nouveau_drm.c 28.7 KB
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/*
 * Copyright 2012 Red Hat Inc.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * Authors: Ben Skeggs
 */

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#include <linux/console.h>
26
#include <linux/delay.h>
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#include <linux/module.h>
#include <linux/pci.h>
29 30
#include <linux/pm_runtime.h>
#include <linux/vga_switcheroo.h>
31

32 33
#include "drmP.h"
#include "drm_crtc_helper.h"
34

35
#include <core/gpuobj.h>
36
#include <core/option.h>
37 38
#include <core/pci.h>
#include <core/tegra.h>
39

40 41
#include <nvif/driver.h>

42
#include <nvif/class.h>
43
#include <nvif/cl0002.h>
44
#include <nvif/cla06f.h>
45 46
#include <nvif/if0004.h>

47
#include "nouveau_drv.h"
48
#include "nouveau_dma.h"
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#include "nouveau_ttm.h"
#include "nouveau_gem.h"
#include "nouveau_vga.h"
52
#include "nouveau_led.h"
53
#include "nouveau_hwmon.h"
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#include "nouveau_acpi.h"
#include "nouveau_bios.h"
#include "nouveau_ioctl.h"
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#include "nouveau_abi16.h"
#include "nouveau_fbcon.h"
#include "nouveau_fence.h"
60
#include "nouveau_debugfs.h"
61
#include "nouveau_usif.h"
62
#include "nouveau_connector.h"
63
#include "nouveau_platform.h"
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MODULE_PARM_DESC(config, "option string to pass to driver core");
static char *nouveau_config;
module_param_named(config, nouveau_config, charp, 0400);

MODULE_PARM_DESC(debug, "debug string to pass to driver core");
static char *nouveau_debug;
module_param_named(debug, nouveau_debug, charp, 0400);

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MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration");
static int nouveau_noaccel = 0;
module_param_named(noaccel, nouveau_noaccel, int, 0400);

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MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
		          "0 = disabled, 1 = enabled, 2 = headless)");
int nouveau_modeset = -1;
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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 85
module_param_named(runpm, nouveau_runtime_pm, int, 0400);

86 87 88
static struct drm_driver driver_stub;
static struct drm_driver driver_pci;
static struct drm_driver driver_platform;
89

90
static u64
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nouveau_pci_name(struct pci_dev *pdev)
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{
	u64 name = (u64)pci_domain_nr(pdev->bus) << 32;
	name |= pdev->bus->number << 16;
	name |= PCI_SLOT(pdev->devfn) << 8;
	return name | PCI_FUNC(pdev->devfn);
}

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static u64
nouveau_platform_name(struct platform_device *platformdev)
{
	return platformdev->id;
}

static u64
nouveau_name(struct drm_device *dev)
{
	if (dev->pdev)
		return nouveau_pci_name(dev->pdev);
	else
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		return nouveau_platform_name(to_platform_device(dev->dev));
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}

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static void
nouveau_cli_fini(struct nouveau_cli *cli)
{
	nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL);
	usif_client_fini(cli);
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	nvif_device_fini(&cli->device);
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	nvif_client_fini(&cli->base);
}

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static int
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nouveau_cli_init(struct nouveau_drm *drm, const char *sname,
		 struct nouveau_cli *cli)
126
{
127
	u64 device = nouveau_name(drm->dev);
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	int ret;

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	snprintf(cli->name, sizeof(cli->name), "%s", sname);
	cli->dev = drm->dev;
	mutex_init(&cli->mutex);
	usif_client_init(cli);

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	if (cli == &drm->client) {
		ret = nvif_driver_init(NULL, nouveau_config, nouveau_debug,
				       cli->name, device, &cli->base);
	} else {
		ret = nvif_client_init(&drm->client.base, cli->name, device,
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				       &cli->base);
141
	}
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	if (ret) {
		NV_ERROR(drm, "Client allocation failed: %d\n", ret);
		goto done;
145
	}
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	ret = nvif_device_init(&cli->base.object, 0, NV_DEVICE,
			       &(struct nv_device_v0) {
					.device = ~0,
			       }, sizeof(struct nv_device_v0),
			       &cli->device);
	if (ret) {
		NV_ERROR(drm, "Device allocation failed: %d\n", ret);
		goto done;
	}

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done:
	if (ret)
		nouveau_cli_fini(cli);
	return ret;
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}

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static void
nouveau_accel_fini(struct nouveau_drm *drm)
{
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	nouveau_channel_idle(drm->channel);
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	nvif_object_fini(&drm->ntfy);
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	nvkm_gpuobj_del(&drm->notify);
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	nvif_notify_fini(&drm->flip);
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	nvif_object_fini(&drm->nvsw);
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	nouveau_channel_del(&drm->channel);

	nouveau_channel_idle(drm->cechan);
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	nvif_object_fini(&drm->ttm.copy);
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	nouveau_channel_del(&drm->cechan);

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	if (drm->fence)
		nouveau_fence(drm)->dtor(drm);
}

static void
nouveau_accel_init(struct nouveau_drm *drm)
{
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	struct nvif_device *device = &drm->client.device;
185
	struct nvif_sclass *sclass;
186
	u32 arg0, arg1;
187
	int ret, i, n;
188

189
	if (nouveau_noaccel)
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		return;

	/* initialise synchronisation routines */
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	/*XXX: this is crap, but the fence/channel stuff is a little
	 *     backwards in some places.  this will be fixed.
	 */
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	ret = n = nvif_object_sclass_get(&device->object, &sclass);
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	if (ret < 0)
		return;

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	for (ret = -ENOSYS, i = 0; i < n; i++) {
		switch (sclass[i].oclass) {
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		case NV03_CHANNEL_DMA:
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			ret = nv04_fence_create(drm);
			break;
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		case NV10_CHANNEL_DMA:
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			ret = nv10_fence_create(drm);
			break;
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		case NV17_CHANNEL_DMA:
		case NV40_CHANNEL_DMA:
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			ret = nv17_fence_create(drm);
			break;
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		case NV50_CHANNEL_GPFIFO:
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			ret = nv50_fence_create(drm);
			break;
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		case G82_CHANNEL_GPFIFO:
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			ret = nv84_fence_create(drm);
			break;
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		case FERMI_CHANNEL_GPFIFO:
		case KEPLER_CHANNEL_GPFIFO_A:
220
		case KEPLER_CHANNEL_GPFIFO_B:
221
		case MAXWELL_CHANNEL_GPFIFO_A:
222
		case PASCAL_CHANNEL_GPFIFO_A:
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			ret = nvc0_fence_create(drm);
			break;
		default:
			break;
		}
	}

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	nvif_object_sclass_put(&sclass);
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	if (ret) {
		NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

237
	if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) {
238
		ret = nouveau_channel_new(drm, &drm->client.device,
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					  NVA06F_V0_ENGINE_CE0 |
					  NVA06F_V0_ENGINE_CE1,
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					  0, &drm->cechan);
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		if (ret)
			NV_ERROR(drm, "failed to create ce channel, %d\n", ret);

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		arg0 = NVA06F_V0_ENGINE_GR;
246
		arg1 = 1;
247
	} else
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	if (device->info.chipset >= 0xa3 &&
	    device->info.chipset != 0xaa &&
	    device->info.chipset != 0xac) {
251
		ret = nouveau_channel_new(drm, &drm->client.device,
252
					  NvDmaFB, NvDmaTT, &drm->cechan);
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		if (ret)
			NV_ERROR(drm, "failed to create ce channel, %d\n", ret);

		arg0 = NvDmaFB;
		arg1 = NvDmaTT;
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	} else {
		arg0 = NvDmaFB;
		arg1 = NvDmaTT;
	}

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	ret = nouveau_channel_new(drm, &drm->client.device,
				  arg0, arg1, &drm->channel);
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	if (ret) {
		NV_ERROR(drm, "failed to create kernel channel, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

271
	ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW,
272
			       nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
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	if (ret == 0) {
		ret = RING_SPACE(drm->channel, 2);
		if (ret == 0) {
276
			if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
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				BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
				OUT_RING  (drm->channel, NVDRM_NVSW);
			} else
280
			if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) {
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				BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
				OUT_RING  (drm->channel, 0x001f0000);
			}
		}
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		ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete,
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				       false, NV04_NVSW_NTFY_UEVENT,
				       NULL, 0, 0, &drm->flip);
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		if (ret == 0)
			ret = nvif_notify_get(&drm->flip);
		if (ret) {
			nouveau_accel_fini(drm);
			return;
		}
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	}

	if (ret) {
		NV_ERROR(drm, "failed to allocate software object, %d\n", ret);
		nouveau_accel_fini(drm);
		return;
	}

303
	if (device->info.family < NV_DEVICE_INFO_V0_FERMI) {
304 305
		ret = nvkm_gpuobj_new(nvxx_device(&drm->client.device), 32, 0,
				      false, NULL, &drm->notify);
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		if (ret) {
			NV_ERROR(drm, "failed to allocate notifier, %d\n", ret);
			nouveau_accel_fini(drm);
			return;
		}

312
		ret = nvif_object_init(&drm->channel->user, NvNotify0,
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				       NV_DMA_IN_MEMORY,
				       &(struct nv_dma_v0) {
						.target = NV_DMA_V0_TARGET_VRAM,
						.access = NV_DMA_V0_ACCESS_RDWR,
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						.start = drm->notify->addr,
						.limit = drm->notify->addr + 31
319
				       }, sizeof(struct nv_dma_v0),
320
				       &drm->ntfy);
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		if (ret) {
			nouveau_accel_fini(drm);
			return;
		}
	}


328
	nouveau_bo_move_init(drm);
329 330
}

331 332
static int nouveau_drm_probe(struct pci_dev *pdev,
			     const struct pci_device_id *pent)
333
{
334
	struct nvkm_device *device;
335 336
	struct apertures_struct *aper;
	bool boot = false;
337 338
	int ret;

339
	if (vga_switcheroo_client_probe_defer(pdev))
340 341
		return -EPROBE_DEFER;

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	/* We need to check that the chipset is supported before booting
	 * fbdev off the hardware, as there's no way to put it back.
	 */
	ret = nvkm_device_pci_new(pdev, NULL, "error", true, false, 0, &device);
	if (ret)
		return ret;

	nvkm_device_del(&device);

	/* Remove conflicting drivers (vesafb, efifb etc). */
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	aper = alloc_apertures(3);
	if (!aper)
		return -ENOMEM;

	aper->ranges[0].base = pci_resource_start(pdev, 1);
	aper->ranges[0].size = pci_resource_len(pdev, 1);
	aper->count = 1;

	if (pci_resource_len(pdev, 2)) {
		aper->ranges[aper->count].base = pci_resource_start(pdev, 2);
		aper->ranges[aper->count].size = pci_resource_len(pdev, 2);
		aper->count++;
	}

	if (pci_resource_len(pdev, 3)) {
		aper->ranges[aper->count].base = pci_resource_start(pdev, 3);
		aper->ranges[aper->count].size = pci_resource_len(pdev, 3);
		aper->count++;
	}

#ifdef CONFIG_X86
	boot = pdev->resource[PCI_ROM_RESOURCE].flags & IORESOURCE_ROM_SHADOW;
#endif
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	if (nouveau_modeset != 2)
376
		drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot);
377
	kfree(aper);
378

379 380
	ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug,
				  true, true, ~0ULL, &device);
381 382 383 384 385
	if (ret)
		return ret;

	pci_set_master(pdev);

386
	ret = drm_get_pci_dev(pdev, pent, &driver_pci);
387
	if (ret) {
388
		nvkm_device_del(&device);
389 390 391 392 393 394
		return ret;
	}

	return 0;
}

395 396 397
#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403

static void
398
nouveau_get_hdmi_dev(struct nouveau_drm *drm)
399
{
400
	struct pci_dev *pdev = drm->dev->pdev;
401

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402
	if (!pdev) {
403
		NV_DEBUG(drm, "not a PCI device; no HDMI\n");
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		drm->hdmi_device = NULL;
		return;
	}

408 409 410 411 412
	/* subfunction one is a hdmi audio device? */
	drm->hdmi_device = pci_get_bus_and_slot((unsigned int)pdev->bus->number,
						PCI_DEVFN(PCI_SLOT(pdev->devfn), 1));

	if (!drm->hdmi_device) {
413
		NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1);
414 415 416 417
		return;
	}

	if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) {
418
		NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class);
419 420 421 422 423 424
		pci_dev_put(drm->hdmi_device);
		drm->hdmi_device = NULL;
		return;
	}
}

425
static int
426 427 428 429 430
nouveau_drm_load(struct drm_device *dev, unsigned long flags)
{
	struct nouveau_drm *drm;
	int ret;

431 432 433 434 435 436
	if (!(drm = kzalloc(sizeof(*drm), GFP_KERNEL)))
		return -ENOMEM;
	dev->dev_private = drm;
	drm->dev = dev;

	ret = nouveau_cli_init(drm, "DRM", &drm->client);
437 438 439
	if (ret)
		return ret;

440 441
	dev->irq_enabled = true;

442
	nvxx_client(&drm->client.base)->debug =
443
		nvkm_dbgopt(nouveau_debug, "DRM");
444

445
	INIT_LIST_HEAD(&drm->clients);
446
	spin_lock_init(&drm->tile.lock);
447

448
	nouveau_get_hdmi_dev(drm);
449

450 451 452 453
	/* workaround an odd issue on nvc1 by disabling the device's
	 * nosnoop capability.  hopefully won't cause issues until a
	 * better fix is found - assuming there is one...
	 */
454 455
	if (drm->client.device.info.chipset == 0xc1)
		nvif_mask(&drm->client.device.object, 0x00088080, 0x00000800, 0x00000000);
456

457
	nouveau_vga_init(drm);
458

459 460
	if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
		if (!nvxx_device(&drm->client.device)->mmu) {
461 462 463 464
			ret = -ENOSYS;
			goto fail_device;
		}

465 466 467
		ret = nvkm_vm_new(nvxx_device(&drm->client.device),
				  0, (1ULL << 40), 0x1000, NULL,
				  &drm->client.vm);
468 469
		if (ret)
			goto fail_device;
470

471
		nvxx_client(&drm->client.base)->vm = drm->client.vm;
472 473 474
	}

	ret = nouveau_ttm_init(drm);
475
	if (ret)
476 477 478 479 480 481 482
		goto fail_ttm;

	ret = nouveau_bios_init(dev);
	if (ret)
		goto fail_bios;

	ret = nouveau_display_create(dev);
483
	if (ret)
484 485 486 487 488 489 490 491
		goto fail_dispctor;

	if (dev->mode_config.num_crtc) {
		ret = nouveau_display_init(dev);
		if (ret)
			goto fail_dispinit;
	}

492
	nouveau_debugfs_init(drm);
493
	nouveau_hwmon_init(dev);
494 495
	nouveau_accel_init(drm);
	nouveau_fbcon_init(dev);
496
	nouveau_led_init(dev);
497

498
	if (nouveau_pmops_runtime()) {
499 500 501 502 503 504
		pm_runtime_use_autosuspend(dev->dev);
		pm_runtime_set_autosuspend_delay(dev->dev, 5000);
		pm_runtime_set_active(dev->dev);
		pm_runtime_allow(dev->dev);
		pm_runtime_mark_last_busy(dev->dev);
		pm_runtime_put(dev->dev);
505 506 507
	} else {
		/* enable polling for external displays */
		drm_kms_helper_poll_enable(dev);
508
	}
509 510
	return 0;

511 512 513 514 515
fail_dispinit:
	nouveau_display_destroy(dev);
fail_dispctor:
	nouveau_bios_takedown(dev);
fail_bios:
516
	nouveau_ttm_fini(drm);
517 518
fail_ttm:
	nouveau_vga_fini(drm);
519
fail_device:
520 521
	nouveau_cli_fini(&drm->client);
	kfree(drm);
522 523 524
	return ret;
}

525
static void
526 527
nouveau_drm_unload(struct drm_device *dev)
{
528
	struct nouveau_drm *drm = nouveau_drm(dev);
529

530
	if (nouveau_pmops_runtime()) {
531
		pm_runtime_get_sync(dev->dev);
532
		pm_runtime_forbid(dev->dev);
533 534
	}

535
	nouveau_led_fini(dev);
536 537
	nouveau_fbcon_fini(dev);
	nouveau_accel_fini(drm);
538
	nouveau_hwmon_fini(dev);
539
	nouveau_debugfs_fini(drm);
540

541
	if (dev->mode_config.num_crtc)
542
		nouveau_display_fini(dev, false);
543 544 545
	nouveau_display_destroy(dev);

	nouveau_bios_takedown(dev);
546

547
	nouveau_ttm_fini(drm);
548
	nouveau_vga_fini(drm);
549

550 551
	if (drm->hdmi_device)
		pci_dev_put(drm->hdmi_device);
552 553
	nouveau_cli_fini(&drm->client);
	kfree(drm);
554 555
}

556 557
void
nouveau_drm_device_remove(struct drm_device *dev)
558
{
559
	struct nouveau_drm *drm = nouveau_drm(dev);
560
	struct nvkm_client *client;
561
	struct nvkm_device *device;
562

563
	dev->irq_enabled = false;
564
	client = nvxx_client(&drm->client.base);
565
	device = nvkm_device_find(client->device);
566 567
	drm_put_dev(dev);

568
	nvkm_device_del(&device);
569
}
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static void
nouveau_drm_remove(struct pci_dev *pdev)
{
	struct drm_device *dev = pci_get_drvdata(pdev);

	nouveau_drm_device_remove(dev);
}
578

579
static int
580
nouveau_do_suspend(struct drm_device *dev, bool runtime)
581
{
582
	struct nouveau_drm *drm = nouveau_drm(dev);
583 584
	int ret;

585 586
	nouveau_led_suspend(dev);

587 588 589
	if (dev->mode_config.num_crtc) {
		NV_INFO(drm, "suspending console...\n");
		nouveau_fbcon_set_suspend(dev, 1);
590
		NV_INFO(drm, "suspending display...\n");
591
		ret = nouveau_display_suspend(dev, runtime);
592 593 594
		if (ret)
			return ret;
	}
595

596
	NV_INFO(drm, "evicting buffers...\n");
597 598
	ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM);

599
	NV_INFO(drm, "waiting for kernel channels to go idle...\n");
600 601 602
	if (drm->cechan) {
		ret = nouveau_channel_idle(drm->cechan);
		if (ret)
603
			goto fail_display;
604 605 606 607 608
	}

	if (drm->channel) {
		ret = nouveau_channel_idle(drm->channel);
		if (ret)
609
			goto fail_display;
610 611
	}

612
	NV_INFO(drm, "suspending fence...\n");
613
	if (drm->fence && nouveau_fence(drm)->suspend) {
614 615 616 617
		if (!nouveau_fence(drm)->suspend(drm)) {
			ret = -ENOMEM;
			goto fail_display;
		}
618 619
	}

620
	NV_INFO(drm, "suspending object tree...\n");
621
	ret = nvif_client_suspend(&drm->client.base);
622 623 624 625 626 627
	if (ret)
		goto fail_client;

	return 0;

fail_client:
628 629 630 631
	if (drm->fence && nouveau_fence(drm)->resume)
		nouveau_fence(drm)->resume(drm);

fail_display:
632
	if (dev->mode_config.num_crtc) {
633
		NV_INFO(drm, "resuming display...\n");
634
		nouveau_display_resume(dev, runtime);
635
	}
636 637 638
	return ret;
}

639
static int
640
nouveau_do_resume(struct drm_device *dev, bool runtime)
D
Dave Airlie 已提交
641 642 643
{
	struct nouveau_drm *drm = nouveau_drm(dev);

644
	NV_INFO(drm, "resuming object tree...\n");
645
	nvif_client_resume(&drm->client.base);
646

647
	NV_INFO(drm, "resuming fence...\n");
648 649 650
	if (drm->fence && nouveau_fence(drm)->resume)
		nouveau_fence(drm)->resume(drm);

651 652
	nouveau_run_vbios_init(dev);

653
	if (dev->mode_config.num_crtc) {
654
		NV_INFO(drm, "resuming display...\n");
655 656 657
		nouveau_display_resume(dev, runtime);
		NV_INFO(drm, "resuming console...\n");
		nouveau_fbcon_set_suspend(dev, 0);
658
	}
659

660 661
	nouveau_led_resume(dev);

662
	return 0;
663 664
}

665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682
int
nouveau_pmops_suspend(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	int ret;

	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
	    drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
		return 0;

	ret = nouveau_do_suspend(drm_dev, false);
	if (ret)
		return ret;

	pci_save_state(pdev);
	pci_disable_device(pdev);
	pci_set_power_state(pdev, PCI_D3hot);
683
	udelay(200);
684 685 686 687 688
	return 0;
}

int
nouveau_pmops_resume(struct device *dev)
D
Dave Airlie 已提交
689 690 691 692 693
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	int ret;

694 695
	if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF ||
	    drm_dev->switch_power_state == DRM_SWITCH_POWER_DYNAMIC_OFF)
D
Dave Airlie 已提交
696 697 698 699 700 701 702 703 704
		return 0;

	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);
	ret = pci_enable_device(pdev);
	if (ret)
		return ret;
	pci_set_master(pdev);

705 706 707 708 709 710
	ret = nouveau_do_resume(drm_dev, false);

	/* Monitors may have been connected / disconnected during suspend */
	schedule_work(&nouveau_drm(drm_dev)->hpd_work);

	return ret;
D
Dave Airlie 已提交
711 712
}

713 714
static int
nouveau_pmops_freeze(struct device *dev)
D
Dave Airlie 已提交
715 716 717
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
718
	return nouveau_do_suspend(drm_dev, false);
D
Dave Airlie 已提交
719 720
}

721 722
static int
nouveau_pmops_thaw(struct device *dev)
D
Dave Airlie 已提交
723 724 725
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
726
	return nouveau_do_resume(drm_dev, false);
D
Dave Airlie 已提交
727 728
}

729 730 731 732 733 734 735 736
bool
nouveau_pmops_runtime()
{
	if (nouveau_runtime_pm == -1)
		return nouveau_is_optimus() || nouveau_is_v1_dsm();
	return nouveau_runtime_pm == 1;
}

737 738 739 740 741 742 743
static int
nouveau_pmops_runtime_suspend(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	int ret;

744
	if (!nouveau_pmops_runtime()) {
745 746 747 748 749 750 751 752 753 754
		pm_runtime_forbid(dev);
		return -EBUSY;
	}

	drm_kms_helper_poll_disable(drm_dev);
	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_OFF);
	nouveau_switcheroo_optimus_dsm();
	ret = nouveau_do_suspend(drm_dev, true);
	pci_save_state(pdev);
	pci_disable_device(pdev);
D
Dave Airlie 已提交
755
	pci_ignore_hotplug(pdev);
756 757 758 759 760 761 762 763 764 765
	pci_set_power_state(pdev, PCI_D3cold);
	drm_dev->switch_power_state = DRM_SWITCH_POWER_DYNAMIC_OFF;
	return ret;
}

static int
nouveau_pmops_runtime_resume(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
766
	struct nvif_device *device = &nouveau_drm(drm_dev)->client.device;
767 768
	int ret;

769 770 771 772
	if (!nouveau_pmops_runtime()) {
		pm_runtime_forbid(dev);
		return -EBUSY;
	}
773 774 775 776 777 778 779 780 781

	pci_set_power_state(pdev, PCI_D0);
	pci_restore_state(pdev);
	ret = pci_enable_device(pdev);
	if (ret)
		return ret;
	pci_set_master(pdev);

	ret = nouveau_do_resume(drm_dev, true);
782

783
	/* do magic */
784
	nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25));
785 786
	vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
	drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
787 788 789 790

	/* Monitors may have been connected / disconnected during suspend */
	schedule_work(&nouveau_drm(drm_dev)->hpd_work);

791 792 793 794 795 796 797 798 799 800 801
	return ret;
}

static int
nouveau_pmops_runtime_idle(struct device *dev)
{
	struct pci_dev *pdev = to_pci_dev(dev);
	struct drm_device *drm_dev = pci_get_drvdata(pdev);
	struct nouveau_drm *drm = nouveau_drm(drm_dev);
	struct drm_crtc *crtc;

802
	if (!nouveau_pmops_runtime()) {
803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826
		pm_runtime_forbid(dev);
		return -EBUSY;
	}

	/* if we have a hdmi audio device - make sure it has a driver loaded */
	if (drm->hdmi_device) {
		if (!drm->hdmi_device->driver) {
			DRM_DEBUG_DRIVER("failing to power off - no HDMI audio driver loaded\n");
			pm_runtime_mark_last_busy(dev);
			return -EBUSY;
		}
	}

	list_for_each_entry(crtc, &drm->dev->mode_config.crtc_list, head) {
		if (crtc->enabled) {
			DRM_DEBUG_DRIVER("failing to power off - crtc active\n");
			return -EBUSY;
		}
	}
	pm_runtime_mark_last_busy(dev);
	pm_runtime_autosuspend(dev);
	/* we don't want the main rpm_idle to call suspend - we want to autosuspend */
	return 1;
}
D
Dave Airlie 已提交
827

828
static int
829 830 831 832
nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
{
	struct nouveau_drm *drm = nouveau_drm(dev);
	struct nouveau_cli *cli;
833
	char name[32], tmpname[TASK_COMM_LEN];
834 835
	int ret;

836 837
	/* need to bring up power immediately if opening device */
	ret = pm_runtime_get_sync(dev->dev);
838
	if (ret < 0 && ret != -EACCES)
839 840
		return ret;

841 842
	get_task_comm(tmpname, current);
	snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
843

844 845
	if (!(cli = kzalloc(sizeof(*cli), GFP_KERNEL)))
		return ret;
A
Alexandre Courbot 已提交
846

847
	ret = nouveau_cli_init(drm, name, cli);
848
	if (ret)
849
		goto done;
850

851 852
	cli->base.super = false;

853 854 855
	if (drm->client.device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
		ret = nvkm_vm_new(nvxx_device(&drm->client.device), 0,
				  (1ULL << 40), 0x1000, NULL, &cli->vm);
856 857
		if (ret)
			goto done;
858

859
		nvxx_client(&cli->base)->vm = cli->vm;
860 861 862 863 864 865 866
	}

	fpriv->driver_priv = cli;

	mutex_lock(&drm->client.mutex);
	list_add(&cli->head, &drm->clients);
	mutex_unlock(&drm->client.mutex);
867

868 869 870 871 872 873
done:
	if (ret && cli) {
		nouveau_cli_fini(cli);
		kfree(cli);
	}

874 875 876
	pm_runtime_mark_last_busy(dev->dev);
	pm_runtime_put_autosuspend(dev->dev);
	return ret;
877 878
}

879
static void
880 881 882 883 884
nouveau_drm_preclose(struct drm_device *dev, struct drm_file *fpriv)
{
	struct nouveau_cli *cli = nouveau_cli(fpriv);
	struct nouveau_drm *drm = nouveau_drm(dev);

885 886
	pm_runtime_get_sync(dev->dev);

887
	mutex_lock(&cli->mutex);
888 889
	if (cli->abi16)
		nouveau_abi16_fini(cli->abi16);
890
	mutex_unlock(&cli->mutex);
891 892 893 894

	mutex_lock(&drm->client.mutex);
	list_del(&cli->head);
	mutex_unlock(&drm->client.mutex);
895

896 897
}

898
static void
899 900 901
nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv)
{
	struct nouveau_cli *cli = nouveau_cli(fpriv);
902 903
	nouveau_cli_fini(cli);
	kfree(cli);
904 905
	pm_runtime_mark_last_busy(dev->dev);
	pm_runtime_put_autosuspend(dev->dev);
906 907
}

R
Rob Clark 已提交
908
static const struct drm_ioctl_desc
909
nouveau_ioctls[] = {
910 911 912 913 914 915 916 917 918 919 920 921
	DRM_IOCTL_DEF_DRV(NOUVEAU_GETPARAM, nouveau_abi16_ioctl_getparam, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_AUTH|DRM_RENDER_ALLOW),
	DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_AUTH|DRM_RENDER_ALLOW),
922 923
};

924 925
long
nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
926
{
927 928
	struct drm_file *filp = file->private_data;
	struct drm_device *dev = filp->minor->dev;
929 930 931
	long ret;

	ret = pm_runtime_get_sync(dev->dev);
932
	if (ret < 0 && ret != -EACCES)
933 934
		return ret;

935 936 937 938 939 940 941 942
	switch (_IOC_NR(cmd) - DRM_COMMAND_BASE) {
	case DRM_NOUVEAU_NVIF:
		ret = usif_ioctl(filp, (void __user *)arg, _IOC_SIZE(cmd));
		break;
	default:
		ret = drm_ioctl(file, cmd, arg);
		break;
	}
943 944 945 946 947

	pm_runtime_mark_last_busy(dev->dev);
	pm_runtime_put_autosuspend(dev->dev);
	return ret;
}
948

949 950 951 952 953
static const struct file_operations
nouveau_driver_fops = {
	.owner = THIS_MODULE,
	.open = drm_open,
	.release = drm_release,
954
	.unlocked_ioctl = nouveau_drm_ioctl,
955 956 957 958 959 960 961 962 963 964
	.mmap = nouveau_ttm_mmap,
	.poll = drm_poll,
	.read = drm_read,
#if defined(CONFIG_COMPAT)
	.compat_ioctl = nouveau_compat_ioctl,
#endif
	.llseek = noop_llseek,
};

static struct drm_driver
965
driver_stub = {
966
	.driver_features =
967 968
		DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER |
		DRIVER_KMS_LEGACY_CONTEXT,
969 970 971 972 973 974 975 976

	.load = nouveau_drm_load,
	.unload = nouveau_drm_unload,
	.open = nouveau_drm_open,
	.preclose = nouveau_drm_preclose,
	.postclose = nouveau_drm_postclose,
	.lastclose = nouveau_vga_lastclose,

977
#if defined(CONFIG_DEBUG_FS)
978
	.debugfs_init = nouveau_drm_debugfs_init,
979 980
#endif

981 982
	.enable_vblank = nouveau_display_vblank_enable,
	.disable_vblank = nouveau_display_vblank_disable,
983 984
	.get_scanout_position = nouveau_display_scanoutpos,
	.get_vblank_timestamp = nouveau_display_vblstamp,
985 986

	.ioctls = nouveau_ioctls,
R
Rob Clark 已提交
987
	.num_ioctls = ARRAY_SIZE(nouveau_ioctls),
988 989 990 991
	.fops = &nouveau_driver_fops,

	.prime_handle_to_fd = drm_gem_prime_handle_to_fd,
	.prime_fd_to_handle = drm_gem_prime_fd_to_handle,
A
Aaron Plattner 已提交
992 993 994
	.gem_prime_export = drm_gem_prime_export,
	.gem_prime_import = drm_gem_prime_import,
	.gem_prime_pin = nouveau_gem_prime_pin,
995
	.gem_prime_res_obj = nouveau_gem_prime_res_obj,
996
	.gem_prime_unpin = nouveau_gem_prime_unpin,
A
Aaron Plattner 已提交
997 998 999 1000
	.gem_prime_get_sg_table = nouveau_gem_prime_get_sg_table,
	.gem_prime_import_sg_table = nouveau_gem_prime_import_sg_table,
	.gem_prime_vmap = nouveau_gem_prime_vmap,
	.gem_prime_vunmap = nouveau_gem_prime_vunmap,
1001

1002
	.gem_free_object_unlocked = nouveau_gem_object_del,
1003 1004 1005 1006 1007
	.gem_open_object = nouveau_gem_object_open,
	.gem_close_object = nouveau_gem_object_close,

	.dumb_create = nouveau_display_dumb_create,
	.dumb_map_offset = nouveau_display_dumb_map_offset,
1008
	.dumb_destroy = drm_gem_dumb_destroy,
1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021

	.name = DRIVER_NAME,
	.desc = DRIVER_DESC,
#ifdef GIT_REVISION
	.date = GIT_REVISION,
#else
	.date = DRIVER_DATE,
#endif
	.major = DRIVER_MAJOR,
	.minor = DRIVER_MINOR,
	.patchlevel = DRIVER_PATCHLEVEL,
};

1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034 1035 1036
static struct pci_device_id
nouveau_drm_pci_table[] = {
	{
		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA, PCI_ANY_ID),
		.class = PCI_BASE_CLASS_DISPLAY << 16,
		.class_mask  = 0xff << 16,
	},
	{
		PCI_DEVICE(PCI_VENDOR_ID_NVIDIA_SGS, PCI_ANY_ID),
		.class = PCI_BASE_CLASS_DISPLAY << 16,
		.class_mask  = 0xff << 16,
	},
	{}
};

1037 1038 1039 1040 1041 1042 1043 1044 1045 1046 1047 1048 1049 1050
static void nouveau_display_options(void)
{
	DRM_DEBUG_DRIVER("Loading Nouveau with parameters:\n");

	DRM_DEBUG_DRIVER("... tv_disable   : %d\n", nouveau_tv_disable);
	DRM_DEBUG_DRIVER("... ignorelid    : %d\n", nouveau_ignorelid);
	DRM_DEBUG_DRIVER("... duallink     : %d\n", nouveau_duallink);
	DRM_DEBUG_DRIVER("... nofbaccel    : %d\n", nouveau_nofbaccel);
	DRM_DEBUG_DRIVER("... config       : %s\n", nouveau_config);
	DRM_DEBUG_DRIVER("... debug        : %s\n", nouveau_debug);
	DRM_DEBUG_DRIVER("... noaccel      : %d\n", nouveau_noaccel);
	DRM_DEBUG_DRIVER("... modeset      : %d\n", nouveau_modeset);
	DRM_DEBUG_DRIVER("... runpm        : %d\n", nouveau_runtime_pm);
	DRM_DEBUG_DRIVER("... vram_pushbuf : %d\n", nouveau_vram_pushbuf);
1051
	DRM_DEBUG_DRIVER("... hdmimhz      : %d\n", nouveau_hdmimhz);
1052 1053
}

D
Dave Airlie 已提交
1054 1055 1056 1057 1058 1059 1060
static const struct dev_pm_ops nouveau_pm_ops = {
	.suspend = nouveau_pmops_suspend,
	.resume = nouveau_pmops_resume,
	.freeze = nouveau_pmops_freeze,
	.thaw = nouveau_pmops_thaw,
	.poweroff = nouveau_pmops_freeze,
	.restore = nouveau_pmops_resume,
1061 1062 1063
	.runtime_suspend = nouveau_pmops_runtime_suspend,
	.runtime_resume = nouveau_pmops_runtime_resume,
	.runtime_idle = nouveau_pmops_runtime_idle,
D
Dave Airlie 已提交
1064 1065
};

1066 1067 1068 1069 1070 1071
static struct pci_driver
nouveau_drm_pci_driver = {
	.name = "nouveau",
	.id_table = nouveau_drm_pci_table,
	.probe = nouveau_drm_probe,
	.remove = nouveau_drm_remove,
D
Dave Airlie 已提交
1072
	.driver.pm = &nouveau_pm_ops,
1073 1074
};

1075
struct drm_device *
1076 1077
nouveau_platform_device_create(const struct nvkm_device_tegra_func *func,
			       struct platform_device *pdev,
1078
			       struct nvkm_device **pdevice)
A
Alexandre Courbot 已提交
1079
{
1080 1081
	struct drm_device *drm;
	int err;
A
Alexandre Courbot 已提交
1082

1083
	err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug,
1084
				    true, true, ~0ULL, pdevice);
1085
	if (err)
1086
		goto err_free;
1087

1088
	drm = drm_dev_alloc(&driver_platform, &pdev->dev);
1089 1090
	if (IS_ERR(drm)) {
		err = PTR_ERR(drm);
1091
		goto err_free;
A
Alexandre Courbot 已提交
1092 1093
	}

1094 1095 1096 1097 1098
	platform_set_drvdata(pdev, drm);

	return drm;

err_free:
1099
	nvkm_device_del(pdevice);
1100 1101

	return ERR_PTR(err);
A
Alexandre Courbot 已提交
1102 1103
}

1104 1105 1106
static int __init
nouveau_drm_init(void)
{
1107 1108 1109 1110
	driver_pci = driver_stub;
	driver_pci.set_busid = drm_pci_set_busid;
	driver_platform = driver_stub;

1111 1112
	nouveau_display_options();

1113 1114 1115 1116 1117 1118 1119 1120
	if (nouveau_modeset == -1) {
		if (vgacon_text_force())
			nouveau_modeset = 0;
	}

	if (!nouveau_modeset)
		return 0;

1121 1122 1123 1124
#ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
	platform_driver_register(&nouveau_platform_driver);
#endif

1125
	nouveau_register_dsm_handler();
1126
	nouveau_backlight_ctor();
1127
	return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver);
1128 1129 1130 1131 1132
}

static void __exit
nouveau_drm_exit(void)
{
1133 1134 1135
	if (!nouveau_modeset)
		return;

1136
	drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver);
1137
	nouveau_backlight_dtor();
1138
	nouveau_unregister_dsm_handler();
1139 1140 1141 1142

#ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER
	platform_driver_unregister(&nouveau_platform_driver);
#endif
1143 1144 1145 1146 1147 1148
}

module_init(nouveau_drm_init);
module_exit(nouveau_drm_exit);

MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table);
1149 1150
MODULE_AUTHOR(DRIVER_AUTHOR);
MODULE_DESCRIPTION(DRIVER_DESC);
1151
MODULE_LICENSE("GPL and additional rights");