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 **************************************************************************/
27 #include <linux/module.h>
30 #include "vmwgfx_drv.h"
31 #include <drm/ttm/ttm_placement.h>
32 #include <drm/ttm/ttm_bo_driver.h>
33 #include <drm/ttm/ttm_object.h>
34 #include <drm/ttm/ttm_module.h>
35 #include <linux/dma_remapping.h>
37 #define VMWGFX_DRIVER_NAME "vmwgfx"
38 #define VMWGFX_DRIVER_DESC "Linux drm driver for VMware graphics devices"
39 #define VMWGFX_CHIP_SVGAII 0
40 #define VMW_FB_RESERVATION 0
42 #define VMW_MIN_INITIAL_WIDTH 800
43 #define VMW_MIN_INITIAL_HEIGHT 600
47 * Fully encoded drm commands. Might move to vmw_drm.h
50 #define DRM_IOCTL_VMW_GET_PARAM \
51 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_GET_PARAM, \
52 struct drm_vmw_getparam_arg)
53 #define DRM_IOCTL_VMW_ALLOC_DMABUF \
54 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_ALLOC_DMABUF, \
55 union drm_vmw_alloc_dmabuf_arg)
56 #define DRM_IOCTL_VMW_UNREF_DMABUF \
57 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_DMABUF, \
58 struct drm_vmw_unref_dmabuf_arg)
59 #define DRM_IOCTL_VMW_CURSOR_BYPASS \
60 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CURSOR_BYPASS, \
61 struct drm_vmw_cursor_bypass_arg)
63 #define DRM_IOCTL_VMW_CONTROL_STREAM \
64 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_CONTROL_STREAM, \
65 struct drm_vmw_control_stream_arg)
66 #define DRM_IOCTL_VMW_CLAIM_STREAM \
67 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CLAIM_STREAM, \
68 struct drm_vmw_stream_arg)
69 #define DRM_IOCTL_VMW_UNREF_STREAM \
70 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_STREAM, \
71 struct drm_vmw_stream_arg)
73 #define DRM_IOCTL_VMW_CREATE_CONTEXT \
74 DRM_IOR(DRM_COMMAND_BASE + DRM_VMW_CREATE_CONTEXT, \
75 struct drm_vmw_context_arg)
76 #define DRM_IOCTL_VMW_UNREF_CONTEXT \
77 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_CONTEXT, \
78 struct drm_vmw_context_arg)
79 #define DRM_IOCTL_VMW_CREATE_SURFACE \
80 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_CREATE_SURFACE, \
81 union drm_vmw_surface_create_arg)
82 #define DRM_IOCTL_VMW_UNREF_SURFACE \
83 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UNREF_SURFACE, \
84 struct drm_vmw_surface_arg)
85 #define DRM_IOCTL_VMW_REF_SURFACE \
86 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_REF_SURFACE, \
87 union drm_vmw_surface_reference_arg)
88 #define DRM_IOCTL_VMW_EXECBUF \
89 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_EXECBUF, \
90 struct drm_vmw_execbuf_arg)
91 #define DRM_IOCTL_VMW_GET_3D_CAP \
92 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_GET_3D_CAP, \
93 struct drm_vmw_get_3d_cap_arg)
94 #define DRM_IOCTL_VMW_FENCE_WAIT \
95 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_WAIT, \
96 struct drm_vmw_fence_wait_arg)
97 #define DRM_IOCTL_VMW_FENCE_SIGNALED \
98 DRM_IOWR(DRM_COMMAND_BASE + DRM_VMW_FENCE_SIGNALED, \
99 struct drm_vmw_fence_signaled_arg)
100 #define DRM_IOCTL_VMW_FENCE_UNREF \
101 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_UNREF, \
102 struct drm_vmw_fence_arg)
103 #define DRM_IOCTL_VMW_FENCE_EVENT \
104 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_FENCE_EVENT, \
105 struct drm_vmw_fence_event_arg)
106 #define DRM_IOCTL_VMW_PRESENT \
107 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT, \
108 struct drm_vmw_present_arg)
109 #define DRM_IOCTL_VMW_PRESENT_READBACK \
110 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_PRESENT_READBACK, \
111 struct drm_vmw_present_readback_arg)
112 #define DRM_IOCTL_VMW_UPDATE_LAYOUT \
113 DRM_IOW(DRM_COMMAND_BASE + DRM_VMW_UPDATE_LAYOUT, \
114 struct drm_vmw_update_layout_arg)
117 * The core DRM version of this macro doesn't account for
121 #define VMW_IOCTL_DEF(ioctl, func, flags) \
122 [DRM_IOCTL_NR(DRM_IOCTL_##ioctl) - DRM_COMMAND_BASE] = {DRM_##ioctl, flags, func, DRM_IOCTL_##ioctl}
128 static const struct drm_ioctl_desc vmw_ioctls
[] = {
129 VMW_IOCTL_DEF(VMW_GET_PARAM
, vmw_getparam_ioctl
,
130 DRM_AUTH
| DRM_UNLOCKED
),
131 VMW_IOCTL_DEF(VMW_ALLOC_DMABUF
, vmw_dmabuf_alloc_ioctl
,
132 DRM_AUTH
| DRM_UNLOCKED
),
133 VMW_IOCTL_DEF(VMW_UNREF_DMABUF
, vmw_dmabuf_unref_ioctl
,
134 DRM_AUTH
| DRM_UNLOCKED
),
135 VMW_IOCTL_DEF(VMW_CURSOR_BYPASS
,
136 vmw_kms_cursor_bypass_ioctl
,
137 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
139 VMW_IOCTL_DEF(VMW_CONTROL_STREAM
, vmw_overlay_ioctl
,
140 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
141 VMW_IOCTL_DEF(VMW_CLAIM_STREAM
, vmw_stream_claim_ioctl
,
142 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
143 VMW_IOCTL_DEF(VMW_UNREF_STREAM
, vmw_stream_unref_ioctl
,
144 DRM_MASTER
| DRM_CONTROL_ALLOW
| DRM_UNLOCKED
),
146 VMW_IOCTL_DEF(VMW_CREATE_CONTEXT
, vmw_context_define_ioctl
,
147 DRM_AUTH
| DRM_UNLOCKED
),
148 VMW_IOCTL_DEF(VMW_UNREF_CONTEXT
, vmw_context_destroy_ioctl
,
149 DRM_AUTH
| DRM_UNLOCKED
),
150 VMW_IOCTL_DEF(VMW_CREATE_SURFACE
, vmw_surface_define_ioctl
,
151 DRM_AUTH
| DRM_UNLOCKED
),
152 VMW_IOCTL_DEF(VMW_UNREF_SURFACE
, vmw_surface_destroy_ioctl
,
153 DRM_AUTH
| DRM_UNLOCKED
),
154 VMW_IOCTL_DEF(VMW_REF_SURFACE
, vmw_surface_reference_ioctl
,
155 DRM_AUTH
| DRM_UNLOCKED
),
156 VMW_IOCTL_DEF(VMW_EXECBUF
, vmw_execbuf_ioctl
,
157 DRM_AUTH
| DRM_UNLOCKED
),
158 VMW_IOCTL_DEF(VMW_FENCE_WAIT
, vmw_fence_obj_wait_ioctl
,
159 DRM_AUTH
| DRM_UNLOCKED
),
160 VMW_IOCTL_DEF(VMW_FENCE_SIGNALED
,
161 vmw_fence_obj_signaled_ioctl
,
162 DRM_AUTH
| DRM_UNLOCKED
),
163 VMW_IOCTL_DEF(VMW_FENCE_UNREF
, vmw_fence_obj_unref_ioctl
,
164 DRM_AUTH
| DRM_UNLOCKED
),
165 VMW_IOCTL_DEF(VMW_FENCE_EVENT
,
166 vmw_fence_event_ioctl
,
167 DRM_AUTH
| DRM_UNLOCKED
),
168 VMW_IOCTL_DEF(VMW_GET_3D_CAP
, vmw_get_cap_3d_ioctl
,
169 DRM_AUTH
| DRM_UNLOCKED
),
171 /* these allow direct access to the framebuffers mark as master only */
172 VMW_IOCTL_DEF(VMW_PRESENT
, vmw_present_ioctl
,
173 DRM_MASTER
| DRM_AUTH
| DRM_UNLOCKED
),
174 VMW_IOCTL_DEF(VMW_PRESENT_READBACK
,
175 vmw_present_readback_ioctl
,
176 DRM_MASTER
| DRM_AUTH
| DRM_UNLOCKED
),
177 VMW_IOCTL_DEF(VMW_UPDATE_LAYOUT
,
178 vmw_kms_update_layout_ioctl
,
179 DRM_MASTER
| DRM_UNLOCKED
),
182 static struct pci_device_id vmw_pci_id_list
[] = {
183 {0x15ad, 0x0405, PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, VMWGFX_CHIP_SVGAII
},
186 MODULE_DEVICE_TABLE(pci
, vmw_pci_id_list
);
188 static int enable_fbdev
= IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON
);
189 static int vmw_force_iommu
;
190 static int vmw_restrict_iommu
;
191 static int vmw_force_coherent
;
192 static int vmw_restrict_dma_mask
;
194 static int vmw_probe(struct pci_dev
*, const struct pci_device_id
*);
195 static void vmw_master_init(struct vmw_master
*);
196 static int vmwgfx_pm_notifier(struct notifier_block
*nb
, unsigned long val
,
199 MODULE_PARM_DESC(enable_fbdev
, "Enable vmwgfx fbdev");
200 module_param_named(enable_fbdev
, enable_fbdev
, int, 0600);
201 MODULE_PARM_DESC(force_dma_api
, "Force using the DMA API for TTM pages");
202 module_param_named(force_dma_api
, vmw_force_iommu
, int, 0600);
203 MODULE_PARM_DESC(restrict_iommu
, "Try to limit IOMMU usage for TTM pages");
204 module_param_named(restrict_iommu
, vmw_restrict_iommu
, int, 0600);
205 MODULE_PARM_DESC(force_coherent
, "Force coherent TTM pages");
206 module_param_named(force_coherent
, vmw_force_coherent
, int, 0600);
207 MODULE_PARM_DESC(restrict_dma_mask
, "Restrict DMA mask to 44 bits with IOMMU");
208 module_param_named(restrict_dma_mask
, vmw_restrict_dma_mask
, int, 0600);
211 static void vmw_print_capabilities(uint32_t capabilities
)
213 DRM_INFO("Capabilities:\n");
214 if (capabilities
& SVGA_CAP_RECT_COPY
)
215 DRM_INFO(" Rect copy.\n");
216 if (capabilities
& SVGA_CAP_CURSOR
)
217 DRM_INFO(" Cursor.\n");
218 if (capabilities
& SVGA_CAP_CURSOR_BYPASS
)
219 DRM_INFO(" Cursor bypass.\n");
220 if (capabilities
& SVGA_CAP_CURSOR_BYPASS_2
)
221 DRM_INFO(" Cursor bypass 2.\n");
222 if (capabilities
& SVGA_CAP_8BIT_EMULATION
)
223 DRM_INFO(" 8bit emulation.\n");
224 if (capabilities
& SVGA_CAP_ALPHA_CURSOR
)
225 DRM_INFO(" Alpha cursor.\n");
226 if (capabilities
& SVGA_CAP_3D
)
228 if (capabilities
& SVGA_CAP_EXTENDED_FIFO
)
229 DRM_INFO(" Extended Fifo.\n");
230 if (capabilities
& SVGA_CAP_MULTIMON
)
231 DRM_INFO(" Multimon.\n");
232 if (capabilities
& SVGA_CAP_PITCHLOCK
)
233 DRM_INFO(" Pitchlock.\n");
234 if (capabilities
& SVGA_CAP_IRQMASK
)
235 DRM_INFO(" Irq mask.\n");
236 if (capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
)
237 DRM_INFO(" Display Topology.\n");
238 if (capabilities
& SVGA_CAP_GMR
)
240 if (capabilities
& SVGA_CAP_TRACES
)
241 DRM_INFO(" Traces.\n");
242 if (capabilities
& SVGA_CAP_GMR2
)
243 DRM_INFO(" GMR2.\n");
244 if (capabilities
& SVGA_CAP_SCREEN_OBJECT_2
)
245 DRM_INFO(" Screen Object 2.\n");
246 if (capabilities
& SVGA_CAP_COMMAND_BUFFERS
)
247 DRM_INFO(" Command Buffers.\n");
248 if (capabilities
& SVGA_CAP_CMD_BUFFERS_2
)
249 DRM_INFO(" Command Buffers 2.\n");
250 if (capabilities
& SVGA_CAP_GBOBJECTS
)
251 DRM_INFO(" Guest Backed Resources.\n");
256 * vmw_execbuf_prepare_dummy_query - Initialize a query result structure at
257 * the start of a buffer object.
259 * @dev_priv: The device private structure.
261 * This function will idle the buffer using an uninterruptible wait, then
262 * map the first page and initialize a pending occlusion query result structure,
263 * Finally it will unmap the buffer.
265 * TODO: Since we're only mapping a single page, we should optimize the map
266 * to use kmap_atomic / iomap_atomic.
268 static void vmw_dummy_query_bo_prepare(struct vmw_private
*dev_priv
)
270 struct ttm_bo_kmap_obj map
;
271 volatile SVGA3dQueryResult
*result
;
274 struct ttm_bo_device
*bdev
= &dev_priv
->bdev
;
275 struct ttm_buffer_object
*bo
= dev_priv
->dummy_query_bo
;
277 ttm_bo_reserve(bo
, false, false, false, 0);
278 spin_lock(&bdev
->fence_lock
);
279 ret
= ttm_bo_wait(bo
, false, false, false);
280 spin_unlock(&bdev
->fence_lock
);
281 if (unlikely(ret
!= 0))
282 (void) vmw_fallback_wait(dev_priv
, false, true, 0, false,
285 ret
= ttm_bo_kmap(bo
, 0, 1, &map
);
286 if (likely(ret
== 0)) {
287 result
= ttm_kmap_obj_virtual(&map
, &dummy
);
288 result
->totalSize
= sizeof(*result
);
289 result
->state
= SVGA3D_QUERYSTATE_PENDING
;
290 result
->result32
= 0xff;
293 DRM_ERROR("Dummy query buffer map failed.\n");
294 ttm_bo_unreserve(bo
);
299 * vmw_dummy_query_bo_create - create a bo to hold a dummy query result
301 * @dev_priv: A device private structure.
303 * This function creates a small buffer object that holds the query
304 * result for dummy queries emitted as query barriers.
305 * No interruptible waits are done within this function.
307 * Returns an error if bo creation fails.
309 static int vmw_dummy_query_bo_create(struct vmw_private
*dev_priv
)
311 return ttm_bo_create(&dev_priv
->bdev
,
314 &vmw_vram_sys_placement
,
316 &dev_priv
->dummy_query_bo
);
320 static int vmw_request_device(struct vmw_private
*dev_priv
)
324 ret
= vmw_fifo_init(dev_priv
, &dev_priv
->fifo
);
325 if (unlikely(ret
!= 0)) {
326 DRM_ERROR("Unable to initialize FIFO.\n");
329 vmw_fence_fifo_up(dev_priv
->fman
);
330 if (dev_priv
->has_mob
) {
331 ret
= vmw_otables_setup(dev_priv
);
332 if (unlikely(ret
!= 0)) {
333 DRM_ERROR("Unable to initialize "
334 "guest Memory OBjects.\n");
338 ret
= vmw_dummy_query_bo_create(dev_priv
);
339 if (unlikely(ret
!= 0))
340 goto out_no_query_bo
;
341 vmw_dummy_query_bo_prepare(dev_priv
);
346 if (dev_priv
->has_mob
)
347 vmw_otables_takedown(dev_priv
);
349 vmw_fence_fifo_down(dev_priv
->fman
);
350 vmw_fifo_release(dev_priv
, &dev_priv
->fifo
);
354 static void vmw_release_device(struct vmw_private
*dev_priv
)
357 * Previous destructions should've released
361 BUG_ON(dev_priv
->pinned_bo
!= NULL
);
363 ttm_bo_unref(&dev_priv
->dummy_query_bo
);
364 if (dev_priv
->has_mob
)
365 vmw_otables_takedown(dev_priv
);
366 vmw_fence_fifo_down(dev_priv
->fman
);
367 vmw_fifo_release(dev_priv
, &dev_priv
->fifo
);
372 * Increase the 3d resource refcount.
373 * If the count was prevously zero, initialize the fifo, switching to svga
374 * mode. Note that the master holds a ref as well, and may request an
375 * explicit switch to svga mode if fb is not running, using @unhide_svga.
377 int vmw_3d_resource_inc(struct vmw_private
*dev_priv
,
382 mutex_lock(&dev_priv
->release_mutex
);
383 if (unlikely(dev_priv
->num_3d_resources
++ == 0)) {
384 ret
= vmw_request_device(dev_priv
);
385 if (unlikely(ret
!= 0))
386 --dev_priv
->num_3d_resources
;
387 } else if (unhide_svga
) {
388 mutex_lock(&dev_priv
->hw_mutex
);
389 vmw_write(dev_priv
, SVGA_REG_ENABLE
,
390 vmw_read(dev_priv
, SVGA_REG_ENABLE
) &
391 ~SVGA_REG_ENABLE_HIDE
);
392 mutex_unlock(&dev_priv
->hw_mutex
);
395 mutex_unlock(&dev_priv
->release_mutex
);
400 * Decrease the 3d resource refcount.
401 * If the count reaches zero, disable the fifo, switching to vga mode.
402 * Note that the master holds a refcount as well, and may request an
403 * explicit switch to vga mode when it releases its refcount to account
404 * for the situation of an X server vt switch to VGA with 3d resources
407 void vmw_3d_resource_dec(struct vmw_private
*dev_priv
,
412 mutex_lock(&dev_priv
->release_mutex
);
413 if (unlikely(--dev_priv
->num_3d_resources
== 0))
414 vmw_release_device(dev_priv
);
415 else if (hide_svga
) {
416 mutex_lock(&dev_priv
->hw_mutex
);
417 vmw_write(dev_priv
, SVGA_REG_ENABLE
,
418 vmw_read(dev_priv
, SVGA_REG_ENABLE
) |
419 SVGA_REG_ENABLE_HIDE
);
420 mutex_unlock(&dev_priv
->hw_mutex
);
423 n3d
= (int32_t) dev_priv
->num_3d_resources
;
424 mutex_unlock(&dev_priv
->release_mutex
);
430 * Sets the initial_[width|height] fields on the given vmw_private.
432 * It does so by reading SVGA_REG_[WIDTH|HEIGHT] regs and then
433 * clamping the value to fb_max_[width|height] fields and the
434 * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
435 * If the values appear to be invalid, set them to
436 * VMW_MIN_INITIAL_[WIDTH|HEIGHT].
438 static void vmw_get_initial_size(struct vmw_private
*dev_priv
)
443 width
= vmw_read(dev_priv
, SVGA_REG_WIDTH
);
444 height
= vmw_read(dev_priv
, SVGA_REG_HEIGHT
);
446 width
= max_t(uint32_t, width
, VMW_MIN_INITIAL_WIDTH
);
447 height
= max_t(uint32_t, height
, VMW_MIN_INITIAL_HEIGHT
);
449 if (width
> dev_priv
->fb_max_width
||
450 height
> dev_priv
->fb_max_height
) {
453 * This is a host error and shouldn't occur.
456 width
= VMW_MIN_INITIAL_WIDTH
;
457 height
= VMW_MIN_INITIAL_HEIGHT
;
460 dev_priv
->initial_width
= width
;
461 dev_priv
->initial_height
= height
;
465 * vmw_dma_select_mode - Determine how DMA mappings should be set up for this
468 * @dev_priv: Pointer to a struct vmw_private
470 * This functions tries to determine the IOMMU setup and what actions
471 * need to be taken by the driver to make system pages visible to the
473 * If this function decides that DMA is not possible, it returns -EINVAL.
474 * The driver may then try to disable features of the device that require
477 static int vmw_dma_select_mode(struct vmw_private
*dev_priv
)
479 static const char *names
[vmw_dma_map_max
] = {
480 [vmw_dma_phys
] = "Using physical TTM page addresses.",
481 [vmw_dma_alloc_coherent
] = "Using coherent TTM pages.",
482 [vmw_dma_map_populate
] = "Keeping DMA mappings.",
483 [vmw_dma_map_bind
] = "Giving up DMA mappings early."};
485 const struct dma_map_ops
*dma_ops
= get_dma_ops(dev_priv
->dev
->dev
);
487 #ifdef CONFIG_INTEL_IOMMU
488 if (intel_iommu_enabled
) {
489 dev_priv
->map_mode
= vmw_dma_map_populate
;
494 if (!(vmw_force_iommu
|| vmw_force_coherent
)) {
495 dev_priv
->map_mode
= vmw_dma_phys
;
496 DRM_INFO("DMA map mode: %s\n", names
[dev_priv
->map_mode
]);
500 dev_priv
->map_mode
= vmw_dma_map_populate
;
502 if (dma_ops
->sync_single_for_cpu
)
503 dev_priv
->map_mode
= vmw_dma_alloc_coherent
;
504 #ifdef CONFIG_SWIOTLB
505 if (swiotlb_nr_tbl() == 0)
506 dev_priv
->map_mode
= vmw_dma_map_populate
;
509 #ifdef CONFIG_INTEL_IOMMU
512 if (dev_priv
->map_mode
== vmw_dma_map_populate
&&
514 dev_priv
->map_mode
= vmw_dma_map_bind
;
516 if (vmw_force_coherent
)
517 dev_priv
->map_mode
= vmw_dma_alloc_coherent
;
519 #if !defined(CONFIG_SWIOTLB) && !defined(CONFIG_INTEL_IOMMU)
521 * No coherent page pool
523 if (dev_priv
->map_mode
== vmw_dma_alloc_coherent
)
527 #else /* CONFIG_X86 */
528 dev_priv
->map_mode
= vmw_dma_map_populate
;
529 #endif /* CONFIG_X86 */
531 DRM_INFO("DMA map mode: %s\n", names
[dev_priv
->map_mode
]);
537 * vmw_dma_masks - set required page- and dma masks
539 * @dev: Pointer to struct drm-device
541 * With 32-bit we can only handle 32 bit PFNs. Optionally set that
542 * restriction also for 64-bit systems.
544 #ifdef CONFIG_INTEL_IOMMU
545 static int vmw_dma_masks(struct vmw_private
*dev_priv
)
547 struct drm_device
*dev
= dev_priv
->dev
;
549 if (intel_iommu_enabled
&&
550 (sizeof(unsigned long) == 4 || vmw_restrict_dma_mask
)) {
551 DRM_INFO("Restricting DMA addresses to 44 bits.\n");
552 return dma_set_mask(dev
->dev
, DMA_BIT_MASK(44));
557 static int vmw_dma_masks(struct vmw_private
*dev_priv
)
563 static int vmw_driver_load(struct drm_device
*dev
, unsigned long chipset
)
565 struct vmw_private
*dev_priv
;
569 bool refuse_dma
= false;
571 dev_priv
= kzalloc(sizeof(*dev_priv
), GFP_KERNEL
);
572 if (unlikely(dev_priv
== NULL
)) {
573 DRM_ERROR("Failed allocating a device private struct.\n");
577 pci_set_master(dev
->pdev
);
580 dev_priv
->vmw_chipset
= chipset
;
581 dev_priv
->last_read_seqno
= (uint32_t) -100;
582 mutex_init(&dev_priv
->hw_mutex
);
583 mutex_init(&dev_priv
->cmdbuf_mutex
);
584 mutex_init(&dev_priv
->release_mutex
);
585 rwlock_init(&dev_priv
->resource_lock
);
587 for (i
= vmw_res_context
; i
< vmw_res_max
; ++i
) {
588 idr_init(&dev_priv
->res_idr
[i
]);
589 INIT_LIST_HEAD(&dev_priv
->res_lru
[i
]);
592 mutex_init(&dev_priv
->init_mutex
);
593 init_waitqueue_head(&dev_priv
->fence_queue
);
594 init_waitqueue_head(&dev_priv
->fifo_queue
);
595 dev_priv
->fence_queue_waiters
= 0;
596 atomic_set(&dev_priv
->fifo_queue_waiters
, 0);
598 dev_priv
->used_memory_size
= 0;
600 dev_priv
->io_start
= pci_resource_start(dev
->pdev
, 0);
601 dev_priv
->vram_start
= pci_resource_start(dev
->pdev
, 1);
602 dev_priv
->mmio_start
= pci_resource_start(dev
->pdev
, 2);
604 dev_priv
->enable_fb
= enable_fbdev
;
606 mutex_lock(&dev_priv
->hw_mutex
);
608 vmw_write(dev_priv
, SVGA_REG_ID
, SVGA_ID_2
);
609 svga_id
= vmw_read(dev_priv
, SVGA_REG_ID
);
610 if (svga_id
!= SVGA_ID_2
) {
612 DRM_ERROR("Unsupported SVGA ID 0x%x\n", svga_id
);
613 mutex_unlock(&dev_priv
->hw_mutex
);
617 dev_priv
->capabilities
= vmw_read(dev_priv
, SVGA_REG_CAPABILITIES
);
618 ret
= vmw_dma_select_mode(dev_priv
);
619 if (unlikely(ret
!= 0)) {
620 DRM_INFO("Restricting capabilities due to IOMMU setup.\n");
624 dev_priv
->vram_size
= vmw_read(dev_priv
, SVGA_REG_VRAM_SIZE
);
625 dev_priv
->mmio_size
= vmw_read(dev_priv
, SVGA_REG_MEM_SIZE
);
626 dev_priv
->fb_max_width
= vmw_read(dev_priv
, SVGA_REG_MAX_WIDTH
);
627 dev_priv
->fb_max_height
= vmw_read(dev_priv
, SVGA_REG_MAX_HEIGHT
);
629 vmw_get_initial_size(dev_priv
);
631 if (dev_priv
->capabilities
& SVGA_CAP_GMR2
) {
632 dev_priv
->max_gmr_ids
=
633 vmw_read(dev_priv
, SVGA_REG_GMR_MAX_IDS
);
634 dev_priv
->max_gmr_pages
=
635 vmw_read(dev_priv
, SVGA_REG_GMRS_MAX_PAGES
);
636 dev_priv
->memory_size
=
637 vmw_read(dev_priv
, SVGA_REG_MEMORY_SIZE
);
638 dev_priv
->memory_size
-= dev_priv
->vram_size
;
641 * An arbitrary limit of 512MiB on surface
642 * memory. But all HWV8 hardware supports GMR2.
644 dev_priv
->memory_size
= 512*1024*1024;
646 dev_priv
->max_mob_pages
= 0;
647 if (dev_priv
->capabilities
& SVGA_CAP_GBOBJECTS
) {
650 SVGA_REG_SUGGESTED_GBOBJECT_MEM_SIZE_KB
);
652 dev_priv
->max_mob_pages
= mem_size
* 1024 / PAGE_SIZE
;
655 ret
= vmw_dma_masks(dev_priv
);
656 if (unlikely(ret
!= 0))
659 dev_priv
->prim_bb_mem
= dev_priv
->vram_size
;
661 mutex_unlock(&dev_priv
->hw_mutex
);
663 vmw_print_capabilities(dev_priv
->capabilities
);
665 if (dev_priv
->capabilities
& SVGA_CAP_GMR2
) {
666 DRM_INFO("Max GMR ids is %u\n",
667 (unsigned)dev_priv
->max_gmr_ids
);
668 DRM_INFO("Max number of GMR pages is %u\n",
669 (unsigned)dev_priv
->max_gmr_pages
);
670 DRM_INFO("Max dedicated hypervisor surface memory is %u kiB\n",
671 (unsigned)dev_priv
->memory_size
/ 1024);
673 DRM_INFO("Maximum display memory size is %u kiB\n",
674 dev_priv
->prim_bb_mem
/ 1024);
675 DRM_INFO("VRAM at 0x%08x size is %u kiB\n",
676 dev_priv
->vram_start
, dev_priv
->vram_size
/ 1024);
677 DRM_INFO("MMIO at 0x%08x size is %u kiB\n",
678 dev_priv
->mmio_start
, dev_priv
->mmio_size
/ 1024);
680 ret
= vmw_ttm_global_init(dev_priv
);
681 if (unlikely(ret
!= 0))
685 vmw_master_init(&dev_priv
->fbdev_master
);
686 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
687 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
690 ret
= ttm_bo_device_init(&dev_priv
->bdev
,
691 dev_priv
->bo_global_ref
.ref
.object
,
692 &vmw_bo_driver
, VMWGFX_FILE_PAGE_OFFSET
,
694 if (unlikely(ret
!= 0)) {
695 DRM_ERROR("Failed initializing TTM buffer object driver.\n");
699 ret
= ttm_bo_init_mm(&dev_priv
->bdev
, TTM_PL_VRAM
,
700 (dev_priv
->vram_size
>> PAGE_SHIFT
));
701 if (unlikely(ret
!= 0)) {
702 DRM_ERROR("Failed initializing memory manager for VRAM.\n");
706 dev_priv
->has_gmr
= true;
707 if (((dev_priv
->capabilities
& (SVGA_CAP_GMR
| SVGA_CAP_GMR2
)) == 0) ||
708 refuse_dma
|| ttm_bo_init_mm(&dev_priv
->bdev
, VMW_PL_GMR
,
710 DRM_INFO("No GMR memory available. "
711 "Graphics memory resources are very limited.\n");
712 dev_priv
->has_gmr
= false;
715 if (dev_priv
->capabilities
& SVGA_CAP_GBOBJECTS
) {
716 dev_priv
->has_mob
= true;
717 if (ttm_bo_init_mm(&dev_priv
->bdev
, VMW_PL_MOB
,
719 DRM_INFO("No MOB memory available. "
720 "3D will be disabled.\n");
721 dev_priv
->has_mob
= false;
725 dev_priv
->mmio_mtrr
= arch_phys_wc_add(dev_priv
->mmio_start
,
726 dev_priv
->mmio_size
);
728 dev_priv
->mmio_virt
= ioremap_wc(dev_priv
->mmio_start
,
729 dev_priv
->mmio_size
);
731 if (unlikely(dev_priv
->mmio_virt
== NULL
)) {
733 DRM_ERROR("Failed mapping MMIO.\n");
737 /* Need mmio memory to check for fifo pitchlock cap. */
738 if (!(dev_priv
->capabilities
& SVGA_CAP_DISPLAY_TOPOLOGY
) &&
739 !(dev_priv
->capabilities
& SVGA_CAP_PITCHLOCK
) &&
740 !vmw_fifo_have_pitchlock(dev_priv
)) {
742 DRM_ERROR("Hardware has no pitchlock\n");
746 dev_priv
->tdev
= ttm_object_device_init
747 (dev_priv
->mem_global_ref
.object
, 12, &vmw_prime_dmabuf_ops
);
749 if (unlikely(dev_priv
->tdev
== NULL
)) {
750 DRM_ERROR("Unable to initialize TTM object management.\n");
755 dev
->dev_private
= dev_priv
;
757 ret
= pci_request_regions(dev
->pdev
, "vmwgfx probe");
758 dev_priv
->stealth
= (ret
!= 0);
759 if (dev_priv
->stealth
) {
761 * Request at least the mmio PCI resource.
764 DRM_INFO("It appears like vesafb is loaded. "
765 "Ignore above error if any.\n");
766 ret
= pci_request_region(dev
->pdev
, 2, "vmwgfx stealth probe");
767 if (unlikely(ret
!= 0)) {
768 DRM_ERROR("Failed reserving the SVGA MMIO resource.\n");
773 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
) {
774 ret
= drm_irq_install(dev
);
776 DRM_ERROR("Failed installing irq: %d\n", ret
);
781 dev_priv
->fman
= vmw_fence_manager_init(dev_priv
);
782 if (unlikely(dev_priv
->fman
== NULL
)) {
787 vmw_kms_save_vga(dev_priv
);
789 /* Start kms and overlay systems, needs fifo. */
790 ret
= vmw_kms_init(dev_priv
);
791 if (unlikely(ret
!= 0))
793 vmw_overlay_init(dev_priv
);
795 if (dev_priv
->enable_fb
) {
796 ret
= vmw_3d_resource_inc(dev_priv
, true);
797 if (unlikely(ret
!= 0))
799 vmw_fb_init(dev_priv
);
802 dev_priv
->pm_nb
.notifier_call
= vmwgfx_pm_notifier
;
803 register_pm_notifier(&dev_priv
->pm_nb
);
808 vmw_overlay_close(dev_priv
);
809 vmw_kms_close(dev_priv
);
811 vmw_kms_restore_vga(dev_priv
);
812 vmw_fence_manager_takedown(dev_priv
->fman
);
814 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
)
815 drm_irq_uninstall(dev_priv
->dev
);
817 if (dev_priv
->stealth
)
818 pci_release_region(dev
->pdev
, 2);
820 pci_release_regions(dev
->pdev
);
822 ttm_object_device_release(&dev_priv
->tdev
);
824 iounmap(dev_priv
->mmio_virt
);
826 arch_phys_wc_del(dev_priv
->mmio_mtrr
);
827 if (dev_priv
->has_mob
)
828 (void) ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_MOB
);
829 if (dev_priv
->has_gmr
)
830 (void) ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_GMR
);
831 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
833 (void)ttm_bo_device_release(&dev_priv
->bdev
);
835 vmw_ttm_global_release(dev_priv
);
837 for (i
= vmw_res_context
; i
< vmw_res_max
; ++i
)
838 idr_destroy(&dev_priv
->res_idr
[i
]);
844 static int vmw_driver_unload(struct drm_device
*dev
)
846 struct vmw_private
*dev_priv
= vmw_priv(dev
);
849 unregister_pm_notifier(&dev_priv
->pm_nb
);
851 if (dev_priv
->ctx
.res_ht_initialized
)
852 drm_ht_remove(&dev_priv
->ctx
.res_ht
);
853 if (dev_priv
->ctx
.cmd_bounce
)
854 vfree(dev_priv
->ctx
.cmd_bounce
);
855 if (dev_priv
->enable_fb
) {
856 vmw_fb_close(dev_priv
);
857 vmw_kms_restore_vga(dev_priv
);
858 vmw_3d_resource_dec(dev_priv
, false);
860 vmw_kms_close(dev_priv
);
861 vmw_overlay_close(dev_priv
);
862 vmw_fence_manager_takedown(dev_priv
->fman
);
863 if (dev_priv
->capabilities
& SVGA_CAP_IRQMASK
)
864 drm_irq_uninstall(dev_priv
->dev
);
865 if (dev_priv
->stealth
)
866 pci_release_region(dev
->pdev
, 2);
868 pci_release_regions(dev
->pdev
);
870 ttm_object_device_release(&dev_priv
->tdev
);
871 iounmap(dev_priv
->mmio_virt
);
872 arch_phys_wc_del(dev_priv
->mmio_mtrr
);
873 if (dev_priv
->has_mob
)
874 (void) ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_MOB
);
875 if (dev_priv
->has_gmr
)
876 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, VMW_PL_GMR
);
877 (void)ttm_bo_clean_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
878 (void)ttm_bo_device_release(&dev_priv
->bdev
);
879 vmw_ttm_global_release(dev_priv
);
881 for (i
= vmw_res_context
; i
< vmw_res_max
; ++i
)
882 idr_destroy(&dev_priv
->res_idr
[i
]);
889 static void vmw_preclose(struct drm_device
*dev
,
890 struct drm_file
*file_priv
)
892 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
893 struct vmw_private
*dev_priv
= vmw_priv(dev
);
895 vmw_event_fence_fpriv_gone(dev_priv
->fman
, &vmw_fp
->fence_events
);
898 static void vmw_postclose(struct drm_device
*dev
,
899 struct drm_file
*file_priv
)
901 struct vmw_fpriv
*vmw_fp
;
903 vmw_fp
= vmw_fpriv(file_priv
);
905 if (vmw_fp
->locked_master
) {
906 struct vmw_master
*vmaster
=
907 vmw_master(vmw_fp
->locked_master
);
909 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
910 ttm_vt_unlock(&vmaster
->lock
);
911 drm_master_put(&vmw_fp
->locked_master
);
914 ttm_object_file_release(&vmw_fp
->tfile
);
918 static int vmw_driver_open(struct drm_device
*dev
, struct drm_file
*file_priv
)
920 struct vmw_private
*dev_priv
= vmw_priv(dev
);
921 struct vmw_fpriv
*vmw_fp
;
924 vmw_fp
= kzalloc(sizeof(*vmw_fp
), GFP_KERNEL
);
925 if (unlikely(vmw_fp
== NULL
))
928 INIT_LIST_HEAD(&vmw_fp
->fence_events
);
929 vmw_fp
->tfile
= ttm_object_file_init(dev_priv
->tdev
, 10);
930 if (unlikely(vmw_fp
->tfile
== NULL
))
933 file_priv
->driver_priv
= vmw_fp
;
934 dev_priv
->bdev
.dev_mapping
= dev
->dev_mapping
;
943 static long vmw_unlocked_ioctl(struct file
*filp
, unsigned int cmd
,
946 struct drm_file
*file_priv
= filp
->private_data
;
947 struct drm_device
*dev
= file_priv
->minor
->dev
;
948 unsigned int nr
= DRM_IOCTL_NR(cmd
);
951 * Do extra checking on driver private ioctls.
954 if ((nr
>= DRM_COMMAND_BASE
) && (nr
< DRM_COMMAND_END
)
955 && (nr
< DRM_COMMAND_BASE
+ dev
->driver
->num_ioctls
)) {
956 const struct drm_ioctl_desc
*ioctl
=
957 &vmw_ioctls
[nr
- DRM_COMMAND_BASE
];
959 if (unlikely(ioctl
->cmd_drv
!= cmd
)) {
960 DRM_ERROR("Invalid command format, ioctl %d\n",
961 nr
- DRM_COMMAND_BASE
);
966 return drm_ioctl(filp
, cmd
, arg
);
969 static void vmw_lastclose(struct drm_device
*dev
)
971 struct drm_crtc
*crtc
;
972 struct drm_mode_set set
;
979 set
.connectors
= NULL
;
980 set
.num_connectors
= 0;
982 list_for_each_entry(crtc
, &dev
->mode_config
.crtc_list
, head
) {
984 ret
= drm_mode_set_config_internal(&set
);
990 static void vmw_master_init(struct vmw_master
*vmaster
)
992 ttm_lock_init(&vmaster
->lock
);
993 INIT_LIST_HEAD(&vmaster
->fb_surf
);
994 mutex_init(&vmaster
->fb_surf_mutex
);
997 static int vmw_master_create(struct drm_device
*dev
,
998 struct drm_master
*master
)
1000 struct vmw_master
*vmaster
;
1002 vmaster
= kzalloc(sizeof(*vmaster
), GFP_KERNEL
);
1003 if (unlikely(vmaster
== NULL
))
1006 vmw_master_init(vmaster
);
1007 ttm_lock_set_kill(&vmaster
->lock
, true, SIGTERM
);
1008 master
->driver_priv
= vmaster
;
1013 static void vmw_master_destroy(struct drm_device
*dev
,
1014 struct drm_master
*master
)
1016 struct vmw_master
*vmaster
= vmw_master(master
);
1018 master
->driver_priv
= NULL
;
1023 static int vmw_master_set(struct drm_device
*dev
,
1024 struct drm_file
*file_priv
,
1027 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1028 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
1029 struct vmw_master
*active
= dev_priv
->active_master
;
1030 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
1033 if (!dev_priv
->enable_fb
) {
1034 ret
= vmw_3d_resource_inc(dev_priv
, true);
1035 if (unlikely(ret
!= 0))
1037 vmw_kms_save_vga(dev_priv
);
1038 mutex_lock(&dev_priv
->hw_mutex
);
1039 vmw_write(dev_priv
, SVGA_REG_TRACES
, 0);
1040 mutex_unlock(&dev_priv
->hw_mutex
);
1044 BUG_ON(active
!= &dev_priv
->fbdev_master
);
1045 ret
= ttm_vt_lock(&active
->lock
, false, vmw_fp
->tfile
);
1046 if (unlikely(ret
!= 0))
1047 goto out_no_active_lock
;
1049 ttm_lock_set_kill(&active
->lock
, true, SIGTERM
);
1050 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
1051 if (unlikely(ret
!= 0)) {
1052 DRM_ERROR("Unable to clean VRAM on "
1056 dev_priv
->active_master
= NULL
;
1059 ttm_lock_set_kill(&vmaster
->lock
, false, SIGTERM
);
1061 ttm_vt_unlock(&vmaster
->lock
);
1062 BUG_ON(vmw_fp
->locked_master
!= file_priv
->master
);
1063 drm_master_put(&vmw_fp
->locked_master
);
1066 dev_priv
->active_master
= vmaster
;
1071 if (!dev_priv
->enable_fb
) {
1072 vmw_kms_restore_vga(dev_priv
);
1073 vmw_3d_resource_dec(dev_priv
, true);
1074 mutex_lock(&dev_priv
->hw_mutex
);
1075 vmw_write(dev_priv
, SVGA_REG_TRACES
, 1);
1076 mutex_unlock(&dev_priv
->hw_mutex
);
1081 static void vmw_master_drop(struct drm_device
*dev
,
1082 struct drm_file
*file_priv
,
1085 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1086 struct vmw_fpriv
*vmw_fp
= vmw_fpriv(file_priv
);
1087 struct vmw_master
*vmaster
= vmw_master(file_priv
->master
);
1091 * Make sure the master doesn't disappear while we have
1095 vmw_fp
->locked_master
= drm_master_get(file_priv
->master
);
1096 ret
= ttm_vt_lock(&vmaster
->lock
, false, vmw_fp
->tfile
);
1097 if (unlikely((ret
!= 0))) {
1098 DRM_ERROR("Unable to lock TTM at VT switch.\n");
1099 drm_master_put(&vmw_fp
->locked_master
);
1102 ttm_lock_set_kill(&vmaster
->lock
, false, SIGTERM
);
1103 vmw_execbuf_release_pinned_bo(dev_priv
);
1105 if (!dev_priv
->enable_fb
) {
1106 ret
= ttm_bo_evict_mm(&dev_priv
->bdev
, TTM_PL_VRAM
);
1107 if (unlikely(ret
!= 0))
1108 DRM_ERROR("Unable to clean VRAM on master drop.\n");
1109 vmw_kms_restore_vga(dev_priv
);
1110 vmw_3d_resource_dec(dev_priv
, true);
1111 mutex_lock(&dev_priv
->hw_mutex
);
1112 vmw_write(dev_priv
, SVGA_REG_TRACES
, 1);
1113 mutex_unlock(&dev_priv
->hw_mutex
);
1116 dev_priv
->active_master
= &dev_priv
->fbdev_master
;
1117 ttm_lock_set_kill(&dev_priv
->fbdev_master
.lock
, false, SIGTERM
);
1118 ttm_vt_unlock(&dev_priv
->fbdev_master
.lock
);
1120 if (dev_priv
->enable_fb
)
1121 vmw_fb_on(dev_priv
);
1125 static void vmw_remove(struct pci_dev
*pdev
)
1127 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1132 static int vmwgfx_pm_notifier(struct notifier_block
*nb
, unsigned long val
,
1135 struct vmw_private
*dev_priv
=
1136 container_of(nb
, struct vmw_private
, pm_nb
);
1137 struct vmw_master
*vmaster
= dev_priv
->active_master
;
1140 case PM_HIBERNATION_PREPARE
:
1141 case PM_SUSPEND_PREPARE
:
1142 ttm_suspend_lock(&vmaster
->lock
);
1145 * This empties VRAM and unbinds all GMR bindings.
1146 * Buffer contents is moved to swappable memory.
1148 vmw_execbuf_release_pinned_bo(dev_priv
);
1149 vmw_resource_evict_all(dev_priv
);
1150 ttm_bo_swapout_all(&dev_priv
->bdev
);
1153 case PM_POST_HIBERNATION
:
1154 case PM_POST_SUSPEND
:
1155 case PM_POST_RESTORE
:
1156 ttm_suspend_unlock(&vmaster
->lock
);
1159 case PM_RESTORE_PREPARE
:
1168 * These might not be needed with the virtual SVGA device.
1171 static int vmw_pci_suspend(struct pci_dev
*pdev
, pm_message_t state
)
1173 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1174 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1176 if (dev_priv
->num_3d_resources
!= 0) {
1177 DRM_INFO("Can't suspend or hibernate "
1178 "while 3D resources are active.\n");
1182 pci_save_state(pdev
);
1183 pci_disable_device(pdev
);
1184 pci_set_power_state(pdev
, PCI_D3hot
);
1188 static int vmw_pci_resume(struct pci_dev
*pdev
)
1190 pci_set_power_state(pdev
, PCI_D0
);
1191 pci_restore_state(pdev
);
1192 return pci_enable_device(pdev
);
1195 static int vmw_pm_suspend(struct device
*kdev
)
1197 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1198 struct pm_message dummy
;
1202 return vmw_pci_suspend(pdev
, dummy
);
1205 static int vmw_pm_resume(struct device
*kdev
)
1207 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1209 return vmw_pci_resume(pdev
);
1212 static int vmw_pm_prepare(struct device
*kdev
)
1214 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1215 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1216 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1219 * Release 3d reference held by fbdev and potentially
1222 dev_priv
->suspended
= true;
1223 if (dev_priv
->enable_fb
)
1224 vmw_3d_resource_dec(dev_priv
, true);
1226 if (dev_priv
->num_3d_resources
!= 0) {
1228 DRM_INFO("Can't suspend or hibernate "
1229 "while 3D resources are active.\n");
1231 if (dev_priv
->enable_fb
)
1232 vmw_3d_resource_inc(dev_priv
, true);
1233 dev_priv
->suspended
= false;
1240 static void vmw_pm_complete(struct device
*kdev
)
1242 struct pci_dev
*pdev
= to_pci_dev(kdev
);
1243 struct drm_device
*dev
= pci_get_drvdata(pdev
);
1244 struct vmw_private
*dev_priv
= vmw_priv(dev
);
1246 mutex_lock(&dev_priv
->hw_mutex
);
1247 vmw_write(dev_priv
, SVGA_REG_ID
, SVGA_ID_2
);
1248 (void) vmw_read(dev_priv
, SVGA_REG_ID
);
1249 mutex_unlock(&dev_priv
->hw_mutex
);
1252 * Reclaim 3d reference held by fbdev and potentially
1255 if (dev_priv
->enable_fb
)
1256 vmw_3d_resource_inc(dev_priv
, false);
1258 dev_priv
->suspended
= false;
1261 static const struct dev_pm_ops vmw_pm_ops
= {
1262 .prepare
= vmw_pm_prepare
,
1263 .complete
= vmw_pm_complete
,
1264 .suspend
= vmw_pm_suspend
,
1265 .resume
= vmw_pm_resume
,
1268 static const struct file_operations vmwgfx_driver_fops
= {
1269 .owner
= THIS_MODULE
,
1271 .release
= drm_release
,
1272 .unlocked_ioctl
= vmw_unlocked_ioctl
,
1274 .poll
= vmw_fops_poll
,
1275 .read
= vmw_fops_read
,
1276 #if defined(CONFIG_COMPAT)
1277 .compat_ioctl
= drm_compat_ioctl
,
1279 .llseek
= noop_llseek
,
1282 static struct drm_driver driver
= {
1283 .driver_features
= DRIVER_HAVE_IRQ
| DRIVER_IRQ_SHARED
|
1284 DRIVER_MODESET
| DRIVER_PRIME
,
1285 .load
= vmw_driver_load
,
1286 .unload
= vmw_driver_unload
,
1287 .lastclose
= vmw_lastclose
,
1288 .irq_preinstall
= vmw_irq_preinstall
,
1289 .irq_postinstall
= vmw_irq_postinstall
,
1290 .irq_uninstall
= vmw_irq_uninstall
,
1291 .irq_handler
= vmw_irq_handler
,
1292 .get_vblank_counter
= vmw_get_vblank_counter
,
1293 .enable_vblank
= vmw_enable_vblank
,
1294 .disable_vblank
= vmw_disable_vblank
,
1295 .ioctls
= vmw_ioctls
,
1296 .num_ioctls
= DRM_ARRAY_SIZE(vmw_ioctls
),
1297 .master_create
= vmw_master_create
,
1298 .master_destroy
= vmw_master_destroy
,
1299 .master_set
= vmw_master_set
,
1300 .master_drop
= vmw_master_drop
,
1301 .open
= vmw_driver_open
,
1302 .preclose
= vmw_preclose
,
1303 .postclose
= vmw_postclose
,
1305 .dumb_create
= vmw_dumb_create
,
1306 .dumb_map_offset
= vmw_dumb_map_offset
,
1307 .dumb_destroy
= vmw_dumb_destroy
,
1309 .prime_fd_to_handle
= vmw_prime_fd_to_handle
,
1310 .prime_handle_to_fd
= vmw_prime_handle_to_fd
,
1312 .fops
= &vmwgfx_driver_fops
,
1313 .name
= VMWGFX_DRIVER_NAME
,
1314 .desc
= VMWGFX_DRIVER_DESC
,
1315 .date
= VMWGFX_DRIVER_DATE
,
1316 .major
= VMWGFX_DRIVER_MAJOR
,
1317 .minor
= VMWGFX_DRIVER_MINOR
,
1318 .patchlevel
= VMWGFX_DRIVER_PATCHLEVEL
1321 static struct pci_driver vmw_pci_driver
= {
1322 .name
= VMWGFX_DRIVER_NAME
,
1323 .id_table
= vmw_pci_id_list
,
1325 .remove
= vmw_remove
,
1331 static int vmw_probe(struct pci_dev
*pdev
, const struct pci_device_id
*ent
)
1333 return drm_get_pci_dev(pdev
, ent
, &driver
);
1336 static int __init
vmwgfx_init(void)
1339 ret
= drm_pci_init(&driver
, &vmw_pci_driver
);
1341 DRM_ERROR("Failed initializing DRM.\n");
1345 static void __exit
vmwgfx_exit(void)
1347 drm_pci_exit(&driver
, &vmw_pci_driver
);
1350 module_init(vmwgfx_init
);
1351 module_exit(vmwgfx_exit
);
1353 MODULE_AUTHOR("VMware Inc. and others");
1354 MODULE_DESCRIPTION("Standalone drm driver for the VMware SVGA device");
1355 MODULE_LICENSE("GPL and additional rights");
1356 MODULE_VERSION(__stringify(VMWGFX_DRIVER_MAJOR
) "."
1357 __stringify(VMWGFX_DRIVER_MINOR
) "."
1358 __stringify(VMWGFX_DRIVER_PATCHLEVEL
) "."