw_ldu_primary_plane_atomic_update(struct drm_plane *plane,
330 struct drm_atomic_state *state)
331{
332 struct drm_plane_state *old_state = drm_atomic_get_old_plane_state(state,
333 plane);
334 struct drm_plane_state *new_state = drm_atomic_get_new_plane_state(state,
335 plane);
336 struct vmw_private *dev_priv;
337 struct vmw_legacy_display_unit *ldu;
338 struct vmw_framebuffer *vfb;
339 struct drm_framebuffer *fb;
340 struct drm_crtc *crtc = new_state->crtc ?: old_state->crtc;
341
342 ldu = vmw_crtc_to_ldu(crtc);
343 dev_priv = vmw_priv(plane->dev);
344 fb = new_state->fb;
345
346 vfb = (fb) ? vmw_framebuffer_to_vfb(fb) : NULL;
347
348 if (vfb)
349 vmw_ldu_add_active(dev_priv, ldu, vfb);
350 else
351 vmw_ldu_del_active(dev_priv, ldu);
352
353 vmw_ldu_commit_list(dev_priv);
354
355 if (vfb && vmw_cmd_supported(dev_priv)) {
356 struct drm_mode_rect fb_rect = {
357 .x1 = 0,
358 .y1 = 0,
359 .x2 = vfb->base.width,
360 .y2 = vfb->base.height
361 };
362 struct drm_mode_rect *damage_rects = drm_plane_get_damage_clips(new_state);
363 u32 rect_count = drm_plane_get_damage_clips_count(new_state);
364 int ret;
365
366 if (!damage_rects) {
367 damage_rects = &fb_rect;
368 rect_count = 1;
369 }
370
371 ret = vmw_kms_ldu_do_bo_dirty(dev_priv, vfb, 0, 0, damage_rects, rect_count);
372
373 drm_WARN_ONCE(plane->dev, ret,
374 "vmw_kms_ldu_do_bo_dirty failed with: ret=%d\n", ret);
375
376 vmw_cmd_flush(dev_priv, false);
377 }
378}
379
380static const struct drm_plane_funcs vmw_ldu_plane_funcs = {
381 .update_plane = drm_atomic_helper_update_plane,
382 .disable_plane = drm_atomic_helper_disable_plane,
383 .destroy = vmw_du_primary_plane_destroy,
384 .reset = vmw_du_plane_reset,
385 .atomic_duplicate_state = vmw_du_plane_duplicate_state,
386 .atomic_destroy_state = vmw_du_plane_destroy_state,
387};
388
389static const struct drm_plane_funcs vmw_ldu_cursor_funcs = {
390 .update_plane = drm_atomic_helper_update_plane,
391 .disable_plane = drm_atomic_helper_disable_plane,
392 .destroy = vmw_du_cursor_plane_destroy,
393 .reset = vmw_du_plane_reset,
394 .atomic_duplicate_state = vmw_du_plane_duplicate_state,
395 .atomic_destroy_state = vmw_du_plane_destroy_state,
396};
397
398/*
399 * Atomic Helpers
400 */
401static const struct
402drm_plane_helper_funcs vmw_ldu_cursor_plane_helper_funcs = {
403 .atomic_check = vmw_du_cursor_plane_atomic_check,
404 .atomic_update = vmw_du_cursor_plane_atomic_update,
405 .prepare_fb = vmw_du_cursor_plane_prepare_fb,
406 .cleanup_fb = vmw_du_cursor_plane_cleanup_fb,
407};
408
409static const struct
410drm_plane_helper_funcs vmw_ldu_primary_plane_helper_funcs = {
411 .atomic_check = vmw_du_primary_plane_atomic_check,
412 .atomic_update = vmw_ldu_primary_plane_atomic_update,
413};
414
415static const struct drm_crtc_helper_funcs vmw_ldu_crtc_helper_funcs = {
416 .mode_set_nofb = vmw_ldu_crtc_mode_set_nofb,
417 .atomic_check = vmw_du_crtc_atomic_check,
418 .atomic_begin = vmw_du_crtc_atomic_begin,
419 .atomic_flush = vmw_du_crtc_atomic_flush,
420 .atomic_enable = vmw_ldu_crtc_atomic_enable,
421 .atomic_disable = vmw_ldu_crtc_atomic_disable,
422};
423
424
425static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
426{
427 struct vmw_legacy_display_unit *ldu;
428 struct drm_device *dev = &dev_priv->drm;
429 struct drm_connector *connector;
430 struct drm_encoder *encoder;
431 struct drm_plane *primary;
432 struct vmw_cursor_plane *cursor;
433 struct drm_crtc *crtc;
434 int ret;
435
436 ldu = kzalloc(sizeof(*ldu), GFP_KERNEL);
437 if (!ldu)
438 return -ENOMEM;
439
440 ldu->base.unit = unit;
441 crtc = &ldu->base.crtc;
442 encoder = &ldu->base.encoder;
443 connector = &ldu->base.connector;
444 primary = &ldu->base.primary;
445 cursor = &ldu->base.cursor;
446
447 INIT_LIST_HEAD(&ldu->active);
448
449 ldu->base.pref_active = (unit == 0);
450 ldu->base.pref_width = dev_priv->initial_width;
451 ldu->base.pref_height = dev_priv->initial_height;
452 ldu->base.pref_mode = NULL;
453
454 /*
455 * Remove this after enabling atomic because property values can
456 * only exist in a state object
457 */
458 ldu->base.is_implicit = true;
459
460 /* Initialize primary plane */
461 ret = drm_universal_plane_init(dev, primary,
462 0, &vmw_ldu_plane_funcs,
463 vmw_primary_plane_formats,
464 ARRAY_SIZE(vmw_primary_plane_formats),
465 NULL, DRM_PLANE_TYPE_PRIMARY, NULL);
466 if (ret) {
467 DRM_ERROR("Failed to initialize primary plane");
468 goto err_free;
469 }
470
471 drm_plane_helper_add(primary, &vmw_ldu_primary_plane_helper_funcs);
472
473 /*
474 * We're going to be using traces and software cursors
475 */
476 if (vmw_cmd_supported(dev_priv)) {
477 /* Initialize cursor plane */
478 ret = drm_universal_plane_init(dev, &cursor->base,
479 0, &vmw_ldu_cursor_funcs,
480 vmw_cursor_plane_formats,
481 ARRAY_SIZE(vmw_cursor_plane_formats),
482 NULL, DRM_PLANE_TYPE_CURSOR, NULL);
483 if (ret) {
484 DRM_ERROR("Failed to initialize cursor plane");
485 drm_plane_cleanup(&ldu->base.primary);
486 goto err_free;
487 }
488
489 drm_plane_helper_add(&cursor->base, &vmw_ldu_cursor_plane_helper_funcs);
490 }
491
492 ret = drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
493 DRM_MODE_CONNECTOR_VIRTUAL);
494 if (ret) {
495 DRM_ERROR("Failed to initialize connector\n");
496 goto err_free;
497 }
498
499 drm_connector_helper_add(connector, &vmw_ldu_connector_helper_funcs);
500 connector->status = vmw_du_connector_detect(connector, true);
501
502 ret = drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
503 DRM_MODE_ENCODER_VIRTUAL, NULL);
504 if (ret) {
505 DRM_ERROR("Failed to initialize encoder\n");
506 goto err_free_connector;
507 }
508
509 (void) drm_connector_attach_encoder(connector, encoder);
510 encoder->possible_crtcs = (1 << unit);
511 encoder->possible_clones = 0;
512
513 ret = drm_connector_register(connector);
514 if (ret) {
515 DRM_ERROR("Failed to register connector\n");
516 goto err_free_encoder;
517 }
518
519 ret = drm_crtc_init_with_planes(dev, crtc, primary,
520 vmw_cmd_supported(dev_priv) ? &cursor->base : NULL,
521 &vmw_legacy_crtc_funcs, NULL);
522 if (ret) {
523 DRM_ERROR("Failed to initialize CRTC\n");
524 goto err_free_unregister;
525 }
526
527 drm_crtc_helper_add(crtc, &vmw_ldu_crtc_helper_funcs);
528
529 drm_mode_crtc_set_gamma_size(crtc, 256);
530
531 drm_object_attach_property(&connector->base,
532 dev_priv->hotplug_mode_update_property, 1);
533 drm_object_attach_property(&connector->base,
534 dev->mode_config.suggested_x_property, 0);
535 drm_object_attach_property(&connector->base,
536 dev->mode_config.suggested_y_property, 0);
537 if (dev_priv->implicit_placement_property)
538 drm_object_attach_property
539 (&connector->base,
540 dev_priv->implicit_placement_property,
541 1);
542
543 return 0;
544
545err_free_unregister:
546 drm_connector_unregister(connector);
547err_free_encoder:
548 drm_encoder_cleanup(encoder);
549err_free_connector:
550 drm_connector_cleanup(connector);
551err_free:
552 kfree(ldu);
553 return ret;
554}
555
556int vmw_kms_ldu_init_display(struct vmw_private *dev_priv)
557{
558 struct drm_device *dev = &dev_priv->drm;
559 int i, ret;
560 int num_display_units = (dev_priv->capabilities & SVGA_CAP_MULTIMON) ?
561 VMWGFX_NUM_DISPLAY_UNITS : 1;
562
563 if (unlikely(dev_priv->ldu_priv)) {
564 return -EINVAL;
565 }
566
567 dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL);
568 if (!dev_priv->ldu_priv)
569 return -ENOMEM;
570
571 INIT_LIST_HEAD(&dev_priv->ldu_priv->active);
572 dev_priv->ldu_priv->num_active = 0;
573 dev_priv->ldu_priv->last_num_active = 0;
574 dev_priv->ldu_priv->fb = NULL;
575
576 vmw_kms_create_implicit_placement_property(dev_priv);
577
578 for (i = 0; i < num_display_units; ++i) {
579 ret = vmw_ldu_init(dev_priv, i);
580 if (ret != 0)
581 goto err_free;
582 }
583
584 dev_priv->active_display_unit = vmw_du_legacy;
585
586 drm_mode_config_reset(dev);
587
588 return 0;
589
590err_free:
591 kfree(dev_priv->ldu_priv);
592 dev_priv->ldu_priv = NULL;
593 return ret;
594}
595
596int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
597{
598 if (!dev_priv->ldu_priv)
599 return -ENOSYS;
600
601 BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
602
603 kfree(dev_priv->ldu_priv);
604
605 return 0;
606}
607
608
609static int vmw_kms_ldu_do_bo_dirty(struct vmw_private *dev_priv,
610 struct vmw_framebuffer *framebuffer,
611 unsigned int flags, unsigned int color,
612 struct drm_mode_rect *clips,
613 unsigned int num_clips)
614{
615 size_t fifo_size;
616 int i;
617
618 struct {
619 uint32_t header;
620 SVGAFifoCmdUpdate body;
621 } *cmd;
622
623 fifo_size = sizeof(*cmd) * num_clips;
624 cmd = VMW_CMD_RESERVE(dev_priv, fifo_size);
625 if (unlikely(cmd == NULL))
626 return -ENOMEM;
627
628 memset(cmd, 0, fifo_size);
629 for (i = 0; i < num_clips; i++, clips++) {
630 cmd[i].header = SVGA_CMD_UPDATE;
631 cmd[i].body.x = clips->x1;
632 cmd[i].body.y = clips->y1;
633 cmd[i].body.width = clips->x2 - clips->x1;
634 cmd[i].body.height = clips->y2 - clips->y1;
635 }
636
637 vmw_cmd_commit(dev_priv, fifo_size);
638 return 0;
639}