1 /**************************************************************************
3 * Copyright © 2009 VMware, Inc., Palo Alto, CA., USA
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
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 **************************************************************************/
29 #include "vmwgfx_drv.h"
30 #include "ttm/ttm_placement.h"
31 #include "ttm/ttm_bo_driver.h"
32 #include "ttm/ttm_object.h"
33 #include "ttm/ttm_module.h"
35 #define VMWGFX_DRIVER_NAME "vmwgfx"
36 #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
37 #define VMWGFX_CHIP_SVGAII 0
38 #define VMW_FB_RESERVATION 0
41 * Fully encoded drm commands. Might move to vmw_drm.h
44 #define DRM_IOCTL_VMW_GET_PARAM \
45 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM, \
46 struct drm_vmw_getparam_arg)
47 #define DRM_IOCTL_VMW_ALLOC_DMABUF \
48 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF, \
49 union drm_vmw_alloc_dmabuf_arg)
50 #define DRM_IOCTL_VMW_UNREF_DMABUF \
51 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF, \
52 struct drm_vmw_unref_dmabuf_arg)
53 #define DRM_IOCTL_VMW_CURSOR_BYPASS \
54 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS, \
55 struct drm_vmw_cursor_bypass_arg)
57 #define DRM_IOCTL_VMW_CONTROL_STREAM \
58 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM, \
59 struct drm_vmw_control_stream_arg)
60 #define DRM_IOCTL_VMW_CLAIM_STREAM \
61 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
62 struct drm_vmw_stream_arg)
63 #define DRM_IOCTL_VMW_UNREF_STREAM \
64 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM, \
65 struct drm_vmw_stream_arg)
67 #define DRM_IOCTL_VMW_CREATE_CONTEXT \
68 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
69 struct drm_vmw_context_arg)
70 #define DRM_IOCTL_VMW_UNREF_CONTEXT \
71 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT, \
72 struct drm_vmw_context_arg)
73 #define DRM_IOCTL_VMW_CREATE_SURFACE \
74 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE, \
75 union drm_vmw_surface_create_arg)
76 #define DRM_IOCTL_VMW_UNREF_SURFACE \
77 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE, \
78 struct drm_vmw_surface_arg)
79 #define DRM_IOCTL_VMW_REF_SURFACE \
80 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE, \
81 union drm_vmw_surface_reference_arg)
82 #define DRM_IOCTL_VMW_EXECBUF \
83 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF, \
84 struct drm_vmw_execbuf_arg)
85 #define DRM_IOCTL_VMW_FIFO_DEBUG \
86 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FIFO_DEBUG, \
87 struct drm_vmw_fifo_debug_arg)
88 #define DRM_IOCTL_VMW_FENCE_WAIT \
89 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT, \
90 struct drm_vmw_fence_wait_arg)
94 * The core DRM version of this macro doesn't account for
98 #define VMW_IOCTL_DEF(ioctl, func, flags) \
99 [DRM_IOCTL_NR(ioctl) - DRM_COMMAND_BASE] = {ioctl, flags, func}
105 static struct drm_ioctl_desc vmw_ioctls
[] = {
106 VMW_IOCTL_DEF(DRM_IOCTL_VMW_GET_PARAM
, vmw_getparam_ioctl
, 0),
107 VMW_IOCTL_DEF(DRM_IOCTL_VMW_ALLOC_DMABUF
, vmw_dmabuf_alloc_ioctl
,
109 VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_DMABUF
, vmw_dmabuf_unref_ioctl
,
111 VMW_IOCTL_DEF(DRM_IOCTL_VMW_CURSOR_BYPASS
,
112 vmw_kms_cursor_bypass_ioctl
, 0),
114 VMW_IOCTL_DEF(DRM_IOCTL_VMW_CONTROL_STREAM
, vmw_overlay_ioctl
,
116 VMW_IOCTL_DEF(DRM_IOCTL_VMW_CLAIM_STREAM
, vmw_stream_claim_ioctl
,
118 VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_STREAM
, vmw_stream_unref_ioctl
,
121 VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_CONTEXT
, vmw_context_define_ioctl
,
123 VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_CONTEXT
, vmw_context_destroy_ioctl
,
125 VMW_IOCTL_DEF(DRM_IOCTL_VMW_CREATE_SURFACE
, vmw_surface_define_ioctl
,
127 VMW_IOCTL_DEF(DRM_IOCTL_VMW_UNREF_SURFACE
, vmw_surface_destroy_ioctl
,
129 VMW_IOCTL_DEF(DRM_IOCTL_VMW_REF_SURFACE
, vmw_surface_reference_ioctl
,
131 VMW_IOCTL_DEF(DRM_IOCTL_VMW_EXECBUF
, vmw_execbuf_ioctl
,
133 VMW_IOCTL_DEF(DRM_IOCTL_VMW_FIFO_DEBUG
, vmw_fifo_debug_ioctl
,
135 VMW_IOCTL_DEF(DRM_IOCTL_VMW_FENCE_WAIT
, vmw_fence_wait_ioctl
,
139 static struct pci_device_id vmw_pci_id_list
[] = {
140 {0x15ad, 0x0405, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, VMWGFX_CHIP_SVGAII
},
144 static char *vmw_devname
= "vmwgfx";
146 static int vmw_probe(struct pci_dev
*, const struct pci_device_id
*);
147 static void vmw_master_init(struct vmw_master
*);
149 static void vmw_print_capabilities(uint32_t capabilities
)
151 DRM_INFO("Capabilities:\n");
152 if (capabilities
& SVGA_CAP_RECT_COPY
)
153 DRM_INFO(" Rect copy.\n");
154 if (capabilities
& SVGA_CAP_CURSOR
)
155 DRM_INFO(" Cursor.\n");
156 if (capabilities
& SVGA_CAP_CURSOR_BYPASS
)
157 DRM_INFO(" Cursor bypass.\n");
158 if (capabilities
& SVGA_CAP_CURSOR_BYPASS_2
)
159 DRM_INFO(" Cursor bypass 2.\n");
160 if (capabilities
& SVGA_CAP_8BIT_EMULATION
)
161 DRM_INFO(" 8bit emulation.\n");
162 if (capabilities
& SVGA_CAP_ALPHA_CURSOR
)
163 DRM_INFO(" Alpha cursor.\n");
164 if (capabilities
& SVGA_CAP_3D
)
166 if (capabilities
& SVGA_CAP_EXTENDED_FIFO
)
167 DRM_INFO(" Extended Fifo.\n");
168 if (capabilities
& SVGA_CAP_MULTIMON
)
169 DRM_INFO(" Multimon.\n");
170 if (capabilities
& SVGA_CAP_PITCHLOCK
)
171 DRM_INFO(" Pitchlock.\n");
172 if (capabilities
& SVGA_CAP_IRQMASK
)
173 DRM_INFO(" Irq mask.\n");
174 if (capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
)
175 DRM_INFO(" Display Topology.\n");
176 if (capabilities
& SVGA_CAP_GMR
)
178 if (capabilities
& SVGA_CAP_TRACES
)
179 DRM_INFO(" Traces.\n");
182 static int vmw_request_device(struct vmw_private
*dev_priv
)
186 vmw_kms_save_vga(dev_priv
);
188 ret
= vmw_fifo_init(dev_priv
, &dev_priv
->fifo
);
189 if (unlikely(ret
!= 0)) {
190 DRM_ERROR("Unable to initialize FIFO.\n");
197 static void vmw_release_device(struct vmw_private
*dev_priv
)
199 vmw_fifo_release(dev_priv
, &dev_priv
->fifo
);
200 vmw_kms_restore_vga(dev_priv
);
204 static int vmw_driver_load(struct drm_device
*dev
, unsigned long chipset
)
206 struct vmw_private
*dev_priv
;
209 dev_priv
= kzalloc(sizeof(*dev_priv
), GFP_KERNEL
);
210 if (unlikely(dev_priv
== NULL
)) {
211 DRM_ERROR("Failed allocating a device private struct.\n");
214 memset(dev_priv
, 0, sizeof(*dev_priv
));
217 dev_priv
->vmw_chipset
= chipset
;
218 mutex_init(&dev_priv
->hw_mutex
);
219 mutex_init(&dev_priv
->cmdbuf_mutex
);
220 rwlock_init(&dev_priv
->resource_lock
);
221 idr_init(&dev_priv
->context_idr
);
222 idr_init(&dev_priv
->surface_idr
);
223 idr_init(&dev_priv
->stream_idr
);
224 ida_init(&dev_priv
->gmr_ida
);
225 mutex_init(&dev_priv
->init_mutex
);
226 init_waitqueue_head(&dev_priv
->fence_queue
);
227 init_waitqueue_head(&dev_priv
->fifo_queue
);
228 atomic_set(&dev_priv
->fence_queue_waiters
, 0);
229 atomic_set(&dev_priv
->fifo_queue_waiters
, 0);
230 INIT_LIST_HEAD(&dev_priv
->gmr_lru
);
232 dev_priv
->io_start
= pci_resource_start(dev
->pdev
, 0);
233 dev_priv
->vram_start
= pci_resource_start(dev
->pdev
, 1);
234 dev_priv
->mmio_start
= pci_resource_start(dev
->pdev
, 2);
236 mutex_lock(&dev_priv
->hw_mutex
);
237 dev_priv
->capabilities
= vmw_read(dev_priv
, SVGA_REG_CAPABILITIES
);
239 if (dev_priv
->capabilities
& SVGA_CAP_GMR
) {
240 dev_priv
->max_gmr_descriptors
=
242 SVGA_REG_GMR_MAX_DESCRIPTOR_LENGTH
);
243 dev_priv
->max_gmr_ids
=
244 vmw_read(dev_priv
, SVGA_REG_GMR_MAX_IDS
);
247 dev_priv
->vram_size
= vmw_read(dev_priv
, SVGA_REG_VRAM_SIZE
);
248 dev_priv
->mmio_size
= vmw_read(dev_priv
, SVGA_REG_MEM_SIZE
);
249 dev_priv
->fb_max_width
= vmw_read(dev_priv
, SVGA_REG_MAX_WIDTH
);
250 dev_priv
->fb_max_height
= vmw_read(dev_priv
, SVGA_REG_MAX_HEIGHT
);
252 mutex_unlock(&dev_priv
->hw_mutex
);
254 vmw_print_capabilities(dev_priv
->capabilities
);
256 if (dev_priv
->capabilities
& SVGA_CAP_GMR
) {
257 DRM_INFO("Max GMR ids is %u\n",
258 (unsigned)dev_priv
->max_gmr_ids
);
259 DRM_INFO("Max GMR descriptors is %u\n",
260 (unsigned)dev_priv
->max_gmr_descriptors
);
262 DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
263 dev_priv
->vram_start
, dev_priv
->vram_size
/ 1024);
264 DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
265 dev_priv
->mmio_start
, dev_priv
->mmio_size
/ 1024);
267 ret
= vmw_ttm_global_init(dev_priv
);
268 if (unlikely(ret
!= 0))
272 vmw_master_init(&dev_priv
->fbdev_master
);
273 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
274 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
277 ret
= ttm_bo_device_init(&dev_priv
->bdev
,
278 dev_priv
->bo_global_ref
.ref
.object
,
279 &vmw_bo_driver
, VMWGFX_FILE_PAGE_OFFSET
,
281 if (unlikely(ret
!= 0)) {
282 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
286 ret
= ttm_bo_init_mm(&dev_priv
->bdev
, TTM_PL_VRAM
,
287 (dev_priv
->vram_size
>> PAGE_SHIFT
));
288 if (unlikely(ret
!= 0)) {
289 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
293 dev_priv
->mmio_mtrr
= drm_mtrr_add(dev_priv
->mmio_start
,
294 dev_priv
->mmio_size
, DRM_MTRR_WC
);
296 dev_priv
->mmio_virt
= ioremap_wc(dev_priv
->mmio_start
,
297 dev_priv
->mmio_size
);
299 if (unlikely(dev_priv
->mmio_virt
== NULL
)) {
301 DRM_ERROR("Failed mapping MMIO.\n");
305 dev_priv
->tdev
= ttm_object_device_init
306 (dev_priv
->mem_global_ref
.object
, 12);
308 if (unlikely(dev_priv
->tdev
== NULL
)) {
309 DRM_ERROR("Unable to initialize TTM object management.\n");
314 dev
->dev_private
= dev_priv
;
317 dev
->devname
= vmw_devname
;
319 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
) {
320 ret
= drm_irq_install(dev
);
321 if (unlikely(ret
!= 0)) {
322 DRM_ERROR("Failed installing irq: %d\n", ret
);
327 ret
= pci_request_regions(dev
->pdev
, "vmwgfx probe");
328 dev_priv
->stealth
= (ret
!= 0);
329 if (dev_priv
->stealth
) {
331 * Request at least the mmio PCI resource.
334 DRM_INFO("It appears like vesafb is loaded. "
335 "Ignore above error if any. Entering stealth mode.\n");
336 ret
= pci_request_region(dev
->pdev
, 2, "vmwgfx stealth probe");
337 if (unlikely(ret
!= 0)) {
338 DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
341 vmw_kms_init(dev_priv
);
342 vmw_overlay_init(dev_priv
);
344 ret
= vmw_request_device(dev_priv
);
345 if (unlikely(ret
!= 0))
347 vmw_kms_init(dev_priv
);
348 vmw_overlay_init(dev_priv
);
349 vmw_fb_init(dev_priv
);
355 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
)
356 drm_irq_uninstall(dev_priv
->dev
);
357 if (dev
->devname
== vmw_devname
)
360 ttm_object_device_release(&dev_priv
->tdev
);
362 iounmap(dev_priv
->mmio_virt
);
364 drm_mtrr_del(dev_priv
->mmio_mtrr
, dev_priv
->mmio_start
,
365 dev_priv
->mmio_size
, DRM_MTRR_WC
);
366 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
368 (void)ttm_bo_device_release(&dev_priv
->bdev
);
370 vmw_ttm_global_release(dev_priv
);
372 ida_destroy(&dev_priv
->gmr_ida
);
373 idr_destroy(&dev_priv
->surface_idr
);
374 idr_destroy(&dev_priv
->context_idr
);
375 idr_destroy(&dev_priv
->stream_idr
);
380 static int vmw_driver_unload(struct drm_device
*dev
)
382 struct vmw_private
*dev_priv
= vmw_priv(dev
);
384 DRM_INFO(VMWGFX_DRIVER_NAME
" unload.\n");
386 if (!dev_priv
->stealth
) {
387 vmw_fb_close(dev_priv
);
388 vmw_kms_close(dev_priv
);
389 vmw_overlay_close(dev_priv
);
390 vmw_release_device(dev_priv
);
391 pci_release_regions(dev
->pdev
);
393 vmw_kms_close(dev_priv
);
394 vmw_overlay_close(dev_priv
);
395 pci_release_region(dev
->pdev
, 2);
397 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
)
398 drm_irq_uninstall(dev_priv
->dev
);
399 if (dev
->devname
== vmw_devname
)
401 ttm_object_device_release(&dev_priv
->tdev
);
402 iounmap(dev_priv
->mmio_virt
);
403 drm_mtrr_del(dev_priv
->mmio_mtrr
, dev_priv
->mmio_start
,
404 dev_priv
->mmio_size
, DRM_MTRR_WC
);
405 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
406 (void)ttm_bo_device_release(&dev_priv
->bdev
);
407 vmw_ttm_global_release(dev_priv
);
408 ida_destroy(&dev_priv
->gmr_ida
);
409 idr_destroy(&dev_priv
->surface_idr
);
410 idr_destroy(&dev_priv
->context_idr
);
411 idr_destroy(&dev_priv
->stream_idr
);
418 static void vmw_postclose(struct drm_device
*dev
,
419 struct drm_file
*file_priv
)
421 struct vmw_fpriv
*vmw_fp
;
423 vmw_fp
= vmw_fpriv(file_priv
);
424 ttm_object_file_release(&vmw_fp
->tfile
);
425 if (vmw_fp
->locked_master
)
426 drm_master_put(&vmw_fp
->locked_master
);
430 static int vmw_driver_open(struct drm_device
*dev
, struct drm_file
*file_priv
)
432 struct vmw_private
*dev_priv
= vmw_priv(dev
);
433 struct vmw_fpriv
*vmw_fp
;
436 vmw_fp
= kzalloc(sizeof(*vmw_fp
), GFP_KERNEL
);
437 if (unlikely(vmw_fp
== NULL
))
440 vmw_fp
->tfile
= ttm_object_file_init(dev_priv
->tdev
, 10);
441 if (unlikely(vmw_fp
->tfile
== NULL
))
444 file_priv
->driver_priv
= vmw_fp
;
446 if (unlikely(dev_priv
->bdev
.dev_mapping
== NULL
))
447 dev_priv
->bdev
.dev_mapping
=
448 file_priv
->filp
->f_path
.dentry
->d_inode
->i_mapping
;
457 static long vmw_unlocked_ioctl(struct file
*filp
, unsigned int cmd
,
460 struct drm_file
*file_priv
= filp
->private_data
;
461 struct drm_device
*dev
= file_priv
->minor
->dev
;
462 unsigned int nr
= DRM_IOCTL_NR(cmd
);
466 * The driver private ioctls and TTM ioctls should be
470 if ((nr
>= DRM_COMMAND_BASE
) && (nr
< DRM_COMMAND_END
)
471 && (nr
< DRM_COMMAND_BASE
+ dev
->driver
->num_ioctls
)) {
472 struct drm_ioctl_desc
*ioctl
=
473 &vmw_ioctls
[nr
- DRM_COMMAND_BASE
];
475 if (unlikely(ioctl
->cmd
!= cmd
)) {
476 DRM_ERROR("Invalid command format, ioctl %d\n",
477 nr
- DRM_COMMAND_BASE
);
480 return drm_ioctl(filp
->f_path
.dentry
->d_inode
,
485 * Not all old drm ioctls are thread-safe.
489 ret
= drm_ioctl(filp
->f_path
.dentry
->d_inode
, filp
, cmd
, arg
);
494 static int vmw_firstopen(struct drm_device
*dev
)
496 struct vmw_private
*dev_priv
= vmw_priv(dev
);
497 dev_priv
->is_opened
= true;
502 static void vmw_lastclose(struct drm_device
*dev
)
504 struct vmw_private
*dev_priv
= vmw_priv(dev
);
505 struct drm_crtc
*crtc
;
506 struct drm_mode_set set
;
510 * Do nothing on the lastclose call from drm_unload.
513 if (!dev_priv
->is_opened
)
516 dev_priv
->is_opened
= false;
521 set
.connectors
= NULL
;
522 set
.num_connectors
= 0;
524 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
526 ret
= crtc
->funcs
->set_config(&set
);
532 static void vmw_master_init(struct vmw_master
*vmaster
)
534 ttm_lock_init(&vmaster
->lock
);
537 static int vmw_master_create(struct drm_device
*dev
,
538 struct drm_master
*master
)
540 struct vmw_master
*vmaster
;
542 DRM_INFO("Master create.\n");
543 vmaster
= kzalloc(sizeof(*vmaster
), GFP_KERNEL
);
544 if (unlikely(vmaster
== NULL
))
547 ttm_lock_init(&vmaster
->lock
);
548 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
549 master
->driver_priv
= vmaster
;
554 static void vmw_master_destroy(struct drm_device
*dev
,
555 struct drm_master
*master
)
557 struct vmw_master
*vmaster
= vmw_master(master
);
559 DRM_INFO("Master destroy.\n");
560 master
->driver_priv
= NULL
;
565 static int vmw_master_set(struct drm_device
*dev
,
566 struct drm_file
*file_priv
,
569 struct vmw_private
*dev_priv
= vmw_priv(dev
);
570 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
571 struct vmw_master
*active
= dev_priv
->active_master
;
572 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
575 DRM_INFO("Master set.\n");
576 if (dev_priv
->stealth
) {
577 ret
= vmw_request_device(dev_priv
);
578 if (unlikely(ret
!= 0))
583 BUG_ON(active
!= &dev_priv
->fbdev_master
);
584 ret
= ttm_vt_lock(&active
->lock
, false, vmw_fp
->tfile
);
585 if (unlikely(ret
!= 0))
586 goto out_no_active_lock
;
588 ttm_lock_set_kill(&active
->lock
, true, SIGTERM
);
589 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
590 if (unlikely(ret
!= 0)) {
591 DRM_ERROR("Unable to clean VRAM on "
595 dev_priv
->active_master
= NULL
;
598 ttm_lock_set_kill(&vmaster
->lock
, false, SIGTERM
);
600 ttm_vt_unlock(&vmaster
->lock
);
601 BUG_ON(vmw_fp
->locked_master
!= file_priv
->master
);
602 drm_master_put(&vmw_fp
->locked_master
);
605 dev_priv
->active_master
= vmaster
;
610 vmw_release_device(dev_priv
);
614 static void vmw_master_drop(struct drm_device
*dev
,
615 struct drm_file
*file_priv
,
618 struct vmw_private
*dev_priv
= vmw_priv(dev
);
619 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
620 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
623 DRM_INFO("Master drop.\n");
626 * Make sure the master doesn't disappear while we have
630 vmw_fp
->locked_master
= drm_master_get(file_priv
->master
);
631 ret
= ttm_vt_lock(&vmaster
->lock
, false, vmw_fp
->tfile
);
633 if (unlikely((ret
!= 0))) {
634 DRM_ERROR("Unable to lock TTM at VT switch.\n");
635 drm_master_put(&vmw_fp
->locked_master
);
638 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
640 if (dev_priv
->stealth
) {
641 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
642 if (unlikely(ret
!= 0))
643 DRM_ERROR("Unable to clean VRAM on master drop.\n");
644 vmw_release_device(dev_priv
);
646 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
647 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
648 ttm_vt_unlock(&dev_priv
->fbdev_master
.lock
);
650 if (!dev_priv
->stealth
)
655 static void vmw_remove(struct pci_dev
*pdev
)
657 struct drm_device
*dev
= pci_get_drvdata(pdev
);
662 static struct drm_driver driver
= {
663 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_IRQ_SHARED
|
665 .load
= vmw_driver_load
,
666 .unload
= vmw_driver_unload
,
667 .firstopen
= vmw_firstopen
,
668 .lastclose
= vmw_lastclose
,
669 .irq_preinstall
= vmw_irq_preinstall
,
670 .irq_postinstall
= vmw_irq_postinstall
,
671 .irq_uninstall
= vmw_irq_uninstall
,
672 .irq_handler
= vmw_irq_handler
,
673 .reclaim_buffers_locked
= NULL
,
674 .get_map_ofs
= drm_core_get_map_ofs
,
675 .get_reg_ofs
= drm_core_get_reg_ofs
,
676 .ioctls
= vmw_ioctls
,
677 .num_ioctls
= DRM_ARRAY_SIZE(vmw_ioctls
),
678 .dma_quiescent
= NULL
, /*vmw_dma_quiescent, */
679 .master_create
= vmw_master_create
,
680 .master_destroy
= vmw_master_destroy
,
681 .master_set
= vmw_master_set
,
682 .master_drop
= vmw_master_drop
,
683 .open
= vmw_driver_open
,
684 .postclose
= vmw_postclose
,
686 .owner
= THIS_MODULE
,
688 .release
= drm_release
,
689 .unlocked_ioctl
= vmw_unlocked_ioctl
,
692 .fasync
= drm_fasync
,
693 #if defined(CONFIG_COMPAT)
694 .compat_ioctl
= drm_compat_ioctl
,
698 .name
= VMWGFX_DRIVER_NAME
,
699 .id_table
= vmw_pci_id_list
,
703 .name
= VMWGFX_DRIVER_NAME
,
704 .desc
= VMWGFX_DRIVER_DESC
,
705 .date
= VMWGFX_DRIVER_DATE
,
706 .major
= VMWGFX_DRIVER_MAJOR
,
707 .minor
= VMWGFX_DRIVER_MINOR
,
708 .patchlevel
= VMWGFX_DRIVER_PATCHLEVEL
711 static int vmw_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
713 return drm_get_dev(pdev
, ent
, &driver
);
716 static int __init
vmwgfx_init(void)
719 ret
= drm_init(&driver
);
721 DRM_ERROR("Failed initializing DRM.\n");
725 static void __exit
vmwgfx_exit(void)
730 module_init(vmwgfx_init
);
731 module_exit(vmwgfx_exit
);
733 MODULE_AUTHOR("VMware Inc. and others");
734 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
735 MODULE_LICENSE("GPL and additional rights");