blob: 162f188969a7dc385464e1cbab161979e270cfa0 [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"
29
Jakob Bornecrantz56d1c782011-10-04 20:13:22 +020030
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000031/* Might need a hrtimer here? */
32#define VMWGFX_PRESENT_RATE ((HZ / 60 > 0) ? HZ / 60 : 1)
33
Sinclair Yehc8261a92015-06-26 01:23:42 -070034void vmw_du_cleanup(struct vmw_display_unit *du)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000035{
36 if (du->cursor_surface)
37 vmw_surface_unreference(&du->cursor_surface);
38 if (du->cursor_dmabuf)
39 vmw_dmabuf_unreference(&du->cursor_dmabuf);
Thomas Wood34ea3d32014-05-29 16:57:41 +010040 drm_connector_unregister(&du->connector);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000041 drm_crtc_cleanup(&du->crtc);
42 drm_encoder_cleanup(&du->encoder);
43 drm_connector_cleanup(&du->connector);
44}
45
46/*
47 * Display Unit Cursor functions
48 */
49
50int vmw_cursor_update_image(struct vmw_private *dev_priv,
51 u32 *image, u32 width, u32 height,
52 u32 hotspotX, u32 hotspotY)
53{
54 struct {
55 u32 cmd;
56 SVGAFifoCmdDefineAlphaCursor cursor;
57 } *cmd;
58 u32 image_size = width * height * 4;
59 u32 cmd_size = sizeof(*cmd) + image_size;
60
61 if (!image)
62 return -EINVAL;
63
64 cmd = vmw_fifo_reserve(dev_priv, cmd_size);
65 if (unlikely(cmd == NULL)) {
66 DRM_ERROR("Fifo reserve failed.\n");
67 return -ENOMEM;
68 }
69
70 memset(cmd, 0, sizeof(*cmd));
71
72 memcpy(&cmd[1], image, image_size);
73
Thomas Hellstromb9eb1a62015-04-02 02:39:45 -070074 cmd->cmd = SVGA_CMD_DEFINE_ALPHA_CURSOR;
75 cmd->cursor.id = 0;
76 cmd->cursor.width = width;
77 cmd->cursor.height = height;
78 cmd->cursor.hotspotX = hotspotX;
79 cmd->cursor.hotspotY = hotspotY;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000080
Thomas Hellstrom4e0858a2015-11-05 02:18:55 -080081 vmw_fifo_commit_flush(dev_priv, cmd_size);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +000082
83 return 0;
84}
85
Jakob Bornecrantz6a91d972011-11-28 13:19:10 +010086int vmw_cursor_update_dmabuf(struct vmw_private *dev_priv,
87 struct vmw_dma_buffer *dmabuf,
88 u32 width, u32 height,
89 u32 hotspotX, u32 hotspotY)
90{
91 struct ttm_bo_kmap_obj map;
92 unsigned long kmap_offset;
93 unsigned long kmap_num;
94 void *virtual;
95 bool dummy;
96 int ret;
97
98 kmap_offset = 0;
99 kmap_num = (width*height*4 + PAGE_SIZE - 1) >> PAGE_SHIFT;
100
Thierry Redingee3939e2014-07-21 13:15:51 +0200101 ret = ttm_bo_reserve(&dmabuf->base, true, false, false, NULL);
Jakob Bornecrantz6a91d972011-11-28 13:19:10 +0100102 if (unlikely(ret != 0)) {
103 DRM_ERROR("reserve failed\n");
104 return -EINVAL;
105 }
106
107 ret = ttm_bo_kmap(&dmabuf->base, kmap_offset, kmap_num, &map);
108 if (unlikely(ret != 0))
109 goto err_unreserve;
110
111 virtual = ttm_kmap_obj_virtual(&map, &dummy);
112 ret = vmw_cursor_update_image(dev_priv, virtual, width, height,
113 hotspotX, hotspotY);
114
115 ttm_bo_kunmap(&map);
116err_unreserve:
117 ttm_bo_unreserve(&dmabuf->base);
118
119 return ret;
120}
121
122
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000123void vmw_cursor_update_position(struct vmw_private *dev_priv,
124 bool show, int x, int y)
125{
Thomas Hellstromb76ff5e2015-10-28 10:44:04 +0100126 u32 *fifo_mem = dev_priv->mmio_virt;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000127 uint32_t count;
128
Thomas Hellstromb76ff5e2015-10-28 10:44:04 +0100129 vmw_mmio_write(show ? 1 : 0, fifo_mem + SVGA_FIFO_CURSOR_ON);
130 vmw_mmio_write(x, fifo_mem + SVGA_FIFO_CURSOR_X);
131 vmw_mmio_write(y, fifo_mem + SVGA_FIFO_CURSOR_Y);
132 count = vmw_mmio_read(fifo_mem + SVGA_FIFO_CURSOR_COUNT);
133 vmw_mmio_write(++count, fifo_mem + SVGA_FIFO_CURSOR_COUNT);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000134}
135
136int vmw_du_crtc_cursor_set(struct drm_crtc *crtc, struct drm_file *file_priv,
137 uint32_t handle, uint32_t width, uint32_t height)
138{
139 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000140 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
141 struct vmw_surface *surface = NULL;
142 struct vmw_dma_buffer *dmabuf = NULL;
143 int ret;
144
Daniel Vetterbfb89922012-12-02 13:48:21 +0100145 /*
146 * FIXME: Unclear whether there's any global state touched by the
147 * cursor_set function, especially vmw_cursor_update_position looks
148 * suspicious. For now take the easy route and reacquire all locks. We
149 * can do this since the caller in the drm core doesn't check anything
150 * which is protected by any looks.
151 */
Rob Clark21e88622014-10-30 13:39:04 -0400152 drm_modeset_unlock_crtc(crtc);
Daniel Vetterbfb89922012-12-02 13:48:21 +0100153 drm_modeset_lock_all(dev_priv->dev);
154
Jakob Bornecrantzbaa91d642011-11-09 10:25:28 +0100155 /* A lot of the code assumes this */
Daniel Vetterbfb89922012-12-02 13:48:21 +0100156 if (handle && (width != 64 || height != 64)) {
157 ret = -EINVAL;
158 goto out;
159 }
Jakob Bornecrantzbaa91d642011-11-09 10:25:28 +0100160
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000161 if (handle) {
Ville Syrjäläa5d0f572013-06-03 16:10:41 +0300162 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
163
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100164 ret = vmw_user_lookup_handle(dev_priv, tfile,
165 handle, &surface, &dmabuf);
166 if (ret) {
167 DRM_ERROR("failed to find surface or dmabuf: %i\n", ret);
Daniel Vetterbfb89922012-12-02 13:48:21 +0100168 ret = -EINVAL;
169 goto out;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000170 }
171 }
172
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100173 /* need to do this before taking down old image */
174 if (surface && !surface->snooper.image) {
175 DRM_ERROR("surface not suitable for cursor\n");
176 vmw_surface_unreference(&surface);
Daniel Vetterbfb89922012-12-02 13:48:21 +0100177 ret = -EINVAL;
178 goto out;
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100179 }
180
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000181 /* takedown old cursor */
182 if (du->cursor_surface) {
183 du->cursor_surface->snooper.crtc = NULL;
184 vmw_surface_unreference(&du->cursor_surface);
185 }
186 if (du->cursor_dmabuf)
187 vmw_dmabuf_unreference(&du->cursor_dmabuf);
188
189 /* setup new image */
190 if (surface) {
191 /* vmw_user_surface_lookup takes one reference */
192 du->cursor_surface = surface;
193
194 du->cursor_surface->snooper.crtc = crtc;
195 du->cursor_age = du->cursor_surface->snooper.age;
196 vmw_cursor_update_image(dev_priv, surface->snooper.image,
197 64, 64, du->hotspot_x, du->hotspot_y);
198 } else if (dmabuf) {
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000199 /* vmw_user_surface_lookup takes one reference */
200 du->cursor_dmabuf = dmabuf;
201
Jakob Bornecrantz6a91d972011-11-28 13:19:10 +0100202 ret = vmw_cursor_update_dmabuf(dev_priv, dmabuf, width, height,
203 du->hotspot_x, du->hotspot_y);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000204 } else {
205 vmw_cursor_update_position(dev_priv, false, 0, 0);
Daniel Vetterbfb89922012-12-02 13:48:21 +0100206 ret = 0;
207 goto out;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000208 }
209
Thomas Hellstromda7653d2011-11-02 09:43:12 +0100210 vmw_cursor_update_position(dev_priv, true,
211 du->cursor_x + du->hotspot_x,
212 du->cursor_y + du->hotspot_y);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000213
Daniel Vetterbfb89922012-12-02 13:48:21 +0100214 ret = 0;
215out:
216 drm_modeset_unlock_all(dev_priv->dev);
Daniel Vetter4d02e2d2014-11-11 10:12:00 +0100217 drm_modeset_lock_crtc(crtc, crtc->cursor);
Daniel Vetterbfb89922012-12-02 13:48:21 +0100218
219 return ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000220}
221
222int vmw_du_crtc_cursor_move(struct drm_crtc *crtc, int x, int y)
223{
224 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
225 struct vmw_display_unit *du = vmw_crtc_to_du(crtc);
226 bool shown = du->cursor_surface || du->cursor_dmabuf ? true : false;
227
228 du->cursor_x = x + crtc->x;
229 du->cursor_y = y + crtc->y;
230
Daniel Vetterdac35662012-12-02 15:24:10 +0100231 /*
232 * FIXME: Unclear whether there's any global state touched by the
233 * cursor_set function, especially vmw_cursor_update_position looks
234 * suspicious. For now take the easy route and reacquire all locks. We
235 * can do this since the caller in the drm core doesn't check anything
236 * which is protected by any looks.
237 */
Rob Clark21e88622014-10-30 13:39:04 -0400238 drm_modeset_unlock_crtc(crtc);
Daniel Vetterdac35662012-12-02 15:24:10 +0100239 drm_modeset_lock_all(dev_priv->dev);
240
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000241 vmw_cursor_update_position(dev_priv, shown,
Thomas Hellstromda7653d2011-11-02 09:43:12 +0100242 du->cursor_x + du->hotspot_x,
243 du->cursor_y + du->hotspot_y);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000244
Daniel Vetterdac35662012-12-02 15:24:10 +0100245 drm_modeset_unlock_all(dev_priv->dev);
Daniel Vetter4d02e2d2014-11-11 10:12:00 +0100246 drm_modeset_lock_crtc(crtc, crtc->cursor);
Daniel Vetterdac35662012-12-02 15:24:10 +0100247
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000248 return 0;
249}
250
251void vmw_kms_cursor_snoop(struct vmw_surface *srf,
252 struct ttm_object_file *tfile,
253 struct ttm_buffer_object *bo,
254 SVGA3dCmdHeader *header)
255{
256 struct ttm_bo_kmap_obj map;
257 unsigned long kmap_offset;
258 unsigned long kmap_num;
259 SVGA3dCopyBox *box;
260 unsigned box_count;
261 void *virtual;
262 bool dummy;
263 struct vmw_dma_cmd {
264 SVGA3dCmdHeader header;
265 SVGA3dCmdSurfaceDMA dma;
266 } *cmd;
Jakob Bornecrantz2ac86372011-11-03 21:03:08 +0100267 int i, ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000268
269 cmd = container_of(header, struct vmw_dma_cmd, header);
270
271 /* No snooper installed */
272 if (!srf->snooper.image)
273 return;
274
275 if (cmd->dma.host.face != 0 || cmd->dma.host.mipmap != 0) {
276 DRM_ERROR("face and mipmap for cursors should never != 0\n");
277 return;
278 }
279
280 if (cmd->header.size < 64) {
281 DRM_ERROR("at least one full copy box must be given\n");
282 return;
283 }
284
285 box = (SVGA3dCopyBox *)&cmd[1];
286 box_count = (cmd->header.size - sizeof(SVGA3dCmdSurfaceDMA)) /
287 sizeof(SVGA3dCopyBox);
288
Jakob Bornecrantz2ac86372011-11-03 21:03:08 +0100289 if (cmd->dma.guest.ptr.offset % PAGE_SIZE ||
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000290 box->x != 0 || box->y != 0 || box->z != 0 ||
291 box->srcx != 0 || box->srcy != 0 || box->srcz != 0 ||
Jakob Bornecrantz2ac86372011-11-03 21:03:08 +0100292 box->d != 1 || box_count != 1) {
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000293 /* TODO handle none page aligned offsets */
Jakob Bornecrantz2ac86372011-11-03 21:03:08 +0100294 /* TODO handle more dst & src != 0 */
295 /* TODO handle more then one copy */
296 DRM_ERROR("Cant snoop dma request for cursor!\n");
297 DRM_ERROR("(%u, %u, %u) (%u, %u, %u) (%ux%ux%u) %u %u\n",
298 box->srcx, box->srcy, box->srcz,
299 box->x, box->y, box->z,
300 box->w, box->h, box->d, box_count,
301 cmd->dma.guest.ptr.offset);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000302 return;
303 }
304
305 kmap_offset = cmd->dma.guest.ptr.offset >> PAGE_SHIFT;
306 kmap_num = (64*64*4) >> PAGE_SHIFT;
307
Thierry Redingee3939e2014-07-21 13:15:51 +0200308 ret = ttm_bo_reserve(bo, true, false, false, NULL);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000309 if (unlikely(ret != 0)) {
310 DRM_ERROR("reserve failed\n");
311 return;
312 }
313
314 ret = ttm_bo_kmap(bo, kmap_offset, kmap_num, &map);
315 if (unlikely(ret != 0))
316 goto err_unreserve;
317
318 virtual = ttm_kmap_obj_virtual(&map, &dummy);
319
Jakob Bornecrantz2ac86372011-11-03 21:03:08 +0100320 if (box->w == 64 && cmd->dma.guest.pitch == 64*4) {
321 memcpy(srf->snooper.image, virtual, 64*64*4);
322 } else {
323 /* Image is unsigned pointer. */
324 for (i = 0; i < box->h; i++)
325 memcpy(srf->snooper.image + i * 64,
326 virtual + i * cmd->dma.guest.pitch,
327 box->w * 4);
328 }
329
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000330 srf->snooper.age++;
331
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000332 ttm_bo_kunmap(&map);
333err_unreserve:
334 ttm_bo_unreserve(bo);
335}
336
337void vmw_kms_cursor_post_execbuf(struct vmw_private *dev_priv)
338{
339 struct drm_device *dev = dev_priv->dev;
340 struct vmw_display_unit *du;
341 struct drm_crtc *crtc;
342
343 mutex_lock(&dev->mode_config.mutex);
344
345 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
346 du = vmw_crtc_to_du(crtc);
347 if (!du->cursor_surface ||
348 du->cursor_age == du->cursor_surface->snooper.age)
349 continue;
350
351 du->cursor_age = du->cursor_surface->snooper.age;
352 vmw_cursor_update_image(dev_priv,
353 du->cursor_surface->snooper.image,
354 64, 64, du->hotspot_x, du->hotspot_y);
355 }
356
357 mutex_unlock(&dev->mode_config.mutex);
358}
359
360/*
361 * Generic framebuffer code
362 */
363
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000364/*
365 * Surface framebuffer code
366 */
367
Rashika Kheria847c5962014-01-06 22:18:10 +0530368static void vmw_framebuffer_surface_destroy(struct drm_framebuffer *framebuffer)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000369{
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200370 struct vmw_framebuffer_surface *vfbs =
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000371 vmw_framebuffer_to_vfbs(framebuffer);
372
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000373 drm_framebuffer_cleanup(framebuffer);
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200374 vmw_surface_unreference(&vfbs->surface);
Thomas Hellstroma2787242015-06-29 12:55:07 -0700375 if (vfbs->base.user_obj)
376 ttm_base_object_unref(&vfbs->base.user_obj);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000377
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200378 kfree(vfbs);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000379}
380
Rashika Kheria847c5962014-01-06 22:18:10 +0530381static int vmw_framebuffer_surface_dirty(struct drm_framebuffer *framebuffer,
Thomas Hellstrom02b00162010-10-05 12:43:02 +0200382 struct drm_file *file_priv,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000383 unsigned flags, unsigned color,
384 struct drm_clip_rect *clips,
385 unsigned num_clips)
386{
387 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
388 struct vmw_framebuffer_surface *vfbs =
389 vmw_framebuffer_to_vfbs(framebuffer);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000390 struct drm_clip_rect norect;
Jakob Bornecrantz5deb65c2011-10-04 20:13:18 +0200391 int ret, inc = 1;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000392
Sinclair Yehc8261a92015-06-26 01:23:42 -0700393 /* Legacy Display Unit does not support 3D */
394 if (dev_priv->active_display_unit == vmw_du_legacy)
Jakob Bornecrantz01e81412011-10-04 20:13:24 +0200395 return -EINVAL;
396
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200397 drm_modeset_lock_all(dev_priv->dev);
398
Thomas Hellstrom294adf72014-02-27 12:34:51 +0100399 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200400 if (unlikely(ret != 0)) {
401 drm_modeset_unlock_all(dev_priv->dev);
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200402 return ret;
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200403 }
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200404
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000405 if (!num_clips) {
406 num_clips = 1;
407 clips = &norect;
408 norect.x1 = norect.y1 = 0;
409 norect.x2 = framebuffer->width;
410 norect.y2 = framebuffer->height;
411 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
412 num_clips /= 2;
413 inc = 2; /* skip source rects */
414 }
415
Sinclair Yehc8261a92015-06-26 01:23:42 -0700416 if (dev_priv->active_display_unit == vmw_du_screen_object)
Thomas Hellstrom10b1e0c2015-06-26 02:14:27 -0700417 ret = vmw_kms_sou_do_surface_dirty(dev_priv, &vfbs->base,
418 clips, NULL, NULL, 0, 0,
419 num_clips, inc, NULL);
Sinclair Yeh35c05122015-06-26 01:42:06 -0700420 else
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700421 ret = vmw_kms_stdu_surface_dirty(dev_priv, &vfbs->base,
422 clips, NULL, NULL, 0, 0,
423 num_clips, inc, NULL);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000424
Thomas Hellstrom3eab3d92015-06-25 11:57:56 -0700425 vmw_fifo_flush(dev_priv, false);
Thomas Hellstrom294adf72014-02-27 12:34:51 +0100426 ttm_read_unlock(&dev_priv->reservation_sem);
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200427
428 drm_modeset_unlock_all(dev_priv->dev);
429
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000430 return 0;
431}
432
Thomas Hellstrom10b1e0c2015-06-26 02:14:27 -0700433/**
434 * vmw_kms_readback - Perform a readback from the screen system to
435 * a dma-buffer backed framebuffer.
436 *
437 * @dev_priv: Pointer to the device private structure.
438 * @file_priv: Pointer to a struct drm_file identifying the caller.
439 * Must be set to NULL if @user_fence_rep is NULL.
440 * @vfb: Pointer to the dma-buffer backed framebuffer.
441 * @user_fence_rep: User-space provided structure for fence information.
442 * Must be set to non-NULL if @file_priv is non-NULL.
443 * @vclips: Array of clip rects.
444 * @num_clips: Number of clip rects in @vclips.
445 *
446 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
447 * interrupted.
448 */
449int vmw_kms_readback(struct vmw_private *dev_priv,
450 struct drm_file *file_priv,
451 struct vmw_framebuffer *vfb,
452 struct drm_vmw_fence_rep __user *user_fence_rep,
453 struct drm_vmw_rect *vclips,
454 uint32_t num_clips)
455{
456 switch (dev_priv->active_display_unit) {
457 case vmw_du_screen_object:
458 return vmw_kms_sou_readback(dev_priv, file_priv, vfb,
459 user_fence_rep, vclips, num_clips);
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700460 case vmw_du_screen_target:
461 return vmw_kms_stdu_dma(dev_priv, file_priv, vfb,
462 user_fence_rep, NULL, vclips, num_clips,
463 1, false, true);
Thomas Hellstrom10b1e0c2015-06-26 02:14:27 -0700464 default:
465 WARN_ONCE(true,
466 "Readback called with invalid display system.\n");
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700467}
Thomas Hellstrom10b1e0c2015-06-26 02:14:27 -0700468
469 return -ENOSYS;
470}
471
472
Ville Syrjäläd7955fc2015-12-15 12:21:15 +0100473static const struct drm_framebuffer_funcs vmw_framebuffer_surface_funcs = {
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000474 .destroy = vmw_framebuffer_surface_destroy,
475 .dirty = vmw_framebuffer_surface_dirty,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000476};
477
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200478static int vmw_kms_new_framebuffer_surface(struct vmw_private *dev_priv,
479 struct vmw_surface *surface,
480 struct vmw_framebuffer **out,
481 const struct drm_mode_fb_cmd
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700482 *mode_cmd,
483 bool is_dmabuf_proxy)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000484
485{
486 struct drm_device *dev = dev_priv->dev;
487 struct vmw_framebuffer_surface *vfbs;
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200488 enum SVGA3dSurfaceFormat format;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000489 int ret;
490
Sinclair Yehc8261a92015-06-26 01:23:42 -0700491 /* 3D is only supported on HWv8 and newer hosts */
492 if (dev_priv->active_display_unit == vmw_du_legacy)
Jakob Bornecrantz01e81412011-10-04 20:13:24 +0200493 return -ENOSYS;
494
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200495 /*
496 * Sanity checks.
497 */
498
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100499 /* Surface must be marked as a scanout. */
500 if (unlikely(!surface->scanout))
501 return -EINVAL;
502
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200503 if (unlikely(surface->mip_levels[0] != 1 ||
504 surface->num_sizes != 1 ||
Thomas Hellstromb360a3c2014-01-15 08:51:36 +0100505 surface->base_size.width < mode_cmd->width ||
506 surface->base_size.height < mode_cmd->height ||
507 surface->base_size.depth != 1)) {
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200508 DRM_ERROR("Incompatible surface dimensions "
509 "for requested mode.\n");
510 return -EINVAL;
511 }
512
513 switch (mode_cmd->depth) {
514 case 32:
515 format = SVGA3D_A8R8G8B8;
516 break;
517 case 24:
518 format = SVGA3D_X8R8G8B8;
519 break;
520 case 16:
521 format = SVGA3D_R5G6B5;
522 break;
523 case 15:
524 format = SVGA3D_A1R5G5B5;
525 break;
526 default:
527 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
528 return -EINVAL;
529 }
530
Thomas Hellstromd80efd52015-08-10 10:39:35 -0700531 /*
532 * For DX, surface format validation is done when surface->scanout
533 * is set.
534 */
535 if (!dev_priv->has_dx && format != surface->format) {
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200536 DRM_ERROR("Invalid surface format for requested mode.\n");
537 return -EINVAL;
538 }
539
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000540 vfbs = kzalloc(sizeof(*vfbs), GFP_KERNEL);
541 if (!vfbs) {
542 ret = -ENOMEM;
543 goto out_err1;
544 }
545
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000546 /* XXX get the first 3 from the surface info */
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200547 vfbs->base.base.bits_per_pixel = mode_cmd->bpp;
Ville Syrjälä01f2c772011-12-20 00:06:49 +0200548 vfbs->base.base.pitches[0] = mode_cmd->pitch;
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200549 vfbs->base.base.depth = mode_cmd->depth;
550 vfbs->base.base.width = mode_cmd->width;
551 vfbs->base.base.height = mode_cmd->height;
Sinclair Yeh05c95012015-08-11 22:53:39 -0700552 vfbs->surface = vmw_surface_reference(surface);
Thomas Hellstrom90ff18b2011-10-04 20:13:32 +0200553 vfbs->base.user_handle = mode_cmd->handle;
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700554 vfbs->is_dmabuf_proxy = is_dmabuf_proxy;
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200555
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000556 *out = &vfbs->base;
557
Daniel Vetter80f0b5a2012-12-13 23:39:01 +0100558 ret = drm_framebuffer_init(dev, &vfbs->base.base,
559 &vmw_framebuffer_surface_funcs);
560 if (ret)
Sinclair Yeh05c95012015-08-11 22:53:39 -0700561 goto out_err2;
Daniel Vetter80f0b5a2012-12-13 23:39:01 +0100562
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000563 return 0;
564
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000565out_err2:
Sinclair Yeh05c95012015-08-11 22:53:39 -0700566 vmw_surface_unreference(&surface);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000567 kfree(vfbs);
568out_err1:
569 return ret;
570}
571
572/*
573 * Dmabuf framebuffer code
574 */
575
Rashika Kheria847c5962014-01-06 22:18:10 +0530576static void vmw_framebuffer_dmabuf_destroy(struct drm_framebuffer *framebuffer)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000577{
578 struct vmw_framebuffer_dmabuf *vfbd =
579 vmw_framebuffer_to_vfbd(framebuffer);
580
581 drm_framebuffer_cleanup(framebuffer);
582 vmw_dmabuf_unreference(&vfbd->buffer);
Thomas Hellstroma2787242015-06-29 12:55:07 -0700583 if (vfbd->base.user_obj)
584 ttm_base_object_unref(&vfbd->base.user_obj);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000585
586 kfree(vfbd);
587}
588
Rashika Kheria847c5962014-01-06 22:18:10 +0530589static int vmw_framebuffer_dmabuf_dirty(struct drm_framebuffer *framebuffer,
Thomas Hellstrom02b00162010-10-05 12:43:02 +0200590 struct drm_file *file_priv,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000591 unsigned flags, unsigned color,
592 struct drm_clip_rect *clips,
593 unsigned num_clips)
594{
595 struct vmw_private *dev_priv = vmw_priv(framebuffer->dev);
Jakob Bornecrantz5deb65c2011-10-04 20:13:18 +0200596 struct vmw_framebuffer_dmabuf *vfbd =
597 vmw_framebuffer_to_vfbd(framebuffer);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000598 struct drm_clip_rect norect;
Jakob Bornecrantz5deb65c2011-10-04 20:13:18 +0200599 int ret, increment = 1;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000600
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200601 drm_modeset_lock_all(dev_priv->dev);
602
Thomas Hellstrom294adf72014-02-27 12:34:51 +0100603 ret = ttm_read_lock(&dev_priv->reservation_sem, true);
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200604 if (unlikely(ret != 0)) {
605 drm_modeset_unlock_all(dev_priv->dev);
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200606 return ret;
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200607 }
Thomas Hellstrom3a939a52010-10-05 12:43:03 +0200608
Thomas Hellstromdf1c93b2010-01-13 22:28:36 +0100609 if (!num_clips) {
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000610 num_clips = 1;
611 clips = &norect;
612 norect.x1 = norect.y1 = 0;
613 norect.x2 = framebuffer->width;
614 norect.y2 = framebuffer->height;
615 } else if (flags & DRM_MODE_FB_DIRTY_ANNOTATE_COPY) {
616 num_clips /= 2;
617 increment = 2;
618 }
619
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700620 switch (dev_priv->active_display_unit) {
621 case vmw_du_screen_target:
622 ret = vmw_kms_stdu_dma(dev_priv, NULL, &vfbd->base, NULL,
623 clips, NULL, num_clips, increment,
624 true, true);
625 break;
626 case vmw_du_screen_object:
Thomas Hellstrom10b1e0c2015-06-26 02:14:27 -0700627 ret = vmw_kms_sou_do_dmabuf_dirty(dev_priv, &vfbd->base,
Sinclair Yehc8261a92015-06-26 01:23:42 -0700628 clips, num_clips, increment,
Thomas Hellstrom10b1e0c2015-06-26 02:14:27 -0700629 true,
Sinclair Yehc8261a92015-06-26 01:23:42 -0700630 NULL);
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700631 break;
Thomas Hellstrom352b20d2015-06-29 12:57:37 -0700632 case vmw_du_legacy:
633 ret = vmw_kms_ldu_do_dmabuf_dirty(dev_priv, &vfbd->base, 0, 0,
634 clips, num_clips, increment);
635 break;
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700636 default:
Thomas Hellstrom352b20d2015-06-29 12:57:37 -0700637 ret = -EINVAL;
638 WARN_ONCE(true, "Dirty called with invalid display system.\n");
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700639 break;
Jakob Bornecrantz56d1c782011-10-04 20:13:22 +0200640 }
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000641
Thomas Hellstrom3eab3d92015-06-25 11:57:56 -0700642 vmw_fifo_flush(dev_priv, false);
Thomas Hellstrom294adf72014-02-27 12:34:51 +0100643 ttm_read_unlock(&dev_priv->reservation_sem);
Ville Syrjälä73e9efd2013-12-04 14:13:58 +0200644
645 drm_modeset_unlock_all(dev_priv->dev);
646
Jakob Bornecrantz5deb65c2011-10-04 20:13:18 +0200647 return ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000648}
649
Ville Syrjäläd7955fc2015-12-15 12:21:15 +0100650static const struct drm_framebuffer_funcs vmw_framebuffer_dmabuf_funcs = {
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000651 .destroy = vmw_framebuffer_dmabuf_destroy,
652 .dirty = vmw_framebuffer_dmabuf_dirty,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000653};
654
Jakob Bornecrantz497a3ff2011-10-04 20:13:14 +0200655/**
Jakob Bornecrantz497a3ff2011-10-04 20:13:14 +0200656 * Pin the dmabuffer to the start of vram.
657 */
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700658static int vmw_framebuffer_pin(struct vmw_framebuffer *vfb)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000659{
660 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700661 struct vmw_dma_buffer *buf;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000662 int ret;
663
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700664 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
665 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +0200666
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700667 if (!buf)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000668 return 0;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000669
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700670 switch (dev_priv->active_display_unit) {
671 case vmw_du_legacy:
672 vmw_overlay_pause_all(dev_priv);
673 ret = vmw_dmabuf_pin_in_start_of_vram(dev_priv, buf, false);
674 vmw_overlay_resume_all(dev_priv);
675 break;
676 case vmw_du_screen_object:
677 case vmw_du_screen_target:
678 if (vfb->dmabuf)
679 return vmw_dmabuf_pin_in_vram_or_gmr(dev_priv, buf,
680 false);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000681
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700682 return vmw_dmabuf_pin_in_placement(dev_priv, buf,
683 &vmw_mob_placement, false);
684 default:
685 return -EINVAL;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000686 }
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000687
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700688 return ret;
689}
690
691static int vmw_framebuffer_unpin(struct vmw_framebuffer *vfb)
692{
693 struct vmw_private *dev_priv = vmw_priv(vfb->base.dev);
694 struct vmw_dma_buffer *buf;
695
696 buf = vfb->dmabuf ? vmw_framebuffer_to_vfbd(&vfb->base)->buffer :
697 vmw_framebuffer_to_vfbs(&vfb->base)->surface->res.backup;
698
699 if (WARN_ON(!buf))
700 return 0;
701
702 return vmw_dmabuf_unpin(dev_priv, buf, false);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000703}
704
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700705/**
706 * vmw_create_dmabuf_proxy - create a proxy surface for the DMA buf
707 *
708 * @dev: DRM device
709 * @mode_cmd: parameters for the new surface
710 * @dmabuf_mob: MOB backing the DMA buf
711 * @srf_out: newly created surface
712 *
713 * When the content FB is a DMA buf, we create a surface as a proxy to the
714 * same buffer. This way we can do a surface copy rather than a surface DMA.
715 * This is a more efficient approach
716 *
717 * RETURNS:
718 * 0 on success, error code otherwise
719 */
720static int vmw_create_dmabuf_proxy(struct drm_device *dev,
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700721 const struct drm_mode_fb_cmd *mode_cmd,
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700722 struct vmw_dma_buffer *dmabuf_mob,
723 struct vmw_surface **srf_out)
724{
725 uint32_t format;
726 struct drm_vmw_size content_base_size;
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700727 struct vmw_resource *res;
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700728 int ret;
729
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700730 switch (mode_cmd->depth) {
731 case 32:
732 case 24:
733 format = SVGA3D_X8R8G8B8;
734 break;
735
736 case 16:
737 case 15:
738 format = SVGA3D_R5G6B5;
739 break;
740
741 case 8:
742 format = SVGA3D_P8;
743 break;
744
745 default:
746 DRM_ERROR("Invalid framebuffer format %d\n", mode_cmd->depth);
747 return -EINVAL;
748 }
749
750 content_base_size.width = mode_cmd->width;
751 content_base_size.height = mode_cmd->height;
752 content_base_size.depth = 1;
753
754 ret = vmw_surface_gb_priv_define(dev,
755 0, /* kernel visible only */
756 0, /* flags */
757 format,
758 true, /* can be a scanout buffer */
759 1, /* num of mip levels */
760 0,
Thomas Hellstromd80efd52015-08-10 10:39:35 -0700761 0,
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700762 content_base_size,
763 srf_out);
764 if (ret) {
765 DRM_ERROR("Failed to allocate proxy content buffer\n");
766 return ret;
767 }
768
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700769 res = &(*srf_out)->res;
Sinclair Yehf89c6c32015-06-26 01:54:28 -0700770
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700771 /* Reserve and switch the backing mob. */
772 mutex_lock(&res->dev_priv->cmdbuf_mutex);
773 (void) vmw_resource_reserve(res, false, true);
774 vmw_dmabuf_unreference(&res->backup);
775 res->backup = vmw_dmabuf_reference(dmabuf_mob);
776 res->backup_offset = 0;
Thomas Hellstromd80efd52015-08-10 10:39:35 -0700777 vmw_resource_unreserve(res, false, NULL, 0);
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -0700778 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000779
780 return 0;
781}
782
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000783
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000784
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200785static int vmw_kms_new_framebuffer_dmabuf(struct vmw_private *dev_priv,
786 struct vmw_dma_buffer *dmabuf,
787 struct vmw_framebuffer **out,
788 const struct drm_mode_fb_cmd
789 *mode_cmd)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000790
791{
792 struct drm_device *dev = dev_priv->dev;
793 struct vmw_framebuffer_dmabuf *vfbd;
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200794 unsigned int requested_size;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000795 int ret;
796
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200797 requested_size = mode_cmd->height * mode_cmd->pitch;
798 if (unlikely(requested_size > dmabuf->base.num_pages * PAGE_SIZE)) {
799 DRM_ERROR("Screen buffer object size is too small "
800 "for requested mode.\n");
801 return -EINVAL;
802 }
803
Jakob Bornecrantzc337ada2011-10-04 20:13:34 +0200804 /* Limited framebuffer color depth support for screen objects */
Sinclair Yehc8261a92015-06-26 01:23:42 -0700805 if (dev_priv->active_display_unit == vmw_du_screen_object) {
Jakob Bornecrantzc337ada2011-10-04 20:13:34 +0200806 switch (mode_cmd->depth) {
807 case 32:
808 case 24:
809 /* Only support 32 bpp for 32 and 24 depth fbs */
810 if (mode_cmd->bpp == 32)
811 break;
812
813 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
814 mode_cmd->depth, mode_cmd->bpp);
815 return -EINVAL;
816 case 16:
817 case 15:
818 /* Only support 16 bpp for 16 and 15 depth fbs */
819 if (mode_cmd->bpp == 16)
820 break;
821
822 DRM_ERROR("Invalid color depth/bbp: %d %d\n",
823 mode_cmd->depth, mode_cmd->bpp);
824 return -EINVAL;
825 default:
826 DRM_ERROR("Invalid color depth: %d\n", mode_cmd->depth);
827 return -EINVAL;
828 }
829 }
830
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000831 vfbd = kzalloc(sizeof(*vfbd), GFP_KERNEL);
832 if (!vfbd) {
833 ret = -ENOMEM;
834 goto out_err1;
835 }
836
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200837 vfbd->base.base.bits_per_pixel = mode_cmd->bpp;
Ville Syrjälä01f2c772011-12-20 00:06:49 +0200838 vfbd->base.base.pitches[0] = mode_cmd->pitch;
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200839 vfbd->base.base.depth = mode_cmd->depth;
840 vfbd->base.base.width = mode_cmd->width;
841 vfbd->base.base.height = mode_cmd->height;
Jakob Bornecrantz2fcd5a72011-10-04 20:13:26 +0200842 vfbd->base.dmabuf = true;
Sinclair Yeh05c95012015-08-11 22:53:39 -0700843 vfbd->buffer = vmw_dmabuf_reference(dmabuf);
Thomas Hellstrom90ff18b2011-10-04 20:13:32 +0200844 vfbd->base.user_handle = mode_cmd->handle;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000845 *out = &vfbd->base;
846
Daniel Vetter80f0b5a2012-12-13 23:39:01 +0100847 ret = drm_framebuffer_init(dev, &vfbd->base.base,
848 &vmw_framebuffer_dmabuf_funcs);
849 if (ret)
Sinclair Yeh05c95012015-08-11 22:53:39 -0700850 goto out_err2;
Daniel Vetter80f0b5a2012-12-13 23:39:01 +0100851
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000852 return 0;
853
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000854out_err2:
Sinclair Yeh05c95012015-08-11 22:53:39 -0700855 vmw_dmabuf_unreference(&dmabuf);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000856 kfree(vfbd);
857out_err1:
858 return ret;
859}
860
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700861/**
862 * vmw_kms_new_framebuffer - Create a new framebuffer.
863 *
864 * @dev_priv: Pointer to device private struct.
865 * @dmabuf: Pointer to dma buffer to wrap the kms framebuffer around.
866 * Either @dmabuf or @surface must be NULL.
867 * @surface: Pointer to a surface to wrap the kms framebuffer around.
868 * Either @dmabuf or @surface must be NULL.
869 * @only_2d: No presents will occur to this dma buffer based framebuffer. This
870 * Helps the code to do some important optimizations.
871 * @mode_cmd: Frame-buffer metadata.
872 */
873struct vmw_framebuffer *
874vmw_kms_new_framebuffer(struct vmw_private *dev_priv,
875 struct vmw_dma_buffer *dmabuf,
876 struct vmw_surface *surface,
877 bool only_2d,
878 const struct drm_mode_fb_cmd *mode_cmd)
879{
Sinclair Yeh05c95012015-08-11 22:53:39 -0700880 struct vmw_framebuffer *vfb = NULL;
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700881 bool is_dmabuf_proxy = false;
882 int ret;
883
884 /*
885 * We cannot use the SurfaceDMA command in an non-accelerated VM,
886 * therefore, wrap the DMA buf in a surface so we can use the
887 * SurfaceCopy command.
888 */
889 if (dmabuf && only_2d &&
890 dev_priv->active_display_unit == vmw_du_screen_target) {
891 ret = vmw_create_dmabuf_proxy(dev_priv->dev, mode_cmd,
892 dmabuf, &surface);
893 if (ret)
894 return ERR_PTR(ret);
895
896 is_dmabuf_proxy = true;
897 }
898
899 /* Create the new framebuffer depending one what we have */
Sinclair Yeh05c95012015-08-11 22:53:39 -0700900 if (surface) {
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700901 ret = vmw_kms_new_framebuffer_surface(dev_priv, surface, &vfb,
902 mode_cmd,
903 is_dmabuf_proxy);
Sinclair Yeh05c95012015-08-11 22:53:39 -0700904
905 /*
906 * vmw_create_dmabuf_proxy() adds a reference that is no longer
907 * needed
908 */
909 if (is_dmabuf_proxy)
910 vmw_surface_unreference(&surface);
911 } else if (dmabuf) {
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700912 ret = vmw_kms_new_framebuffer_dmabuf(dev_priv, dmabuf, &vfb,
913 mode_cmd);
Sinclair Yeh05c95012015-08-11 22:53:39 -0700914 } else {
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700915 BUG();
Sinclair Yeh05c95012015-08-11 22:53:39 -0700916 }
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700917
918 if (ret)
919 return ERR_PTR(ret);
920
921 vfb->pin = vmw_framebuffer_pin;
922 vfb->unpin = vmw_framebuffer_unpin;
923
924 return vfb;
925}
926
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000927/*
928 * Generic Kernel modesetting functions
929 */
930
931static struct drm_framebuffer *vmw_kms_fb_create(struct drm_device *dev,
932 struct drm_file *file_priv,
Ville Syrjälä1eb83452015-11-11 19:11:29 +0200933 const struct drm_mode_fb_cmd2 *mode_cmd2)
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000934{
935 struct vmw_private *dev_priv = vmw_priv(dev);
936 struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile;
937 struct vmw_framebuffer *vfb = NULL;
938 struct vmw_surface *surface = NULL;
939 struct vmw_dma_buffer *bo = NULL;
Thomas Hellstrom90ff18b2011-10-04 20:13:32 +0200940 struct ttm_base_object *user_obj;
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800941 struct drm_mode_fb_cmd mode_cmd;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000942 int ret;
943
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800944 mode_cmd.width = mode_cmd2->width;
945 mode_cmd.height = mode_cmd2->height;
946 mode_cmd.pitch = mode_cmd2->pitches[0];
947 mode_cmd.handle = mode_cmd2->handles[0];
Dave Airlie248dbc22011-11-29 20:02:54 +0000948 drm_fb_get_bpp_depth(mode_cmd2->pixel_format, &mode_cmd.depth,
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800949 &mode_cmd.bpp);
950
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200951 /**
952 * This code should be conditioned on Screen Objects not being used.
953 * If screen objects are used, we can allocate a GMR to hold the
954 * requested framebuffer.
955 */
956
Xi Wang8a783892011-12-21 05:18:33 -0500957 if (!vmw_kms_validate_mode_vram(dev_priv,
Linus Torvalds1a464cb2012-01-10 11:04:36 -0800958 mode_cmd.pitch,
959 mode_cmd.height)) {
Sinclair Yehc8261a92015-06-26 01:23:42 -0700960 DRM_ERROR("Requested mode exceed bounding box limit.\n");
Jakob Bornecrantzd9826402011-11-03 21:03:04 +0100961 return ERR_PTR(-ENOMEM);
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200962 }
963
Thomas Hellstrom90ff18b2011-10-04 20:13:32 +0200964 /*
965 * Take a reference on the user object of the resource
966 * backing the kms fb. This ensures that user-space handle
967 * lookups on that resource will always work as long as
968 * it's registered with a kms framebuffer. This is important,
969 * since vmw_execbuf_process identifies resources in the
970 * command stream using user-space handles.
971 */
972
Jesse Barnes308e5bc2011-11-14 14:51:28 -0800973 user_obj = ttm_base_object_lookup(tfile, mode_cmd.handle);
Thomas Hellstrom90ff18b2011-10-04 20:13:32 +0200974 if (unlikely(user_obj == NULL)) {
975 DRM_ERROR("Could not locate requested kms frame buffer.\n");
976 return ERR_PTR(-ENOENT);
977 }
978
Thomas Hellstromd3216a02010-10-05 12:42:59 +0200979 /**
980 * End conditioned code.
981 */
982
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100983 /* returns either a dmabuf or surface */
984 ret = vmw_user_lookup_handle(dev_priv, tfile,
Dave Airlie4cf73122011-12-21 09:50:56 +0000985 mode_cmd.handle,
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100986 &surface, &bo);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000987 if (ret)
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100988 goto err_out;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +0000989
Thomas Hellstromfd006a42015-06-28 02:50:56 -0700990 vfb = vmw_kms_new_framebuffer(dev_priv, bo, surface,
991 !(dev_priv->capabilities & SVGA_CAP_3D),
992 &mode_cmd);
993 if (IS_ERR(vfb)) {
994 ret = PTR_ERR(vfb);
995 goto err_out;
996 }
Jakob Bornecrantz5ffdb652010-01-30 03:38:08 +0000997
Jakob Bornecrantze7ac9212011-11-28 13:19:12 +0100998err_out:
999 /* vmw_user_lookup_handle takes one ref so does new_fb */
1000 if (bo)
1001 vmw_dmabuf_unreference(&bo);
1002 if (surface)
1003 vmw_surface_unreference(&surface);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001004
1005 if (ret) {
1006 DRM_ERROR("failed to create vmw_framebuffer: %i\n", ret);
Thomas Hellstrom90ff18b2011-10-04 20:13:32 +02001007 ttm_base_object_unref(&user_obj);
Chris Wilsoncce13ff2010-08-08 13:36:38 +01001008 return ERR_PTR(ret);
Thomas Hellstrom90ff18b2011-10-04 20:13:32 +02001009 } else
1010 vfb->user_obj = user_obj;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001011
1012 return &vfb->base;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001013}
1014
Laurent Pincharte6ecefa2012-05-17 13:27:23 +02001015static const struct drm_mode_config_funcs vmw_kms_funcs = {
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001016 .fb_create = vmw_kms_fb_create,
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001017};
1018
Thomas Hellstromb9eb1a62015-04-02 02:39:45 -07001019static int vmw_kms_generic_present(struct vmw_private *dev_priv,
1020 struct drm_file *file_priv,
1021 struct vmw_framebuffer *vfb,
1022 struct vmw_surface *surface,
1023 uint32_t sid,
1024 int32_t destX, int32_t destY,
1025 struct drm_vmw_rect *clips,
1026 uint32_t num_clips)
Jakob Bornecrantz2fcd5a72011-10-04 20:13:26 +02001027{
Thomas Hellstrom10b1e0c2015-06-26 02:14:27 -07001028 return vmw_kms_sou_do_surface_dirty(dev_priv, vfb, NULL, clips,
1029 &surface->res, destX, destY,
1030 num_clips, 1, NULL);
Jakob Bornecrantz2fcd5a72011-10-04 20:13:26 +02001031}
1032
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -07001033
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001034int vmw_kms_present(struct vmw_private *dev_priv,
1035 struct drm_file *file_priv,
1036 struct vmw_framebuffer *vfb,
1037 struct vmw_surface *surface,
1038 uint32_t sid,
1039 int32_t destX, int32_t destY,
1040 struct drm_vmw_rect *clips,
1041 uint32_t num_clips)
1042{
Sinclair Yeh35c05122015-06-26 01:42:06 -07001043 int ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001044
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -07001045 switch (dev_priv->active_display_unit) {
1046 case vmw_du_screen_target:
1047 ret = vmw_kms_stdu_surface_dirty(dev_priv, vfb, NULL, clips,
1048 &surface->res, destX, destY,
1049 num_clips, 1, NULL);
1050 break;
1051 case vmw_du_screen_object:
1052 ret = vmw_kms_generic_present(dev_priv, file_priv, vfb, surface,
1053 sid, destX, destY, clips,
1054 num_clips);
1055 break;
1056 default:
1057 WARN_ONCE(true,
1058 "Present called with invalid display system.\n");
1059 ret = -ENOSYS;
1060 break;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +02001061 }
Sinclair Yeh35c05122015-06-26 01:42:06 -07001062 if (ret)
1063 return ret;
Jakob Bornecrantzd7e19582010-05-28 11:21:59 +02001064
Sinclair Yeh35c05122015-06-26 01:42:06 -07001065 vmw_fifo_flush(dev_priv, false);
Michel Dänzer0bef23f2011-08-31 07:42:50 +00001066
Sinclair Yeh35c05122015-06-26 01:42:06 -07001067 return 0;
Thomas Hellstrom7c4f7782010-06-01 11:38:17 +02001068}
1069
1070int vmw_kms_init(struct vmw_private *dev_priv)
1071{
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001072 struct drm_device *dev = dev_priv->dev;
1073 int ret;
Jakob Bornecrantzd8bd19d2010-06-01 11:54:20 +02001074
Thomas Hellstrome133e732010-10-05 12:43:04 +02001075 drm_mode_config_init(dev);
1076 dev->mode_config.funcs = &vmw_kms_funcs;
1077 dev->mode_config.min_width = 1;
1078 dev->mode_config.min_height = 1;
Sinclair Yeh65ade7d2015-07-16 10:49:13 -07001079 dev->mode_config.max_width = dev_priv->texture_max_width;
1080 dev->mode_config.max_height = dev_priv->texture_max_height;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001081
Sinclair Yeh35c05122015-06-26 01:42:06 -07001082 ret = vmw_kms_stdu_init_display(dev_priv);
1083 if (ret) {
1084 ret = vmw_kms_sou_init_display(dev_priv);
1085 if (ret) /* Fallback */
1086 ret = vmw_kms_ldu_init_display(dev_priv);
1087 }
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001088
Sinclair Yehc8261a92015-06-26 01:23:42 -07001089 return ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001090}
1091
1092int vmw_kms_close(struct vmw_private *dev_priv)
1093{
Sinclair Yehc8261a92015-06-26 01:23:42 -07001094 int ret;
1095
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001096 /*
1097 * Docs says we should take the lock before calling this function
1098 * but since it destroys encoders and our destructor calls
1099 * drm_encoder_cleanup which takes the lock we deadlock.
1100 */
1101 drm_mode_config_cleanup(dev_priv->dev);
Sinclair Yehc8261a92015-06-26 01:23:42 -07001102 if (dev_priv->active_display_unit == vmw_du_screen_object)
1103 ret = vmw_kms_sou_close_display(dev_priv);
Sinclair Yeh35c05122015-06-26 01:42:06 -07001104 else if (dev_priv->active_display_unit == vmw_du_screen_target)
1105 ret = vmw_kms_stdu_close_display(dev_priv);
Jakob Bornecrantzc0d18312011-11-09 10:25:26 +01001106 else
Sinclair Yehc8261a92015-06-26 01:23:42 -07001107 ret = vmw_kms_ldu_close_display(dev_priv);
1108
1109 return ret;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001110}
1111
1112int vmw_kms_cursor_bypass_ioctl(struct drm_device *dev, void *data,
1113 struct drm_file *file_priv)
1114{
1115 struct drm_vmw_cursor_bypass_arg *arg = data;
1116 struct vmw_display_unit *du;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001117 struct drm_crtc *crtc;
1118 int ret = 0;
1119
1120
1121 mutex_lock(&dev->mode_config.mutex);
1122 if (arg->flags & DRM_VMW_CURSOR_BYPASS_ALL) {
1123
1124 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
1125 du = vmw_crtc_to_du(crtc);
1126 du->hotspot_x = arg->xhot;
1127 du->hotspot_y = arg->yhot;
1128 }
1129
1130 mutex_unlock(&dev->mode_config.mutex);
1131 return 0;
1132 }
1133
Rob Clarka4cd5d62014-07-17 23:30:02 -04001134 crtc = drm_crtc_find(dev, arg->crtc_id);
1135 if (!crtc) {
Ville Syrjälä4ae87ff2013-10-17 13:35:05 +03001136 ret = -ENOENT;
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001137 goto out;
1138 }
1139
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001140 du = vmw_crtc_to_du(crtc);
1141
1142 du->hotspot_x = arg->xhot;
1143 du->hotspot_y = arg->yhot;
1144
1145out:
1146 mutex_unlock(&dev->mode_config.mutex);
1147
1148 return ret;
1149}
1150
1151int vmw_kms_write_svga(struct vmw_private *vmw_priv,
1152 unsigned width, unsigned height, unsigned pitch,
1153 unsigned bpp, unsigned depth)
1154{
1155 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1156 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK, pitch);
1157 else if (vmw_fifo_have_pitchlock(vmw_priv))
Thomas Hellstromb76ff5e2015-10-28 10:44:04 +01001158 vmw_mmio_write(pitch, vmw_priv->mmio_virt +
1159 SVGA_FIFO_PITCHLOCK);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001160 vmw_write(vmw_priv, SVGA_REG_WIDTH, width);
1161 vmw_write(vmw_priv, SVGA_REG_HEIGHT, height);
1162 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, bpp);
1163
1164 if (vmw_read(vmw_priv, SVGA_REG_DEPTH) != depth) {
1165 DRM_ERROR("Invalid depth %u for %u bpp, host expects %u\n",
1166 depth, bpp, vmw_read(vmw_priv, SVGA_REG_DEPTH));
1167 return -EINVAL;
1168 }
1169
1170 return 0;
1171}
1172
1173int vmw_kms_save_vga(struct vmw_private *vmw_priv)
1174{
1175 struct vmw_vga_topology_state *save;
1176 uint32_t i;
1177
1178 vmw_priv->vga_width = vmw_read(vmw_priv, SVGA_REG_WIDTH);
1179 vmw_priv->vga_height = vmw_read(vmw_priv, SVGA_REG_HEIGHT);
1180 vmw_priv->vga_bpp = vmw_read(vmw_priv, SVGA_REG_BITS_PER_PIXEL);
1181 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1182 vmw_priv->vga_pitchlock =
1183 vmw_read(vmw_priv, SVGA_REG_PITCHLOCK);
1184 else if (vmw_fifo_have_pitchlock(vmw_priv))
Thomas Hellstromb76ff5e2015-10-28 10:44:04 +01001185 vmw_priv->vga_pitchlock = vmw_mmio_read(vmw_priv->mmio_virt +
1186 SVGA_FIFO_PITCHLOCK);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001187
1188 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1189 return 0;
1190
1191 vmw_priv->num_displays = vmw_read(vmw_priv,
1192 SVGA_REG_NUM_GUEST_DISPLAYS);
1193
1194 if (vmw_priv->num_displays == 0)
1195 vmw_priv->num_displays = 1;
1196
1197 for (i = 0; i < vmw_priv->num_displays; ++i) {
1198 save = &vmw_priv->vga_save[i];
1199 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1200 save->primary = vmw_read(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY);
1201 save->pos_x = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_X);
1202 save->pos_y = vmw_read(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y);
1203 save->width = vmw_read(vmw_priv, SVGA_REG_DISPLAY_WIDTH);
1204 save->height = vmw_read(vmw_priv, SVGA_REG_DISPLAY_HEIGHT);
1205 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1206 if (i == 0 && vmw_priv->num_displays == 1 &&
1207 save->width == 0 && save->height == 0) {
1208
1209 /*
1210 * It should be fairly safe to assume that these
1211 * values are uninitialized.
1212 */
1213
1214 save->width = vmw_priv->vga_width - save->pos_x;
1215 save->height = vmw_priv->vga_height - save->pos_y;
1216 }
1217 }
1218
1219 return 0;
1220}
1221
1222int vmw_kms_restore_vga(struct vmw_private *vmw_priv)
1223{
1224 struct vmw_vga_topology_state *save;
1225 uint32_t i;
1226
1227 vmw_write(vmw_priv, SVGA_REG_WIDTH, vmw_priv->vga_width);
1228 vmw_write(vmw_priv, SVGA_REG_HEIGHT, vmw_priv->vga_height);
1229 vmw_write(vmw_priv, SVGA_REG_BITS_PER_PIXEL, vmw_priv->vga_bpp);
1230 if (vmw_priv->capabilities & SVGA_CAP_PITCHLOCK)
1231 vmw_write(vmw_priv, SVGA_REG_PITCHLOCK,
1232 vmw_priv->vga_pitchlock);
1233 else if (vmw_fifo_have_pitchlock(vmw_priv))
Thomas Hellstromb76ff5e2015-10-28 10:44:04 +01001234 vmw_mmio_write(vmw_priv->vga_pitchlock,
1235 vmw_priv->mmio_virt + SVGA_FIFO_PITCHLOCK);
Jakob Bornecrantzfb1d9732009-12-10 00:19:58 +00001236
1237 if (!(vmw_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY))
1238 return 0;
1239
1240 for (i = 0; i < vmw_priv->num_displays; ++i) {
1241 save = &vmw_priv->vga_save[i];
1242 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, i);
1243 vmw_write(vmw_priv, SVGA_REG_DISPLAY_IS_PRIMARY, save->primary);
1244 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_X, save->pos_x);
1245 vmw_write(vmw_priv, SVGA_REG_DISPLAY_POSITION_Y, save->pos_y);
1246 vmw_write(vmw_priv, SVGA_REG_DISPLAY_WIDTH, save->width);
1247 vmw_write(vmw_priv, SVGA_REG_DISPLAY_HEIGHT, save->height);
1248 vmw_write(vmw_priv, SVGA_REG_DISPLAY_ID, SVGA_ID_INVALID);
1249 }
1250
1251 return 0;
1252}
Jakob Bornecrantzd8bd19d2010-06-01 11:54:20 +02001253
1254bool vmw_kms_validate_mode_vram(struct vmw_private *dev_priv,
1255 uint32_t pitch,
1256 uint32_t height)
1257{
Sinclair Yeh35c05122015-06-26 01:42:06 -07001258 return ((u64) pitch * (u64) height) < (u64)
1259 ((dev_priv->active_display_unit == vmw_du_screen_target) ?
1260 dev_priv->prim_bb_mem : dev_priv->vram_size);
Thomas Hellstrome133e732010-10-05 12:43:04 +02001261}
1262
Jakob Bornecrantz1c482ab2011-10-17 11:59:45 +02001263
1264/**
1265 * Function called by DRM code called with vbl_lock held.
1266 */
Thierry Reding88e72712015-09-24 18:35:31 +02001267u32 vmw_get_vblank_counter(struct drm_device *dev, unsigned int pipe)
Thomas Hellstrom7a1c2f62010-10-01 10:21:49 +02001268{
1269 return 0;
1270}
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001271
Jakob Bornecrantz1c482ab2011-10-17 11:59:45 +02001272/**
1273 * Function called by DRM code called with vbl_lock held.
1274 */
Thierry Reding88e72712015-09-24 18:35:31 +02001275int vmw_enable_vblank(struct drm_device *dev, unsigned int pipe)
Jakob Bornecrantz1c482ab2011-10-17 11:59:45 +02001276{
1277 return -ENOSYS;
1278}
1279
1280/**
1281 * Function called by DRM code called with vbl_lock held.
1282 */
Thierry Reding88e72712015-09-24 18:35:31 +02001283void vmw_disable_vblank(struct drm_device *dev, unsigned int pipe)
Jakob Bornecrantz1c482ab2011-10-17 11:59:45 +02001284{
1285}
1286
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001287
1288/*
1289 * Small shared kms functions.
1290 */
1291
Rashika Kheria847c5962014-01-06 22:18:10 +05301292static int vmw_du_update_layout(struct vmw_private *dev_priv, unsigned num,
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001293 struct drm_vmw_rect *rects)
1294{
1295 struct drm_device *dev = dev_priv->dev;
1296 struct vmw_display_unit *du;
1297 struct drm_connector *con;
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001298
1299 mutex_lock(&dev->mode_config.mutex);
1300
1301#if 0
Thomas Hellstrom6ea77d12011-10-04 20:13:36 +02001302 {
1303 unsigned int i;
1304
1305 DRM_INFO("%s: new layout ", __func__);
1306 for (i = 0; i < num; i++)
1307 DRM_INFO("(%i, %i %ux%u) ", rects[i].x, rects[i].y,
1308 rects[i].w, rects[i].h);
1309 DRM_INFO("\n");
1310 }
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001311#endif
1312
1313 list_for_each_entry(con, &dev->mode_config.connector_list, head) {
1314 du = vmw_connector_to_du(con);
1315 if (num > du->unit) {
1316 du->pref_width = rects[du->unit].w;
1317 du->pref_height = rects[du->unit].h;
1318 du->pref_active = true;
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001319 du->gui_x = rects[du->unit].x;
1320 du->gui_y = rects[du->unit].y;
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001321 } else {
1322 du->pref_width = 800;
1323 du->pref_height = 600;
1324 du->pref_active = false;
1325 }
1326 con->status = vmw_du_connector_detect(con, true);
1327 }
1328
1329 mutex_unlock(&dev->mode_config.mutex);
1330
1331 return 0;
1332}
1333
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001334void vmw_du_crtc_gamma_set(struct drm_crtc *crtc,
1335 u16 *r, u16 *g, u16 *b,
1336 uint32_t start, uint32_t size)
1337{
1338 struct vmw_private *dev_priv = vmw_priv(crtc->dev);
1339 int i;
1340
1341 for (i = 0; i < size; i++) {
1342 DRM_DEBUG("%d r/g/b = 0x%04x / 0x%04x / 0x%04x\n", i,
1343 r[i], g[i], b[i]);
1344 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 0, r[i] >> 8);
1345 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 1, g[i] >> 8);
1346 vmw_write(dev_priv, SVGA_PALETTE_BASE + i * 3 + 2, b[i] >> 8);
1347 }
1348}
1349
Maarten Lankhorst9a69a9a2015-07-21 11:34:55 +02001350int vmw_du_connector_dpms(struct drm_connector *connector, int mode)
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001351{
Maarten Lankhorst9a69a9a2015-07-21 11:34:55 +02001352 return 0;
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001353}
1354
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001355enum drm_connector_status
1356vmw_du_connector_detect(struct drm_connector *connector, bool force)
1357{
1358 uint32_t num_displays;
1359 struct drm_device *dev = connector->dev;
1360 struct vmw_private *dev_priv = vmw_priv(dev);
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001361 struct vmw_display_unit *du = vmw_connector_to_du(connector);
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001362
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001363 num_displays = vmw_read(dev_priv, SVGA_REG_NUM_DISPLAYS);
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001364
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001365 return ((vmw_connector_to_du(connector)->unit < num_displays &&
1366 du->pref_active) ?
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001367 connector_status_connected : connector_status_disconnected);
1368}
1369
1370static struct drm_display_mode vmw_kms_connector_builtin[] = {
1371 /* 640x480@60Hz */
1372 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
1373 752, 800, 0, 480, 489, 492, 525, 0,
1374 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1375 /* 800x600@60Hz */
1376 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
1377 968, 1056, 0, 600, 601, 605, 628, 0,
1378 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1379 /* 1024x768@60Hz */
1380 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
1381 1184, 1344, 0, 768, 771, 777, 806, 0,
1382 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
1383 /* 1152x864@75Hz */
1384 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
1385 1344, 1600, 0, 864, 865, 868, 900, 0,
1386 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1387 /* 1280x768@60Hz */
1388 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
1389 1472, 1664, 0, 768, 771, 778, 798, 0,
1390 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1391 /* 1280x800@60Hz */
1392 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
1393 1480, 1680, 0, 800, 803, 809, 831, 0,
1394 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
1395 /* 1280x960@60Hz */
1396 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
1397 1488, 1800, 0, 960, 961, 964, 1000, 0,
1398 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1399 /* 1280x1024@60Hz */
1400 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
1401 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
1402 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1403 /* 1360x768@60Hz */
1404 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
1405 1536, 1792, 0, 768, 771, 777, 795, 0,
1406 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1407 /* 1440x1050@60Hz */
1408 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
1409 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
1410 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1411 /* 1440x900@60Hz */
1412 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
1413 1672, 1904, 0, 900, 903, 909, 934, 0,
1414 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1415 /* 1600x1200@60Hz */
1416 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
1417 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
1418 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
1419 /* 1680x1050@60Hz */
1420 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
1421 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
1422 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1423 /* 1792x1344@60Hz */
1424 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
1425 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
1426 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1427 /* 1853x1392@60Hz */
1428 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
1429 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
1430 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1431 /* 1920x1200@60Hz */
1432 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
1433 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
1434 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1435 /* 1920x1440@60Hz */
1436 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
1437 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
1438 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1439 /* 2560x1600@60Hz */
1440 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
1441 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
1442 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
1443 /* Terminate */
1444 { DRM_MODE("", 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) },
1445};
1446
Thomas Hellstrom1543b4d2011-11-02 09:43:10 +01001447/**
1448 * vmw_guess_mode_timing - Provide fake timings for a
1449 * 60Hz vrefresh mode.
1450 *
1451 * @mode - Pointer to a struct drm_display_mode with hdisplay and vdisplay
1452 * members filled in.
1453 */
Thomas Hellstroma2787242015-06-29 12:55:07 -07001454void vmw_guess_mode_timing(struct drm_display_mode *mode)
Thomas Hellstrom1543b4d2011-11-02 09:43:10 +01001455{
1456 mode->hsync_start = mode->hdisplay + 50;
1457 mode->hsync_end = mode->hsync_start + 50;
1458 mode->htotal = mode->hsync_end + 50;
1459
1460 mode->vsync_start = mode->vdisplay + 50;
1461 mode->vsync_end = mode->vsync_start + 50;
1462 mode->vtotal = mode->vsync_end + 50;
1463
1464 mode->clock = (u32)mode->htotal * (u32)mode->vtotal / 100 * 6;
1465 mode->vrefresh = drm_mode_vrefresh(mode);
1466}
1467
1468
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001469int vmw_du_connector_fill_modes(struct drm_connector *connector,
1470 uint32_t max_width, uint32_t max_height)
1471{
1472 struct vmw_display_unit *du = vmw_connector_to_du(connector);
1473 struct drm_device *dev = connector->dev;
1474 struct vmw_private *dev_priv = vmw_priv(dev);
1475 struct drm_display_mode *mode = NULL;
1476 struct drm_display_mode *bmode;
1477 struct drm_display_mode prefmode = { DRM_MODE("preferred",
1478 DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,
1479 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
1480 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC)
1481 };
1482 int i;
Sinclair Yeh9a723842014-10-31 09:58:06 +01001483 u32 assumed_bpp = 2;
1484
1485 /*
1486 * If using screen objects, then assume 32-bpp because that's what the
1487 * SVGA device is assuming
1488 */
Sinclair Yehc8261a92015-06-26 01:23:42 -07001489 if (dev_priv->active_display_unit == vmw_du_screen_object)
Sinclair Yeh9a723842014-10-31 09:58:06 +01001490 assumed_bpp = 4;
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001491
Sinclair Yeh35c05122015-06-26 01:42:06 -07001492 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1493 max_width = min(max_width, dev_priv->stdu_max_width);
1494 max_height = min(max_height, dev_priv->stdu_max_height);
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001495 }
1496
1497 /* Add preferred mode */
Sinclair Yehc8261a92015-06-26 01:23:42 -07001498 mode = drm_mode_duplicate(dev, &prefmode);
1499 if (!mode)
1500 return 0;
1501 mode->hdisplay = du->pref_width;
1502 mode->vdisplay = du->pref_height;
1503 vmw_guess_mode_timing(mode);
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001504
Sinclair Yehc8261a92015-06-26 01:23:42 -07001505 if (vmw_kms_validate_mode_vram(dev_priv,
1506 mode->hdisplay * assumed_bpp,
1507 mode->vdisplay)) {
1508 drm_mode_probed_add(connector, mode);
1509 } else {
1510 drm_mode_destroy(dev, mode);
1511 mode = NULL;
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001512 }
1513
Sinclair Yehc8261a92015-06-26 01:23:42 -07001514 if (du->pref_mode) {
1515 list_del_init(&du->pref_mode->head);
1516 drm_mode_destroy(dev, du->pref_mode);
1517 }
1518
1519 /* mode might be null here, this is intended */
1520 du->pref_mode = mode;
1521
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001522 for (i = 0; vmw_kms_connector_builtin[i].type != 0; i++) {
1523 bmode = &vmw_kms_connector_builtin[i];
1524 if (bmode->hdisplay > max_width ||
1525 bmode->vdisplay > max_height)
1526 continue;
1527
Sinclair Yeh9a723842014-10-31 09:58:06 +01001528 if (!vmw_kms_validate_mode_vram(dev_priv,
1529 bmode->hdisplay * assumed_bpp,
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001530 bmode->vdisplay))
1531 continue;
1532
1533 mode = drm_mode_duplicate(dev, bmode);
1534 if (!mode)
1535 return 0;
1536 mode->vrefresh = drm_mode_vrefresh(mode);
1537
1538 drm_mode_probed_add(connector, mode);
1539 }
1540
Ville Syrjälä6af3e652015-12-03 23:14:14 +02001541 drm_mode_connector_list_update(connector);
Thomas Hellstromf6b05002015-06-29 12:59:58 -07001542 /* Move the prefered mode first, help apps pick the right mode. */
1543 drm_mode_sort(&connector->modes);
Jakob Bornecrantz626ab772011-10-04 20:13:20 +02001544
1545 return 1;
1546}
1547
1548int vmw_du_connector_set_property(struct drm_connector *connector,
1549 struct drm_property *property,
1550 uint64_t val)
1551{
1552 return 0;
1553}
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001554
1555
1556int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data,
1557 struct drm_file *file_priv)
1558{
1559 struct vmw_private *dev_priv = vmw_priv(dev);
1560 struct drm_vmw_update_layout_arg *arg =
1561 (struct drm_vmw_update_layout_arg *)data;
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001562 void __user *user_rects;
1563 struct drm_vmw_rect *rects;
1564 unsigned rects_size;
1565 int ret;
1566 int i;
Sinclair Yeh65ade7d2015-07-16 10:49:13 -07001567 u64 total_pixels = 0;
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001568 struct drm_mode_config *mode_config = &dev->mode_config;
Sinclair Yehc8261a92015-06-26 01:23:42 -07001569 struct drm_vmw_rect bounding_box = {0};
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001570
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001571 if (!arg->num_outputs) {
1572 struct drm_vmw_rect def_rect = {0, 0, 800, 600};
1573 vmw_du_update_layout(dev_priv, 1, &def_rect);
Thomas Hellstrom5151adb2015-03-09 01:56:21 -07001574 return 0;
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001575 }
1576
1577 rects_size = arg->num_outputs * sizeof(struct drm_vmw_rect);
Xi Wangbab9efc2011-11-28 12:25:43 +01001578 rects = kcalloc(arg->num_outputs, sizeof(struct drm_vmw_rect),
1579 GFP_KERNEL);
Thomas Hellstrom5151adb2015-03-09 01:56:21 -07001580 if (unlikely(!rects))
1581 return -ENOMEM;
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001582
1583 user_rects = (void __user *)(unsigned long)arg->rects;
1584 ret = copy_from_user(rects, user_rects, rects_size);
1585 if (unlikely(ret != 0)) {
1586 DRM_ERROR("Failed to get rects.\n");
1587 ret = -EFAULT;
1588 goto out_free;
1589 }
1590
1591 for (i = 0; i < arg->num_outputs; ++i) {
Xi Wangbab9efc2011-11-28 12:25:43 +01001592 if (rects[i].x < 0 ||
1593 rects[i].y < 0 ||
1594 rects[i].x + rects[i].w > mode_config->max_width ||
1595 rects[i].y + rects[i].h > mode_config->max_height) {
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001596 DRM_ERROR("Invalid GUI layout.\n");
1597 ret = -EINVAL;
1598 goto out_free;
1599 }
Sinclair Yehc8261a92015-06-26 01:23:42 -07001600
1601 /*
1602 * bounding_box.w and bunding_box.h are used as
1603 * lower-right coordinates
1604 */
1605 if (rects[i].x + rects[i].w > bounding_box.w)
1606 bounding_box.w = rects[i].x + rects[i].w;
1607
1608 if (rects[i].y + rects[i].h > bounding_box.h)
1609 bounding_box.h = rects[i].y + rects[i].h;
Sinclair Yeh65ade7d2015-07-16 10:49:13 -07001610
1611 total_pixels += (u64) rects[i].w * (u64) rects[i].h;
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001612 }
1613
Sinclair Yeh65ade7d2015-07-16 10:49:13 -07001614 if (dev_priv->active_display_unit == vmw_du_screen_target) {
1615 /*
1616 * For Screen Targets, the limits for a toplogy are:
1617 * 1. Bounding box (assuming 32bpp) must be < prim_bb_mem
1618 * 2. Total pixels (assuming 32bpp) must be < prim_bb_mem
1619 */
1620 u64 bb_mem = bounding_box.w * bounding_box.h * 4;
1621 u64 pixel_mem = total_pixels * 4;
1622
1623 if (bb_mem > dev_priv->prim_bb_mem) {
1624 DRM_ERROR("Topology is beyond supported limits.\n");
Sinclair Yeh35c05122015-06-26 01:42:06 -07001625 ret = -EINVAL;
1626 goto out_free;
1627 }
1628
Sinclair Yeh65ade7d2015-07-16 10:49:13 -07001629 if (pixel_mem > dev_priv->prim_bb_mem) {
1630 DRM_ERROR("Combined output size too large\n");
1631 ret = -EINVAL;
1632 goto out_free;
1633 }
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001634 }
1635
1636 vmw_du_update_layout(dev_priv, arg->num_outputs, rects);
1637
1638out_free:
1639 kfree(rects);
Thomas Hellstromcd2b89e2011-10-25 23:35:53 +02001640 return ret;
1641}
Thomas Hellstrom1a4b1722015-06-26 02:03:53 -07001642
1643/**
1644 * vmw_kms_helper_dirty - Helper to build commands and perform actions based
1645 * on a set of cliprects and a set of display units.
1646 *
1647 * @dev_priv: Pointer to a device private structure.
1648 * @framebuffer: Pointer to the framebuffer on which to perform the actions.
1649 * @clips: A set of struct drm_clip_rect. Either this os @vclips must be NULL.
1650 * Cliprects are given in framebuffer coordinates.
1651 * @vclips: A set of struct drm_vmw_rect cliprects. Either this or @clips must
1652 * be NULL. Cliprects are given in source coordinates.
1653 * @dest_x: X coordinate offset for the crtc / destination clip rects.
1654 * @dest_y: Y coordinate offset for the crtc / destination clip rects.
1655 * @num_clips: Number of cliprects in the @clips or @vclips array.
1656 * @increment: Integer with which to increment the clip counter when looping.
1657 * Used to skip a predetermined number of clip rects.
1658 * @dirty: Closure structure. See the description of struct vmw_kms_dirty.
1659 */
1660int vmw_kms_helper_dirty(struct vmw_private *dev_priv,
1661 struct vmw_framebuffer *framebuffer,
1662 const struct drm_clip_rect *clips,
1663 const struct drm_vmw_rect *vclips,
1664 s32 dest_x, s32 dest_y,
1665 int num_clips,
1666 int increment,
1667 struct vmw_kms_dirty *dirty)
1668{
1669 struct vmw_display_unit *units[VMWGFX_NUM_DISPLAY_UNITS];
1670 struct drm_crtc *crtc;
1671 u32 num_units = 0;
1672 u32 i, k;
Thomas Hellstrom1a4b1722015-06-26 02:03:53 -07001673
1674 dirty->dev_priv = dev_priv;
1675
1676 list_for_each_entry(crtc, &dev_priv->dev->mode_config.crtc_list, head) {
1677 if (crtc->primary->fb != &framebuffer->base)
1678 continue;
1679 units[num_units++] = vmw_crtc_to_du(crtc);
1680 }
1681
1682 for (k = 0; k < num_units; k++) {
1683 struct vmw_display_unit *unit = units[k];
1684 s32 crtc_x = unit->crtc.x;
1685 s32 crtc_y = unit->crtc.y;
1686 s32 crtc_width = unit->crtc.mode.hdisplay;
1687 s32 crtc_height = unit->crtc.mode.vdisplay;
1688 const struct drm_clip_rect *clips_ptr = clips;
1689 const struct drm_vmw_rect *vclips_ptr = vclips;
1690
1691 dirty->unit = unit;
1692 if (dirty->fifo_reserve_size > 0) {
1693 dirty->cmd = vmw_fifo_reserve(dev_priv,
1694 dirty->fifo_reserve_size);
1695 if (!dirty->cmd) {
1696 DRM_ERROR("Couldn't reserve fifo space "
1697 "for dirty blits.\n");
Christian Engelmayerf3b8c0c2015-09-19 00:32:24 +02001698 return -ENOMEM;
Thomas Hellstrom1a4b1722015-06-26 02:03:53 -07001699 }
1700 memset(dirty->cmd, 0, dirty->fifo_reserve_size);
1701 }
1702 dirty->num_hits = 0;
1703 for (i = 0; i < num_clips; i++, clips_ptr += increment,
1704 vclips_ptr += increment) {
1705 s32 clip_left;
1706 s32 clip_top;
1707
1708 /*
1709 * Select clip array type. Note that integer type
1710 * in @clips is unsigned short, whereas in @vclips
1711 * it's 32-bit.
1712 */
1713 if (clips) {
1714 dirty->fb_x = (s32) clips_ptr->x1;
1715 dirty->fb_y = (s32) clips_ptr->y1;
1716 dirty->unit_x2 = (s32) clips_ptr->x2 + dest_x -
1717 crtc_x;
1718 dirty->unit_y2 = (s32) clips_ptr->y2 + dest_y -
1719 crtc_y;
1720 } else {
1721 dirty->fb_x = vclips_ptr->x;
1722 dirty->fb_y = vclips_ptr->y;
1723 dirty->unit_x2 = dirty->fb_x + vclips_ptr->w +
1724 dest_x - crtc_x;
1725 dirty->unit_y2 = dirty->fb_y + vclips_ptr->h +
1726 dest_y - crtc_y;
1727 }
1728
1729 dirty->unit_x1 = dirty->fb_x + dest_x - crtc_x;
1730 dirty->unit_y1 = dirty->fb_y + dest_y - crtc_y;
1731
1732 /* Skip this clip if it's outside the crtc region */
1733 if (dirty->unit_x1 >= crtc_width ||
1734 dirty->unit_y1 >= crtc_height ||
1735 dirty->unit_x2 <= 0 || dirty->unit_y2 <= 0)
1736 continue;
1737
1738 /* Clip right and bottom to crtc limits */
1739 dirty->unit_x2 = min_t(s32, dirty->unit_x2,
1740 crtc_width);
1741 dirty->unit_y2 = min_t(s32, dirty->unit_y2,
1742 crtc_height);
1743
1744 /* Clip left and top to crtc limits */
1745 clip_left = min_t(s32, dirty->unit_x1, 0);
1746 clip_top = min_t(s32, dirty->unit_y1, 0);
1747 dirty->unit_x1 -= clip_left;
1748 dirty->unit_y1 -= clip_top;
1749 dirty->fb_x -= clip_left;
1750 dirty->fb_y -= clip_top;
1751
1752 dirty->clip(dirty);
1753 }
1754
1755 dirty->fifo_commit(dirty);
1756 }
1757
1758 return 0;
1759}
1760
1761/**
1762 * vmw_kms_helper_buffer_prepare - Reserve and validate a buffer object before
1763 * command submission.
1764 *
1765 * @dev_priv. Pointer to a device private structure.
1766 * @buf: The buffer object
1767 * @interruptible: Whether to perform waits as interruptible.
1768 * @validate_as_mob: Whether the buffer should be validated as a MOB. If false,
1769 * The buffer will be validated as a GMR. Already pinned buffers will not be
1770 * validated.
1771 *
1772 * Returns 0 on success, negative error code on failure, -ERESTARTSYS if
1773 * interrupted by a signal.
1774 */
1775int vmw_kms_helper_buffer_prepare(struct vmw_private *dev_priv,
1776 struct vmw_dma_buffer *buf,
1777 bool interruptible,
1778 bool validate_as_mob)
1779{
1780 struct ttm_buffer_object *bo = &buf->base;
1781 int ret;
1782
Thomas Hellstromb9eb1a62015-04-02 02:39:45 -07001783 ttm_bo_reserve(bo, false, false, interruptible, NULL);
Thomas Hellstrom1a4b1722015-06-26 02:03:53 -07001784 ret = vmw_validate_single_buffer(dev_priv, bo, interruptible,
1785 validate_as_mob);
1786 if (ret)
1787 ttm_bo_unreserve(bo);
1788
1789 return ret;
1790}
1791
1792/**
1793 * vmw_kms_helper_buffer_revert - Undo the actions of
1794 * vmw_kms_helper_buffer_prepare.
1795 *
1796 * @res: Pointer to the buffer object.
1797 *
1798 * Helper to be used if an error forces the caller to undo the actions of
1799 * vmw_kms_helper_buffer_prepare.
1800 */
1801void vmw_kms_helper_buffer_revert(struct vmw_dma_buffer *buf)
1802{
1803 if (buf)
1804 ttm_bo_unreserve(&buf->base);
1805}
1806
1807/**
1808 * vmw_kms_helper_buffer_finish - Unreserve and fence a buffer object after
1809 * kms command submission.
1810 *
1811 * @dev_priv: Pointer to a device private structure.
1812 * @file_priv: Pointer to a struct drm_file representing the caller's
1813 * connection. Must be set to NULL if @user_fence_rep is NULL, and conversely
1814 * if non-NULL, @user_fence_rep must be non-NULL.
1815 * @buf: The buffer object.
1816 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1817 * ref-counted fence pointer is returned here.
1818 * @user_fence_rep: Optional pointer to a user-space provided struct
1819 * drm_vmw_fence_rep. If provided, @file_priv must also be provided and the
1820 * function copies fence data to user-space in a fail-safe manner.
1821 */
1822void vmw_kms_helper_buffer_finish(struct vmw_private *dev_priv,
1823 struct drm_file *file_priv,
1824 struct vmw_dma_buffer *buf,
1825 struct vmw_fence_obj **out_fence,
1826 struct drm_vmw_fence_rep __user *
1827 user_fence_rep)
1828{
1829 struct vmw_fence_obj *fence;
1830 uint32_t handle;
1831 int ret;
1832
1833 ret = vmw_execbuf_fence_commands(file_priv, dev_priv, &fence,
1834 file_priv ? &handle : NULL);
1835 if (buf)
1836 vmw_fence_single_bo(&buf->base, fence);
1837 if (file_priv)
1838 vmw_execbuf_copy_fence_user(dev_priv, vmw_fpriv(file_priv),
1839 ret, user_fence_rep, fence,
1840 handle);
1841 if (out_fence)
1842 *out_fence = fence;
1843 else
1844 vmw_fence_obj_unreference(&fence);
1845
1846 vmw_kms_helper_buffer_revert(buf);
1847}
1848
1849
1850/**
1851 * vmw_kms_helper_resource_revert - Undo the actions of
1852 * vmw_kms_helper_resource_prepare.
1853 *
1854 * @res: Pointer to the resource. Typically a surface.
1855 *
1856 * Helper to be used if an error forces the caller to undo the actions of
1857 * vmw_kms_helper_resource_prepare.
1858 */
1859void vmw_kms_helper_resource_revert(struct vmw_resource *res)
1860{
1861 vmw_kms_helper_buffer_revert(res->backup);
Thomas Hellstromd80efd52015-08-10 10:39:35 -07001862 vmw_resource_unreserve(res, false, NULL, 0);
Thomas Hellstrom1a4b1722015-06-26 02:03:53 -07001863 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1864}
1865
1866/**
1867 * vmw_kms_helper_resource_prepare - Reserve and validate a resource before
1868 * command submission.
1869 *
1870 * @res: Pointer to the resource. Typically a surface.
1871 * @interruptible: Whether to perform waits as interruptible.
1872 *
1873 * Reserves and validates also the backup buffer if a guest-backed resource.
1874 * Returns 0 on success, negative error code on failure. -ERESTARTSYS if
1875 * interrupted by a signal.
1876 */
1877int vmw_kms_helper_resource_prepare(struct vmw_resource *res,
1878 bool interruptible)
1879{
1880 int ret = 0;
1881
1882 if (interruptible)
1883 ret = mutex_lock_interruptible(&res->dev_priv->cmdbuf_mutex);
1884 else
1885 mutex_lock(&res->dev_priv->cmdbuf_mutex);
1886
1887 if (unlikely(ret != 0))
1888 return -ERESTARTSYS;
1889
1890 ret = vmw_resource_reserve(res, interruptible, false);
1891 if (ret)
1892 goto out_unlock;
1893
1894 if (res->backup) {
1895 ret = vmw_kms_helper_buffer_prepare(res->dev_priv, res->backup,
1896 interruptible,
1897 res->dev_priv->has_mob);
1898 if (ret)
1899 goto out_unreserve;
1900 }
1901 ret = vmw_resource_validate(res);
1902 if (ret)
1903 goto out_revert;
1904 return 0;
1905
1906out_revert:
1907 vmw_kms_helper_buffer_revert(res->backup);
1908out_unreserve:
Thomas Hellstromd80efd52015-08-10 10:39:35 -07001909 vmw_resource_unreserve(res, false, NULL, 0);
Thomas Hellstrom1a4b1722015-06-26 02:03:53 -07001910out_unlock:
1911 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1912 return ret;
1913}
1914
1915/**
1916 * vmw_kms_helper_resource_finish - Unreserve and fence a resource after
1917 * kms command submission.
1918 *
1919 * @res: Pointer to the resource. Typically a surface.
1920 * @out_fence: Optional pointer to a fence pointer. If non-NULL, a
1921 * ref-counted fence pointer is returned here.
1922 */
1923void vmw_kms_helper_resource_finish(struct vmw_resource *res,
1924 struct vmw_fence_obj **out_fence)
1925{
1926 if (res->backup || out_fence)
1927 vmw_kms_helper_buffer_finish(res->dev_priv, NULL, res->backup,
1928 out_fence, NULL);
1929
Thomas Hellstromd80efd52015-08-10 10:39:35 -07001930 vmw_resource_unreserve(res, false, NULL, 0);
Thomas Hellstrom1a4b1722015-06-26 02:03:53 -07001931 mutex_unlock(&res->dev_priv->cmdbuf_mutex);
1932}
Thomas Hellstrom6bf6bf02015-06-26 02:22:40 -07001933
1934/**
1935 * vmw_kms_update_proxy - Helper function to update a proxy surface from
1936 * its backing MOB.
1937 *
1938 * @res: Pointer to the surface resource
1939 * @clips: Clip rects in framebuffer (surface) space.
1940 * @num_clips: Number of clips in @clips.
1941 * @increment: Integer with which to increment the clip counter when looping.
1942 * Used to skip a predetermined number of clip rects.
1943 *
1944 * This function makes sure the proxy surface is updated from its backing MOB
1945 * using the region given by @clips. The surface resource @res and its backing
1946 * MOB needs to be reserved and validated on call.
1947 */
1948int vmw_kms_update_proxy(struct vmw_resource *res,
1949 const struct drm_clip_rect *clips,
1950 unsigned num_clips,
1951 int increment)
1952{
1953 struct vmw_private *dev_priv = res->dev_priv;
1954 struct drm_vmw_size *size = &vmw_res_to_srf(res)->base_size;
1955 struct {
1956 SVGA3dCmdHeader header;
1957 SVGA3dCmdUpdateGBImage body;
1958 } *cmd;
1959 SVGA3dBox *box;
1960 size_t copy_size = 0;
1961 int i;
1962
1963 if (!clips)
1964 return 0;
1965
1966 cmd = vmw_fifo_reserve(dev_priv, sizeof(*cmd) * num_clips);
1967 if (!cmd) {
1968 DRM_ERROR("Couldn't reserve fifo space for proxy surface "
1969 "update.\n");
1970 return -ENOMEM;
1971 }
1972
1973 for (i = 0; i < num_clips; ++i, clips += increment, ++cmd) {
1974 box = &cmd->body.box;
1975
1976 cmd->header.id = SVGA_3D_CMD_UPDATE_GB_IMAGE;
1977 cmd->header.size = sizeof(cmd->body);
1978 cmd->body.image.sid = res->id;
1979 cmd->body.image.face = 0;
1980 cmd->body.image.mipmap = 0;
1981
1982 if (clips->x1 > size->width || clips->x2 > size->width ||
1983 clips->y1 > size->height || clips->y2 > size->height) {
1984 DRM_ERROR("Invalid clips outsize of framebuffer.\n");
1985 return -EINVAL;
1986 }
1987
1988 box->x = clips->x1;
1989 box->y = clips->y1;
1990 box->z = 0;
1991 box->w = clips->x2 - clips->x1;
1992 box->h = clips->y2 - clips->y1;
1993 box->d = 1;
1994
1995 copy_size += sizeof(*cmd);
1996 }
1997
1998 vmw_fifo_commit(dev_priv, copy_size);
1999
2000 return 0;
2001}
Thomas Hellstroma2787242015-06-29 12:55:07 -07002002
2003int vmw_kms_fbdev_init_data(struct vmw_private *dev_priv,
2004 unsigned unit,
2005 u32 max_width,
2006 u32 max_height,
2007 struct drm_connector **p_con,
2008 struct drm_crtc **p_crtc,
2009 struct drm_display_mode **p_mode)
2010{
2011 struct drm_connector *con;
2012 struct vmw_display_unit *du;
2013 struct drm_display_mode *mode;
2014 int i = 0;
2015
2016 list_for_each_entry(con, &dev_priv->dev->mode_config.connector_list,
2017 head) {
2018 if (i == unit)
2019 break;
2020
2021 ++i;
2022 }
2023
2024 if (i != unit) {
2025 DRM_ERROR("Could not find initial display unit.\n");
2026 return -EINVAL;
2027 }
2028
2029 if (list_empty(&con->modes))
2030 (void) vmw_du_connector_fill_modes(con, max_width, max_height);
2031
2032 if (list_empty(&con->modes)) {
2033 DRM_ERROR("Could not find initial display mode.\n");
2034 return -EINVAL;
2035 }
2036
2037 du = vmw_connector_to_du(con);
2038 *p_con = con;
2039 *p_crtc = &du->crtc;
2040
2041 list_for_each_entry(mode, &con->modes, head) {
2042 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2043 break;
2044 }
2045
2046 if (mode->type & DRM_MODE_TYPE_PREFERRED)
2047 *p_mode = mode;
2048 else {
2049 WARN_ONCE(true, "Could not find initial preferred mode.\n");
2050 *p_mode = list_first_entry(&con->modes,
2051 struct drm_display_mode,
2052 head);
2053 }
2054
2055 return 0;
2056}