Merge tag 'v3.3.7' into 3.3/master
[zen-stable.git] / drivers / gpu / drm / vmwgfx / vmwgfx_drv.c
blobf390f5f9cb684f64fc2e0dbb390a713841f296f2
1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
4 * All Rights Reserved.
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:
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.
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.
26 **************************************************************************/
27 #include <linux/module.h>
29 #include "drmP.h"
30 #include "vmwgfx_drv.h"
31 #include "ttm/ttm_placement.h"
32 #include "ttm/ttm_bo_driver.h"
33 #include "ttm/ttm_object.h"
34 #include "ttm/ttm_module.h"
36 #define VMWGFX_DRIVER_NAME "vmwgfx"
37 #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
38 #define VMWGFX_CHIP_SVGAII 0
39 #define VMW_FB_RESERVATION 0
41 /**
42 * Fully encoded drm commands. Might move to vmw_drm.h
45 #define DRM_IOCTL_VMW_GET_PARAM \
46 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM, \
47 struct drm_vmw_getparam_arg)
48 #define DRM_IOCTL_VMW_ALLOC_DMABUF \
49 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF, \
50 union drm_vmw_alloc_dmabuf_arg)
51 #define DRM_IOCTL_VMW_UNREF_DMABUF \
52 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF, \
53 struct drm_vmw_unref_dmabuf_arg)
54 #define DRM_IOCTL_VMW_CURSOR_BYPASS \
55 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS, \
56 struct drm_vmw_cursor_bypass_arg)
58 #define DRM_IOCTL_VMW_CONTROL_STREAM \
59 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM, \
60 struct drm_vmw_control_stream_arg)
61 #define DRM_IOCTL_VMW_CLAIM_STREAM \
62 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
63 struct drm_vmw_stream_arg)
64 #define DRM_IOCTL_VMW_UNREF_STREAM \
65 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM, \
66 struct drm_vmw_stream_arg)
68 #define DRM_IOCTL_VMW_CREATE_CONTEXT \
69 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
70 struct drm_vmw_context_arg)
71 #define DRM_IOCTL_VMW_UNREF_CONTEXT \
72 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT, \
73 struct drm_vmw_context_arg)
74 #define DRM_IOCTL_VMW_CREATE_SURFACE \
75 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE, \
76 union drm_vmw_surface_create_arg)
77 #define DRM_IOCTL_VMW_UNREF_SURFACE \
78 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE, \
79 struct drm_vmw_surface_arg)
80 #define DRM_IOCTL_VMW_REF_SURFACE \
81 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE, \
82 union drm_vmw_surface_reference_arg)
83 #define DRM_IOCTL_VMW_EXECBUF \
84 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF, \
85 struct drm_vmw_execbuf_arg)
86 #define DRM_IOCTL_VMW_GET_3D_CAP \
87 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP, \
88 struct drm_vmw_get_3d_cap_arg)
89 #define DRM_IOCTL_VMW_FENCE_WAIT \
90 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT, \
91 struct drm_vmw_fence_wait_arg)
92 #define DRM_IOCTL_VMW_FENCE_SIGNALED \
93 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED, \
94 struct drm_vmw_fence_signaled_arg)
95 #define DRM_IOCTL_VMW_FENCE_UNREF \
96 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF, \
97 struct drm_vmw_fence_arg)
98 #define DRM_IOCTL_VMW_FENCE_EVENT \
99 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT, \
100 struct drm_vmw_fence_event_arg)
101 #define DRM_IOCTL_VMW_PRESENT \
102 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT, \
103 struct drm_vmw_present_arg)
104 #define DRM_IOCTL_VMW_PRESENT_READBACK \
105 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK, \
106 struct drm_vmw_present_readback_arg)
107 #define DRM_IOCTL_VMW_UPDATE_LAYOUT \
108 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT, \
109 struct drm_vmw_update_layout_arg)
112 * The core DRM version of this macro doesn't account for
113 * DRM_COMMAND_BASE.
116 #define VMW_IOCTL_DEF(ioctl, func, flags) \
117 [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
120 * Ioctl definitions.
123 static struct drm_ioctl_desc vmw_ioctls[] = {
124 VMW_IOCTL_DEF(VMW_GET_PARAM, vmw_getparam_ioctl,
125 DRM_AUTH | DRM_UNLOCKED),
126 VMW_IOCTL_DEF(VMW_ALLOC_DMABUF, vmw_dmabuf_alloc_ioctl,
127 DRM_AUTH | DRM_UNLOCKED),
128 VMW_IOCTL_DEF(VMW_UNREF_DMABUF, vmw_dmabuf_unref_ioctl,
129 DRM_AUTH | DRM_UNLOCKED),
130 VMW_IOCTL_DEF(VMW_CURSOR_BYPASS,
131 vmw_kms_cursor_bypass_ioctl,
132 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
134 VMW_IOCTL_DEF(VMW_CONTROL_STREAM, vmw_overlay_ioctl,
135 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
136 VMW_IOCTL_DEF(VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
137 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
138 VMW_IOCTL_DEF(VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
139 DRM_MASTER | DRM_CONTROL_ALLOW | DRM_UNLOCKED),
141 VMW_IOCTL_DEF(VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
142 DRM_AUTH | DRM_UNLOCKED),
143 VMW_IOCTL_DEF(VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
144 DRM_AUTH | DRM_UNLOCKED),
145 VMW_IOCTL_DEF(VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
146 DRM_AUTH | DRM_UNLOCKED),
147 VMW_IOCTL_DEF(VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
148 DRM_AUTH | DRM_UNLOCKED),
149 VMW_IOCTL_DEF(VMW_REF_SURFACE, vmw_surface_reference_ioctl,
150 DRM_AUTH | DRM_UNLOCKED),
151 VMW_IOCTL_DEF(VMW_EXECBUF, vmw_execbuf_ioctl,
152 DRM_AUTH | DRM_UNLOCKED),
153 VMW_IOCTL_DEF(VMW_FENCE_WAIT, vmw_fence_obj_wait_ioctl,
154 DRM_AUTH | DRM_UNLOCKED),
155 VMW_IOCTL_DEF(VMW_FENCE_SIGNALED,
156 vmw_fence_obj_signaled_ioctl,
157 DRM_AUTH | DRM_UNLOCKED),
158 VMW_IOCTL_DEF(VMW_FENCE_UNREF, vmw_fence_obj_unref_ioctl,
159 DRM_AUTH | DRM_UNLOCKED),
160 VMW_IOCTL_DEF(VMW_FENCE_EVENT,
161 vmw_fence_event_ioctl,
162 DRM_AUTH | DRM_UNLOCKED),
163 VMW_IOCTL_DEF(VMW_GET_3D_CAP, vmw_get_cap_3d_ioctl,
164 DRM_AUTH | DRM_UNLOCKED),
166 /* these allow direct access to the framebuffers mark as master only */
167 VMW_IOCTL_DEF(VMW_PRESENT, vmw_present_ioctl,
168 DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
169 VMW_IOCTL_DEF(VMW_PRESENT_READBACK,
170 vmw_present_readback_ioctl,
171 DRM_MASTER | DRM_AUTH | DRM_UNLOCKED),
172 VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT,
173 vmw_kms_update_layout_ioctl,
174 DRM_MASTER | DRM_UNLOCKED),
177 static struct pci_device_id vmw_pci_id_list[] = {
178 {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
179 {0, 0, 0}
182 static int enable_fbdev;
184 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
185 static void vmw_master_init(struct vmw_master *);
186 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
187 void *ptr);
189 MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
190 module_param_named(enable_fbdev, enable_fbdev, int, 0600);
192 static void vmw_print_capabilities(uint32_t capabilities)
194 DRM_INFO("Capabilities:\n");
195 if (capabilities & SVGA_CAP_RECT_COPY)
196 DRM_INFO(" Rect copy.\n");
197 if (capabilities & SVGA_CAP_CURSOR)
198 DRM_INFO(" Cursor.\n");
199 if (capabilities & SVGA_CAP_CURSOR_BYPASS)
200 DRM_INFO(" Cursor bypass.\n");
201 if (capabilities & SVGA_CAP_CURSOR_BYPASS_2)
202 DRM_INFO(" Cursor bypass 2.\n");
203 if (capabilities & SVGA_CAP_8BIT_EMULATION)
204 DRM_INFO(" 8bit emulation.\n");
205 if (capabilities & SVGA_CAP_ALPHA_CURSOR)
206 DRM_INFO(" Alpha cursor.\n");
207 if (capabilities & SVGA_CAP_3D)
208 DRM_INFO(" 3D.\n");
209 if (capabilities & SVGA_CAP_EXTENDED_FIFO)
210 DRM_INFO(" Extended Fifo.\n");
211 if (capabilities & SVGA_CAP_MULTIMON)
212 DRM_INFO(" Multimon.\n");
213 if (capabilities & SVGA_CAP_PITCHLOCK)
214 DRM_INFO(" Pitchlock.\n");
215 if (capabilities & SVGA_CAP_IRQMASK)
216 DRM_INFO(" Irq mask.\n");
217 if (capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)
218 DRM_INFO(" Display Topology.\n");
219 if (capabilities & SVGA_CAP_GMR)
220 DRM_INFO(" GMR.\n");
221 if (capabilities & SVGA_CAP_TRACES)
222 DRM_INFO(" Traces.\n");
223 if (capabilities & SVGA_CAP_GMR2)
224 DRM_INFO(" GMR2.\n");
225 if (capabilities & SVGA_CAP_SCREEN_OBJECT_2)
226 DRM_INFO(" Screen Object 2.\n");
231 * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
232 * the start of a buffer object.
234 * @dev_priv: The device private structure.
236 * This function will idle the buffer using an uninterruptible wait, then
237 * map the first page and initialize a pending occlusion query result structure,
238 * Finally it will unmap the buffer.
240 * TODO: Since we're only mapping a single page, we should optimize the map
241 * to use kmap_atomic / iomap_atomic.
243 static void vmw_dummy_query_bo_prepare(struct vmw_private *dev_priv)
245 struct ttm_bo_kmap_obj map;
246 volatile SVGA3dQueryResult *result;
247 bool dummy;
248 int ret;
249 struct ttm_bo_device *bdev = &dev_priv->bdev;
250 struct ttm_buffer_object *bo = dev_priv->dummy_query_bo;
252 ttm_bo_reserve(bo, false, false, false, 0);
253 spin_lock(&bdev->fence_lock);
254 ret = ttm_bo_wait(bo, false, false, false);
255 spin_unlock(&bdev->fence_lock);
256 if (unlikely(ret != 0))
257 (void) vmw_fallback_wait(dev_priv, false, true, 0, false,
258 10*HZ);
260 ret = ttm_bo_kmap(bo, 0, 1, &map);
261 if (likely(ret == 0)) {
262 result = ttm_kmap_obj_virtual(&map, &dummy);
263 result->totalSize = sizeof(*result);
264 result->state = SVGA3D_QUERYSTATE_PENDING;
265 result->result32 = 0xff;
266 ttm_bo_kunmap(&map);
267 } else
268 DRM_ERROR("Dummy query buffer map failed.\n");
269 ttm_bo_unreserve(bo);
274 * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
276 * @dev_priv: A device private structure.
278 * This function creates a small buffer object that holds the query
279 * result for dummy queries emitted as query barriers.
280 * No interruptible waits are done within this function.
282 * Returns an error if bo creation fails.
284 static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
286 return ttm_bo_create(&dev_priv->bdev,
287 PAGE_SIZE,
288 ttm_bo_type_device,
289 &vmw_vram_sys_placement,
290 0, 0, false, NULL,
291 &dev_priv->dummy_query_bo);
295 static int vmw_request_device(struct vmw_private *dev_priv)
297 int ret;
299 ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
300 if (unlikely(ret != 0)) {
301 DRM_ERROR("Unable to initialize FIFO.\n");
302 return ret;
304 vmw_fence_fifo_up(dev_priv->fman);
305 ret = vmw_dummy_query_bo_create(dev_priv);
306 if (unlikely(ret != 0))
307 goto out_no_query_bo;
308 vmw_dummy_query_bo_prepare(dev_priv);
310 return 0;
312 out_no_query_bo:
313 vmw_fence_fifo_down(dev_priv->fman);
314 vmw_fifo_release(dev_priv, &dev_priv->fifo);
315 return ret;
318 static void vmw_release_device(struct vmw_private *dev_priv)
321 * Previous destructions should've released
322 * the pinned bo.
325 BUG_ON(dev_priv->pinned_bo != NULL);
327 ttm_bo_unref(&dev_priv->dummy_query_bo);
328 vmw_fence_fifo_down(dev_priv->fman);
329 vmw_fifo_release(dev_priv, &dev_priv->fifo);
333 * Increase the 3d resource refcount.
334 * If the count was prevously zero, initialize the fifo, switching to svga
335 * mode. Note that the master holds a ref as well, and may request an
336 * explicit switch to svga mode if fb is not running, using @unhide_svga.
338 int vmw_3d_resource_inc(struct vmw_private *dev_priv,
339 bool unhide_svga)
341 int ret = 0;
343 mutex_lock(&dev_priv->release_mutex);
344 if (unlikely(dev_priv->num_3d_resources++ == 0)) {
345 ret = vmw_request_device(dev_priv);
346 if (unlikely(ret != 0))
347 --dev_priv->num_3d_resources;
348 } else if (unhide_svga) {
349 mutex_lock(&dev_priv->hw_mutex);
350 vmw_write(dev_priv, SVGA_REG_ENABLE,
351 vmw_read(dev_priv, SVGA_REG_ENABLE) &
352 ~SVGA_REG_ENABLE_HIDE);
353 mutex_unlock(&dev_priv->hw_mutex);
356 mutex_unlock(&dev_priv->release_mutex);
357 return ret;
361 * Decrease the 3d resource refcount.
362 * If the count reaches zero, disable the fifo, switching to vga mode.
363 * Note that the master holds a refcount as well, and may request an
364 * explicit switch to vga mode when it releases its refcount to account
365 * for the situation of an X server vt switch to VGA with 3d resources
366 * active.
368 void vmw_3d_resource_dec(struct vmw_private *dev_priv,
369 bool hide_svga)
371 int32_t n3d;
373 mutex_lock(&dev_priv->release_mutex);
374 if (unlikely(--dev_priv->num_3d_resources == 0))
375 vmw_release_device(dev_priv);
376 else if (hide_svga) {
377 mutex_lock(&dev_priv->hw_mutex);
378 vmw_write(dev_priv, SVGA_REG_ENABLE,
379 vmw_read(dev_priv, SVGA_REG_ENABLE) |
380 SVGA_REG_ENABLE_HIDE);
381 mutex_unlock(&dev_priv->hw_mutex);
384 n3d = (int32_t) dev_priv->num_3d_resources;
385 mutex_unlock(&dev_priv->release_mutex);
387 BUG_ON(n3d < 0);
390 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
392 struct vmw_private *dev_priv;
393 int ret;
394 uint32_t svga_id;
396 dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
397 if (unlikely(dev_priv == NULL)) {
398 DRM_ERROR("Failed allocating a device private struct.\n");
399 return -ENOMEM;
401 memset(dev_priv, 0, sizeof(*dev_priv));
403 dev_priv->dev = dev;
404 dev_priv->vmw_chipset = chipset;
405 dev_priv->last_read_seqno = (uint32_t) -100;
406 mutex_init(&dev_priv->hw_mutex);
407 mutex_init(&dev_priv->cmdbuf_mutex);
408 mutex_init(&dev_priv->release_mutex);
409 rwlock_init(&dev_priv->resource_lock);
410 idr_init(&dev_priv->context_idr);
411 idr_init(&dev_priv->surface_idr);
412 idr_init(&dev_priv->stream_idr);
413 mutex_init(&dev_priv->init_mutex);
414 init_waitqueue_head(&dev_priv->fence_queue);
415 init_waitqueue_head(&dev_priv->fifo_queue);
416 dev_priv->fence_queue_waiters = 0;
417 atomic_set(&dev_priv->fifo_queue_waiters, 0);
418 INIT_LIST_HEAD(&dev_priv->surface_lru);
419 dev_priv->used_memory_size = 0;
421 dev_priv->io_start = pci_resource_start(dev->pdev, 0);
422 dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
423 dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
425 dev_priv->enable_fb = enable_fbdev;
427 mutex_lock(&dev_priv->hw_mutex);
429 vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
430 svga_id = vmw_read(dev_priv, SVGA_REG_ID);
431 if (svga_id != SVGA_ID_2) {
432 ret = -ENOSYS;
433 DRM_ERROR("Unsuported SVGA ID 0x%x\n", svga_id);
434 mutex_unlock(&dev_priv->hw_mutex);
435 goto out_err0;
438 dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
440 dev_priv->vram_size = vmw_read(dev_priv, SVGA_REG_VRAM_SIZE);
441 dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
442 dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
443 dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
444 if (dev_priv->capabilities & SVGA_CAP_GMR) {
445 dev_priv->max_gmr_descriptors =
446 vmw_read(dev_priv,
447 SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH);
448 dev_priv->max_gmr_ids =
449 vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
451 if (dev_priv->capabilities & SVGA_CAP_GMR2) {
452 dev_priv->max_gmr_pages =
453 vmw_read(dev_priv, SVGA_REG_GMRS_MAX_PAGES);
454 dev_priv->memory_size =
455 vmw_read(dev_priv, SVGA_REG_MEMORY_SIZE);
456 dev_priv->memory_size -= dev_priv->vram_size;
457 } else {
459 * An arbitrary limit of 512MiB on surface
460 * memory. But all HWV8 hardware supports GMR2.
462 dev_priv->memory_size = 512*1024*1024;
465 mutex_unlock(&dev_priv->hw_mutex);
467 vmw_print_capabilities(dev_priv->capabilities);
469 if (dev_priv->capabilities & SVGA_CAP_GMR) {
470 DRM_INFO("Max GMR ids is %u\n",
471 (unsigned)dev_priv->max_gmr_ids);
472 DRM_INFO("Max GMR descriptors is %u\n",
473 (unsigned)dev_priv->max_gmr_descriptors);
475 if (dev_priv->capabilities & SVGA_CAP_GMR2) {
476 DRM_INFO("Max number of GMR pages is %u\n",
477 (unsigned)dev_priv->max_gmr_pages);
478 DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
479 (unsigned)dev_priv->memory_size / 1024);
481 DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
482 dev_priv->vram_start, dev_priv->vram_size / 1024);
483 DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
484 dev_priv->mmio_start, dev_priv->mmio_size / 1024);
486 ret = vmw_ttm_global_init(dev_priv);
487 if (unlikely(ret != 0))
488 goto out_err0;
491 vmw_master_init(&dev_priv->fbdev_master);
492 ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
493 dev_priv->active_master = &dev_priv->fbdev_master;
496 ret = ttm_bo_device_init(&dev_priv->bdev,
497 dev_priv->bo_global_ref.ref.object,
498 &vmw_bo_driver, VMWGFX_FILE_PAGE_OFFSET,
499 false);
500 if (unlikely(ret != 0)) {
501 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
502 goto out_err1;
505 ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
506 (dev_priv->vram_size >> PAGE_SHIFT));
507 if (unlikely(ret != 0)) {
508 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
509 goto out_err2;
512 dev_priv->has_gmr = true;
513 if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
514 dev_priv->max_gmr_ids) != 0) {
515 DRM_INFO("No GMR memory available. "
516 "Graphics memory resources are very limited.\n");
517 dev_priv->has_gmr = false;
520 dev_priv->mmio_mtrr = drm_mtrr_add(dev_priv->mmio_start,
521 dev_priv->mmio_size, DRM_MTRR_WC);
523 dev_priv->mmio_virt = ioremap_wc(dev_priv->mmio_start,
524 dev_priv->mmio_size);
526 if (unlikely(dev_priv->mmio_virt == NULL)) {
527 ret = -ENOMEM;
528 DRM_ERROR("Failed mapping MMIO.\n");
529 goto out_err3;
532 /* Need mmio memory to check for fifo pitchlock cap. */
533 if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
534 !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
535 !vmw_fifo_have_pitchlock(dev_priv)) {
536 ret = -ENOSYS;
537 DRM_ERROR("Hardware has no pitchlock\n");
538 goto out_err4;
541 dev_priv->tdev = ttm_object_device_init
542 (dev_priv->mem_global_ref.object, 12);
544 if (unlikely(dev_priv->tdev == NULL)) {
545 DRM_ERROR("Unable to initialize TTM object management.\n");
546 ret = -ENOMEM;
547 goto out_err4;
550 dev->dev_private = dev_priv;
552 ret = pci_request_regions(dev->pdev, "vmwgfx probe");
553 dev_priv->stealth = (ret != 0);
554 if (dev_priv->stealth) {
556 * Request at least the mmio PCI resource.
559 DRM_INFO("It appears like vesafb is loaded. "
560 "Ignore above error if any.\n");
561 ret = pci_request_region(dev->pdev, 2, "vmwgfx stealth probe");
562 if (unlikely(ret != 0)) {
563 DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
564 goto out_no_device;
568 dev_priv->fman = vmw_fence_manager_init(dev_priv);
569 if (unlikely(dev_priv->fman == NULL))
570 goto out_no_fman;
572 /* Need to start the fifo to check if we can do screen objects */
573 ret = vmw_3d_resource_inc(dev_priv, true);
574 if (unlikely(ret != 0))
575 goto out_no_fifo;
576 vmw_kms_save_vga(dev_priv);
578 /* Start kms and overlay systems, needs fifo. */
579 ret = vmw_kms_init(dev_priv);
580 if (unlikely(ret != 0))
581 goto out_no_kms;
582 vmw_overlay_init(dev_priv);
584 /* 3D Depends on Screen Objects being used. */
585 DRM_INFO("Detected %sdevice 3D availability.\n",
586 vmw_fifo_have_3d(dev_priv) ?
587 "" : "no ");
589 /* We might be done with the fifo now */
590 if (dev_priv->enable_fb) {
591 vmw_fb_init(dev_priv);
592 } else {
593 vmw_kms_restore_vga(dev_priv);
594 vmw_3d_resource_dec(dev_priv, true);
597 if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
598 ret = drm_irq_install(dev);
599 if (unlikely(ret != 0)) {
600 DRM_ERROR("Failed installing irq: %d\n", ret);
601 goto out_no_irq;
605 dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
606 register_pm_notifier(&dev_priv->pm_nb);
608 return 0;
610 out_no_irq:
611 if (dev_priv->enable_fb)
612 vmw_fb_close(dev_priv);
613 vmw_overlay_close(dev_priv);
614 vmw_kms_close(dev_priv);
615 out_no_kms:
616 /* We still have a 3D resource reference held */
617 if (dev_priv->enable_fb) {
618 vmw_kms_restore_vga(dev_priv);
619 vmw_3d_resource_dec(dev_priv, false);
621 out_no_fifo:
622 vmw_fence_manager_takedown(dev_priv->fman);
623 out_no_fman:
624 if (dev_priv->stealth)
625 pci_release_region(dev->pdev, 2);
626 else
627 pci_release_regions(dev->pdev);
628 out_no_device:
629 ttm_object_device_release(&dev_priv->tdev);
630 out_err4:
631 iounmap(dev_priv->mmio_virt);
632 out_err3:
633 drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
634 dev_priv->mmio_size, DRM_MTRR_WC);
635 if (dev_priv->has_gmr)
636 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
637 (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
638 out_err2:
639 (void)ttm_bo_device_release(&dev_priv->bdev);
640 out_err1:
641 vmw_ttm_global_release(dev_priv);
642 out_err0:
643 idr_destroy(&dev_priv->surface_idr);
644 idr_destroy(&dev_priv->context_idr);
645 idr_destroy(&dev_priv->stream_idr);
646 kfree(dev_priv);
647 return ret;
650 static int vmw_driver_unload(struct drm_device *dev)
652 struct vmw_private *dev_priv = vmw_priv(dev);
654 unregister_pm_notifier(&dev_priv->pm_nb);
656 if (dev_priv->ctx.cmd_bounce)
657 vfree(dev_priv->ctx.cmd_bounce);
658 if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
659 drm_irq_uninstall(dev_priv->dev);
660 if (dev_priv->enable_fb) {
661 vmw_fb_close(dev_priv);
662 vmw_kms_restore_vga(dev_priv);
663 vmw_3d_resource_dec(dev_priv, false);
665 vmw_kms_close(dev_priv);
666 vmw_overlay_close(dev_priv);
667 vmw_fence_manager_takedown(dev_priv->fman);
668 if (dev_priv->stealth)
669 pci_release_region(dev->pdev, 2);
670 else
671 pci_release_regions(dev->pdev);
673 ttm_object_device_release(&dev_priv->tdev);
674 iounmap(dev_priv->mmio_virt);
675 drm_mtrr_del(dev_priv->mmio_mtrr, dev_priv->mmio_start,
676 dev_priv->mmio_size, DRM_MTRR_WC);
677 if (dev_priv->has_gmr)
678 (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
679 (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
680 (void)ttm_bo_device_release(&dev_priv->bdev);
681 vmw_ttm_global_release(dev_priv);
682 idr_destroy(&dev_priv->surface_idr);
683 idr_destroy(&dev_priv->context_idr);
684 idr_destroy(&dev_priv->stream_idr);
686 kfree(dev_priv);
688 return 0;
691 static void vmw_postclose(struct drm_device *dev,
692 struct drm_file *file_priv)
694 struct vmw_fpriv *vmw_fp;
696 vmw_fp = vmw_fpriv(file_priv);
697 ttm_object_file_release(&vmw_fp->tfile);
698 if (vmw_fp->locked_master)
699 drm_master_put(&vmw_fp->locked_master);
700 kfree(vmw_fp);
703 static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
705 struct vmw_private *dev_priv = vmw_priv(dev);
706 struct vmw_fpriv *vmw_fp;
707 int ret = -ENOMEM;
709 vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
710 if (unlikely(vmw_fp == NULL))
711 return ret;
713 vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
714 if (unlikely(vmw_fp->tfile == NULL))
715 goto out_no_tfile;
717 file_priv->driver_priv = vmw_fp;
719 if (unlikely(dev_priv->bdev.dev_mapping == NULL))
720 dev_priv->bdev.dev_mapping =
721 file_priv->filp->f_path.dentry->d_inode->i_mapping;
723 return 0;
725 out_no_tfile:
726 kfree(vmw_fp);
727 return ret;
730 static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
731 unsigned long arg)
733 struct drm_file *file_priv = filp->private_data;
734 struct drm_device *dev = file_priv->minor->dev;
735 unsigned int nr = DRM_IOCTL_NR(cmd);
738 * Do extra checking on driver private ioctls.
741 if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
742 && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
743 struct drm_ioctl_desc *ioctl =
744 &vmw_ioctls[nr - DRM_COMMAND_BASE];
746 if (unlikely(ioctl->cmd_drv != cmd)) {
747 DRM_ERROR("Invalid command format, ioctl %d\n",
748 nr - DRM_COMMAND_BASE);
749 return -EINVAL;
753 return drm_ioctl(filp, cmd, arg);
756 static int vmw_firstopen(struct drm_device *dev)
758 struct vmw_private *dev_priv = vmw_priv(dev);
759 dev_priv->is_opened = true;
761 return 0;
764 static void vmw_lastclose(struct drm_device *dev)
766 struct vmw_private *dev_priv = vmw_priv(dev);
767 struct drm_crtc *crtc;
768 struct drm_mode_set set;
769 int ret;
772 * Do nothing on the lastclose call from drm_unload.
775 if (!dev_priv->is_opened)
776 return;
778 dev_priv->is_opened = false;
779 set.x = 0;
780 set.y = 0;
781 set.fb = NULL;
782 set.mode = NULL;
783 set.connectors = NULL;
784 set.num_connectors = 0;
786 list_for_each_entry(crtc, &dev->mode_config.crtc_list, head) {
787 set.crtc = crtc;
788 ret = crtc->funcs->set_config(&set);
789 WARN_ON(ret != 0);
794 static void vmw_master_init(struct vmw_master *vmaster)
796 ttm_lock_init(&vmaster->lock);
797 INIT_LIST_HEAD(&vmaster->fb_surf);
798 mutex_init(&vmaster->fb_surf_mutex);
801 static int vmw_master_create(struct drm_device *dev,
802 struct drm_master *master)
804 struct vmw_master *vmaster;
806 vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
807 if (unlikely(vmaster == NULL))
808 return -ENOMEM;
810 vmw_master_init(vmaster);
811 ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
812 master->driver_priv = vmaster;
814 return 0;
817 static void vmw_master_destroy(struct drm_device *dev,
818 struct drm_master *master)
820 struct vmw_master *vmaster = vmw_master(master);
822 master->driver_priv = NULL;
823 kfree(vmaster);
827 static int vmw_master_set(struct drm_device *dev,
828 struct drm_file *file_priv,
829 bool from_open)
831 struct vmw_private *dev_priv = vmw_priv(dev);
832 struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
833 struct vmw_master *active = dev_priv->active_master;
834 struct vmw_master *vmaster = vmw_master(file_priv->master);
835 int ret = 0;
837 if (!dev_priv->enable_fb) {
838 ret = vmw_3d_resource_inc(dev_priv, true);
839 if (unlikely(ret != 0))
840 return ret;
841 vmw_kms_save_vga(dev_priv);
842 mutex_lock(&dev_priv->hw_mutex);
843 vmw_write(dev_priv, SVGA_REG_TRACES, 0);
844 mutex_unlock(&dev_priv->hw_mutex);
847 if (active) {
848 BUG_ON(active != &dev_priv->fbdev_master);
849 ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
850 if (unlikely(ret != 0))
851 goto out_no_active_lock;
853 ttm_lock_set_kill(&active->lock, true, SIGTERM);
854 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
855 if (unlikely(ret != 0)) {
856 DRM_ERROR("Unable to clean VRAM on "
857 "master drop.\n");
860 dev_priv->active_master = NULL;
863 ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
864 if (!from_open) {
865 ttm_vt_unlock(&vmaster->lock);
866 BUG_ON(vmw_fp->locked_master != file_priv->master);
867 drm_master_put(&vmw_fp->locked_master);
870 dev_priv->active_master = vmaster;
872 return 0;
874 out_no_active_lock:
875 if (!dev_priv->enable_fb) {
876 mutex_lock(&dev_priv->hw_mutex);
877 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
878 mutex_unlock(&dev_priv->hw_mutex);
879 vmw_kms_restore_vga(dev_priv);
880 vmw_3d_resource_dec(dev_priv, true);
882 return ret;
885 static void vmw_master_drop(struct drm_device *dev,
886 struct drm_file *file_priv,
887 bool from_release)
889 struct vmw_private *dev_priv = vmw_priv(dev);
890 struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
891 struct vmw_master *vmaster = vmw_master(file_priv->master);
892 int ret;
895 * Make sure the master doesn't disappear while we have
896 * it locked.
899 vmw_fp->locked_master = drm_master_get(file_priv->master);
900 ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
901 vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
903 if (unlikely((ret != 0))) {
904 DRM_ERROR("Unable to lock TTM at VT switch.\n");
905 drm_master_put(&vmw_fp->locked_master);
908 ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
910 if (!dev_priv->enable_fb) {
911 ret = ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM);
912 if (unlikely(ret != 0))
913 DRM_ERROR("Unable to clean VRAM on master drop.\n");
914 mutex_lock(&dev_priv->hw_mutex);
915 vmw_write(dev_priv, SVGA_REG_TRACES, 1);
916 mutex_unlock(&dev_priv->hw_mutex);
917 vmw_kms_restore_vga(dev_priv);
918 vmw_3d_resource_dec(dev_priv, true);
921 dev_priv->active_master = &dev_priv->fbdev_master;
922 ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
923 ttm_vt_unlock(&dev_priv->fbdev_master.lock);
925 if (dev_priv->enable_fb)
926 vmw_fb_on(dev_priv);
930 static void vmw_remove(struct pci_dev *pdev)
932 struct drm_device *dev = pci_get_drvdata(pdev);
934 drm_put_dev(dev);
937 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
938 void *ptr)
940 struct vmw_private *dev_priv =
941 container_of(nb, struct vmw_private, pm_nb);
942 struct vmw_master *vmaster = dev_priv->active_master;
944 switch (val) {
945 case PM_HIBERNATION_PREPARE:
946 case PM_SUSPEND_PREPARE:
947 ttm_suspend_lock(&vmaster->lock);
950 * This empties VRAM and unbinds all GMR bindings.
951 * Buffer contents is moved to swappable memory.
953 vmw_execbuf_release_pinned_bo(dev_priv, false, 0);
954 ttm_bo_swapout_all(&dev_priv->bdev);
956 break;
957 case PM_POST_HIBERNATION:
958 case PM_POST_SUSPEND:
959 case PM_POST_RESTORE:
960 ttm_suspend_unlock(&vmaster->lock);
962 break;
963 case PM_RESTORE_PREPARE:
964 break;
965 default:
966 break;
968 return 0;
972 * These might not be needed with the virtual SVGA device.
975 static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
977 struct drm_device *dev = pci_get_drvdata(pdev);
978 struct vmw_private *dev_priv = vmw_priv(dev);
980 if (dev_priv->num_3d_resources != 0) {
981 DRM_INFO("Can't suspend or hibernate "
982 "while 3D resources are active.\n");
983 return -EBUSY;
986 pci_save_state(pdev);
987 pci_disable_device(pdev);
988 pci_set_power_state(pdev, PCI_D3hot);
989 return 0;
992 static int vmw_pci_resume(struct pci_dev *pdev)
994 pci_set_power_state(pdev, PCI_D0);
995 pci_restore_state(pdev);
996 return pci_enable_device(pdev);
999 static int vmw_pm_suspend(struct device *kdev)
1001 struct pci_dev *pdev = to_pci_dev(kdev);
1002 struct pm_message dummy;
1004 dummy.event = 0;
1006 return vmw_pci_suspend(pdev, dummy);
1009 static int vmw_pm_resume(struct device *kdev)
1011 struct pci_dev *pdev = to_pci_dev(kdev);
1013 return vmw_pci_resume(pdev);
1016 static int vmw_pm_prepare(struct device *kdev)
1018 struct pci_dev *pdev = to_pci_dev(kdev);
1019 struct drm_device *dev = pci_get_drvdata(pdev);
1020 struct vmw_private *dev_priv = vmw_priv(dev);
1023 * Release 3d reference held by fbdev and potentially
1024 * stop fifo.
1026 dev_priv->suspended = true;
1027 if (dev_priv->enable_fb)
1028 vmw_3d_resource_dec(dev_priv, true);
1030 if (dev_priv->num_3d_resources != 0) {
1032 DRM_INFO("Can't suspend or hibernate "
1033 "while 3D resources are active.\n");
1035 if (dev_priv->enable_fb)
1036 vmw_3d_resource_inc(dev_priv, true);
1037 dev_priv->suspended = false;
1038 return -EBUSY;
1041 return 0;
1044 static void vmw_pm_complete(struct device *kdev)
1046 struct pci_dev *pdev = to_pci_dev(kdev);
1047 struct drm_device *dev = pci_get_drvdata(pdev);
1048 struct vmw_private *dev_priv = vmw_priv(dev);
1051 * Reclaim 3d reference held by fbdev and potentially
1052 * start fifo.
1054 if (dev_priv->enable_fb)
1055 vmw_3d_resource_inc(dev_priv, false);
1057 dev_priv->suspended = false;
1060 static const struct dev_pm_ops vmw_pm_ops = {
1061 .prepare = vmw_pm_prepare,
1062 .complete = vmw_pm_complete,
1063 .suspend = vmw_pm_suspend,
1064 .resume = vmw_pm_resume,
1067 static const struct file_operations vmwgfx_driver_fops = {
1068 .owner = THIS_MODULE,
1069 .open = drm_open,
1070 .release = drm_release,
1071 .unlocked_ioctl = vmw_unlocked_ioctl,
1072 .mmap = vmw_mmap,
1073 .poll = vmw_fops_poll,
1074 .read = vmw_fops_read,
1075 .fasync = drm_fasync,
1076 #if defined(CONFIG_COMPAT)
1077 .compat_ioctl = drm_compat_ioctl,
1078 #endif
1079 .llseek = noop_llseek,
1082 static struct drm_driver driver = {
1083 .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
1084 DRIVER_MODESET,
1085 .load = vmw_driver_load,
1086 .unload = vmw_driver_unload,
1087 .firstopen = vmw_firstopen,
1088 .lastclose = vmw_lastclose,
1089 .irq_preinstall = vmw_irq_preinstall,
1090 .irq_postinstall = vmw_irq_postinstall,
1091 .irq_uninstall = vmw_irq_uninstall,
1092 .irq_handler = vmw_irq_handler,
1093 .get_vblank_counter = vmw_get_vblank_counter,
1094 .enable_vblank = vmw_enable_vblank,
1095 .disable_vblank = vmw_disable_vblank,
1096 .reclaim_buffers_locked = NULL,
1097 .ioctls = vmw_ioctls,
1098 .num_ioctls = DRM_ARRAY_SIZE(vmw_ioctls),
1099 .dma_quiescent = NULL, /*vmw_dma_quiescent, */
1100 .master_create = vmw_master_create,
1101 .master_destroy = vmw_master_destroy,
1102 .master_set = vmw_master_set,
1103 .master_drop = vmw_master_drop,
1104 .open = vmw_driver_open,
1105 .postclose = vmw_postclose,
1106 .fops = &vmwgfx_driver_fops,
1107 .name = VMWGFX_DRIVER_NAME,
1108 .desc = VMWGFX_DRIVER_DESC,
1109 .date = VMWGFX_DRIVER_DATE,
1110 .major = VMWGFX_DRIVER_MAJOR,
1111 .minor = VMWGFX_DRIVER_MINOR,
1112 .patchlevel = VMWGFX_DRIVER_PATCHLEVEL
1115 static struct pci_driver vmw_pci_driver = {
1116 .name = VMWGFX_DRIVER_NAME,
1117 .id_table = vmw_pci_id_list,
1118 .probe = vmw_probe,
1119 .remove = vmw_remove,
1120 .driver = {
1121 .pm = &vmw_pm_ops
1125 static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1127 return drm_get_pci_dev(pdev, ent, &driver);
1130 static int __init vmwgfx_init(void)
1132 int ret;
1133 ret = drm_pci_init(&driver, &vmw_pci_driver);
1134 if (ret)
1135 DRM_ERROR("Failed initializing DRM.\n");
1136 return ret;
1139 static void __exit vmwgfx_exit(void)
1141 drm_pci_exit(&driver, &vmw_pci_driver);
1144 module_init(vmwgfx_init);
1145 module_exit(vmwgfx_exit);
1147 MODULE_AUTHOR("VMware Inc. and others");
1148 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1149 MODULE_LICENSE("GPL and additional rights");
1150 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR) "."
1151 __stringify(VMWGFX_DRIVER_MINOR) "."
1152 __stringify(VMWGFX_DRIVER_PATCHLEVEL) "."
1153 "0");