blob: bb63e4d795fae43bc07599babe45bedf26f6e114 [file] [log] [blame]
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001/**************************************************************************
2 *
Sinclair Yeh54fbde82015-07-29 12:38:02 -07003 * Copyright © 2009-2015 VMware, Inc., Palo Alto, CA., USA
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00004 * 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"
Daniel Vetter3cb9ae42014-10-29 10:03:57 +010029#include <drm/drm_plane_helper.h>
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000030
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +020031
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000032#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;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +020043 unsigned last_num_active;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000044
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;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000055};
56
57static void vmw_ldu_destroy(struct vmw_legacy_display_unit *ldu)
58{
59 list_del_init(&ldu->active);
Sinclair Yehc8261a92015-06-26 01:23:42 -070060 vmw_du_cleanup(&ldu->base);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000061 kfree(ldu);
62}
63
64
65/*
66 * Legacy Display Unit CRTC functions
67 */
68
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000069static 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;
Jakob Bornecrantzbfc26382011-11-28 13:19:14 +010078 struct vmw_display_unit *du = NULL;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +020079 struct drm_framebuffer *fb = NULL;
80 struct drm_crtc *crtc = NULL;
Jakob Bornecrantzbfc26382011-11-28 13:19:14 +010081 int i = 0, ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000082
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +020083 /* 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;
Matt Roperf4510a22014-04-01 15:22:40 -070097 fb = entry->base.crtc.primary->fb;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +020098
Ville Syrjälä01f2c772011-12-20 00:06:49 +020099 return vmw_kms_write_svga(dev_priv, w, h, fb->pitches[0],
Michel Dänzer0bef23f2011-08-31 07:42:50 +0000100 fb->bits_per_pixel, fb->depth);
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +0200101 }
102
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +0200103 if (!list_empty(&lds->active)) {
104 entry = list_entry(lds->active.next, typeof(*entry), active);
Matt Roperf4510a22014-04-01 15:22:40 -0700105 fb = entry->base.crtc.primary->fb;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +0200106
Ville Syrjälä01f2c772011-12-20 00:06:49 +0200107 vmw_kms_write_svga(dev_priv, fb->width, fb->height, fb->pitches[0],
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +0200108 fb->bits_per_pixel, fb->depth);
109 }
110
Jakob Bornecrantz259600d52010-05-28 11:22:03 +0200111 /* 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
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000115 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
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +0200130 BUG_ON(i != lds->num_active);
131
132 lds->last_num_active = lds->num_active;
133
Jakob Bornecrantzbfc26382011-11-28 13:19:14 +0100134
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
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000153 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
Jakob Bornecrantz6a591a92010-05-28 11:21:55 +0200163 /* Must init otherwise list_empty(&ldu->active) will not work. */
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000164 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
Jakob Bornecrantz04e9e942010-05-28 11:21:56 +0200183 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
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000192 if (!list_empty(&ldu->active))
193 return 0;
194
195 at = &ld->active;
196 list_for_each_entry(entry, &ld->active, active) {
Jakob Bornecrantzbbfad332010-05-28 11:22:01 +0200197 if (entry->base.unit > ldu->base.unit)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000198 break;
199
200 at = &entry->active;
201 }
202
203 list_add(&ldu->active, at);
Jakob Bornecrantz04e9e942010-05-28 11:21:56 +0200204
205 ld->num_active++;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000206
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 &&
Jakob Bornecrantz6a591a92010-05-28 11:21:55 +0200247 !(dev_priv->ldu_priv->num_active == 1 &&
248 !list_empty(&ldu->active)) &&
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000249 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;
Matt Roperf4510a22014-04-01 15:22:40 -0700263 crtc->primary->fb = NULL;
Thomas Hellstromc6c1f322013-11-14 03:11:10 -0800264 crtc->enabled = false;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000265
266 vmw_ldu_del_active(dev_priv, ldu);
267
Michel Dänzer0bef23f2011-08-31 07:42:50 +0000268 return vmw_ldu_commit_list(dev_priv);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000269 }
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
Thomas Hellstrom153b3d52015-06-25 10:47:43 -0700282 vmw_svga_enable(dev_priv);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000283
Matt Roperf4510a22014-04-01 15:22:40 -0700284 crtc->primary->fb = fb;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000285 encoder->crtc = crtc;
286 connector->encoder = encoder;
287 crtc->x = set->x;
288 crtc->y = set->y;
289 crtc->mode = *mode;
Thomas Hellstromc6c1f322013-11-14 03:11:10 -0800290 crtc->enabled = true;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000291
292 vmw_ldu_add_active(dev_priv, ldu, vfb);
293
Michel Dänzer0bef23f2011-08-31 07:42:50 +0000294 return vmw_ldu_commit_list(dev_priv);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000295}
296
297static struct drm_crtc_funcs vmw_legacy_crtc_funcs = {
Jakob Bornecrantz626ab772011-10-04 20:13:20 +0200298 .save = vmw_du_crtc_save,
299 .restore = vmw_du_crtc_restore,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000300 .cursor_set = vmw_du_crtc_cursor_set,
301 .cursor_move = vmw_du_crtc_cursor_move,
Jakob Bornecrantz626ab772011-10-04 20:13:20 +0200302 .gamma_set = vmw_du_crtc_gamma_set,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000303 .destroy = vmw_ldu_crtc_destroy,
304 .set_config = vmw_ldu_crtc_set_config,
305};
306
Jakob Bornecrantz626ab772011-10-04 20:13:20 +0200307
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000308/*
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 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
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000325static void vmw_ldu_connector_destroy(struct drm_connector *connector)
326{
327 vmw_ldu_destroy(vmw_connector_to_ldu(connector));
328}
329
330static struct drm_connector_funcs vmw_legacy_connector_funcs = {
Jakob Bornecrantz626ab772011-10-04 20:13:20 +0200331 .dpms = vmw_du_connector_dpms,
332 .save = vmw_du_connector_save,
333 .restore = vmw_du_connector_restore,
334 .detect = vmw_du_connector_detect,
335 .fill_modes = vmw_du_connector_fill_modes,
336 .set_property = vmw_du_connector_set_property,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000337 .destroy = vmw_ldu_connector_destroy,
338};
339
340static int vmw_ldu_init(struct vmw_private *dev_priv, unsigned unit)
341{
342 struct vmw_legacy_display_unit *ldu;
343 struct drm_device *dev = dev_priv->dev;
344 struct drm_connector *connector;
345 struct drm_encoder *encoder;
346 struct drm_crtc *crtc;
347
348 ldu = kzalloc(sizeof(*ldu), GFP_KERNEL);
349 if (!ldu)
350 return -ENOMEM;
351
Jakob Bornecrantzbbfad332010-05-28 11:22:01 +0200352 ldu->base.unit = unit;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000353 crtc = &ldu->base.crtc;
354 encoder = &ldu->base.encoder;
355 connector = &ldu->base.connector;
356
Jakob Bornecrantz1ae1ddd2010-05-28 11:21:58 +0200357 INIT_LIST_HEAD(&ldu->active);
358
Jakob Bornecrantz626ab772011-10-04 20:13:20 +0200359 ldu->base.pref_active = (unit == 0);
Jakob Bornecrantzeb4f9232012-02-09 16:56:46 +0100360 ldu->base.pref_width = dev_priv->initial_width;
361 ldu->base.pref_height = dev_priv->initial_height;
Jakob Bornecrantz626ab772011-10-04 20:13:20 +0200362 ldu->base.pref_mode = NULL;
Thomas Hellstrom69874272011-11-02 09:43:11 +0100363 ldu->base.is_implicit = true;
Jakob Bornecrantzd8bd19d2010-06-01 11:54:20 +0200364
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000365 drm_connector_init(dev, connector, &vmw_legacy_connector_funcs,
Thomas Hellstrom305151e2011-10-22 10:36:20 +0200366 DRM_MODE_CONNECTOR_VIRTUAL);
Jakob Bornecrantz626ab772011-10-04 20:13:20 +0200367 connector->status = vmw_du_connector_detect(connector, true);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000368
369 drm_encoder_init(dev, encoder, &vmw_legacy_encoder_funcs,
Thomas Hellstrom305151e2011-10-22 10:36:20 +0200370 DRM_MODE_ENCODER_VIRTUAL);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000371 drm_mode_connector_attach_encoder(connector, encoder);
372 encoder->possible_crtcs = (1 << unit);
373 encoder->possible_clones = 0;
374
Thomas Wood34ea3d32014-05-29 16:57:41 +0100375 (void) drm_connector_register(connector);
Thomas Hellstrom6a0a7a92013-12-02 06:04:38 -0800376
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000377 drm_crtc_init(dev, crtc, &vmw_legacy_crtc_funcs);
378
Michel Dänzerf01b7ba2011-08-31 07:42:47 +0000379 drm_mode_crtc_set_gamma_size(crtc, 256);
380
Rob Clarkb8b163b2012-10-11 20:47:14 -0500381 drm_object_attach_property(&connector->base,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000382 dev->mode_config.dirty_info_property,
383 1);
384
385 return 0;
386}
387
Sinclair Yehc8261a92015-06-26 01:23:42 -0700388int vmw_kms_ldu_init_display(struct vmw_private *dev_priv)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000389{
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +0200390 struct drm_device *dev = dev_priv->dev;
Jakob Bornecrantz74b5ea32011-10-17 11:59:44 +0200391 int i, ret;
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +0200392
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000393 if (dev_priv->ldu_priv) {
394 DRM_INFO("ldu system already on\n");
395 return -EINVAL;
396 }
397
Joe Perches85b54e02010-10-31 22:33:53 +0000398 dev_priv->ldu_priv = kmalloc(sizeof(*dev_priv->ldu_priv), GFP_KERNEL);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000399 if (!dev_priv->ldu_priv)
400 return -ENOMEM;
401
402 INIT_LIST_HEAD(&dev_priv->ldu_priv->active);
403 dev_priv->ldu_priv->num_active = 0;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +0200404 dev_priv->ldu_priv->last_num_active = 0;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000405 dev_priv->ldu_priv->fb = NULL;
406
Jakob Bornecrantz60a16a32011-10-17 11:59:43 +0200407 /* for old hardware without multimon only enable one display */
408 if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
409 ret = drm_vblank_init(dev, VMWGFX_NUM_DISPLAY_UNITS);
410 else
411 ret = drm_vblank_init(dev, 1);
412 if (ret != 0)
413 goto err_free;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000414
Jakob Bornecrantz60a16a32011-10-17 11:59:43 +0200415 ret = drm_mode_create_dirty_info_property(dev);
416 if (ret != 0)
417 goto err_vblank_cleanup;
418
419 if (dev_priv->capabilities & SVGA_CAP_MULTIMON)
Jakob Bornecrantz56d1c782011-10-04 20:13:22 +0200420 for (i = 0; i < VMWGFX_NUM_DISPLAY_UNITS; ++i)
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +0200421 vmw_ldu_init(dev_priv, i);
Jakob Bornecrantz60a16a32011-10-17 11:59:43 +0200422 else
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +0200423 vmw_ldu_init(dev_priv, 0);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000424
Sinclair Yehc8261a92015-06-26 01:23:42 -0700425 dev_priv->active_display_unit = vmw_du_legacy;
426
427 DRM_INFO("Legacy Display Unit initialized\n");
428
Jakob Bornecrantz60a16a32011-10-17 11:59:43 +0200429 return 0;
430
431err_vblank_cleanup:
432 drm_vblank_cleanup(dev);
433err_free:
434 kfree(dev_priv->ldu_priv);
435 dev_priv->ldu_priv = NULL;
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +0200436 return ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000437}
438
Sinclair Yehc8261a92015-06-26 01:23:42 -0700439int vmw_kms_ldu_close_display(struct vmw_private *dev_priv)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000440{
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +0200441 struct drm_device *dev = dev_priv->dev;
442
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000443 if (!dev_priv->ldu_priv)
444 return -ENOSYS;
445
Jakob Bornecrantz60a16a32011-10-17 11:59:43 +0200446 drm_vblank_cleanup(dev);
447
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000448 BUG_ON(!list_empty(&dev_priv->ldu_priv->active));
449
450 kfree(dev_priv->ldu_priv);
451
452 return 0;
453}
Sinclair Yehc8261a92015-06-26 01:23:42 -0700454
455
456int vmw_kms_ldu_do_dmabuf_dirty(struct vmw_private *dev_priv,
457 struct vmw_framebuffer *framebuffer,
458 unsigned flags, unsigned color,
459 struct drm_clip_rect *clips,
460 unsigned num_clips, int increment)
461{
462 size_t fifo_size;
463 int i;
464
465 struct {
466 uint32_t header;
467 SVGAFifoCmdUpdate body;
468 } *cmd;
469
470 fifo_size = sizeof(*cmd) * num_clips;
471 cmd = vmw_fifo_reserve(dev_priv, fifo_size);
472 if (unlikely(cmd == NULL)) {
473 DRM_ERROR("Fifo reserve failed.\n");
474 return -ENOMEM;
475 }
476
477 memset(cmd, 0, fifo_size);
478 for (i = 0; i < num_clips; i++, clips += increment) {
Thomas Hellstromb9eb1a62015-04-02 02:39:45 -0700479 cmd[i].header = SVGA_CMD_UPDATE;
480 cmd[i].body.x = clips->x1;
481 cmd[i].body.y = clips->y1;
482 cmd[i].body.width = clips->x2 - clips->x1;
483 cmd[i].body.height = clips->y2 - clips->y1;
Sinclair Yehc8261a92015-06-26 01:23:42 -0700484 }
485
486 vmw_fifo_commit(dev_priv, fifo_size);
487 return 0;
488}