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[uclinux-h8/linux.git] / drivers / gpu / drm / vmwgfx / vmwgfx_drv.c
1 // SPDX-License-Identifier: GPL-2.0 OR MIT
2 /**************************************************************************
3  *
4  * Copyright 2009-2016 VMware, Inc., Palo Alto, CA., USA
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the
8  * "Software"), to deal in the Software without restriction, including
9  * without limitation the rights to use, copy, modify, merge, publish,
10  * distribute, sub license, and/or sell copies of the Software, and to
11  * permit persons to whom the Software is furnished to do so, subject to
12  * the following conditions:
13  *
14  * The above copyright notice and this permission notice (including the
15  * next paragraph) shall be included in all copies or substantial portions
16  * of the Software.
17  *
18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
19  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
22  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
23  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
24  * USE OR OTHER DEALINGS IN THE SOFTWARE.
25  *
26  **************************************************************************/
27 #include <linux/module.h>
28 #include <linux/console.h>
29
30 #include <drm/drmP.h>
31 #include "vmwgfx_drv.h"
32 #include "vmwgfx_binding.h"
33 #include "ttm_object.h"
34 #include <drm/ttm/ttm_placement.h>
35 #include <drm/ttm/ttm_bo_driver.h>
36 #include <drm/ttm/ttm_module.h>
37 #include <linux/dma_remapping.h>
38
39 #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
40 #define VMWGFX_CHIP_SVGAII 0
41 #define VMW_FB_RESERVATION 0
42
43 #define VMW_MIN_INITIAL_WIDTH 800
44 #define VMW_MIN_INITIAL_HEIGHT 600
45
46 #ifndef VMWGFX_GIT_VERSION
47 #define VMWGFX_GIT_VERSION "Unknown"
48 #endif
49
50 #define VMWGFX_REPO "In Tree"
51
52
53 /**
54  * Fully encoded drm commands. Might move to vmw_drm.h
55  */
56
57 #define DRM_IOCTL_VMW_GET_PARAM                                 \
58         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM,          \
59                  struct drm_vmw_getparam_arg)
60 #define DRM_IOCTL_VMW_ALLOC_DMABUF                              \
61         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF,       \
62                 union drm_vmw_alloc_dmabuf_arg)
63 #define DRM_IOCTL_VMW_UNREF_DMABUF                              \
64         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF,        \
65                 struct drm_vmw_unref_dmabuf_arg)
66 #define DRM_IOCTL_VMW_CURSOR_BYPASS                             \
67         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS,       \
68                  struct drm_vmw_cursor_bypass_arg)
69
70 #define DRM_IOCTL_VMW_CONTROL_STREAM                            \
71         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM,      \
72                  struct drm_vmw_control_stream_arg)
73 #define DRM_IOCTL_VMW_CLAIM_STREAM                              \
74         DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM,        \
75                  struct drm_vmw_stream_arg)
76 #define DRM_IOCTL_VMW_UNREF_STREAM                              \
77         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM,        \
78                  struct drm_vmw_stream_arg)
79
80 #define DRM_IOCTL_VMW_CREATE_CONTEXT                            \
81         DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT,      \
82                 struct drm_vmw_context_arg)
83 #define DRM_IOCTL_VMW_UNREF_CONTEXT                             \
84         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT,       \
85                 struct drm_vmw_context_arg)
86 #define DRM_IOCTL_VMW_CREATE_SURFACE                            \
87         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE,     \
88                  union drm_vmw_surface_create_arg)
89 #define DRM_IOCTL_VMW_UNREF_SURFACE                             \
90         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE,       \
91                  struct drm_vmw_surface_arg)
92 #define DRM_IOCTL_VMW_REF_SURFACE                               \
93         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE,        \
94                  union drm_vmw_surface_reference_arg)
95 #define DRM_IOCTL_VMW_EXECBUF                                   \
96         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF,             \
97                 struct drm_vmw_execbuf_arg)
98 #define DRM_IOCTL_VMW_GET_3D_CAP                                \
99         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP,          \
100                  struct drm_vmw_get_3d_cap_arg)
101 #define DRM_IOCTL_VMW_FENCE_WAIT                                \
102         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT,         \
103                  struct drm_vmw_fence_wait_arg)
104 #define DRM_IOCTL_VMW_FENCE_SIGNALED                            \
105         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED,     \
106                  struct drm_vmw_fence_signaled_arg)
107 #define DRM_IOCTL_VMW_FENCE_UNREF                               \
108         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF,         \
109                  struct drm_vmw_fence_arg)
110 #define DRM_IOCTL_VMW_FENCE_EVENT                               \
111         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT,         \
112                  struct drm_vmw_fence_event_arg)
113 #define DRM_IOCTL_VMW_PRESENT                                   \
114         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT,             \
115                  struct drm_vmw_present_arg)
116 #define DRM_IOCTL_VMW_PRESENT_READBACK                          \
117         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK,    \
118                  struct drm_vmw_present_readback_arg)
119 #define DRM_IOCTL_VMW_UPDATE_LAYOUT                             \
120         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT,       \
121                  struct drm_vmw_update_layout_arg)
122 #define DRM_IOCTL_VMW_CREATE_SHADER                             \
123         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SHADER,      \
124                  struct drm_vmw_shader_create_arg)
125 #define DRM_IOCTL_VMW_UNREF_SHADER                              \
126         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SHADER,        \
127                  struct drm_vmw_shader_arg)
128 #define DRM_IOCTL_VMW_GB_SURFACE_CREATE                         \
129         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_CREATE,  \
130                  union drm_vmw_gb_surface_create_arg)
131 #define DRM_IOCTL_VMW_GB_SURFACE_REF                            \
132         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_REF,     \
133                  union drm_vmw_gb_surface_reference_arg)
134 #define DRM_IOCTL_VMW_SYNCCPU                                   \
135         DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_SYNCCPU,             \
136                  struct drm_vmw_synccpu_arg)
137 #define DRM_IOCTL_VMW_CREATE_EXTENDED_CONTEXT                   \
138         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_EXTENDED_CONTEXT,    \
139                 struct drm_vmw_context_arg)
140 #define DRM_IOCTL_VMW_GB_SURFACE_CREATE_EXT                             \
141         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_CREATE_EXT,      \
142                 union drm_vmw_gb_surface_create_ext_arg)
143 #define DRM_IOCTL_VMW_GB_SURFACE_REF_EXT                                \
144         DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GB_SURFACE_REF_EXT,         \
145                 union drm_vmw_gb_surface_reference_ext_arg)
146
147 /**
148  * The core DRM version of this macro doesn't account for
149  * DRM_COMMAND_BASE.
150  */
151
152 #define VMW_IOCTL_DEF(ioctl, func, flags) \
153   [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_IOCTL_##ioctl, flags, func}
154
155 /**
156  * Ioctl definitions.
157  */
158
159 static const struct drm_ioctl_desc vmw_ioctls[] = {
160         VMW_IOCTL_DEF(VMW_GET_PARAM, vmw_getparam_ioctl,
161                       DRM_AUTH | DRM_RENDER_ALLOW),
162         VMW_IOCTL_DEF(VMW_ALLOC_DMABUF, vmw_bo_alloc_ioctl,
163                       DRM_AUTH | DRM_RENDER_ALLOW),
164         VMW_IOCTL_DEF(VMW_UNREF_DMABUF, vmw_bo_unref_ioctl,
165                       DRM_RENDER_ALLOW),
166         VMW_IOCTL_DEF(VMW_CURSOR_BYPASS,
167                       vmw_kms_cursor_bypass_ioctl,
168                       DRM_MASTER),
169
170         VMW_IOCTL_DEF(VMW_CONTROL_STREAM, vmw_overlay_ioctl,
171                       DRM_MASTER),
172         VMW_IOCTL_DEF(VMW_CLAIM_STREAM, vmw_stream_claim_ioctl,
173                       DRM_MASTER),
174         VMW_IOCTL_DEF(VMW_UNREF_STREAM, vmw_stream_unref_ioctl,
175                       DRM_MASTER),
176
177         VMW_IOCTL_DEF(VMW_CREATE_CONTEXT, vmw_context_define_ioctl,
178                       DRM_AUTH | DRM_RENDER_ALLOW),
179         VMW_IOCTL_DEF(VMW_UNREF_CONTEXT, vmw_context_destroy_ioctl,
180                       DRM_RENDER_ALLOW),
181         VMW_IOCTL_DEF(VMW_CREATE_SURFACE, vmw_surface_define_ioctl,
182                       DRM_AUTH | DRM_RENDER_ALLOW),
183         VMW_IOCTL_DEF(VMW_UNREF_SURFACE, vmw_surface_destroy_ioctl,
184                       DRM_RENDER_ALLOW),
185         VMW_IOCTL_DEF(VMW_REF_SURFACE, vmw_surface_reference_ioctl,
186                       DRM_AUTH | DRM_RENDER_ALLOW),
187         VMW_IOCTL_DEF(VMW_EXECBUF, NULL, DRM_AUTH |
188                       DRM_RENDER_ALLOW),
189         VMW_IOCTL_DEF(VMW_FENCE_WAIT, vmw_fence_obj_wait_ioctl,
190                       DRM_RENDER_ALLOW),
191         VMW_IOCTL_DEF(VMW_FENCE_SIGNALED,
192                       vmw_fence_obj_signaled_ioctl,
193                       DRM_RENDER_ALLOW),
194         VMW_IOCTL_DEF(VMW_FENCE_UNREF, vmw_fence_obj_unref_ioctl,
195                       DRM_RENDER_ALLOW),
196         VMW_IOCTL_DEF(VMW_FENCE_EVENT, vmw_fence_event_ioctl,
197                       DRM_AUTH | DRM_RENDER_ALLOW),
198         VMW_IOCTL_DEF(VMW_GET_3D_CAP, vmw_get_cap_3d_ioctl,
199                       DRM_AUTH | DRM_RENDER_ALLOW),
200
201         /* these allow direct access to the framebuffers mark as master only */
202         VMW_IOCTL_DEF(VMW_PRESENT, vmw_present_ioctl,
203                       DRM_MASTER | DRM_AUTH),
204         VMW_IOCTL_DEF(VMW_PRESENT_READBACK,
205                       vmw_present_readback_ioctl,
206                       DRM_MASTER | DRM_AUTH),
207         /*
208          * The permissions of the below ioctl are overridden in
209          * vmw_generic_ioctl(). We require either
210          * DRM_MASTER or capable(CAP_SYS_ADMIN).
211          */
212         VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT,
213                       vmw_kms_update_layout_ioctl,
214                       DRM_RENDER_ALLOW),
215         VMW_IOCTL_DEF(VMW_CREATE_SHADER,
216                       vmw_shader_define_ioctl,
217                       DRM_AUTH | DRM_RENDER_ALLOW),
218         VMW_IOCTL_DEF(VMW_UNREF_SHADER,
219                       vmw_shader_destroy_ioctl,
220                       DRM_RENDER_ALLOW),
221         VMW_IOCTL_DEF(VMW_GB_SURFACE_CREATE,
222                       vmw_gb_surface_define_ioctl,
223                       DRM_AUTH | DRM_RENDER_ALLOW),
224         VMW_IOCTL_DEF(VMW_GB_SURFACE_REF,
225                       vmw_gb_surface_reference_ioctl,
226                       DRM_AUTH | DRM_RENDER_ALLOW),
227         VMW_IOCTL_DEF(VMW_SYNCCPU,
228                       vmw_user_bo_synccpu_ioctl,
229                       DRM_RENDER_ALLOW),
230         VMW_IOCTL_DEF(VMW_CREATE_EXTENDED_CONTEXT,
231                       vmw_extended_context_define_ioctl,
232                       DRM_AUTH | DRM_RENDER_ALLOW),
233         VMW_IOCTL_DEF(VMW_GB_SURFACE_CREATE_EXT,
234                       vmw_gb_surface_define_ext_ioctl,
235                       DRM_AUTH | DRM_RENDER_ALLOW),
236         VMW_IOCTL_DEF(VMW_GB_SURFACE_REF_EXT,
237                       vmw_gb_surface_reference_ext_ioctl,
238                       DRM_AUTH | DRM_RENDER_ALLOW),
239 };
240
241 static const struct pci_device_id vmw_pci_id_list[] = {
242         {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII},
243         {0, 0, 0}
244 };
245 MODULE_DEVICE_TABLE(pci, vmw_pci_id_list);
246
247 static int enable_fbdev = IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON);
248 static int vmw_force_iommu;
249 static int vmw_restrict_iommu;
250 static int vmw_force_coherent;
251 static int vmw_restrict_dma_mask;
252 static int vmw_assume_16bpp;
253
254 static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
255 static void vmw_master_init(struct vmw_master *);
256 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
257                               void *ptr);
258
259 MODULE_PARM_DESC(enable_fbdev, "Enable vmwgfx fbdev");
260 module_param_named(enable_fbdev, enable_fbdev, int, 0600);
261 MODULE_PARM_DESC(force_dma_api, "Force using the DMA API for TTM pages");
262 module_param_named(force_dma_api, vmw_force_iommu, int, 0600);
263 MODULE_PARM_DESC(restrict_iommu, "Try to limit IOMMU usage for TTM pages");
264 module_param_named(restrict_iommu, vmw_restrict_iommu, int, 0600);
265 MODULE_PARM_DESC(force_coherent, "Force coherent TTM pages");
266 module_param_named(force_coherent, vmw_force_coherent, int, 0600);
267 MODULE_PARM_DESC(restrict_dma_mask, "Restrict DMA mask to 44 bits with IOMMU");
268 module_param_named(restrict_dma_mask, vmw_restrict_dma_mask, int, 0600);
269 MODULE_PARM_DESC(assume_16bpp, "Assume 16-bpp when filtering modes");
270 module_param_named(assume_16bpp, vmw_assume_16bpp, int, 0600);
271
272
273 static void vmw_print_capabilities2(uint32_t capabilities2)
274 {
275         DRM_INFO("Capabilities2:\n");
276         if (capabilities2 & SVGA_CAP2_GROW_OTABLE)
277                 DRM_INFO("  Grow oTable.\n");
278         if (capabilities2 & SVGA_CAP2_INTRA_SURFACE_COPY)
279                 DRM_INFO("  IntraSurface copy.\n");
280 }
281
282 static void vmw_print_capabilities(uint32_t capabilities)
283 {
284         DRM_INFO("Capabilities:\n");
285         if (capabilities & SVGA_CAP_RECT_COPY)
286                 DRM_INFO("  Rect copy.\n");
287         if (capabilities & SVGA_CAP_CURSOR)
288                 DRM_INFO("  Cursor.\n");
289         if (capabilities & SVGA_CAP_CURSOR_BYPASS)
290                 DRM_INFO("  Cursor bypass.\n");
291         if (capabilities & SVGA_CAP_CURSOR_BYPASS_2)
292                 DRM_INFO("  Cursor bypass 2.\n");
293         if (capabilities & SVGA_CAP_8BIT_EMULATION)
294                 DRM_INFO("  8bit emulation.\n");
295         if (capabilities & SVGA_CAP_ALPHA_CURSOR)
296                 DRM_INFO("  Alpha cursor.\n");
297         if (capabilities & SVGA_CAP_3D)
298                 DRM_INFO("  3D.\n");
299         if (capabilities & SVGA_CAP_EXTENDED_FIFO)
300                 DRM_INFO("  Extended Fifo.\n");
301         if (capabilities & SVGA_CAP_MULTIMON)
302                 DRM_INFO("  Multimon.\n");
303         if (capabilities & SVGA_CAP_PITCHLOCK)
304                 DRM_INFO("  Pitchlock.\n");
305         if (capabilities & SVGA_CAP_IRQMASK)
306                 DRM_INFO("  Irq mask.\n");
307         if (capabilities & SVGA_CAP_DISPLAY_TOPOLOGY)
308                 DRM_INFO("  Display Topology.\n");
309         if (capabilities & SVGA_CAP_GMR)
310                 DRM_INFO("  GMR.\n");
311         if (capabilities & SVGA_CAP_TRACES)
312                 DRM_INFO("  Traces.\n");
313         if (capabilities & SVGA_CAP_GMR2)
314                 DRM_INFO("  GMR2.\n");
315         if (capabilities & SVGA_CAP_SCREEN_OBJECT_2)
316                 DRM_INFO("  Screen Object 2.\n");
317         if (capabilities & SVGA_CAP_COMMAND_BUFFERS)
318                 DRM_INFO("  Command Buffers.\n");
319         if (capabilities & SVGA_CAP_CMD_BUFFERS_2)
320                 DRM_INFO("  Command Buffers 2.\n");
321         if (capabilities & SVGA_CAP_GBOBJECTS)
322                 DRM_INFO("  Guest Backed Resources.\n");
323         if (capabilities & SVGA_CAP_DX)
324                 DRM_INFO("  DX Features.\n");
325         if (capabilities & SVGA_CAP_HP_CMD_QUEUE)
326                 DRM_INFO("  HP Command Queue.\n");
327 }
328
329 /**
330  * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
331  *
332  * @dev_priv: A device private structure.
333  *
334  * This function creates a small buffer object that holds the query
335  * result for dummy queries emitted as query barriers.
336  * The function will then map the first page and initialize a pending
337  * occlusion query result structure, Finally it will unmap the buffer.
338  * No interruptible waits are done within this function.
339  *
340  * Returns an error if bo creation or initialization fails.
341  */
342 static int vmw_dummy_query_bo_create(struct vmw_private *dev_priv)
343 {
344         int ret;
345         struct vmw_buffer_object *vbo;
346         struct ttm_bo_kmap_obj map;
347         volatile SVGA3dQueryResult *result;
348         bool dummy;
349
350         /*
351          * Create the vbo as pinned, so that a tryreserve will
352          * immediately succeed. This is because we're the only
353          * user of the bo currently.
354          */
355         vbo = kzalloc(sizeof(*vbo), GFP_KERNEL);
356         if (!vbo)
357                 return -ENOMEM;
358
359         ret = vmw_bo_init(dev_priv, vbo, PAGE_SIZE,
360                           &vmw_sys_ne_placement, false,
361                           &vmw_bo_bo_free);
362         if (unlikely(ret != 0))
363                 return ret;
364
365         ret = ttm_bo_reserve(&vbo->base, false, true, NULL);
366         BUG_ON(ret != 0);
367         vmw_bo_pin_reserved(vbo, true);
368
369         ret = ttm_bo_kmap(&vbo->base, 0, 1, &map);
370         if (likely(ret == 0)) {
371                 result = ttm_kmap_obj_virtual(&map, &dummy);
372                 result->totalSize = sizeof(*result);
373                 result->state = SVGA3D_QUERYSTATE_PENDING;
374                 result->result32 = 0xff;
375                 ttm_bo_kunmap(&map);
376         }
377         vmw_bo_pin_reserved(vbo, false);
378         ttm_bo_unreserve(&vbo->base);
379
380         if (unlikely(ret != 0)) {
381                 DRM_ERROR("Dummy query buffer map failed.\n");
382                 vmw_bo_unreference(&vbo);
383         } else
384                 dev_priv->dummy_query_bo = vbo;
385
386         return ret;
387 }
388
389 /**
390  * vmw_request_device_late - Perform late device setup
391  *
392  * @dev_priv: Pointer to device private.
393  *
394  * This function performs setup of otables and enables large command
395  * buffer submission. These tasks are split out to a separate function
396  * because it reverts vmw_release_device_early and is intended to be used
397  * by an error path in the hibernation code.
398  */
399 static int vmw_request_device_late(struct vmw_private *dev_priv)
400 {
401         int ret;
402
403         if (dev_priv->has_mob) {
404                 ret = vmw_otables_setup(dev_priv);
405                 if (unlikely(ret != 0)) {
406                         DRM_ERROR("Unable to initialize "
407                                   "guest Memory OBjects.\n");
408                         return ret;
409                 }
410         }
411
412         if (dev_priv->cman) {
413                 ret = vmw_cmdbuf_set_pool_size(dev_priv->cman,
414                                                256*4096, 2*4096);
415                 if (ret) {
416                         struct vmw_cmdbuf_man *man = dev_priv->cman;
417
418                         dev_priv->cman = NULL;
419                         vmw_cmdbuf_man_destroy(man);
420                 }
421         }
422
423         return 0;
424 }
425
426 static int vmw_request_device(struct vmw_private *dev_priv)
427 {
428         int ret;
429
430         ret = vmw_fifo_init(dev_priv, &dev_priv->fifo);
431         if (unlikely(ret != 0)) {
432                 DRM_ERROR("Unable to initialize FIFO.\n");
433                 return ret;
434         }
435         vmw_fence_fifo_up(dev_priv->fman);
436         dev_priv->cman = vmw_cmdbuf_man_create(dev_priv);
437         if (IS_ERR(dev_priv->cman)) {
438                 dev_priv->cman = NULL;
439                 dev_priv->has_dx = false;
440         }
441
442         ret = vmw_request_device_late(dev_priv);
443         if (ret)
444                 goto out_no_mob;
445
446         ret = vmw_dummy_query_bo_create(dev_priv);
447         if (unlikely(ret != 0))
448                 goto out_no_query_bo;
449
450         return 0;
451
452 out_no_query_bo:
453         if (dev_priv->cman)
454                 vmw_cmdbuf_remove_pool(dev_priv->cman);
455         if (dev_priv->has_mob) {
456                 (void) ttm_bo_evict_mm(&dev_priv->bdev, VMW_PL_MOB);
457                 vmw_otables_takedown(dev_priv);
458         }
459         if (dev_priv->cman)
460                 vmw_cmdbuf_man_destroy(dev_priv->cman);
461 out_no_mob:
462         vmw_fence_fifo_down(dev_priv->fman);
463         vmw_fifo_release(dev_priv, &dev_priv->fifo);
464         return ret;
465 }
466
467 /**
468  * vmw_release_device_early - Early part of fifo takedown.
469  *
470  * @dev_priv: Pointer to device private struct.
471  *
472  * This is the first part of command submission takedown, to be called before
473  * buffer management is taken down.
474  */
475 static void vmw_release_device_early(struct vmw_private *dev_priv)
476 {
477         /*
478          * Previous destructions should've released
479          * the pinned bo.
480          */
481
482         BUG_ON(dev_priv->pinned_bo != NULL);
483
484         vmw_bo_unreference(&dev_priv->dummy_query_bo);
485         if (dev_priv->cman)
486                 vmw_cmdbuf_remove_pool(dev_priv->cman);
487
488         if (dev_priv->has_mob) {
489                 ttm_bo_evict_mm(&dev_priv->bdev, VMW_PL_MOB);
490                 vmw_otables_takedown(dev_priv);
491         }
492 }
493
494 /**
495  * vmw_release_device_late - Late part of fifo takedown.
496  *
497  * @dev_priv: Pointer to device private struct.
498  *
499  * This is the last part of the command submission takedown, to be called when
500  * command submission is no longer needed. It may wait on pending fences.
501  */
502 static void vmw_release_device_late(struct vmw_private *dev_priv)
503 {
504         vmw_fence_fifo_down(dev_priv->fman);
505         if (dev_priv->cman)
506                 vmw_cmdbuf_man_destroy(dev_priv->cman);
507
508         vmw_fifo_release(dev_priv, &dev_priv->fifo);
509 }
510
511 /**
512  * Sets the initial_[width|height] fields on the given vmw_private.
513  *
514  * It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then
515  * clamping the value to fb_max_[width|height] fields and the
516  * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
517  * If the values appear to be invalid, set them to
518  * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
519  */
520 static void vmw_get_initial_size(struct vmw_private *dev_priv)
521 {
522         uint32_t width;
523         uint32_t height;
524
525         width = vmw_read(dev_priv, SVGA_REG_WIDTH);
526         height = vmw_read(dev_priv, SVGA_REG_HEIGHT);
527
528         width = max_t(uint32_t, width, VMW_MIN_INITIAL_WIDTH);
529         height = max_t(uint32_t, height, VMW_MIN_INITIAL_HEIGHT);
530
531         if (width > dev_priv->fb_max_width ||
532             height > dev_priv->fb_max_height) {
533
534                 /*
535                  * This is a host error and shouldn't occur.
536                  */
537
538                 width = VMW_MIN_INITIAL_WIDTH;
539                 height = VMW_MIN_INITIAL_HEIGHT;
540         }
541
542         dev_priv->initial_width = width;
543         dev_priv->initial_height = height;
544 }
545
546 /**
547  * vmw_dma_select_mode - Determine how DMA mappings should be set up for this
548  * system.
549  *
550  * @dev_priv: Pointer to a struct vmw_private
551  *
552  * This functions tries to determine the IOMMU setup and what actions
553  * need to be taken by the driver to make system pages visible to the
554  * device.
555  * If this function decides that DMA is not possible, it returns -EINVAL.
556  * The driver may then try to disable features of the device that require
557  * DMA.
558  */
559 static int vmw_dma_select_mode(struct vmw_private *dev_priv)
560 {
561         static const char *names[vmw_dma_map_max] = {
562                 [vmw_dma_phys] = "Using physical TTM page addresses.",
563                 [vmw_dma_alloc_coherent] = "Using coherent TTM pages.",
564                 [vmw_dma_map_populate] = "Keeping DMA mappings.",
565                 [vmw_dma_map_bind] = "Giving up DMA mappings early."};
566 #ifdef CONFIG_X86
567         const struct dma_map_ops *dma_ops = get_dma_ops(dev_priv->dev->dev);
568
569 #ifdef CONFIG_INTEL_IOMMU
570         if (intel_iommu_enabled) {
571                 dev_priv->map_mode = vmw_dma_map_populate;
572                 goto out_fixup;
573         }
574 #endif
575
576         if (!(vmw_force_iommu || vmw_force_coherent)) {
577                 dev_priv->map_mode = vmw_dma_phys;
578                 DRM_INFO("DMA map mode: %s\n", names[dev_priv->map_mode]);
579                 return 0;
580         }
581
582         dev_priv->map_mode = vmw_dma_map_populate;
583
584         if (dma_ops->sync_single_for_cpu)
585                 dev_priv->map_mode = vmw_dma_alloc_coherent;
586 #ifdef CONFIG_SWIOTLB
587         if (swiotlb_nr_tbl() == 0)
588                 dev_priv->map_mode = vmw_dma_map_populate;
589 #endif
590
591 #ifdef CONFIG_INTEL_IOMMU
592 out_fixup:
593 #endif
594         if (dev_priv->map_mode == vmw_dma_map_populate &&
595             vmw_restrict_iommu)
596                 dev_priv->map_mode = vmw_dma_map_bind;
597
598         if (vmw_force_coherent)
599                 dev_priv->map_mode = vmw_dma_alloc_coherent;
600
601 #if !defined(CONFIG_SWIOTLB) && !defined(CONFIG_INTEL_IOMMU)
602         /*
603          * No coherent page pool
604          */
605         if (dev_priv->map_mode == vmw_dma_alloc_coherent)
606                 return -EINVAL;
607 #endif
608
609 #else /* CONFIG_X86 */
610         dev_priv->map_mode = vmw_dma_map_populate;
611 #endif /* CONFIG_X86 */
612
613         DRM_INFO("DMA map mode: %s\n", names[dev_priv->map_mode]);
614
615         return 0;
616 }
617
618 /**
619  * vmw_dma_masks - set required page- and dma masks
620  *
621  * @dev: Pointer to struct drm-device
622  *
623  * With 32-bit we can only handle 32 bit PFNs. Optionally set that
624  * restriction also for 64-bit systems.
625  */
626 #ifdef CONFIG_INTEL_IOMMU
627 static int vmw_dma_masks(struct vmw_private *dev_priv)
628 {
629         struct drm_device *dev = dev_priv->dev;
630
631         if (intel_iommu_enabled &&
632             (sizeof(unsigned long) == 4 || vmw_restrict_dma_mask)) {
633                 DRM_INFO("Restricting DMA addresses to 44 bits.\n");
634                 return dma_set_mask(dev->dev, DMA_BIT_MASK(44));
635         }
636         return 0;
637 }
638 #else
639 static int vmw_dma_masks(struct vmw_private *dev_priv)
640 {
641         return 0;
642 }
643 #endif
644
645 static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
646 {
647         struct vmw_private *dev_priv;
648         int ret;
649         uint32_t svga_id;
650         enum vmw_res_type i;
651         bool refuse_dma = false;
652         char host_log[100] = {0};
653
654         dev_priv = kzalloc(sizeof(*dev_priv), GFP_KERNEL);
655         if (unlikely(!dev_priv)) {
656                 DRM_ERROR("Failed allocating a device private struct.\n");
657                 return -ENOMEM;
658         }
659
660         pci_set_master(dev->pdev);
661
662         dev_priv->dev = dev;
663         dev_priv->vmw_chipset = chipset;
664         dev_priv->last_read_seqno = (uint32_t) -100;
665         mutex_init(&dev_priv->cmdbuf_mutex);
666         mutex_init(&dev_priv->release_mutex);
667         mutex_init(&dev_priv->binding_mutex);
668         mutex_init(&dev_priv->requested_layout_mutex);
669         mutex_init(&dev_priv->global_kms_state_mutex);
670         ttm_lock_init(&dev_priv->reservation_sem);
671         spin_lock_init(&dev_priv->resource_lock);
672         spin_lock_init(&dev_priv->hw_lock);
673         spin_lock_init(&dev_priv->waiter_lock);
674         spin_lock_init(&dev_priv->cap_lock);
675         spin_lock_init(&dev_priv->svga_lock);
676         spin_lock_init(&dev_priv->cursor_lock);
677
678         for (i = vmw_res_context; i < vmw_res_max; ++i) {
679                 idr_init(&dev_priv->res_idr[i]);
680                 INIT_LIST_HEAD(&dev_priv->res_lru[i]);
681         }
682
683         mutex_init(&dev_priv->init_mutex);
684         init_waitqueue_head(&dev_priv->fence_queue);
685         init_waitqueue_head(&dev_priv->fifo_queue);
686         dev_priv->fence_queue_waiters = 0;
687         dev_priv->fifo_queue_waiters = 0;
688
689         dev_priv->used_memory_size = 0;
690
691         dev_priv->io_start = pci_resource_start(dev->pdev, 0);
692         dev_priv->vram_start = pci_resource_start(dev->pdev, 1);
693         dev_priv->mmio_start = pci_resource_start(dev->pdev, 2);
694
695         dev_priv->assume_16bpp = !!vmw_assume_16bpp;
696
697         dev_priv->enable_fb = enable_fbdev;
698
699         vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
700         svga_id = vmw_read(dev_priv, SVGA_REG_ID);
701         if (svga_id != SVGA_ID_2) {
702                 ret = -ENOSYS;
703                 DRM_ERROR("Unsupported SVGA ID 0x%x\n", svga_id);
704                 goto out_err0;
705         }
706
707         dev_priv->capabilities = vmw_read(dev_priv, SVGA_REG_CAPABILITIES);
708
709         if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER) {
710                 dev_priv->capabilities2 = vmw_read(dev_priv, SVGA_REG_CAP2);
711         }
712
713
714         ret = vmw_dma_select_mode(dev_priv);
715         if (unlikely(ret != 0)) {
716                 DRM_INFO("Restricting capabilities due to IOMMU setup.\n");
717                 refuse_dma = true;
718         }
719
720         dev_priv->vram_size = vmw_read(dev_priv, SVGA_REG_VRAM_SIZE);
721         dev_priv->mmio_size = vmw_read(dev_priv, SVGA_REG_MEM_SIZE);
722         dev_priv->fb_max_width = vmw_read(dev_priv, SVGA_REG_MAX_WIDTH);
723         dev_priv->fb_max_height = vmw_read(dev_priv, SVGA_REG_MAX_HEIGHT);
724
725         vmw_get_initial_size(dev_priv);
726
727         if (dev_priv->capabilities & SVGA_CAP_GMR2) {
728                 dev_priv->max_gmr_ids =
729                         vmw_read(dev_priv, SVGA_REG_GMR_MAX_IDS);
730                 dev_priv->max_gmr_pages =
731                         vmw_read(dev_priv, SVGA_REG_GMRS_MAX_PAGES);
732                 dev_priv->memory_size =
733                         vmw_read(dev_priv, SVGA_REG_MEMORY_SIZE);
734                 dev_priv->memory_size -= dev_priv->vram_size;
735         } else {
736                 /*
737                  * An arbitrary limit of 512MiB on surface
738                  * memory. But all HWV8 hardware supports GMR2.
739                  */
740                 dev_priv->memory_size = 512*1024*1024;
741         }
742         dev_priv->max_mob_pages = 0;
743         dev_priv->max_mob_size = 0;
744         if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
745                 uint64_t mem_size =
746                         vmw_read(dev_priv,
747                                  SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB);
748
749                 /*
750                  * Workaround for low memory 2D VMs to compensate for the
751                  * allocation taken by fbdev
752                  */
753                 if (!(dev_priv->capabilities & SVGA_CAP_3D))
754                         mem_size *= 3;
755
756                 dev_priv->max_mob_pages = mem_size * 1024 / PAGE_SIZE;
757                 dev_priv->prim_bb_mem =
758                         vmw_read(dev_priv,
759                                  SVGA_REG_MAX_PRIMARY_BOUNDING_BOX_MEM);
760                 dev_priv->max_mob_size =
761                         vmw_read(dev_priv, SVGA_REG_MOB_MAX_SIZE);
762                 dev_priv->stdu_max_width =
763                         vmw_read(dev_priv, SVGA_REG_SCREENTARGET_MAX_WIDTH);
764                 dev_priv->stdu_max_height =
765                         vmw_read(dev_priv, SVGA_REG_SCREENTARGET_MAX_HEIGHT);
766
767                 vmw_write(dev_priv, SVGA_REG_DEV_CAP,
768                           SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH);
769                 dev_priv->texture_max_width = vmw_read(dev_priv,
770                                                        SVGA_REG_DEV_CAP);
771                 vmw_write(dev_priv, SVGA_REG_DEV_CAP,
772                           SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT);
773                 dev_priv->texture_max_height = vmw_read(dev_priv,
774                                                         SVGA_REG_DEV_CAP);
775         } else {
776                 dev_priv->texture_max_width = 8192;
777                 dev_priv->texture_max_height = 8192;
778                 dev_priv->prim_bb_mem = dev_priv->vram_size;
779         }
780
781         vmw_print_capabilities(dev_priv->capabilities);
782         if (dev_priv->capabilities & SVGA_CAP_CAP2_REGISTER)
783                 vmw_print_capabilities2(dev_priv->capabilities2);
784
785         ret = vmw_dma_masks(dev_priv);
786         if (unlikely(ret != 0))
787                 goto out_err0;
788
789         if (dev_priv->capabilities & SVGA_CAP_GMR2) {
790                 DRM_INFO("Max GMR ids is %u\n",
791                          (unsigned)dev_priv->max_gmr_ids);
792                 DRM_INFO("Max number of GMR pages is %u\n",
793                          (unsigned)dev_priv->max_gmr_pages);
794                 DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
795                          (unsigned)dev_priv->memory_size / 1024);
796         }
797         DRM_INFO("Maximum display memory size is %u kiB\n",
798                  dev_priv->prim_bb_mem / 1024);
799         DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
800                  dev_priv->vram_start, dev_priv->vram_size / 1024);
801         DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
802                  dev_priv->mmio_start, dev_priv->mmio_size / 1024);
803
804         ret = vmw_ttm_global_init(dev_priv);
805         if (unlikely(ret != 0))
806                 goto out_err0;
807
808
809         vmw_master_init(&dev_priv->fbdev_master);
810         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
811         dev_priv->active_master = &dev_priv->fbdev_master;
812
813         dev_priv->mmio_virt = memremap(dev_priv->mmio_start,
814                                        dev_priv->mmio_size, MEMREMAP_WB);
815
816         if (unlikely(dev_priv->mmio_virt == NULL)) {
817                 ret = -ENOMEM;
818                 DRM_ERROR("Failed mapping MMIO.\n");
819                 goto out_err3;
820         }
821
822         /* Need mmio memory to check for fifo pitchlock cap. */
823         if (!(dev_priv->capabilities & SVGA_CAP_DISPLAY_TOPOLOGY) &&
824             !(dev_priv->capabilities & SVGA_CAP_PITCHLOCK) &&
825             !vmw_fifo_have_pitchlock(dev_priv)) {
826                 ret = -ENOSYS;
827                 DRM_ERROR("Hardware has no pitchlock\n");
828                 goto out_err4;
829         }
830
831         dev_priv->tdev = ttm_object_device_init
832                 (dev_priv->mem_global_ref.object, 12, &vmw_prime_dmabuf_ops);
833
834         if (unlikely(dev_priv->tdev == NULL)) {
835                 DRM_ERROR("Unable to initialize TTM object management.\n");
836                 ret = -ENOMEM;
837                 goto out_err4;
838         }
839
840         dev->dev_private = dev_priv;
841
842         ret = pci_request_regions(dev->pdev, "vmwgfx probe");
843         dev_priv->stealth = (ret != 0);
844         if (dev_priv->stealth) {
845                 /**
846                  * Request at least the mmio PCI resource.
847                  */
848
849                 DRM_INFO("It appears like vesafb is loaded. "
850                          "Ignore above error if any.\n");
851                 ret = pci_request_region(dev->pdev, 2, "vmwgfx stealth probe");
852                 if (unlikely(ret != 0)) {
853                         DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
854                         goto out_no_device;
855                 }
856         }
857
858         if (dev_priv->capabilities & SVGA_CAP_IRQMASK) {
859                 ret = vmw_irq_install(dev, dev->pdev->irq);
860                 if (ret != 0) {
861                         DRM_ERROR("Failed installing irq: %d\n", ret);
862                         goto out_no_irq;
863                 }
864         }
865
866         dev_priv->fman = vmw_fence_manager_init(dev_priv);
867         if (unlikely(dev_priv->fman == NULL)) {
868                 ret = -ENOMEM;
869                 goto out_no_fman;
870         }
871
872         ret = ttm_bo_device_init(&dev_priv->bdev,
873                                  dev_priv->bo_global_ref.ref.object,
874                                  &vmw_bo_driver,
875                                  dev->anon_inode->i_mapping,
876                                  VMWGFX_FILE_PAGE_OFFSET,
877                                  false);
878         if (unlikely(ret != 0)) {
879                 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
880                 goto out_no_bdev;
881         }
882
883         /*
884          * Enable VRAM, but initially don't use it until SVGA is enabled and
885          * unhidden.
886          */
887         ret = ttm_bo_init_mm(&dev_priv->bdev, TTM_PL_VRAM,
888                              (dev_priv->vram_size >> PAGE_SHIFT));
889         if (unlikely(ret != 0)) {
890                 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
891                 goto out_no_vram;
892         }
893         dev_priv->bdev.man[TTM_PL_VRAM].use_type = false;
894
895         dev_priv->has_gmr = true;
896         if (((dev_priv->capabilities & (SVGA_CAP_GMR | SVGA_CAP_GMR2)) == 0) ||
897             refuse_dma || ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_GMR,
898                                          VMW_PL_GMR) != 0) {
899                 DRM_INFO("No GMR memory available. "
900                          "Graphics memory resources are very limited.\n");
901                 dev_priv->has_gmr = false;
902         }
903
904         if (dev_priv->capabilities & SVGA_CAP_GBOBJECTS) {
905                 dev_priv->has_mob = true;
906                 if (ttm_bo_init_mm(&dev_priv->bdev, VMW_PL_MOB,
907                                    VMW_PL_MOB) != 0) {
908                         DRM_INFO("No MOB memory available. "
909                                  "3D will be disabled.\n");
910                         dev_priv->has_mob = false;
911                 }
912         }
913
914         if (dev_priv->has_mob) {
915                 spin_lock(&dev_priv->cap_lock);
916                 vmw_write(dev_priv, SVGA_REG_DEV_CAP, SVGA3D_DEVCAP_DXCONTEXT);
917                 dev_priv->has_dx = !!vmw_read(dev_priv, SVGA_REG_DEV_CAP);
918                 spin_unlock(&dev_priv->cap_lock);
919         }
920
921
922         ret = vmw_kms_init(dev_priv);
923         if (unlikely(ret != 0))
924                 goto out_no_kms;
925         vmw_overlay_init(dev_priv);
926
927         ret = vmw_request_device(dev_priv);
928         if (ret)
929                 goto out_no_fifo;
930
931         if (dev_priv->has_dx) {
932                 /*
933                  * SVGA_CAP2_DX2 (DefineGBSurface_v3) is needed for SM4_1
934                  * support
935                  */
936                 if ((dev_priv->capabilities2 & SVGA_CAP2_DX2) != 0) {
937                         vmw_write(dev_priv, SVGA_REG_DEV_CAP,
938                                         SVGA3D_DEVCAP_SM41);
939                         dev_priv->has_sm4_1 = vmw_read(dev_priv,
940                                                         SVGA_REG_DEV_CAP);
941                 }
942         }
943
944         DRM_INFO("DX: %s\n", dev_priv->has_dx ? "yes." : "no.");
945         DRM_INFO("Atomic: %s\n", (dev->driver->driver_features & DRIVER_ATOMIC)
946                  ? "yes." : "no.");
947         DRM_INFO("SM4_1: %s\n", dev_priv->has_sm4_1 ? "yes." : "no.");
948
949         snprintf(host_log, sizeof(host_log), "vmwgfx: %s-%s",
950                 VMWGFX_REPO, VMWGFX_GIT_VERSION);
951         vmw_host_log(host_log);
952
953         memset(host_log, 0, sizeof(host_log));
954         snprintf(host_log, sizeof(host_log), "vmwgfx: Module Version: %d.%d.%d",
955                 VMWGFX_DRIVER_MAJOR, VMWGFX_DRIVER_MINOR,
956                 VMWGFX_DRIVER_PATCHLEVEL);
957         vmw_host_log(host_log);
958
959         if (dev_priv->enable_fb) {
960                 vmw_fifo_resource_inc(dev_priv);
961                 vmw_svga_enable(dev_priv);
962                 vmw_fb_init(dev_priv);
963         }
964
965         dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
966         register_pm_notifier(&dev_priv->pm_nb);
967
968         return 0;
969
970 out_no_fifo:
971         vmw_overlay_close(dev_priv);
972         vmw_kms_close(dev_priv);
973 out_no_kms:
974         if (dev_priv->has_mob)
975                 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
976         if (dev_priv->has_gmr)
977                 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
978         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
979 out_no_vram:
980         (void)ttm_bo_device_release(&dev_priv->bdev);
981 out_no_bdev:
982         vmw_fence_manager_takedown(dev_priv->fman);
983 out_no_fman:
984         if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
985                 vmw_irq_uninstall(dev_priv->dev);
986 out_no_irq:
987         if (dev_priv->stealth)
988                 pci_release_region(dev->pdev, 2);
989         else
990                 pci_release_regions(dev->pdev);
991 out_no_device:
992         ttm_object_device_release(&dev_priv->tdev);
993 out_err4:
994         memunmap(dev_priv->mmio_virt);
995 out_err3:
996         vmw_ttm_global_release(dev_priv);
997 out_err0:
998         for (i = vmw_res_context; i < vmw_res_max; ++i)
999                 idr_destroy(&dev_priv->res_idr[i]);
1000
1001         if (dev_priv->ctx.staged_bindings)
1002                 vmw_binding_state_free(dev_priv->ctx.staged_bindings);
1003         kfree(dev_priv);
1004         return ret;
1005 }
1006
1007 static void vmw_driver_unload(struct drm_device *dev)
1008 {
1009         struct vmw_private *dev_priv = vmw_priv(dev);
1010         enum vmw_res_type i;
1011
1012         unregister_pm_notifier(&dev_priv->pm_nb);
1013
1014         if (dev_priv->ctx.res_ht_initialized)
1015                 drm_ht_remove(&dev_priv->ctx.res_ht);
1016         vfree(dev_priv->ctx.cmd_bounce);
1017         if (dev_priv->enable_fb) {
1018                 vmw_fb_off(dev_priv);
1019                 vmw_fb_close(dev_priv);
1020                 vmw_fifo_resource_dec(dev_priv);
1021                 vmw_svga_disable(dev_priv);
1022         }
1023
1024         vmw_kms_close(dev_priv);
1025         vmw_overlay_close(dev_priv);
1026
1027         if (dev_priv->has_gmr)
1028                 (void)ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_GMR);
1029         (void)ttm_bo_clean_mm(&dev_priv->bdev, TTM_PL_VRAM);
1030
1031         vmw_release_device_early(dev_priv);
1032         if (dev_priv->has_mob)
1033                 (void) ttm_bo_clean_mm(&dev_priv->bdev, VMW_PL_MOB);
1034         (void) ttm_bo_device_release(&dev_priv->bdev);
1035         vmw_release_device_late(dev_priv);
1036         vmw_fence_manager_takedown(dev_priv->fman);
1037         if (dev_priv->capabilities & SVGA_CAP_IRQMASK)
1038                 vmw_irq_uninstall(dev_priv->dev);
1039         if (dev_priv->stealth)
1040                 pci_release_region(dev->pdev, 2);
1041         else
1042                 pci_release_regions(dev->pdev);
1043
1044         ttm_object_device_release(&dev_priv->tdev);
1045         memunmap(dev_priv->mmio_virt);
1046         if (dev_priv->ctx.staged_bindings)
1047                 vmw_binding_state_free(dev_priv->ctx.staged_bindings);
1048         vmw_ttm_global_release(dev_priv);
1049
1050         for (i = vmw_res_context; i < vmw_res_max; ++i)
1051                 idr_destroy(&dev_priv->res_idr[i]);
1052
1053         kfree(dev_priv);
1054 }
1055
1056 static void vmw_postclose(struct drm_device *dev,
1057                          struct drm_file *file_priv)
1058 {
1059         struct vmw_fpriv *vmw_fp;
1060
1061         vmw_fp = vmw_fpriv(file_priv);
1062
1063         if (vmw_fp->locked_master) {
1064                 struct vmw_master *vmaster =
1065                         vmw_master(vmw_fp->locked_master);
1066
1067                 ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
1068                 ttm_vt_unlock(&vmaster->lock);
1069                 drm_master_put(&vmw_fp->locked_master);
1070         }
1071
1072         ttm_object_file_release(&vmw_fp->tfile);
1073         kfree(vmw_fp);
1074 }
1075
1076 static int vmw_driver_open(struct drm_device *dev, struct drm_file *file_priv)
1077 {
1078         struct vmw_private *dev_priv = vmw_priv(dev);
1079         struct vmw_fpriv *vmw_fp;
1080         int ret = -ENOMEM;
1081
1082         vmw_fp = kzalloc(sizeof(*vmw_fp), GFP_KERNEL);
1083         if (unlikely(!vmw_fp))
1084                 return ret;
1085
1086         vmw_fp->tfile = ttm_object_file_init(dev_priv->tdev, 10);
1087         if (unlikely(vmw_fp->tfile == NULL))
1088                 goto out_no_tfile;
1089
1090         file_priv->driver_priv = vmw_fp;
1091
1092         return 0;
1093
1094 out_no_tfile:
1095         kfree(vmw_fp);
1096         return ret;
1097 }
1098
1099 static struct vmw_master *vmw_master_check(struct drm_device *dev,
1100                                            struct drm_file *file_priv,
1101                                            unsigned int flags)
1102 {
1103         int ret;
1104         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
1105         struct vmw_master *vmaster;
1106
1107         if (!drm_is_primary_client(file_priv) || !(flags & DRM_AUTH))
1108                 return NULL;
1109
1110         ret = mutex_lock_interruptible(&dev->master_mutex);
1111         if (unlikely(ret != 0))
1112                 return ERR_PTR(-ERESTARTSYS);
1113
1114         if (drm_is_current_master(file_priv)) {
1115                 mutex_unlock(&dev->master_mutex);
1116                 return NULL;
1117         }
1118
1119         /*
1120          * Check if we were previously master, but now dropped. In that
1121          * case, allow at least render node functionality.
1122          */
1123         if (vmw_fp->locked_master) {
1124                 mutex_unlock(&dev->master_mutex);
1125
1126                 if (flags & DRM_RENDER_ALLOW)
1127                         return NULL;
1128
1129                 DRM_ERROR("Dropped master trying to access ioctl that "
1130                           "requires authentication.\n");
1131                 return ERR_PTR(-EACCES);
1132         }
1133         mutex_unlock(&dev->master_mutex);
1134
1135         /*
1136          * Take the TTM lock. Possibly sleep waiting for the authenticating
1137          * master to become master again, or for a SIGTERM if the
1138          * authenticating master exits.
1139          */
1140         vmaster = vmw_master(file_priv->master);
1141         ret = ttm_read_lock(&vmaster->lock, true);
1142         if (unlikely(ret != 0))
1143                 vmaster = ERR_PTR(ret);
1144
1145         return vmaster;
1146 }
1147
1148 static long vmw_generic_ioctl(struct file *filp, unsigned int cmd,
1149                               unsigned long arg,
1150                               long (*ioctl_func)(struct file *, unsigned int,
1151                                                  unsigned long))
1152 {
1153         struct drm_file *file_priv = filp->private_data;
1154         struct drm_device *dev = file_priv->minor->dev;
1155         unsigned int nr = DRM_IOCTL_NR(cmd);
1156         struct vmw_master *vmaster;
1157         unsigned int flags;
1158         long ret;
1159
1160         /*
1161          * Do extra checking on driver private ioctls.
1162          */
1163
1164         if ((nr >= DRM_COMMAND_BASE) && (nr < DRM_COMMAND_END)
1165             && (nr < DRM_COMMAND_BASE + dev->driver->num_ioctls)) {
1166                 const struct drm_ioctl_desc *ioctl =
1167                         &vmw_ioctls[nr - DRM_COMMAND_BASE];
1168
1169                 if (nr == DRM_COMMAND_BASE + DRM_VMW_EXECBUF) {
1170                         ret = (long) drm_ioctl_permit(ioctl->flags, file_priv);
1171                         if (unlikely(ret != 0))
1172                                 return ret;
1173
1174                         if (unlikely((cmd & (IOC_IN | IOC_OUT)) != IOC_IN))
1175                                 goto out_io_encoding;
1176
1177                         return (long) vmw_execbuf_ioctl(dev, arg, file_priv,
1178                                                         _IOC_SIZE(cmd));
1179                 } else if (nr == DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT) {
1180                         if (!drm_is_current_master(file_priv) &&
1181                             !capable(CAP_SYS_ADMIN))
1182                                 return -EACCES;
1183                 }
1184
1185                 if (unlikely(ioctl->cmd != cmd))
1186                         goto out_io_encoding;
1187
1188                 flags = ioctl->flags;
1189         } else if (!drm_ioctl_flags(nr, &flags))
1190                 return -EINVAL;
1191
1192         vmaster = vmw_master_check(dev, file_priv, flags);
1193         if (IS_ERR(vmaster)) {
1194                 ret = PTR_ERR(vmaster);
1195
1196                 if (ret != -ERESTARTSYS)
1197                         DRM_INFO("IOCTL ERROR Command %d, Error %ld.\n",
1198                                  nr, ret);
1199                 return ret;
1200         }
1201
1202         ret = ioctl_func(filp, cmd, arg);
1203         if (vmaster)
1204                 ttm_read_unlock(&vmaster->lock);
1205
1206         return ret;
1207
1208 out_io_encoding:
1209         DRM_ERROR("Invalid command format, ioctl %d\n",
1210                   nr - DRM_COMMAND_BASE);
1211
1212         return -EINVAL;
1213 }
1214
1215 static long vmw_unlocked_ioctl(struct file *filp, unsigned int cmd,
1216                                unsigned long arg)
1217 {
1218         return vmw_generic_ioctl(filp, cmd, arg, &drm_ioctl);
1219 }
1220
1221 #ifdef CONFIG_COMPAT
1222 static long vmw_compat_ioctl(struct file *filp, unsigned int cmd,
1223                              unsigned long arg)
1224 {
1225         return vmw_generic_ioctl(filp, cmd, arg, &drm_compat_ioctl);
1226 }
1227 #endif
1228
1229 static void vmw_lastclose(struct drm_device *dev)
1230 {
1231 }
1232
1233 static void vmw_master_init(struct vmw_master *vmaster)
1234 {
1235         ttm_lock_init(&vmaster->lock);
1236 }
1237
1238 static int vmw_master_create(struct drm_device *dev,
1239                              struct drm_master *master)
1240 {
1241         struct vmw_master *vmaster;
1242
1243         vmaster = kzalloc(sizeof(*vmaster), GFP_KERNEL);
1244         if (unlikely(!vmaster))
1245                 return -ENOMEM;
1246
1247         vmw_master_init(vmaster);
1248         ttm_lock_set_kill(&vmaster->lock, true, SIGTERM);
1249         master->driver_priv = vmaster;
1250
1251         return 0;
1252 }
1253
1254 static void vmw_master_destroy(struct drm_device *dev,
1255                                struct drm_master *master)
1256 {
1257         struct vmw_master *vmaster = vmw_master(master);
1258
1259         master->driver_priv = NULL;
1260         kfree(vmaster);
1261 }
1262
1263 static int vmw_master_set(struct drm_device *dev,
1264                           struct drm_file *file_priv,
1265                           bool from_open)
1266 {
1267         struct vmw_private *dev_priv = vmw_priv(dev);
1268         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
1269         struct vmw_master *active = dev_priv->active_master;
1270         struct vmw_master *vmaster = vmw_master(file_priv->master);
1271         int ret = 0;
1272
1273         if (active) {
1274                 BUG_ON(active != &dev_priv->fbdev_master);
1275                 ret = ttm_vt_lock(&active->lock, false, vmw_fp->tfile);
1276                 if (unlikely(ret != 0))
1277                         return ret;
1278
1279                 ttm_lock_set_kill(&active->lock, true, SIGTERM);
1280                 dev_priv->active_master = NULL;
1281         }
1282
1283         ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
1284         if (!from_open) {
1285                 ttm_vt_unlock(&vmaster->lock);
1286                 BUG_ON(vmw_fp->locked_master != file_priv->master);
1287                 drm_master_put(&vmw_fp->locked_master);
1288         }
1289
1290         dev_priv->active_master = vmaster;
1291         drm_sysfs_hotplug_event(dev);
1292
1293         return 0;
1294 }
1295
1296 static void vmw_master_drop(struct drm_device *dev,
1297                             struct drm_file *file_priv)
1298 {
1299         struct vmw_private *dev_priv = vmw_priv(dev);
1300         struct vmw_fpriv *vmw_fp = vmw_fpriv(file_priv);
1301         struct vmw_master *vmaster = vmw_master(file_priv->master);
1302         int ret;
1303
1304         /**
1305          * Make sure the master doesn't disappear while we have
1306          * it locked.
1307          */
1308
1309         vmw_fp->locked_master = drm_master_get(file_priv->master);
1310         ret = ttm_vt_lock(&vmaster->lock, false, vmw_fp->tfile);
1311         vmw_kms_legacy_hotspot_clear(dev_priv);
1312         if (unlikely((ret != 0))) {
1313                 DRM_ERROR("Unable to lock TTM at VT switch.\n");
1314                 drm_master_put(&vmw_fp->locked_master);
1315         }
1316
1317         ttm_lock_set_kill(&vmaster->lock, false, SIGTERM);
1318
1319         if (!dev_priv->enable_fb)
1320                 vmw_svga_disable(dev_priv);
1321
1322         dev_priv->active_master = &dev_priv->fbdev_master;
1323         ttm_lock_set_kill(&dev_priv->fbdev_master.lock, false, SIGTERM);
1324         ttm_vt_unlock(&dev_priv->fbdev_master.lock);
1325 }
1326
1327 /**
1328  * __vmw_svga_enable - Enable SVGA mode, FIFO and use of VRAM.
1329  *
1330  * @dev_priv: Pointer to device private struct.
1331  * Needs the reservation sem to be held in non-exclusive mode.
1332  */
1333 static void __vmw_svga_enable(struct vmw_private *dev_priv)
1334 {
1335         spin_lock(&dev_priv->svga_lock);
1336         if (!dev_priv->bdev.man[TTM_PL_VRAM].use_type) {
1337                 vmw_write(dev_priv, SVGA_REG_ENABLE, SVGA_REG_ENABLE);
1338                 dev_priv->bdev.man[TTM_PL_VRAM].use_type = true;
1339         }
1340         spin_unlock(&dev_priv->svga_lock);
1341 }
1342
1343 /**
1344  * vmw_svga_enable - Enable SVGA mode, FIFO and use of VRAM.
1345  *
1346  * @dev_priv: Pointer to device private struct.
1347  */
1348 void vmw_svga_enable(struct vmw_private *dev_priv)
1349 {
1350         (void) ttm_read_lock(&dev_priv->reservation_sem, false);
1351         __vmw_svga_enable(dev_priv);
1352         ttm_read_unlock(&dev_priv->reservation_sem);
1353 }
1354
1355 /**
1356  * __vmw_svga_disable - Disable SVGA mode and use of VRAM.
1357  *
1358  * @dev_priv: Pointer to device private struct.
1359  * Needs the reservation sem to be held in exclusive mode.
1360  * Will not empty VRAM. VRAM must be emptied by caller.
1361  */
1362 static void __vmw_svga_disable(struct vmw_private *dev_priv)
1363 {
1364         spin_lock(&dev_priv->svga_lock);
1365         if (dev_priv->bdev.man[TTM_PL_VRAM].use_type) {
1366                 dev_priv->bdev.man[TTM_PL_VRAM].use_type = false;
1367                 vmw_write(dev_priv, SVGA_REG_ENABLE,
1368                           SVGA_REG_ENABLE_HIDE |
1369                           SVGA_REG_ENABLE_ENABLE);
1370         }
1371         spin_unlock(&dev_priv->svga_lock);
1372 }
1373
1374 /**
1375  * vmw_svga_disable - Disable SVGA_MODE, and use of VRAM. Keep the fifo
1376  * running.
1377  *
1378  * @dev_priv: Pointer to device private struct.
1379  * Will empty VRAM.
1380  */
1381 void vmw_svga_disable(struct vmw_private *dev_priv)
1382 {
1383         /*
1384          * Disabling SVGA will turn off device modesetting capabilities, so
1385          * notify KMS about that so that it doesn't cache atomic state that
1386          * isn't valid anymore, for example crtcs turned on.
1387          * Strictly we'd want to do this under the SVGA lock (or an SVGA mutex),
1388          * but vmw_kms_lost_device() takes the reservation sem and thus we'll
1389          * end up with lock order reversal. Thus, a master may actually perform
1390          * a new modeset just after we call vmw_kms_lost_device() and race with
1391          * vmw_svga_disable(), but that should at worst cause atomic KMS state
1392          * to be inconsistent with the device, causing modesetting problems.
1393          *
1394          */
1395         vmw_kms_lost_device(dev_priv->dev);
1396         ttm_write_lock(&dev_priv->reservation_sem, false);
1397         spin_lock(&dev_priv->svga_lock);
1398         if (dev_priv->bdev.man[TTM_PL_VRAM].use_type) {
1399                 dev_priv->bdev.man[TTM_PL_VRAM].use_type = false;
1400                 spin_unlock(&dev_priv->svga_lock);
1401                 if (ttm_bo_evict_mm(&dev_priv->bdev, TTM_PL_VRAM))
1402                         DRM_ERROR("Failed evicting VRAM buffers.\n");
1403                 vmw_write(dev_priv, SVGA_REG_ENABLE,
1404                           SVGA_REG_ENABLE_HIDE |
1405                           SVGA_REG_ENABLE_ENABLE);
1406         } else
1407                 spin_unlock(&dev_priv->svga_lock);
1408         ttm_write_unlock(&dev_priv->reservation_sem);
1409 }
1410
1411 static void vmw_remove(struct pci_dev *pdev)
1412 {
1413         struct drm_device *dev = pci_get_drvdata(pdev);
1414
1415         pci_disable_device(pdev);
1416         drm_put_dev(dev);
1417 }
1418
1419 static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
1420                               void *ptr)
1421 {
1422         struct vmw_private *dev_priv =
1423                 container_of(nb, struct vmw_private, pm_nb);
1424
1425         switch (val) {
1426         case PM_HIBERNATION_PREPARE:
1427                 /*
1428                  * Take the reservation sem in write mode, which will make sure
1429                  * there are no other processes holding a buffer object
1430                  * reservation, meaning we should be able to evict all buffer
1431                  * objects if needed.
1432                  * Once user-space processes have been frozen, we can release
1433                  * the lock again.
1434                  */
1435                 ttm_suspend_lock(&dev_priv->reservation_sem);
1436                 dev_priv->suspend_locked = true;
1437                 break;
1438         case PM_POST_HIBERNATION:
1439         case PM_POST_RESTORE:
1440                 if (READ_ONCE(dev_priv->suspend_locked)) {
1441                         dev_priv->suspend_locked = false;
1442                         ttm_suspend_unlock(&dev_priv->reservation_sem);
1443                 }
1444                 break;
1445         default:
1446                 break;
1447         }
1448         return 0;
1449 }
1450
1451 static int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
1452 {
1453         struct drm_device *dev = pci_get_drvdata(pdev);
1454         struct vmw_private *dev_priv = vmw_priv(dev);
1455
1456         if (dev_priv->refuse_hibernation)
1457                 return -EBUSY;
1458
1459         pci_save_state(pdev);
1460         pci_disable_device(pdev);
1461         pci_set_power_state(pdev, PCI_D3hot);
1462         return 0;
1463 }
1464
1465 static int vmw_pci_resume(struct pci_dev *pdev)
1466 {
1467         pci_set_power_state(pdev, PCI_D0);
1468         pci_restore_state(pdev);
1469         return pci_enable_device(pdev);
1470 }
1471
1472 static int vmw_pm_suspend(struct device *kdev)
1473 {
1474         struct pci_dev *pdev = to_pci_dev(kdev);
1475         struct pm_message dummy;
1476
1477         dummy.event = 0;
1478
1479         return vmw_pci_suspend(pdev, dummy);
1480 }
1481
1482 static int vmw_pm_resume(struct device *kdev)
1483 {
1484         struct pci_dev *pdev = to_pci_dev(kdev);
1485
1486         return vmw_pci_resume(pdev);
1487 }
1488
1489 static int vmw_pm_freeze(struct device *kdev)
1490 {
1491         struct pci_dev *pdev = to_pci_dev(kdev);
1492         struct drm_device *dev = pci_get_drvdata(pdev);
1493         struct vmw_private *dev_priv = vmw_priv(dev);
1494         int ret;
1495
1496         /*
1497          * Unlock for vmw_kms_suspend.
1498          * No user-space processes should be running now.
1499          */
1500         ttm_suspend_unlock(&dev_priv->reservation_sem);
1501         ret = vmw_kms_suspend(dev_priv->dev);
1502         if (ret) {
1503                 ttm_suspend_lock(&dev_priv->reservation_sem);
1504                 DRM_ERROR("Failed to freeze modesetting.\n");
1505                 return ret;
1506         }
1507         if (dev_priv->enable_fb)
1508                 vmw_fb_off(dev_priv);
1509
1510         ttm_suspend_lock(&dev_priv->reservation_sem);
1511         vmw_execbuf_release_pinned_bo(dev_priv);
1512         vmw_resource_evict_all(dev_priv);
1513         vmw_release_device_early(dev_priv);
1514         ttm_bo_swapout_all(&dev_priv->bdev);
1515         if (dev_priv->enable_fb)
1516                 vmw_fifo_resource_dec(dev_priv);
1517         if (atomic_read(&dev_priv->num_fifo_resources) != 0) {
1518                 DRM_ERROR("Can't hibernate while 3D resources are active.\n");
1519                 if (dev_priv->enable_fb)
1520                         vmw_fifo_resource_inc(dev_priv);
1521                 WARN_ON(vmw_request_device_late(dev_priv));
1522                 dev_priv->suspend_locked = false;
1523                 ttm_suspend_unlock(&dev_priv->reservation_sem);
1524                 if (dev_priv->suspend_state)
1525                         vmw_kms_resume(dev);
1526                 if (dev_priv->enable_fb)
1527                         vmw_fb_on(dev_priv);
1528                 return -EBUSY;
1529         }
1530
1531         vmw_fence_fifo_down(dev_priv->fman);
1532         __vmw_svga_disable(dev_priv);
1533         
1534         vmw_release_device_late(dev_priv);
1535         return 0;
1536 }
1537
1538 static int vmw_pm_restore(struct device *kdev)
1539 {
1540         struct pci_dev *pdev = to_pci_dev(kdev);
1541         struct drm_device *dev = pci_get_drvdata(pdev);
1542         struct vmw_private *dev_priv = vmw_priv(dev);
1543         int ret;
1544
1545         vmw_write(dev_priv, SVGA_REG_ID, SVGA_ID_2);
1546         (void) vmw_read(dev_priv, SVGA_REG_ID);
1547
1548         if (dev_priv->enable_fb)
1549                 vmw_fifo_resource_inc(dev_priv);
1550
1551         ret = vmw_request_device(dev_priv);
1552         if (ret)
1553                 return ret;
1554
1555         if (dev_priv->enable_fb)
1556                 __vmw_svga_enable(dev_priv);
1557
1558         vmw_fence_fifo_up(dev_priv->fman);
1559         dev_priv->suspend_locked = false;
1560         ttm_suspend_unlock(&dev_priv->reservation_sem);
1561         if (dev_priv->suspend_state)
1562                 vmw_kms_resume(dev_priv->dev);
1563
1564         if (dev_priv->enable_fb)
1565                 vmw_fb_on(dev_priv);
1566
1567         return 0;
1568 }
1569
1570 static const struct dev_pm_ops vmw_pm_ops = {
1571         .freeze = vmw_pm_freeze,
1572         .thaw = vmw_pm_restore,
1573         .restore = vmw_pm_restore,
1574         .suspend = vmw_pm_suspend,
1575         .resume = vmw_pm_resume,
1576 };
1577
1578 static const struct file_operations vmwgfx_driver_fops = {
1579         .owner = THIS_MODULE,
1580         .open = drm_open,
1581         .release = drm_release,
1582         .unlocked_ioctl = vmw_unlocked_ioctl,
1583         .mmap = vmw_mmap,
1584         .poll = vmw_fops_poll,
1585         .read = vmw_fops_read,
1586 #if defined(CONFIG_COMPAT)
1587         .compat_ioctl = vmw_compat_ioctl,
1588 #endif
1589         .llseek = noop_llseek,
1590 };
1591
1592 static struct drm_driver driver = {
1593         .driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
1594         DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER | DRIVER_ATOMIC,
1595         .load = vmw_driver_load,
1596         .unload = vmw_driver_unload,
1597         .lastclose = vmw_lastclose,
1598         .get_vblank_counter = vmw_get_vblank_counter,
1599         .enable_vblank = vmw_enable_vblank,
1600         .disable_vblank = vmw_disable_vblank,
1601         .ioctls = vmw_ioctls,
1602         .num_ioctls = ARRAY_SIZE(vmw_ioctls),
1603         .master_create = vmw_master_create,
1604         .master_destroy = vmw_master_destroy,
1605         .master_set = vmw_master_set,
1606         .master_drop = vmw_master_drop,
1607         .open = vmw_driver_open,
1608         .postclose = vmw_postclose,
1609
1610         .dumb_create = vmw_dumb_create,
1611         .dumb_map_offset = vmw_dumb_map_offset,
1612         .dumb_destroy = vmw_dumb_destroy,
1613
1614         .prime_fd_to_handle = vmw_prime_fd_to_handle,
1615         .prime_handle_to_fd = vmw_prime_handle_to_fd,
1616
1617         .fops = &vmwgfx_driver_fops,
1618         .name = VMWGFX_DRIVER_NAME,
1619         .desc = VMWGFX_DRIVER_DESC,
1620         .date = VMWGFX_DRIVER_DATE,
1621         .major = VMWGFX_DRIVER_MAJOR,
1622         .minor = VMWGFX_DRIVER_MINOR,
1623         .patchlevel = VMWGFX_DRIVER_PATCHLEVEL
1624 };
1625
1626 static struct pci_driver vmw_pci_driver = {
1627         .name = VMWGFX_DRIVER_NAME,
1628         .id_table = vmw_pci_id_list,
1629         .probe = vmw_probe,
1630         .remove = vmw_remove,
1631         .driver = {
1632                 .pm = &vmw_pm_ops
1633         }
1634 };
1635
1636 static int vmw_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
1637 {
1638         return drm_get_pci_dev(pdev, ent, &driver);
1639 }
1640
1641 static int __init vmwgfx_init(void)
1642 {
1643         int ret;
1644
1645         if (vgacon_text_force())
1646                 return -EINVAL;
1647
1648         ret = pci_register_driver(&vmw_pci_driver);
1649         if (ret)
1650                 DRM_ERROR("Failed initializing DRM.\n");
1651         return ret;
1652 }
1653
1654 static void __exit vmwgfx_exit(void)
1655 {
1656         pci_unregister_driver(&vmw_pci_driver);
1657 }
1658
1659 module_init(vmwgfx_init);
1660 module_exit(vmwgfx_exit);
1661
1662 MODULE_AUTHOR("VMware Inc. and others");
1663 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1664 MODULE_LICENSE("GPL and additional rights");
1665 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR) "."
1666                __stringify(VMWGFX_DRIVER_MINOR) "."
1667                __stringify(VMWGFX_DRIVER_PATCHLEVEL) "."
1668                "0");