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
];
277 nouveau_cli_fini(cli
);
282 nouveau_accel_fini(struct nouveau_drm
*drm
)
284 nouveau_channel_idle(drm
->channel
);
285 nvif_object_fini(&drm
->ntfy
);
286 nvkm_gpuobj_del(&drm
->notify
);
287 nvif_notify_fini(&drm
->flip
);
288 nvif_object_fini(&drm
->nvsw
);
289 nouveau_channel_del(&drm
->channel
);
291 nouveau_channel_idle(drm
->cechan
);
292 nvif_object_fini(&drm
->ttm
.copy
);
293 nouveau_channel_del(&drm
->cechan
);
296 nouveau_fence(drm
)->dtor(drm
);
300 nouveau_accel_init(struct nouveau_drm
*drm
)
302 struct nvif_device
*device
= &drm
->client
.device
;
303 struct nvif_sclass
*sclass
;
310 /* initialise synchronisation routines */
311 /*XXX: this is crap, but the fence/channel stuff is a little
312 * backwards in some places. this will be fixed.
314 ret
= n
= nvif_object_sclass_get(&device
->object
, &sclass
);
318 for (ret
= -ENOSYS
, i
= 0; i
< n
; i
++) {
319 switch (sclass
[i
].oclass
) {
320 case NV03_CHANNEL_DMA
:
321 ret
= nv04_fence_create(drm
);
323 case NV10_CHANNEL_DMA
:
324 ret
= nv10_fence_create(drm
);
326 case NV17_CHANNEL_DMA
:
327 case NV40_CHANNEL_DMA
:
328 ret
= nv17_fence_create(drm
);
330 case NV50_CHANNEL_GPFIFO
:
331 ret
= nv50_fence_create(drm
);
333 case G82_CHANNEL_GPFIFO
:
334 ret
= nv84_fence_create(drm
);
336 case FERMI_CHANNEL_GPFIFO
:
337 case KEPLER_CHANNEL_GPFIFO_A
:
338 case KEPLER_CHANNEL_GPFIFO_B
:
339 case MAXWELL_CHANNEL_GPFIFO_A
:
340 case PASCAL_CHANNEL_GPFIFO_A
:
341 ret
= nvc0_fence_create(drm
);
348 nvif_object_sclass_put(&sclass
);
350 NV_ERROR(drm
, "failed to initialise sync subsystem, %d\n", ret
);
351 nouveau_accel_fini(drm
);
355 if (device
->info
.family
>= NV_DEVICE_INFO_V0_KEPLER
) {
356 ret
= nouveau_channel_new(drm
, &drm
->client
.device
,
357 NVA06F_V0_ENGINE_CE0
|
358 NVA06F_V0_ENGINE_CE1
,
361 NV_ERROR(drm
, "failed to create ce channel, %d\n", ret
);
363 arg0
= NVA06F_V0_ENGINE_GR
;
366 if (device
->info
.chipset
>= 0xa3 &&
367 device
->info
.chipset
!= 0xaa &&
368 device
->info
.chipset
!= 0xac) {
369 ret
= nouveau_channel_new(drm
, &drm
->client
.device
,
370 NvDmaFB
, NvDmaTT
, &drm
->cechan
);
372 NV_ERROR(drm
, "failed to create ce channel, %d\n", ret
);
381 ret
= nouveau_channel_new(drm
, &drm
->client
.device
,
382 arg0
, arg1
, &drm
->channel
);
384 NV_ERROR(drm
, "failed to create kernel channel, %d\n", ret
);
385 nouveau_accel_fini(drm
);
389 ret
= nvif_object_init(&drm
->channel
->user
, NVDRM_NVSW
,
390 nouveau_abi16_swclass(drm
), NULL
, 0, &drm
->nvsw
);
392 ret
= RING_SPACE(drm
->channel
, 2);
394 if (device
->info
.family
< NV_DEVICE_INFO_V0_FERMI
) {
395 BEGIN_NV04(drm
->channel
, NvSubSw
, 0, 1);
396 OUT_RING (drm
->channel
, NVDRM_NVSW
);
398 if (device
->info
.family
< NV_DEVICE_INFO_V0_KEPLER
) {
399 BEGIN_NVC0(drm
->channel
, FermiSw
, 0, 1);
400 OUT_RING (drm
->channel
, 0x001f0000);
404 ret
= nvif_notify_init(&drm
->nvsw
, nouveau_flip_complete
,
405 false, NV04_NVSW_NTFY_UEVENT
,
406 NULL
, 0, 0, &drm
->flip
);
408 ret
= nvif_notify_get(&drm
->flip
);
410 nouveau_accel_fini(drm
);
416 NV_ERROR(drm
, "failed to allocate software object, %d\n", ret
);
417 nouveau_accel_fini(drm
);
421 if (device
->info
.family
< NV_DEVICE_INFO_V0_FERMI
) {
422 ret
= nvkm_gpuobj_new(nvxx_device(&drm
->client
.device
), 32, 0,
423 false, NULL
, &drm
->notify
);
425 NV_ERROR(drm
, "failed to allocate notifier, %d\n", ret
);
426 nouveau_accel_fini(drm
);
430 ret
= nvif_object_init(&drm
->channel
->user
, NvNotify0
,
432 &(struct nv_dma_v0
) {
433 .target
= NV_DMA_V0_TARGET_VRAM
,
434 .access
= NV_DMA_V0_ACCESS_RDWR
,
435 .start
= drm
->notify
->addr
,
436 .limit
= drm
->notify
->addr
+ 31
437 }, sizeof(struct nv_dma_v0
),
440 nouveau_accel_fini(drm
);
446 nouveau_bo_move_init(drm
);
449 static int nouveau_drm_probe(struct pci_dev
*pdev
,
450 const struct pci_device_id
*pent
)
452 struct nvkm_device
*device
;
453 struct apertures_struct
*aper
;
457 if (vga_switcheroo_client_probe_defer(pdev
))
458 return -EPROBE_DEFER
;
460 /* We need to check that the chipset is supported before booting
461 * fbdev off the hardware, as there's no way to put it back.
463 ret
= nvkm_device_pci_new(pdev
, NULL
, "error", true, false, 0, &device
);
467 nvkm_device_del(&device
);
469 /* Remove conflicting drivers (vesafb, efifb etc). */
470 aper
= alloc_apertures(3);
474 aper
->ranges
[0].base
= pci_resource_start(pdev
, 1);
475 aper
->ranges
[0].size
= pci_resource_len(pdev
, 1);
478 if (pci_resource_len(pdev
, 2)) {
479 aper
->ranges
[aper
->count
].base
= pci_resource_start(pdev
, 2);
480 aper
->ranges
[aper
->count
].size
= pci_resource_len(pdev
, 2);
484 if (pci_resource_len(pdev
, 3)) {
485 aper
->ranges
[aper
->count
].base
= pci_resource_start(pdev
, 3);
486 aper
->ranges
[aper
->count
].size
= pci_resource_len(pdev
, 3);
491 boot
= pdev
->resource
[PCI_ROM_RESOURCE
].flags
& IORESOURCE_ROM_SHADOW
;
493 if (nouveau_modeset
!= 2)
494 drm_fb_helper_remove_conflicting_framebuffers(aper
, "nouveaufb", boot
);
497 ret
= nvkm_device_pci_new(pdev
, nouveau_config
, nouveau_debug
,
498 true, true, ~0ULL, &device
);
502 pci_set_master(pdev
);
504 ret
= drm_get_pci_dev(pdev
, pent
, &driver_pci
);
506 nvkm_device_del(&device
);
513 #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
516 nouveau_get_hdmi_dev(struct nouveau_drm
*drm
)
518 struct pci_dev
*pdev
= drm
->dev
->pdev
;
521 NV_DEBUG(drm
, "not a PCI device; no HDMI\n");
522 drm
->hdmi_device
= NULL
;
526 /* subfunction one is a hdmi audio device? */
527 drm
->hdmi_device
= pci_get_bus_and_slot((unsigned int)pdev
->bus
->number
,
528 PCI_DEVFN(PCI_SLOT(pdev
->devfn
), 1));
530 if (!drm
->hdmi_device
) {
531 NV_DEBUG(drm
, "hdmi device not found %d %d %d\n", pdev
->bus
->number
, PCI_SLOT(pdev
->devfn
), 1);
535 if ((drm
->hdmi_device
->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO
) {
536 NV_DEBUG(drm
, "possible hdmi device not audio %d\n", drm
->hdmi_device
->class);
537 pci_dev_put(drm
->hdmi_device
);
538 drm
->hdmi_device
= NULL
;
544 nouveau_drm_load(struct drm_device
*dev
, unsigned long flags
)
546 struct nouveau_drm
*drm
;
549 if (!(drm
= kzalloc(sizeof(*drm
), GFP_KERNEL
)))
551 dev
->dev_private
= drm
;
554 ret
= nouveau_cli_init(drm
, "DRM-master", &drm
->master
);
558 ret
= nouveau_cli_init(drm
, "DRM", &drm
->client
);
562 dev
->irq_enabled
= true;
564 nvxx_client(&drm
->client
.base
)->debug
=
565 nvkm_dbgopt(nouveau_debug
, "DRM");
567 INIT_LIST_HEAD(&drm
->clients
);
568 spin_lock_init(&drm
->tile
.lock
);
570 nouveau_get_hdmi_dev(drm
);
572 /* workaround an odd issue on nvc1 by disabling the device's
573 * nosnoop capability. hopefully won't cause issues until a
574 * better fix is found - assuming there is one...
576 if (drm
->client
.device
.info
.chipset
== 0xc1)
577 nvif_mask(&drm
->client
.device
.object
, 0x00088080, 0x00000800, 0x00000000);
579 nouveau_vga_init(drm
);
581 ret
= nouveau_ttm_init(drm
);
585 ret
= nouveau_bios_init(dev
);
589 ret
= nouveau_display_create(dev
);
593 if (dev
->mode_config
.num_crtc
) {
594 ret
= nouveau_display_init(dev
);
599 nouveau_debugfs_init(drm
);
600 nouveau_hwmon_init(dev
);
601 nouveau_accel_init(drm
);
602 nouveau_fbcon_init(dev
);
603 nouveau_led_init(dev
);
605 if (nouveau_pmops_runtime()) {
606 pm_runtime_use_autosuspend(dev
->dev
);
607 pm_runtime_set_autosuspend_delay(dev
->dev
, 5000);
608 pm_runtime_set_active(dev
->dev
);
609 pm_runtime_allow(dev
->dev
);
610 pm_runtime_mark_last_busy(dev
->dev
);
611 pm_runtime_put(dev
->dev
);
613 /* enable polling for external displays */
614 drm_kms_helper_poll_enable(dev
);
619 nouveau_display_destroy(dev
);
621 nouveau_bios_takedown(dev
);
623 nouveau_ttm_fini(drm
);
625 nouveau_vga_fini(drm
);
626 nouveau_cli_fini(&drm
->client
);
627 nouveau_cli_fini(&drm
->master
);
633 nouveau_drm_unload(struct drm_device
*dev
)
635 struct nouveau_drm
*drm
= nouveau_drm(dev
);
637 if (nouveau_pmops_runtime()) {
638 pm_runtime_get_sync(dev
->dev
);
639 pm_runtime_forbid(dev
->dev
);
642 nouveau_led_fini(dev
);
643 nouveau_fbcon_fini(dev
);
644 nouveau_accel_fini(drm
);
645 nouveau_hwmon_fini(dev
);
646 nouveau_debugfs_fini(drm
);
648 if (dev
->mode_config
.num_crtc
)
649 nouveau_display_fini(dev
, false);
650 nouveau_display_destroy(dev
);
652 nouveau_bios_takedown(dev
);
654 nouveau_ttm_fini(drm
);
655 nouveau_vga_fini(drm
);
657 if (drm
->hdmi_device
)
658 pci_dev_put(drm
->hdmi_device
);
659 nouveau_cli_fini(&drm
->client
);
660 nouveau_cli_fini(&drm
->master
);
665 nouveau_drm_device_remove(struct drm_device
*dev
)
667 struct nouveau_drm
*drm
= nouveau_drm(dev
);
668 struct nvkm_client
*client
;
669 struct nvkm_device
*device
;
671 dev
->irq_enabled
= false;
672 client
= nvxx_client(&drm
->client
.base
);
673 device
= nvkm_device_find(client
->device
);
676 nvkm_device_del(&device
);
680 nouveau_drm_remove(struct pci_dev
*pdev
)
682 struct drm_device
*dev
= pci_get_drvdata(pdev
);
684 nouveau_drm_device_remove(dev
);
688 nouveau_do_suspend(struct drm_device
*dev
, bool runtime
)
690 struct nouveau_drm
*drm
= nouveau_drm(dev
);
693 nouveau_led_suspend(dev
);
695 if (dev
->mode_config
.num_crtc
) {
696 NV_DEBUG(drm
, "suspending console...\n");
697 nouveau_fbcon_set_suspend(dev
, 1);
698 NV_DEBUG(drm
, "suspending display...\n");
699 ret
= nouveau_display_suspend(dev
, runtime
);
704 NV_DEBUG(drm
, "evicting buffers...\n");
705 ttm_bo_evict_mm(&drm
->ttm
.bdev
, TTM_PL_VRAM
);
707 NV_DEBUG(drm
, "waiting for kernel channels to go idle...\n");
709 ret
= nouveau_channel_idle(drm
->cechan
);
715 ret
= nouveau_channel_idle(drm
->channel
);
720 NV_DEBUG(drm
, "suspending fence...\n");
721 if (drm
->fence
&& nouveau_fence(drm
)->suspend
) {
722 if (!nouveau_fence(drm
)->suspend(drm
)) {
728 NV_DEBUG(drm
, "suspending object tree...\n");
729 ret
= nvif_client_suspend(&drm
->master
.base
);
736 if (drm
->fence
&& nouveau_fence(drm
)->resume
)
737 nouveau_fence(drm
)->resume(drm
);
740 if (dev
->mode_config
.num_crtc
) {
741 NV_DEBUG(drm
, "resuming display...\n");
742 nouveau_display_resume(dev
, runtime
);
748 nouveau_do_resume(struct drm_device
*dev
, bool runtime
)
750 struct nouveau_drm
*drm
= nouveau_drm(dev
);
752 NV_DEBUG(drm
, "resuming object tree...\n");
753 nvif_client_resume(&drm
->master
.base
);
755 NV_DEBUG(drm
, "resuming fence...\n");
756 if (drm
->fence
&& nouveau_fence(drm
)->resume
)
757 nouveau_fence(drm
)->resume(drm
);
759 nouveau_run_vbios_init(dev
);
761 if (dev
->mode_config
.num_crtc
) {
762 NV_DEBUG(drm
, "resuming display...\n");
763 nouveau_display_resume(dev
, runtime
);
764 NV_DEBUG(drm
, "resuming console...\n");
765 nouveau_fbcon_set_suspend(dev
, 0);
768 nouveau_led_resume(dev
);
774 nouveau_pmops_suspend(struct device
*dev
)
776 struct pci_dev
*pdev
= to_pci_dev(dev
);
777 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
780 if (drm_dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
||
781 drm_dev
->switch_power_state
== DRM_SWITCH_POWER_DYNAMIC_OFF
)
784 ret
= nouveau_do_suspend(drm_dev
, false);
788 pci_save_state(pdev
);
789 pci_disable_device(pdev
);
790 pci_set_power_state(pdev
, PCI_D3hot
);
796 nouveau_pmops_resume(struct device
*dev
)
798 struct pci_dev
*pdev
= to_pci_dev(dev
);
799 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
802 if (drm_dev
->switch_power_state
== DRM_SWITCH_POWER_OFF
||
803 drm_dev
->switch_power_state
== DRM_SWITCH_POWER_DYNAMIC_OFF
)
806 pci_set_power_state(pdev
, PCI_D0
);
807 pci_restore_state(pdev
);
808 ret
= pci_enable_device(pdev
);
811 pci_set_master(pdev
);
813 ret
= nouveau_do_resume(drm_dev
, false);
815 /* Monitors may have been connected / disconnected during suspend */
816 schedule_work(&nouveau_drm(drm_dev
)->hpd_work
);
822 nouveau_pmops_freeze(struct device
*dev
)
824 struct pci_dev
*pdev
= to_pci_dev(dev
);
825 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
826 return nouveau_do_suspend(drm_dev
, false);
830 nouveau_pmops_thaw(struct device
*dev
)
832 struct pci_dev
*pdev
= to_pci_dev(dev
);
833 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
834 return nouveau_do_resume(drm_dev
, false);
838 nouveau_pmops_runtime(void)
840 if (nouveau_runtime_pm
== -1)
841 return nouveau_is_optimus() || nouveau_is_v1_dsm();
842 return nouveau_runtime_pm
== 1;
846 nouveau_pmops_runtime_suspend(struct device
*dev
)
848 struct pci_dev
*pdev
= to_pci_dev(dev
);
849 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
852 if (!nouveau_pmops_runtime()) {
853 pm_runtime_forbid(dev
);
857 drm_kms_helper_poll_disable(drm_dev
);
858 vga_switcheroo_set_dynamic_switch(pdev
, VGA_SWITCHEROO_OFF
);
859 nouveau_switcheroo_optimus_dsm();
860 ret
= nouveau_do_suspend(drm_dev
, true);
861 pci_save_state(pdev
);
862 pci_disable_device(pdev
);
863 pci_ignore_hotplug(pdev
);
864 pci_set_power_state(pdev
, PCI_D3cold
);
865 drm_dev
->switch_power_state
= DRM_SWITCH_POWER_DYNAMIC_OFF
;
870 nouveau_pmops_runtime_resume(struct device
*dev
)
872 struct pci_dev
*pdev
= to_pci_dev(dev
);
873 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
874 struct nvif_device
*device
= &nouveau_drm(drm_dev
)->client
.device
;
877 if (!nouveau_pmops_runtime()) {
878 pm_runtime_forbid(dev
);
882 pci_set_power_state(pdev
, PCI_D0
);
883 pci_restore_state(pdev
);
884 ret
= pci_enable_device(pdev
);
887 pci_set_master(pdev
);
889 ret
= nouveau_do_resume(drm_dev
, true);
892 nvif_mask(&device
->object
, 0x088488, (1 << 25), (1 << 25));
893 vga_switcheroo_set_dynamic_switch(pdev
, VGA_SWITCHEROO_ON
);
894 drm_dev
->switch_power_state
= DRM_SWITCH_POWER_ON
;
896 /* Monitors may have been connected / disconnected during suspend */
897 schedule_work(&nouveau_drm(drm_dev
)->hpd_work
);
903 nouveau_pmops_runtime_idle(struct device
*dev
)
905 struct pci_dev
*pdev
= to_pci_dev(dev
);
906 struct drm_device
*drm_dev
= pci_get_drvdata(pdev
);
907 struct nouveau_drm
*drm
= nouveau_drm(drm_dev
);
908 struct drm_crtc
*crtc
;
910 if (!nouveau_pmops_runtime()) {
911 pm_runtime_forbid(dev
);
915 /* if we have a hdmi audio device - make sure it has a driver loaded */
916 if (drm
->hdmi_device
) {
917 if (!drm
->hdmi_device
->driver
) {
918 DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
919 pm_runtime_mark_last_busy(dev
);
924 list_for_each_entry(crtc
, &drm
->dev
->mode_config
.crtc_list
, head
) {
926 DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
930 pm_runtime_mark_last_busy(dev
);
931 pm_runtime_autosuspend(dev
);
932 /* we don't want the main rpm_idle to call suspend - we want to autosuspend */
937 nouveau_drm_open(struct drm_device
*dev
, struct drm_file
*fpriv
)
939 struct nouveau_drm
*drm
= nouveau_drm(dev
);
940 struct nouveau_cli
*cli
;
941 char name
[32], tmpname
[TASK_COMM_LEN
];
944 /* need to bring up power immediately if opening device */
945 ret
= pm_runtime_get_sync(dev
->dev
);
946 if (ret
< 0 && ret
!= -EACCES
)
949 get_task_comm(tmpname
, current
);
950 snprintf(name
, sizeof(name
), "%s[%d]", tmpname
, pid_nr(fpriv
->pid
));
952 if (!(cli
= kzalloc(sizeof(*cli
), GFP_KERNEL
)))
955 ret
= nouveau_cli_init(drm
, name
, cli
);
959 cli
->base
.super
= false;
961 fpriv
->driver_priv
= cli
;
963 mutex_lock(&drm
->client
.mutex
);
964 list_add(&cli
->head
, &drm
->clients
);
965 mutex_unlock(&drm
->client
.mutex
);
969 nouveau_cli_fini(cli
);
973 pm_runtime_mark_last_busy(dev
->dev
);
974 pm_runtime_put_autosuspend(dev
->dev
);
979 nouveau_drm_postclose(struct drm_device
*dev
, struct drm_file
*fpriv
)
981 struct nouveau_cli
*cli
= nouveau_cli(fpriv
);
982 struct nouveau_drm
*drm
= nouveau_drm(dev
);
984 pm_runtime_get_sync(dev
->dev
);
986 mutex_lock(&cli
->mutex
);
988 nouveau_abi16_fini(cli
->abi16
);
989 mutex_unlock(&cli
->mutex
);
991 mutex_lock(&drm
->client
.mutex
);
992 list_del(&cli
->head
);
993 mutex_unlock(&drm
->client
.mutex
);
995 nouveau_cli_fini(cli
);
997 pm_runtime_mark_last_busy(dev
->dev
);
998 pm_runtime_put_autosuspend(dev
->dev
);
1001 static const struct drm_ioctl_desc
1002 nouveau_ioctls
[] = {
1003 DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM
, nouveau_abi16_ioctl_getparam
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1004 DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM
, nouveau_abi16_ioctl_setparam
, DRM_AUTH
|DRM_MASTER
|DRM_ROOT_ONLY
),
1005 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC
, nouveau_abi16_ioctl_channel_alloc
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1006 DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE
, nouveau_abi16_ioctl_channel_free
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1007 DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC
, nouveau_abi16_ioctl_grobj_alloc
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1008 DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC
, nouveau_abi16_ioctl_notifierobj_alloc
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1009 DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE
, nouveau_abi16_ioctl_gpuobj_free
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1010 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW
, nouveau_gem_ioctl_new
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1011 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF
, nouveau_gem_ioctl_pushbuf
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1012 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP
, nouveau_gem_ioctl_cpu_prep
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1013 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI
, nouveau_gem_ioctl_cpu_fini
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1014 DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO
, nouveau_gem_ioctl_info
, DRM_AUTH
|DRM_RENDER_ALLOW
),
1018 nouveau_drm_ioctl(struct file
*file
, unsigned int cmd
, unsigned long arg
)
1020 struct drm_file
*filp
= file
->private_data
;
1021 struct drm_device
*dev
= filp
->minor
->dev
;
1024 ret
= pm_runtime_get_sync(dev
->dev
);
1025 if (ret
< 0 && ret
!= -EACCES
)
1028 switch (_IOC_NR(cmd
) - DRM_COMMAND_BASE
) {
1029 case DRM_NOUVEAU_NVIF
:
1030 ret
= usif_ioctl(filp
, (void __user
*)arg
, _IOC_SIZE(cmd
));
1033 ret
= drm_ioctl(file
, cmd
, arg
);
1037 pm_runtime_mark_last_busy(dev
->dev
);
1038 pm_runtime_put_autosuspend(dev
->dev
);
1042 static const struct file_operations
1043 nouveau_driver_fops
= {
1044 .owner
= THIS_MODULE
,
1046 .release
= drm_release
,
1047 .unlocked_ioctl
= nouveau_drm_ioctl
,
1048 .mmap
= nouveau_ttm_mmap
,
1051 #if defined(CONFIG_COMPAT)
1052 .compat_ioctl
= nouveau_compat_ioctl
,
1054 .llseek
= noop_llseek
,
1057 static struct drm_driver
1060 DRIVER_GEM
| DRIVER_MODESET
| DRIVER_PRIME
| DRIVER_RENDER
|
1061 DRIVER_KMS_LEGACY_CONTEXT
,
1063 .load
= nouveau_drm_load
,
1064 .unload
= nouveau_drm_unload
,
1065 .open
= nouveau_drm_open
,
1066 .postclose
= nouveau_drm_postclose
,
1067 .lastclose
= nouveau_vga_lastclose
,
1069 #if defined(CONFIG_DEBUG_FS)
1070 .debugfs_init
= nouveau_drm_debugfs_init
,
1073 .enable_vblank
= nouveau_display_vblank_enable
,
1074 .disable_vblank
= nouveau_display_vblank_disable
,
1075 .get_scanout_position
= nouveau_display_scanoutpos
,
1076 .get_vblank_timestamp
= drm_calc_vbltimestamp_from_scanoutpos
,
1078 .ioctls
= nouveau_ioctls
,
1079 .num_ioctls
= ARRAY_SIZE(nouveau_ioctls
),
1080 .fops
= &nouveau_driver_fops
,
1082 .prime_handle_to_fd
= drm_gem_prime_handle_to_fd
,
1083 .prime_fd_to_handle
= drm_gem_prime_fd_to_handle
,
1084 .gem_prime_export
= drm_gem_prime_export
,
1085 .gem_prime_import
= drm_gem_prime_import
,
1086 .gem_prime_pin
= nouveau_gem_prime_pin
,
1087 .gem_prime_res_obj
= nouveau_gem_prime_res_obj
,
1088 .gem_prime_unpin
= nouveau_gem_prime_unpin
,
1089 .gem_prime_get_sg_table
= nouveau_gem_prime_get_sg_table
,
1090 .gem_prime_import_sg_table
= nouveau_gem_prime_import_sg_table
,
1091 .gem_prime_vmap
= nouveau_gem_prime_vmap
,
1092 .gem_prime_vunmap
= nouveau_gem_prime_vunmap
,
1094 .gem_free_object_unlocked
= nouveau_gem_object_del
,
1095 .gem_open_object
= nouveau_gem_object_open
,
1096 .gem_close_object
= nouveau_gem_object_close
,
1098 .dumb_create
= nouveau_display_dumb_create
,
1099 .dumb_map_offset
= nouveau_display_dumb_map_offset
,
1101 .name
= DRIVER_NAME
,
1102 .desc
= DRIVER_DESC
,
1104 .date
= GIT_REVISION
,
1106 .date
= DRIVER_DATE
,
1108 .major
= DRIVER_MAJOR
,
1109 .minor
= DRIVER_MINOR
,
1110 .patchlevel
= DRIVER_PATCHLEVEL
,
1113 static struct pci_device_id
1114 nouveau_drm_pci_table
[] = {
1116 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA
, PCI_ANY_ID
),
1117 .class = PCI_BASE_CLASS_DISPLAY
<< 16,
1118 .class_mask
= 0xff << 16,
1121 PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS
, PCI_ANY_ID
),
1122 .class = PCI_BASE_CLASS_DISPLAY
<< 16,
1123 .class_mask
= 0xff << 16,
1128 static void nouveau_display_options(void)
1130 DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");
1132 DRM_DEBUG_DRIVER("... tv_disable : %d\n", nouveau_tv_disable
);
1133 DRM_DEBUG_DRIVER("... ignorelid : %d\n", nouveau_ignorelid
);
1134 DRM_DEBUG_DRIVER("... duallink : %d\n", nouveau_duallink
);
1135 DRM_DEBUG_DRIVER("... nofbaccel : %d\n", nouveau_nofbaccel
);
1136 DRM_DEBUG_DRIVER("... config : %s\n", nouveau_config
);
1137 DRM_DEBUG_DRIVER("... debug : %s\n", nouveau_debug
);
1138 DRM_DEBUG_DRIVER("... noaccel : %d\n", nouveau_noaccel
);
1139 DRM_DEBUG_DRIVER("... modeset : %d\n", nouveau_modeset
);
1140 DRM_DEBUG_DRIVER("... runpm : %d\n", nouveau_runtime_pm
);
1141 DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf
);
1142 DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz
);
1145 static const struct dev_pm_ops nouveau_pm_ops
= {
1146 .suspend
= nouveau_pmops_suspend
,
1147 .resume
= nouveau_pmops_resume
,
1148 .freeze
= nouveau_pmops_freeze
,
1149 .thaw
= nouveau_pmops_thaw
,
1150 .poweroff
= nouveau_pmops_freeze
,
1151 .restore
= nouveau_pmops_resume
,
1152 .runtime_suspend
= nouveau_pmops_runtime_suspend
,
1153 .runtime_resume
= nouveau_pmops_runtime_resume
,
1154 .runtime_idle
= nouveau_pmops_runtime_idle
,
1157 static struct pci_driver
1158 nouveau_drm_pci_driver
= {
1160 .id_table
= nouveau_drm_pci_table
,
1161 .probe
= nouveau_drm_probe
,
1162 .remove
= nouveau_drm_remove
,
1163 .driver
.pm
= &nouveau_pm_ops
,
1167 nouveau_platform_device_create(const struct nvkm_device_tegra_func
*func
,
1168 struct platform_device
*pdev
,
1169 struct nvkm_device
**pdevice
)
1171 struct drm_device
*drm
;
1174 err
= nvkm_device_tegra_new(func
, pdev
, nouveau_config
, nouveau_debug
,
1175 true, true, ~0ULL, pdevice
);
1179 drm
= drm_dev_alloc(&driver_platform
, &pdev
->dev
);
1185 platform_set_drvdata(pdev
, drm
);
1190 nvkm_device_del(pdevice
);
1192 return ERR_PTR(err
);
1196 nouveau_drm_init(void)
1198 driver_pci
= driver_stub
;
1199 driver_platform
= driver_stub
;
1201 nouveau_display_options();
1203 if (nouveau_modeset
== -1) {
1204 if (vgacon_text_force())
1205 nouveau_modeset
= 0;
1208 if (!nouveau_modeset
)
1211 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1212 platform_driver_register(&nouveau_platform_driver
);
1215 nouveau_register_dsm_handler();
1216 nouveau_backlight_ctor();
1219 return pci_register_driver(&nouveau_drm_pci_driver
);
1226 nouveau_drm_exit(void)
1228 if (!nouveau_modeset
)
1232 pci_unregister_driver(&nouveau_drm_pci_driver
);
1234 nouveau_backlight_dtor();
1235 nouveau_unregister_dsm_handler();
1237 #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
1238 platform_driver_unregister(&nouveau_platform_driver
);
1242 module_init(nouveau_drm_init
);
1243 module_exit(nouveau_drm_exit
);
1245 MODULE_DEVICE_TABLE(pci
, nouveau_drm_pci_table
);
1246 MODULE_AUTHOR(DRIVER_AUTHOR
);
1247 MODULE_DESCRIPTION(DRIVER_DESC
);
1248 MODULE_LICENSE("GPL and additional rights");