2 * Copyright 2012 Red Hat Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
25 #include <linux/console.h>
26 #include <linux/delay.h>
27 #include <linux/module.h>
28 #include <linux/pci.h>
29 #include <linux/pm_runtime.h>
30 #include <linux/vga_switcheroo.h>
33 #include <drm/drm_crtc_helper.h>
35 #include <core/gpuobj.h>
36 #include <core/option.h>
38 #include <core/tegra.h>
40 #include <nvif/driver.h>
42 #include <nvif/class.h>
43 #include <nvif/cl0002.h>
44 #include <nvif/cla06f.h>
45 #include <nvif/if0004.h>
47 #include "nouveau_drv.h"
48 #include "nouveau_dma.h"
49 #include "nouveau_ttm.h"
50 #include "nouveau_gem.h"
51 #include "nouveau_vga.h"
52 #include "nouveau_led.h"
53 #include "nouveau_hwmon.h"
54 #include "nouveau_acpi.h"
55 #include "nouveau_bios.h"
56 #include "nouveau_ioctl.h"
57 #include "nouveau_abi16.h"
58 #include "nouveau_fbcon.h"
59 #include "nouveau_fence.h"
60 #include "nouveau_debugfs.h"
61 #include "nouveau_usif.h"
62 #include "nouveau_connector.h"
63 #include "nouveau_platform.h"
65 MODULE_PARM_DESC(config
, "option string to pass to driver core");
66 static char *nouveau_config
;
67 module_param_named(config
, nouveau_config
, charp
, 0400);
69 MODULE_PARM_DESC(debug
, "debug string to pass to driver core");
70 static char *nouveau_debug
;
71 module_param_named(debug
, nouveau_debug
, charp
, 0400);
73 MODULE_PARM_DESC(noaccel
, "disable kernel/abi16 acceleration");
74 static int nouveau_noaccel
= 0;
75 module_param_named(noaccel
, nouveau_noaccel
, int, 0400);
77 MODULE_PARM_DESC(modeset
, "enable driver (default: auto, "
78 "0 = disabled, 1 = enabled, 2 = headless)");
79 int nouveau_modeset
= -1;
80 module_param_named(modeset
, nouveau_modeset
, int, 0400);
82 MODULE_PARM_DESC(runpm
, "disable (0), force enable (1), optimus only default (-1)");
83 static int nouveau_runtime_pm
= -1;
84 module_param_named(runpm
, nouveau_runtime_pm
, int, 0400);
86 static struct drm_driver driver_stub
;
87 static struct drm_driver driver_pci
;
88 static struct drm_driver driver_platform
;
91 nouveau_pci_name(struct pci_dev
*pdev
)
93 u64 name
= (u64
)pci_domain_nr(pdev
->bus
) << 32;
94 name
|= pdev
->bus
->number
<< 16;
95 name
|= PCI_SLOT(pdev
->devfn
) << 8;
96 return name
| PCI_FUNC(pdev
->devfn
);
100 nouveau_platform_name(struct platform_device
*platformdev
)
102 return platformdev
->id
;
106 nouveau_name(struct drm_device
*dev
)
109 return nouveau_pci_name(dev
->pdev
);
111 return nouveau_platform_name(to_platform_device(dev
->dev
));
115 nouveau_cli_work_ready(struct dma_fence
*fence
, bool wait
)
117 if (!dma_fence_is_signaled(fence
)) {
120 WARN_ON(dma_fence_wait_timeout(fence
, false, 2 * HZ
) <= 0);
122 dma_fence_put(fence
);
127 nouveau_cli_work_flush(struct nouveau_cli
*cli
, bool wait
)
129 struct nouveau_cli_work
*work
, *wtmp
;
130 mutex_lock(&cli
->lock
);
131 list_for_each_entry_safe(work
, wtmp
, &cli
->worker
, head
) {
132 if (!work
->fence
|| nouveau_cli_work_ready(work
->fence
, wait
)) {
133 list_del(&work
->head
);
137 mutex_unlock(&cli
->lock
);
141 nouveau_cli_work_fence(struct dma_fence
*fence
, struct dma_fence_cb
*cb
)
143 struct nouveau_cli_work
*work
= container_of(cb
, typeof(*work
), cb
);
144 schedule_work(&work
->cli
->work
);
148 nouveau_cli_work_queue(struct nouveau_cli
*cli
, struct dma_fence
*fence
,
149 struct nouveau_cli_work
*work
)
151 work
->fence
= dma_fence_get(fence
);
153 mutex_lock(&cli
->lock
);
154 list_add_tail(&work
->head
, &cli
->worker
);
155 mutex_unlock(&cli
->lock
);
156 if (dma_fence_add_callback(fence
, &work
->cb
, nouveau_cli_work_fence
))
157 nouveau_cli_work_fence(fence
, &work
->cb
);
161 nouveau_cli_work(struct work_struct
*w
)
163 struct nouveau_cli
*cli
= container_of(w
, typeof(*cli
), work
);
164 nouveau_cli_work_flush(cli
, false);
168 nouveau_cli_fini(struct nouveau_cli
*cli
)
170 nouveau_cli_work_flush(cli
, true);
171 usif_client_fini(cli
);
172 nouveau_vmm_fini(&cli
->vmm
);
173 nvif_mmu_fini(&cli
->mmu
);
174 nvif_device_fini(&cli
->device
);
175 mutex_lock(&cli
->drm
->master
.lock
);
176 nvif_client_fini(&cli
->base
);
177 mutex_unlock(&cli
->drm
->master
.lock
);
181 nouveau_cli_init(struct nouveau_drm
*drm
, const char *sname
,
182 struct nouveau_cli
*cli
)
184 static const struct nvif_mclass
186 { NVIF_CLASS_MEM_GF100
, -1 },
187 { NVIF_CLASS_MEM_NV50
, -1 },
188 { NVIF_CLASS_MEM_NV04
, -1 },
191 static const struct nvif_mclass
193 { NVIF_CLASS_MMU_GF100
, -1 },
194 { NVIF_CLASS_MMU_NV50
, -1 },
195 { NVIF_CLASS_MMU_NV04
, -1 },
198 static const struct nvif_mclass
200 { NVIF_CLASS_VMM_GP100
, -1 },
201 { NVIF_CLASS_VMM_GM200
, -1 },
202 { NVIF_CLASS_VMM_GF100
, -1 },
203 { NVIF_CLASS_VMM_NV50
, -1 },
204 { NVIF_CLASS_VMM_NV04
, -1 },
207 u64 device
= nouveau_name(drm
->dev
);
210 snprintf(cli
->name
, sizeof(cli
->name
), "%s", sname
);
212 mutex_init(&cli
->mutex
);
213 usif_client_init(cli
);
215 INIT_WORK(&cli
->work
, nouveau_cli_work
);
216 INIT_LIST_HEAD(&cli
->worker
);
217 mutex_init(&cli
->lock
);
219 if (cli
== &drm
->master
) {
220 ret
= nvif_driver_init(NULL
, nouveau_config
, nouveau_debug
,
221 cli
->name
, device
, &cli
->base
);
223 mutex_lock(&drm
->master
.lock
);
224 ret
= nvif_client_init(&drm
->master
.base
, cli
->name
, device
,
226 mutex_unlock(&drm
->master
.lock
);
229 NV_ERROR(drm
, "Client allocation failed: %d\n", ret
);
233 ret
= nvif_device_init(&cli
->base
.object
, 0, NV_DEVICE
,
234 &(struct nv_device_v0
) {
236 }, sizeof(struct nv_device_v0
),
239 NV_ERROR(drm
, "Device allocation failed: %d\n", ret
);
243 ret
= nvif_mclass(&cli
->device
.object
, mmus
);
245 NV_ERROR(drm
, "No supported MMU class\n");
249 ret
= nvif_mmu_init(&cli
->device
.object
, mmus
[ret
].oclass
, &cli
->mmu
);
251 NV_ERROR(drm
, "MMU allocation failed: %d\n", ret
);
255 ret
= nvif_mclass(&cli
->mmu
.object
, vmms
);
257 NV_ERROR(drm
, "No supported VMM class\n");
261 ret
= nouveau_vmm_init(cli
, vmms
[ret
].oclass
, &cli
->vmm
);
263 NV_ERROR(drm
, "VMM allocation failed: %d\n", ret
);
267 ret
= nvif_mclass(&cli
->mmu
.object
, mems
);
269 NV_ERROR(drm
, "No supported MEM class\n");
273 cli
->mem
= &mems
[ret
];
276 cli
->vm
= cli
->vmm
.vm
;
277 nvxx_client(&cli
->base
)->vm
= cli
->vm
;
283 nouveau_cli_fini(cli
);
288 nouveau_accel_fini(struct nouveau_drm
*drm
)
290 nouveau_channel_idle(drm
->channel
);
291 nvif_object_fini(&drm
->ntfy
);
292 nvkm_gpuobj_del(&drm
->notify
);
293 nvif_notify_fini(&drm
->flip
);
294 nvif_object_fini(&drm
->nvsw
);
295 nouveau_channel_del(&drm
->channel
);
297 nouveau_channel_idle(drm
->cechan
);
298 nvif_object_fini(&drm
->ttm
.copy
);
299 nouveau_channel_del(&drm
->cechan
);
302 nouveau_fence(drm
)->dtor(drm
);
306 nouveau_accel_init(struct nouveau_drm
*drm
)
308 struct nvif_device
*device
= &drm
->client
.device
;
309 struct nvif_sclass
*sclass
;
316 /* initialise synchronisation routines */
317 /*XXX: this is crap, but the fence/channel stuff is a little
318 * backwards in some places. this will be fixed.
320 ret
= n
= nvif_object_sclass_get(&device
->object
, &sclass
);
324 for (ret
= -ENOSYS
, i
= 0; i
< n
; i
++) {
325 switch (sclass
[i
].oclass
) {
326 case NV03_CHANNEL_DMA
:
327 ret
= nv04_fence_create(drm
);
329 case NV10_CHANNEL_DMA
:
330 ret
= nv10_fence_create(drm
);
332 case NV17_CHANNEL_DMA
:
333 case NV40_CHANNEL_DMA
:
334 ret
= nv17_fence_create(drm
);
336 case NV50_CHANNEL_GPFIFO
:
337 ret
= nv50_fence_create(drm
);
339 case G82_CHANNEL_GPFIFO
:
340 ret
= nv84_fence_create(drm
);
342 case FERMI_CHANNEL_GPFIFO
:
343 case KEPLER_CHANNEL_GPFIFO_A
:
344 case KEPLER_CHANNEL_GPFIFO_B
:
345 case MAXWELL_CHANNEL_GPFIFO_A
:
346 case PASCAL_CHANNEL_GPFIFO_A
:
347 ret
= nvc0_fence_create(drm
);
354 nvif_object_sclass_put(&sclass
);
356 NV_ERROR(drm
, "failed to initialise sync subsystem, %d\n", ret
);
357 nouveau_accel_fini(drm
);
361 if (device
->info
.family
>= NV_DEVICE_INFO_V0_KEPLER
) {
362 ret
= nouveau_channel_new(drm
, &drm
->client
.device
,
363 NVA06F_V0_ENGINE_CE0
|
364 NVA06F_V0_ENGINE_CE1
,
367 NV_ERROR(drm
, "failed to create ce channel, %d\n", ret
);
369 arg0
= NVA06F_V0_ENGINE_GR
;
372 if (device
->info
.chipset
>= 0xa3 &&
373 device
->info
.chipset
!= 0xaa &&
374 device
->info
.chipset
!= 0xac) {
375 ret
= nouveau_channel_new(drm
, &drm
->client
.device
,
376 NvDmaFB
, NvDmaTT
, &drm
->cechan
);
378 NV_ERROR(drm
, "failed to create ce channel, %d\n", ret
);
387 ret
= nouveau_channel_new(drm
, &drm
->client
.device
,
388 arg0
, arg1
, &drm
->channel
);
390 NV_ERROR(drm
, "failed to create kernel channel, %d\n", ret
);
391 nouveau_accel_fini(drm
);
395 ret
= nvif_object_init(&drm
->channel
->user
, NVDRM_NVSW
,
396 nouveau_abi16_swclass(drm
), NULL
, 0, &drm
->nvsw
);
398 ret
= RING_SPACE(drm
->channel
, 2);
400 if (device
->info
.family
< NV_DEVICE_INFO_V0_FERMI
) {
401 BEGIN_NV04(drm
->channel
, NvSubSw
, 0, 1);
402 OUT_RING (drm
->channel
, NVDRM_NVSW
);
404 if (device
->info
.family
< NV_DEVICE_INFO_V0_KEPLER
) {
405 BEGIN_NVC0(drm
->channel
, FermiSw
, 0, 1);
406 OUT_RING (drm
->channel
, 0x001f0000);
410 ret
= nvif_notify_init(&drm
->nvsw
, nouveau_flip_complete
,
411 false, NV04_NVSW_NTFY_UEVENT
,
412 NULL
, 0, 0, &drm
->flip
);
414 ret
= nvif_notify_get(&drm
->flip
);
416 nouveau_accel_fini(drm
);
422 NV_ERROR(drm
, "failed to allocate software object, %d\n", ret
);
423 nouveau_accel_fini(drm
);
427 if (device
->info
.family
< NV_DEVICE_INFO_V0_FERMI
) {
428 ret
= nvkm_gpuobj_new(nvxx_device(&drm
->client
.device
), 32, 0,
429 false, NULL
, &drm
->notify
);
431 NV_ERROR(drm
, "failed to allocate notifier, %d\n", ret
);
432 nouveau_accel_fini(drm
);
436 ret
= nvif_object_init(&drm
->channel
->user
, NvNotify0
,
438 &(struct nv_dma_v0
) {
439 .target
= NV_DMA_V0_TARGET_VRAM
,
440 .access
= NV_DMA_V0_ACCESS_RDWR
,
441 .start
= drm
->notify
->addr
,
442 .limit
= drm
->notify
->addr
+ 31
443 }, sizeof(struct nv_dma_v0
),
446 nouveau_accel_fini(drm
);
452 nouveau_bo_move_init(drm
);
455 static int nouveau_drm_probe(struct pci_dev
*pdev
,
456 const struct pci_device_id
*pent
)
458 struct nvkm_device
*device
;
459 struct apertures_struct
*aper
;
463 if (vga_switcheroo_client_probe_defer(pdev
))
464 return -EPROBE_DEFER
;
466 /* We need to check that the chipset is supported before booting
467 * fbdev off the hardware, as there's no way to put it back.
469 ret
= nvkm_device_pci_new(pdev
, NULL
, "error", true, false, 0, &device
);
473 nvkm_device_del(&device
);
475 /* Remove conflicting drivers (vesafb, efifb etc). */
476 aper
= alloc_apertures(3);
480 aper
->ranges
[0].base
= pci_resource_start(pdev
, 1);
481 aper
->ranges
[0].size
= pci_resource_len(pdev
, 1);
484 if (pci_resource_len(pdev
, 2)) {
485 aper
->ranges
[aper
->count
].base
= pci_resource_start(pdev
, 2);
486 aper
->ranges
[aper
->count
].size
= pci_resource_len(pdev
, 2);
490 if (pci_resource_len(pdev
, 3)) {
491 aper
->ranges
[aper
->count
].base
= pci_resource_start(pdev
, 3);
492 aper
->ranges
[aper
->count
].size
= pci_resource_len(pdev
, 3);
497 boot
= pdev
->resource
[PCI_ROM_RESOURCE
].flags
& IORESOURCE_ROM_SHADOW
;
499 if (nouveau_modeset
!= 2)
500 drm_fb_helper_remove_conflicting_framebuffers(aper
, "nouveaufb", boot
);
503 ret
= nvkm_device_pci_new(pdev
, nouveau_config
, nouveau_debug
,
504 true, true, ~0ULL, &device
);
508 pci_set_master(pdev
);
510 ret
= drm_get_pci_dev(pdev
, pent
, &driver_pci
);
512 nvkm_device_del(&device
);
519 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
522 nouveau_get_hdmi_dev(struct nouveau_drm
*drm
)
524 struct pci_dev
*pdev
= drm
->dev
->pdev
;
527 NV_DEBUG(drm
, "not a PCI device; no HDMI\n");
528 drm
->hdmi_device
= NULL
;
532 /* subfunction one is a hdmi audio device? */
533 drm
->hdmi_device
= pci_get_bus_and_slot((unsigned int)pdev
->bus
->number
,
534 PCI_DEVFN(PCI_SLOT(pdev
->devfn
), 1));
536 if (!drm
->hdmi_device
) {
537 NV_DEBUG(drm
, "hdmi device not found %d %d %d\n", pdev
->bus
->number
, PCI_SLOT(pdev
->devfn
), 1);
541 if ((drm
->hdmi_device
->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO
) {
542 NV_DEBUG(drm
, "possible hdmi device not audio %d\n", drm
->hdmi_device
->class);
543 pci_dev_put(drm
->hdmi_device
);
544 drm
->hdmi_device
= NULL
;
550 nouveau_drm_load(struct drm_device
*dev
, unsigned long flags
)
552 struct nouveau_drm
*drm
;
555 if (!(drm
= kzalloc(sizeof(*drm
), GFP_KERNEL
)))
557 dev
->dev_private
= drm
;
560 ret
= nouveau_cli_init(drm
, "DRM-master", &drm
->master
);
564 ret
= nouveau_cli_init(drm
, "DRM", &drm
->client
);
568 dev
->irq_enabled
= true;
570 nvxx_client(&drm
->client
.base
)->debug
=
571 nvkm_dbgopt(nouveau_debug
, "DRM");
573 INIT_LIST_HEAD(&drm
->clients
);
574 spin_lock_init(&drm
->tile
.lock
);
576 nouveau_get_hdmi_dev(drm
);
578 /* workaround an odd issue on nvc1 by disabling the device's
579 * nosnoop capability. hopefully won't cause issues until a
580 * better fix is found - assuming there is one...
582 if (drm
->client
.device
.info
.chipset
== 0xc1)
583 nvif_mask(&drm
->client
.device
.object
, 0x00088080, 0x00000800, 0x00000000);
585 nouveau_vga_init(drm
);
587 ret
= nouveau_ttm_init(drm
);
591 ret
= nouveau_bios_init(dev
);
595 ret
= nouveau_display_create(dev
);
599 if (dev
->mode_config
.num_crtc
) {
600 ret
= nouveau_display_init(dev
);
605 nouveau_debugfs_init(drm
);
606 nouveau_hwmon_init(dev
);
607 nouveau_accel_init(drm
);
608 nouveau_fbcon_init(dev
);
609 nouveau_led_init(dev
);
611 if (nouveau_pmops_runtime()) {
612 pm_runtime_use_autosuspend(dev
->dev
);
613 pm_runtime_set_autosuspend_delay(dev
->dev
, 5000);
614 pm_runtime_set_active(dev
->dev
);
615 pm_runtime_allow(dev
->dev
);
616 pm_runtime_mark_last_busy(dev
->dev
);
617 pm_runtime_put(dev
->dev
);
619 /* enable polling for external displays */
620 drm_kms_helper_poll_enable(dev
);
625 nouveau_display_destroy(dev
);
627 nouveau_bios_takedown(dev
);
629 nouveau_ttm_fini(drm
);
631 nouveau_vga_fini(drm
);
632 nouveau_cli_fini(&drm
->client
);
633 nouveau_cli_fini(&drm
->master
);
639 nouveau_drm_unload(struct drm_device
*dev
)
641 struct nouveau_drm
*drm
= nouveau_drm(dev
);
643 if (nouveau_pmops_runtime()) {
644 pm_runtime_get_sync(dev
->dev
);
645 pm_runtime_forbid(dev
->dev
);
648 nouveau_led_fini(dev
);
649 nouveau_fbcon_fini(dev
);
650 nouveau_accel_fini(drm
);
651 nouveau_hwmon_fini(dev
);
652 nouveau_debugfs_fini(drm
);
654 if (dev
->mode_config
.num_crtc
)
655 nouveau_display_fini(dev
, false);
656 nouveau_display_destroy(dev
);
658 nouveau_bios_takedown(dev
);
660 nouveau_ttm_fini(drm
);
661 nouveau_vga_fini(drm
);
663 if (drm
->hdmi_device
)
664 pci_dev_put(drm
->hdmi_device
);
665 nouveau_cli_fini(&drm
->client
);
666 nouveau_cli_fini(&drm
->master
);
671 nouveau_drm_device_remove(struct drm_device
*dev
)
673 struct nouveau_drm
*drm
= nouveau_drm(dev
);
674 struct nvkm_client
*client
;
675 struct nvkm_device
*device
;
677 dev
->irq_enabled
= false;
678 client
= nvxx_client(&drm
->client
.base
);
679 device
= nvkm_device_find(client
->device
);
682 nvkm_device_del(&device
);
686 nouveau_drm_remove(struct pci_dev
*pdev
)
688 struct drm_device
*dev
= pci_get_drvdata(pdev
);
690 nouveau_drm_device_remove(dev
);
694 nouveau_do_suspend(struct drm_device
*dev
, bool runtime
)
696 struct nouveau_drm
*drm
= nouveau_drm(dev
);
699 nouveau_led_suspend(dev
);
701 if (dev
->mode_config
.num_crtc
) {
702 NV_DEBUG(drm
, "suspending console...\n");
703 nouveau_fbcon_set_suspend(dev
, 1);
704 NV_DEBUG(drm
, "suspending display...\n");
705 ret
= nouveau_display_suspend(dev
, runtime
);
710 NV_DEBUG(drm
, "evicting buffers...\n");
711 ttm_bo_evict_mm(&drm
->ttm
.bdev
, TTM_PL_VRAM
);
713 NV_DEBUG(drm
, "waiting for kernel channels to go idle...\n");
715 ret
= nouveau_channel_idle(drm
->cechan
);
721 ret
= nouveau_channel_idle(drm
->channel
);
726 NV_DEBUG(drm
, "suspending fence...\n");
727 if (drm
->fence
&& nouveau_fence(drm
)->suspend
) {
728 if (!nouveau_fence(drm
)->suspend(drm
)) {
734 NV_DEBUG(drm
, "suspending object tree...\n");
735 ret
= nvif_client_suspend(&drm
->master
.base
);
742 if (drm
->fence
&& nouveau_fence(drm
)->resume
)
743 nouveau_fence(drm
)->resume(drm
);
746 if (dev
->mode_config
.num_crtc
) {
747 NV_DEBUG(drm
, "resuming display...\n");
748 nouveau_display_resume(dev
, runtime
);
754 nouveau_do_resume(struct drm_device
*dev
, bool runtime
)
756 struct nouveau_drm
*drm
= nouveau_drm(dev
);
758 NV_DEBUG(drm
, "resuming object tree...\n");
759 nvif_client_resume(&drm
->master
.base
);
761 NV_DEBUG(drm
, "resuming fence...\n");
762 if (drm
->fence
&& nouveau_fence(drm
)->resume
)
763 nouveau_fence(drm
)->resume(drm
);
765 nouveau_run_vbios_init(dev
);
767 if (dev
->mode_config
.num_crtc
) {
768 NV_DEBUG(drm
, "resuming display...\n");
769 nouveau_display_resume(dev
, runtime
);
770 NV_DEBUG(drm
, "resuming console...\n");
771 nouveau_fbcon_set_suspend(dev
, 0);
774 nouveau_led_resume(dev
);
780 nouveau_pmops_suspend(struct device
*dev
)
782 struct pci_dev
*pdev
= to_pci_dev(dev
);
783 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
786 if (drm_dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
||
787 drm_dev
->switch_power_state
== DRM_SWITCH_POWER_DYNAMIC_OFF
)
790 ret
= nouveau_do_suspend(drm_dev
, false);
794 pci_save_state(pdev
);
795 pci_disable_device(pdev
);
796 pci_set_power_state(pdev
, PCI_D3hot
);
802 nouveau_pmops_resume(struct device
*dev
)
804 struct pci_dev
*pdev
= to_pci_dev(dev
);
805 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
808 if (drm_dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
||
809 drm_dev
->switch_power_state
== DRM_SWITCH_POWER_DYNAMIC_OFF
)
812 pci_set_power_state(pdev
, PCI_D0
);
813 pci_restore_state(pdev
);
814 ret
= pci_enable_device(pdev
);
817 pci_set_master(pdev
);
819 ret
= nouveau_do_resume(drm_dev
, false);
821 /* Monitors may have been connected / disconnected during suspend */
822 schedule_work(&nouveau_drm(drm_dev
)->hpd_work
);
828 nouveau_pmops_freeze(struct device
*dev
)
830 struct pci_dev
*pdev
= to_pci_dev(dev
);
831 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
832 return nouveau_do_suspend(drm_dev
, false);
836 nouveau_pmops_thaw(struct device
*dev
)
838 struct pci_dev
*pdev
= to_pci_dev(dev
);
839 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
840 return nouveau_do_resume(drm_dev
, false);
844 nouveau_pmops_runtime(void)
846 if (nouveau_runtime_pm
== -1)
847 return nouveau_is_optimus() || nouveau_is_v1_dsm();
848 return nouveau_runtime_pm
== 1;
852 nouveau_pmops_runtime_suspend(struct device
*dev
)
854 struct pci_dev
*pdev
= to_pci_dev(dev
);
855 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
858 if (!nouveau_pmops_runtime()) {
859 pm_runtime_forbid(dev
);
863 drm_kms_helper_poll_disable(drm_dev
);
864 vga_switcheroo_set_dynamic_switch(pdev
, VGA_SWITCHEROO_OFF
);
865 nouveau_switcheroo_optimus_dsm();
866 ret
= nouveau_do_suspend(drm_dev
, true);
867 pci_save_state(pdev
);
868 pci_disable_device(pdev
);
869 pci_ignore_hotplug(pdev
);
870 pci_set_power_state(pdev
, PCI_D3cold
);
871 drm_dev
->switch_power_state
= DRM_SWITCH_POWER_DYNAMIC_OFF
;
876 nouveau_pmops_runtime_resume(struct device
*dev
)
878 struct pci_dev
*pdev
= to_pci_dev(dev
);
879 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
880 struct nvif_device
*device
= &nouveau_drm(drm_dev
)->client
.device
;
883 if (!nouveau_pmops_runtime()) {
884 pm_runtime_forbid(dev
);
888 pci_set_power_state(pdev
, PCI_D0
);
889 pci_restore_state(pdev
);
890 ret
= pci_enable_device(pdev
);
893 pci_set_master(pdev
);
895 ret
= nouveau_do_resume(drm_dev
, true);
898 nvif_mask(&device
->object
, 0x088488, (1 << 25), (1 << 25));
899 vga_switcheroo_set_dynamic_switch(pdev
, VGA_SWITCHEROO_ON
);
900 drm_dev
->switch_power_state
= DRM_SWITCH_POWER_ON
;
902 /* Monitors may have been connected / disconnected during suspend */
903 schedule_work(&nouveau_drm(drm_dev
)->hpd_work
);
909 nouveau_pmops_runtime_idle(struct device
*dev
)
911 struct pci_dev
*pdev
= to_pci_dev(dev
);
912 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
913 struct nouveau_drm
*drm
= nouveau_drm(drm_dev
);
914 struct drm_crtc
*crtc
;
916 if (!nouveau_pmops_runtime()) {
917 pm_runtime_forbid(dev
);
921 /* if we have a hdmi audio device - make sure it has a driver loaded */
922 if (drm
->hdmi_device
) {
923 if (!drm
->hdmi_device
->driver
) {
924 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
925 pm_runtime_mark_last_busy(dev
);
930 list_for_each_entry(crtc
, &drm
->dev
->mode_config
.crtc_list
, head
) {
932 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
936 pm_runtime_mark_last_busy(dev
);
937 pm_runtime_autosuspend(dev
);
938 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
943 nouveau_drm_open(struct drm_device
*dev
, struct drm_file
*fpriv
)
945 struct nouveau_drm
*drm
= nouveau_drm(dev
);
946 struct nouveau_cli
*cli
;
947 char name
[32], tmpname
[TASK_COMM_LEN
];
950 /* need to bring up power immediately if opening device */
951 ret
= pm_runtime_get_sync(dev
->dev
);
952 if (ret
< 0 && ret
!= -EACCES
)
955 get_task_comm(tmpname
, current
);
956 snprintf(name
, sizeof(name
), "%s[%d]", tmpname
, pid_nr(fpriv
->pid
));
958 if (!(cli
= kzalloc(sizeof(*cli
), GFP_KERNEL
)))
961 ret
= nouveau_cli_init(drm
, name
, cli
);
965 cli
->base
.super
= false;
967 fpriv
->driver_priv
= cli
;
969 mutex_lock(&drm
->client
.mutex
);
970 list_add(&cli
->head
, &drm
->clients
);
971 mutex_unlock(&drm
->client
.mutex
);
975 nouveau_cli_fini(cli
);
979 pm_runtime_mark_last_busy(dev
->dev
);
980 pm_runtime_put_autosuspend(dev
->dev
);
985 nouveau_drm_postclose(struct drm_device
*dev
, struct drm_file
*fpriv
)
987 struct nouveau_cli
*cli
= nouveau_cli(fpriv
);
988 struct nouveau_drm
*drm
= nouveau_drm(dev
);
990 pm_runtime_get_sync(dev
->dev
);
992 mutex_lock(&cli
->mutex
);
994 nouveau_abi16_fini(cli
->abi16
);
995 mutex_unlock(&cli
->mutex
);
997 mutex_lock(&drm
->client
.mutex
);
998 list_del(&cli
->head
);
999 mutex_unlock(&drm
->client
.mutex
);
1001 nouveau_cli_fini(cli
);
1003 pm_runtime_mark_last_busy(dev
->dev
);
1004 pm_runtime_put_autosuspend(dev
->dev
);
1007 static const struct drm_ioctl_desc
1008 nouveau_ioctls
[] = {
1009 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM
, nouveau_abi16_ioctl_getparam
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1010 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM
, nouveau_abi16_ioctl_setparam
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1011 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC
, nouveau_abi16_ioctl_channel_alloc
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1012 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE
, nouveau_abi16_ioctl_channel_free
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1013 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC
, nouveau_abi16_ioctl_grobj_alloc
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1014 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC
, nouveau_abi16_ioctl_notifierobj_alloc
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1015 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE
, nouveau_abi16_ioctl_gpuobj_free
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1016 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW
, nouveau_gem_ioctl_new
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1017 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF
, nouveau_gem_ioctl_pushbuf
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1018 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP
, nouveau_gem_ioctl_cpu_prep
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1019 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI
, nouveau_gem_ioctl_cpu_fini
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1020 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO
, nouveau_gem_ioctl_info
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1024 nouveau_drm_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
1026 struct drm_file
*filp
= file
->private_data
;
1027 struct drm_device
*dev
= filp
->minor
->dev
;
1030 ret
= pm_runtime_get_sync(dev
->dev
);
1031 if (ret
< 0 && ret
!= -EACCES
)
1034 switch (_IOC_NR(cmd
) - DRM_COMMAND_BASE
) {
1035 case DRM_NOUVEAU_NVIF
:
1036 ret
= usif_ioctl(filp
, (void __user
*)arg
, _IOC_SIZE(cmd
));
1039 ret
= drm_ioctl(file
, cmd
, arg
);
1043 pm_runtime_mark_last_busy(dev
->dev
);
1044 pm_runtime_put_autosuspend(dev
->dev
);
1048 static const struct file_operations
1049 nouveau_driver_fops
= {
1050 .owner
= THIS_MODULE
,
1052 .release
= drm_release
,
1053 .unlocked_ioctl
= nouveau_drm_ioctl
,
1054 .mmap
= nouveau_ttm_mmap
,
1057 #if defined(CONFIG_COMPAT)
1058 .compat_ioctl
= nouveau_compat_ioctl
,
1060 .llseek
= noop_llseek
,
1063 static struct drm_driver
1066 DRIVER_GEM
| DRIVER_MODESET
| DRIVER_PRIME
| DRIVER_RENDER
|
1067 DRIVER_KMS_LEGACY_CONTEXT
,
1069 .load
= nouveau_drm_load
,
1070 .unload
= nouveau_drm_unload
,
1071 .open
= nouveau_drm_open
,
1072 .postclose
= nouveau_drm_postclose
,
1073 .lastclose
= nouveau_vga_lastclose
,
1075 #if defined(CONFIG_DEBUG_FS)
1076 .debugfs_init
= nouveau_drm_debugfs_init
,
1079 .enable_vblank
= nouveau_display_vblank_enable
,
1080 .disable_vblank
= nouveau_display_vblank_disable
,
1081 .get_scanout_position
= nouveau_display_scanoutpos
,
1082 .get_vblank_timestamp
= drm_calc_vbltimestamp_from_scanoutpos
,
1084 .ioctls
= nouveau_ioctls
,
1085 .num_ioctls
= ARRAY_SIZE(nouveau_ioctls
),
1086 .fops
= &nouveau_driver_fops
,
1088 .prime_handle_to_fd
= drm_gem_prime_handle_to_fd
,
1089 .prime_fd_to_handle
= drm_gem_prime_fd_to_handle
,
1090 .gem_prime_export
= drm_gem_prime_export
,
1091 .gem_prime_import
= drm_gem_prime_import
,
1092 .gem_prime_pin
= nouveau_gem_prime_pin
,
1093 .gem_prime_res_obj
= nouveau_gem_prime_res_obj
,
1094 .gem_prime_unpin
= nouveau_gem_prime_unpin
,
1095 .gem_prime_get_sg_table
= nouveau_gem_prime_get_sg_table
,
1096 .gem_prime_import_sg_table
= nouveau_gem_prime_import_sg_table
,
1097 .gem_prime_vmap
= nouveau_gem_prime_vmap
,
1098 .gem_prime_vunmap
= nouveau_gem_prime_vunmap
,
1100 .gem_free_object_unlocked
= nouveau_gem_object_del
,
1101 .gem_open_object
= nouveau_gem_object_open
,
1102 .gem_close_object
= nouveau_gem_object_close
,
1104 .dumb_create
= nouveau_display_dumb_create
,
1105 .dumb_map_offset
= nouveau_display_dumb_map_offset
,
1107 .name
= DRIVER_NAME
,
1108 .desc
= DRIVER_DESC
,
1110 .date
= GIT_REVISION
,
1112 .date
= DRIVER_DATE
,
1114 .major
= DRIVER_MAJOR
,
1115 .minor
= DRIVER_MINOR
,
1116 .patchlevel
= DRIVER_PATCHLEVEL
,
1119 static struct pci_device_id
1120 nouveau_drm_pci_table
[] = {
1122 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA
, PCI_ANY_ID
),
1123 .class = PCI_BASE_CLASS_DISPLAY
<< 16,
1124 .class_mask
= 0xff << 16,
1127 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS
, PCI_ANY_ID
),
1128 .class = PCI_BASE_CLASS_DISPLAY
<< 16,
1129 .class_mask
= 0xff << 16,
1134 static void nouveau_display_options(void)
1136 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1138 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable
);
1139 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid
);
1140 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink
);
1141 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel
);
1142 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config
);
1143 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug
);
1144 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel
);
1145 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset
);
1146 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm
);
1147 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf
);
1148 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz
);
1151 static const struct dev_pm_ops nouveau_pm_ops
= {
1152 .suspend
= nouveau_pmops_suspend
,
1153 .resume
= nouveau_pmops_resume
,
1154 .freeze
= nouveau_pmops_freeze
,
1155 .thaw
= nouveau_pmops_thaw
,
1156 .poweroff
= nouveau_pmops_freeze
,
1157 .restore
= nouveau_pmops_resume
,
1158 .runtime_suspend
= nouveau_pmops_runtime_suspend
,
1159 .runtime_resume
= nouveau_pmops_runtime_resume
,
1160 .runtime_idle
= nouveau_pmops_runtime_idle
,
1163 static struct pci_driver
1164 nouveau_drm_pci_driver
= {
1166 .id_table
= nouveau_drm_pci_table
,
1167 .probe
= nouveau_drm_probe
,
1168 .remove
= nouveau_drm_remove
,
1169 .driver
.pm
= &nouveau_pm_ops
,
1173 nouveau_platform_device_create(const struct nvkm_device_tegra_func
*func
,
1174 struct platform_device
*pdev
,
1175 struct nvkm_device
**pdevice
)
1177 struct drm_device
*drm
;
1180 err
= nvkm_device_tegra_new(func
, pdev
, nouveau_config
, nouveau_debug
,
1181 true, true, ~0ULL, pdevice
);
1185 drm
= drm_dev_alloc(&driver_platform
, &pdev
->dev
);
1191 platform_set_drvdata(pdev
, drm
);
1196 nvkm_device_del(pdevice
);
1198 return ERR_PTR(err
);
1202 nouveau_drm_init(void)
1204 driver_pci
= driver_stub
;
1205 driver_platform
= driver_stub
;
1207 nouveau_display_options();
1209 if (nouveau_modeset
== -1) {
1210 if (vgacon_text_force())
1211 nouveau_modeset
= 0;
1214 if (!nouveau_modeset
)
1217 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1218 platform_driver_register(&nouveau_platform_driver
);
1221 nouveau_register_dsm_handler();
1222 nouveau_backlight_ctor();
1225 return pci_register_driver(&nouveau_drm_pci_driver
);
1232 nouveau_drm_exit(void)
1234 if (!nouveau_modeset
)
1238 pci_unregister_driver(&nouveau_drm_pci_driver
);
1240 nouveau_backlight_dtor();
1241 nouveau_unregister_dsm_handler();
1243 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1244 platform_driver_unregister(&nouveau_platform_driver
);
1248 module_init(nouveau_drm_init
);
1249 module_exit(nouveau_drm_exit
);
1251 MODULE_DEVICE_TABLE(pci
, nouveau_drm_pci_table
);
1252 MODULE_AUTHOR(DRIVER_AUTHOR
);
1253 MODULE_DESCRIPTION(DRIVER_DESC
);
1254 MODULE_LICENSE("GPL and additional rights");