| /* |
| * 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 |
| */ |
| |
| #include <linux/console.h> |
| #include <linux/delay.h> |
| #include <linux/module.h> |
| #include <linux/pci.h> |
| #include <linux/pm_runtime.h> |
| #include <linux/vga_switcheroo.h> |
| |
| #include "drmP.h" |
| #include "drm_crtc_helper.h" |
| |
| #include <core/gpuobj.h> |
| #include <core/option.h> |
| #include <core/pci.h> |
| #include <core/tegra.h> |
| |
| #include <nvif/class.h> |
| #include <nvif/cl0002.h> |
| #include <nvif/cla06f.h> |
| #include <nvif/if0004.h> |
| |
| #include "nouveau_drv.h" |
| #include "nouveau_dma.h" |
| #include "nouveau_ttm.h" |
| #include "nouveau_gem.h" |
| #include "nouveau_vga.h" |
| #include "nouveau_led.h" |
| #include "nouveau_hwmon.h" |
| #include "nouveau_acpi.h" |
| #include "nouveau_bios.h" |
| #include "nouveau_ioctl.h" |
| #include "nouveau_abi16.h" |
| #include "nouveau_fbcon.h" |
| #include "nouveau_fence.h" |
| #include "nouveau_debugfs.h" |
| #include "nouveau_usif.h" |
| #include "nouveau_connector.h" |
| #include "nouveau_platform.h" |
| |
| 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); |
| |
| MODULE_PARM_DESC(noaccel, "disable kernel/abi16 acceleration"); |
| static int nouveau_noaccel = 0; |
| module_param_named(noaccel, nouveau_noaccel, int, 0400); |
| |
| MODULE_PARM_DESC(modeset, "enable driver (default: auto, " |
| "0 = disabled, 1 = enabled, 2 = headless)"); |
| int nouveau_modeset = -1; |
| module_param_named(modeset, nouveau_modeset, int, 0400); |
| |
| MODULE_PARM_DESC(runpm, "disable (0), force enable (1), optimus only default (-1)"); |
| int nouveau_runtime_pm = -1; |
| module_param_named(runpm, nouveau_runtime_pm, int, 0400); |
| |
| static struct drm_driver driver_stub; |
| static struct drm_driver driver_pci; |
| static struct drm_driver driver_platform; |
| |
| static u64 |
| nouveau_pci_name(struct pci_dev *pdev) |
| { |
| 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); |
| } |
| |
| 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 |
| return nouveau_platform_name(dev->platformdev); |
| } |
| |
| static int |
| nouveau_cli_create(struct drm_device *dev, const char *sname, |
| int size, void **pcli) |
| { |
| struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL); |
| int ret; |
| if (cli) { |
| snprintf(cli->name, sizeof(cli->name), "%s", sname); |
| cli->dev = dev; |
| |
| ret = nvif_client_init(NULL, cli->name, nouveau_name(dev), |
| nouveau_config, nouveau_debug, |
| &cli->base); |
| if (ret == 0) { |
| mutex_init(&cli->mutex); |
| usif_client_init(cli); |
| } |
| return ret; |
| } |
| return -ENOMEM; |
| } |
| |
| static void |
| nouveau_cli_destroy(struct nouveau_cli *cli) |
| { |
| nvkm_vm_ref(NULL, &nvxx_client(&cli->base)->vm, NULL); |
| nvif_client_fini(&cli->base); |
| usif_client_fini(cli); |
| kfree(cli); |
| } |
| |
| static void |
| nouveau_accel_fini(struct nouveau_drm *drm) |
| { |
| nouveau_channel_idle(drm->channel); |
| nvif_object_fini(&drm->ntfy); |
| nvkm_gpuobj_del(&drm->notify); |
| nvif_notify_fini(&drm->flip); |
| nvif_object_fini(&drm->nvsw); |
| nouveau_channel_del(&drm->channel); |
| |
| nouveau_channel_idle(drm->cechan); |
| nvif_object_fini(&drm->ttm.copy); |
| nouveau_channel_del(&drm->cechan); |
| |
| if (drm->fence) |
| nouveau_fence(drm)->dtor(drm); |
| } |
| |
| static void |
| nouveau_accel_init(struct nouveau_drm *drm) |
| { |
| struct nvif_device *device = &drm->device; |
| struct nvif_sclass *sclass; |
| u32 arg0, arg1; |
| int ret, i, n; |
| |
| if (nouveau_noaccel) |
| return; |
| |
| /* initialise synchronisation routines */ |
| /*XXX: this is crap, but the fence/channel stuff is a little |
| * backwards in some places. this will be fixed. |
| */ |
| ret = n = nvif_object_sclass_get(&device->object, &sclass); |
| if (ret < 0) |
| return; |
| |
| for (ret = -ENOSYS, i = 0; i < n; i++) { |
| switch (sclass[i].oclass) { |
| case NV03_CHANNEL_DMA: |
| ret = nv04_fence_create(drm); |
| break; |
| case NV10_CHANNEL_DMA: |
| ret = nv10_fence_create(drm); |
| break; |
| case NV17_CHANNEL_DMA: |
| case NV40_CHANNEL_DMA: |
| ret = nv17_fence_create(drm); |
| break; |
| case NV50_CHANNEL_GPFIFO: |
| ret = nv50_fence_create(drm); |
| break; |
| case G82_CHANNEL_GPFIFO: |
| ret = nv84_fence_create(drm); |
| break; |
| case FERMI_CHANNEL_GPFIFO: |
| case KEPLER_CHANNEL_GPFIFO_A: |
| case KEPLER_CHANNEL_GPFIFO_B: |
| case MAXWELL_CHANNEL_GPFIFO_A: |
| case PASCAL_CHANNEL_GPFIFO_A: |
| ret = nvc0_fence_create(drm); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| nvif_object_sclass_put(&sclass); |
| if (ret) { |
| NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret); |
| nouveau_accel_fini(drm); |
| return; |
| } |
| |
| if (device->info.family >= NV_DEVICE_INFO_V0_KEPLER) { |
| ret = nouveau_channel_new(drm, &drm->device, |
| NVA06F_V0_ENGINE_CE0 | |
| NVA06F_V0_ENGINE_CE1, |
| 0, &drm->cechan); |
| if (ret) |
| NV_ERROR(drm, "failed to create ce channel, %d\n", ret); |
| |
| arg0 = NVA06F_V0_ENGINE_GR; |
| arg1 = 1; |
| } else |
| if (device->info.chipset >= 0xa3 && |
| device->info.chipset != 0xaa && |
| device->info.chipset != 0xac) { |
| ret = nouveau_channel_new(drm, &drm->device, |
| NvDmaFB, NvDmaTT, &drm->cechan); |
| if (ret) |
| NV_ERROR(drm, "failed to create ce channel, %d\n", ret); |
| |
| arg0 = NvDmaFB; |
| arg1 = NvDmaTT; |
| } else { |
| arg0 = NvDmaFB; |
| arg1 = NvDmaTT; |
| } |
| |
| ret = nouveau_channel_new(drm, &drm->device, arg0, arg1, &drm->channel); |
| if (ret) { |
| NV_ERROR(drm, "failed to create kernel channel, %d\n", ret); |
| nouveau_accel_fini(drm); |
| return; |
| } |
| |
| ret = nvif_object_init(&drm->channel->user, NVDRM_NVSW, |
| nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw); |
| if (ret == 0) { |
| ret = RING_SPACE(drm->channel, 2); |
| if (ret == 0) { |
| if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { |
| BEGIN_NV04(drm->channel, NvSubSw, 0, 1); |
| OUT_RING (drm->channel, NVDRM_NVSW); |
| } else |
| if (device->info.family < NV_DEVICE_INFO_V0_KEPLER) { |
| BEGIN_NVC0(drm->channel, FermiSw, 0, 1); |
| OUT_RING (drm->channel, 0x001f0000); |
| } |
| } |
| |
| ret = nvif_notify_init(&drm->nvsw, nouveau_flip_complete, |
| false, NV04_NVSW_NTFY_UEVENT, |
| NULL, 0, 0, &drm->flip); |
| if (ret == 0) |
| ret = nvif_notify_get(&drm->flip); |
| if (ret) { |
| nouveau_accel_fini(drm); |
| return; |
| } |
| } |
| |
| if (ret) { |
| NV_ERROR(drm, "failed to allocate software object, %d\n", ret); |
| nouveau_accel_fini(drm); |
| return; |
| } |
| |
| if (device->info.family < NV_DEVICE_INFO_V0_FERMI) { |
| ret = nvkm_gpuobj_new(nvxx_device(&drm->device), 32, 0, false, |
| NULL, &drm->notify); |
| if (ret) { |
| NV_ERROR(drm, "failed to allocate notifier, %d\n", ret); |
| nouveau_accel_fini(drm); |
| return; |
| } |
| |
| ret = nvif_object_init(&drm->channel->user, NvNotify0, |
| NV_DMA_IN_MEMORY, |
| &(struct nv_dma_v0) { |
| .target = NV_DMA_V0_TARGET_VRAM, |
| .access = NV_DMA_V0_ACCESS_RDWR, |
| .start = drm->notify->addr, |
| .limit = drm->notify->addr + 31 |
| }, sizeof(struct nv_dma_v0), |
| &drm->ntfy); |
| if (ret) { |
| nouveau_accel_fini(drm); |
| return; |
| } |
| } |
| |
| |
| nouveau_bo_move_init(drm); |
| } |
| |
| static int nouveau_drm_probe(struct pci_dev *pdev, |
| const struct pci_device_id *pent) |
| { |
| struct nvkm_device *device; |
| struct apertures_struct *aper; |
| bool boot = false; |
| int ret; |
| |
| if (vga_switcheroo_client_probe_defer(pdev)) |
| return -EPROBE_DEFER; |
| |
| /* 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). */ |
| 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 |
| if (nouveau_modeset != 2) |
| drm_fb_helper_remove_conflicting_framebuffers(aper, "nouveaufb", boot); |
| kfree(aper); |
| |
| ret = nvkm_device_pci_new(pdev, nouveau_config, nouveau_debug, |
| true, true, ~0ULL, &device); |
| if (ret) |
| return ret; |
| |
| pci_set_master(pdev); |
| |
| ret = drm_get_pci_dev(pdev, pent, &driver_pci); |
| if (ret) { |
| nvkm_device_del(&device); |
| return ret; |
| } |
| |
| return 0; |
| } |
| |
| #define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403 |
| |
| static void |
| nouveau_get_hdmi_dev(struct nouveau_drm *drm) |
| { |
| struct pci_dev *pdev = drm->dev->pdev; |
| |
| if (!pdev) { |
| NV_DEBUG(drm, "not a PCI device; no HDMI\n"); |
| drm->hdmi_device = NULL; |
| return; |
| } |
| |
| /* 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) { |
| NV_DEBUG(drm, "hdmi device not found %d %d %d\n", pdev->bus->number, PCI_SLOT(pdev->devfn), 1); |
| return; |
| } |
| |
| if ((drm->hdmi_device->class >> 8) != PCI_CLASS_MULTIMEDIA_HD_AUDIO) { |
| NV_DEBUG(drm, "possible hdmi device not audio %d\n", drm->hdmi_device->class); |
| pci_dev_put(drm->hdmi_device); |
| drm->hdmi_device = NULL; |
| return; |
| } |
| } |
| |
| static int |
| nouveau_drm_load(struct drm_device *dev, unsigned long flags) |
| { |
| struct nouveau_drm *drm; |
| int ret; |
| |
| ret = nouveau_cli_create(dev, "DRM", sizeof(*drm), (void **)&drm); |
| if (ret) |
| return ret; |
| |
| dev->dev_private = drm; |
| drm->dev = dev; |
| nvxx_client(&drm->client.base)->debug = |
| nvkm_dbgopt(nouveau_debug, "DRM"); |
| |
| INIT_LIST_HEAD(&drm->clients); |
| spin_lock_init(&drm->tile.lock); |
| |
| nouveau_get_hdmi_dev(drm); |
| |
| ret = nvif_device_init(&drm->client.base.object, 0, NV_DEVICE, |
| &(struct nv_device_v0) { |
| .device = ~0, |
| }, sizeof(struct nv_device_v0), |
| &drm->device); |
| if (ret) |
| goto fail_device; |
| |
| dev->irq_enabled = true; |
| |
| /* 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... |
| */ |
| if (drm->device.info.chipset == 0xc1) |
| nvif_mask(&drm->device.object, 0x00088080, 0x00000800, 0x00000000); |
| |
| nouveau_vga_init(drm); |
| |
| if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { |
| if (!nvxx_device(&drm->device)->mmu) { |
| ret = -ENOSYS; |
| goto fail_device; |
| } |
| |
| ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40), |
| 0x1000, NULL, &drm->client.vm); |
| if (ret) |
| goto fail_device; |
| |
| nvxx_client(&drm->client.base)->vm = drm->client.vm; |
| } |
| |
| ret = nouveau_ttm_init(drm); |
| if (ret) |
| goto fail_ttm; |
| |
| ret = nouveau_bios_init(dev); |
| if (ret) |
| goto fail_bios; |
| |
| ret = nouveau_display_create(dev); |
| if (ret) |
| goto fail_dispctor; |
| |
| if (dev->mode_config.num_crtc) { |
| ret = nouveau_display_init(dev); |
| if (ret) |
| goto fail_dispinit; |
| } |
| |
| nouveau_debugfs_init(drm); |
| nouveau_hwmon_init(dev); |
| nouveau_accel_init(drm); |
| nouveau_fbcon_init(dev); |
| nouveau_led_init(dev); |
| |
| if (nouveau_runtime_pm != 0) { |
| 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); |
| } |
| return 0; |
| |
| fail_dispinit: |
| nouveau_display_destroy(dev); |
| fail_dispctor: |
| nouveau_bios_takedown(dev); |
| fail_bios: |
| nouveau_ttm_fini(drm); |
| fail_ttm: |
| nouveau_vga_fini(drm); |
| fail_device: |
| nvif_device_fini(&drm->device); |
| nouveau_cli_destroy(&drm->client); |
| return ret; |
| } |
| |
| static int |
| nouveau_drm_unload(struct drm_device *dev) |
| { |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| |
| if (nouveau_runtime_pm != 0) { |
| pm_runtime_get_sync(dev->dev); |
| pm_runtime_forbid(dev->dev); |
| } |
| |
| nouveau_led_fini(dev); |
| nouveau_fbcon_fini(dev); |
| nouveau_accel_fini(drm); |
| nouveau_hwmon_fini(dev); |
| nouveau_debugfs_fini(drm); |
| |
| if (dev->mode_config.num_crtc) |
| nouveau_display_fini(dev); |
| nouveau_display_destroy(dev); |
| |
| nouveau_bios_takedown(dev); |
| |
| nouveau_ttm_fini(drm); |
| nouveau_vga_fini(drm); |
| |
| nvif_device_fini(&drm->device); |
| if (drm->hdmi_device) |
| pci_dev_put(drm->hdmi_device); |
| nouveau_cli_destroy(&drm->client); |
| return 0; |
| } |
| |
| void |
| nouveau_drm_device_remove(struct drm_device *dev) |
| { |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct nvkm_client *client; |
| struct nvkm_device *device; |
| |
| dev->irq_enabled = false; |
| client = nvxx_client(&drm->client.base); |
| device = nvkm_device_find(client->device); |
| drm_put_dev(dev); |
| |
| nvkm_device_del(&device); |
| } |
| |
| static void |
| nouveau_drm_remove(struct pci_dev *pdev) |
| { |
| struct drm_device *dev = pci_get_drvdata(pdev); |
| |
| nouveau_drm_device_remove(dev); |
| } |
| |
| static int |
| nouveau_do_suspend(struct drm_device *dev, bool runtime) |
| { |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct nouveau_cli *cli; |
| int ret; |
| |
| nouveau_led_suspend(dev); |
| |
| if (dev->mode_config.num_crtc) { |
| NV_INFO(drm, "suspending console...\n"); |
| nouveau_fbcon_set_suspend(dev, 1); |
| NV_INFO(drm, "suspending display...\n"); |
| ret = nouveau_display_suspend(dev, runtime); |
| if (ret) |
| return ret; |
| } |
| |
| NV_INFO(drm, "evicting buffers...\n"); |
| ttm_bo_evict_mm(&drm->ttm.bdev, TTM_PL_VRAM); |
| |
| NV_INFO(drm, "waiting for kernel channels to go idle...\n"); |
| if (drm->cechan) { |
| ret = nouveau_channel_idle(drm->cechan); |
| if (ret) |
| goto fail_display; |
| } |
| |
| if (drm->channel) { |
| ret = nouveau_channel_idle(drm->channel); |
| if (ret) |
| goto fail_display; |
| } |
| |
| NV_INFO(drm, "suspending client object trees...\n"); |
| if (drm->fence && nouveau_fence(drm)->suspend) { |
| if (!nouveau_fence(drm)->suspend(drm)) { |
| ret = -ENOMEM; |
| goto fail_display; |
| } |
| } |
| |
| list_for_each_entry(cli, &drm->clients, head) { |
| ret = nvif_client_suspend(&cli->base); |
| if (ret) |
| goto fail_client; |
| } |
| |
| NV_INFO(drm, "suspending kernel object tree...\n"); |
| ret = nvif_client_suspend(&drm->client.base); |
| if (ret) |
| goto fail_client; |
| |
| return 0; |
| |
| fail_client: |
| list_for_each_entry_continue_reverse(cli, &drm->clients, head) { |
| nvif_client_resume(&cli->base); |
| } |
| |
| if (drm->fence && nouveau_fence(drm)->resume) |
| nouveau_fence(drm)->resume(drm); |
| |
| fail_display: |
| if (dev->mode_config.num_crtc) { |
| NV_INFO(drm, "resuming display...\n"); |
| nouveau_display_resume(dev, runtime); |
| } |
| return ret; |
| } |
| |
| static int |
| nouveau_do_resume(struct drm_device *dev, bool runtime) |
| { |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct nouveau_cli *cli; |
| |
| NV_INFO(drm, "resuming kernel object tree...\n"); |
| nvif_client_resume(&drm->client.base); |
| |
| NV_INFO(drm, "resuming client object trees...\n"); |
| if (drm->fence && nouveau_fence(drm)->resume) |
| nouveau_fence(drm)->resume(drm); |
| |
| list_for_each_entry(cli, &drm->clients, head) { |
| nvif_client_resume(&cli->base); |
| } |
| |
| nouveau_run_vbios_init(dev); |
| |
| if (dev->mode_config.num_crtc) { |
| NV_INFO(drm, "resuming display...\n"); |
| nouveau_display_resume(dev, runtime); |
| NV_INFO(drm, "resuming console...\n"); |
| nouveau_fbcon_set_suspend(dev, 0); |
| } |
| |
| nouveau_led_resume(dev); |
| |
| return 0; |
| } |
| |
| 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); |
| udelay(200); |
| return 0; |
| } |
| |
| int |
| nouveau_pmops_resume(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; |
| |
| pci_set_power_state(pdev, PCI_D0); |
| pci_restore_state(pdev); |
| ret = pci_enable_device(pdev); |
| if (ret) |
| return ret; |
| pci_set_master(pdev); |
| |
| return nouveau_do_resume(drm_dev, false); |
| } |
| |
| static int |
| nouveau_pmops_freeze(struct device *dev) |
| { |
| struct pci_dev *pdev = to_pci_dev(dev); |
| struct drm_device *drm_dev = pci_get_drvdata(pdev); |
| return nouveau_do_suspend(drm_dev, false); |
| } |
| |
| static int |
| nouveau_pmops_thaw(struct device *dev) |
| { |
| struct pci_dev *pdev = to_pci_dev(dev); |
| struct drm_device *drm_dev = pci_get_drvdata(pdev); |
| return nouveau_do_resume(drm_dev, false); |
| } |
| |
| 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; |
| |
| if (nouveau_runtime_pm == 0) { |
| pm_runtime_forbid(dev); |
| return -EBUSY; |
| } |
| |
| /* are we optimus enabled? */ |
| if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { |
| DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); |
| 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); |
| pci_ignore_hotplug(pdev); |
| 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); |
| struct nvif_device *device = &nouveau_drm(drm_dev)->device; |
| int ret; |
| |
| if (nouveau_runtime_pm == 0) |
| return -EINVAL; |
| |
| 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); |
| drm_kms_helper_poll_enable(drm_dev); |
| /* do magic */ |
| nvif_mask(&device->object, 0x088488, (1 << 25), (1 << 25)); |
| vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON); |
| drm_dev->switch_power_state = DRM_SWITCH_POWER_ON; |
| 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; |
| |
| if (nouveau_runtime_pm == 0) { |
| pm_runtime_forbid(dev); |
| return -EBUSY; |
| } |
| |
| /* are we optimus enabled? */ |
| if (nouveau_runtime_pm == -1 && !nouveau_is_optimus() && !nouveau_is_v1_dsm()) { |
| DRM_DEBUG_DRIVER("failing to power off - not optimus\n"); |
| 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; |
| } |
| |
| static int |
| nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv) |
| { |
| struct nouveau_drm *drm = nouveau_drm(dev); |
| struct nouveau_cli *cli; |
| char name[32], tmpname[TASK_COMM_LEN]; |
| int ret; |
| |
| /* need to bring up power immediately if opening device */ |
| ret = pm_runtime_get_sync(dev->dev); |
| if (ret < 0 && ret != -EACCES) |
| return ret; |
| |
| get_task_comm(tmpname, current); |
| snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid)); |
| |
| ret = nouveau_cli_create(dev, name, sizeof(*cli), (void **)&cli); |
| |
| if (ret) |
| goto out_suspend; |
| |
| cli->base.super = false; |
| |
| if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) { |
| ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40), |
| 0x1000, NULL, &cli->vm); |
| if (ret) { |
| nouveau_cli_destroy(cli); |
| goto out_suspend; |
| } |
| |
| nvxx_client(&cli->base)->vm = cli->vm; |
| } |
| |
| fpriv->driver_priv = cli; |
| |
| mutex_lock(&drm->client.mutex); |
| list_add(&cli->head, &drm->clients); |
| mutex_unlock(&drm->client.mutex); |
| |
| out_suspend: |
| pm_runtime_mark_last_busy(dev->dev); |
| pm_runtime_put_autosuspend(dev->dev); |
| |
| return ret; |
| } |
| |
| static void |
| 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); |
| |
| pm_runtime_get_sync(dev->dev); |
| |
| mutex_lock(&cli->mutex); |
| if (cli->abi16) |
| nouveau_abi16_fini(cli->abi16); |
| mutex_unlock(&cli->mutex); |
| |
| mutex_lock(&drm->client.mutex); |
| list_del(&cli->head); |
| mutex_unlock(&drm->client.mutex); |
| |
| } |
| |
| static void |
| nouveau_drm_postclose(struct drm_device *dev, struct drm_file *fpriv) |
| { |
| struct nouveau_cli *cli = nouveau_cli(fpriv); |
| nouveau_cli_destroy(cli); |
| pm_runtime_mark_last_busy(dev->dev); |
| pm_runtime_put_autosuspend(dev->dev); |
| } |
| |
| static const struct drm_ioctl_desc |
| nouveau_ioctls[] = { |
| 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), |
| }; |
| |
| long |
| nouveau_drm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) |
| { |
| struct drm_file *filp = file->private_data; |
| struct drm_device *dev = filp->minor->dev; |
| long ret; |
| |
| ret = pm_runtime_get_sync(dev->dev); |
| if (ret < 0 && ret != -EACCES) |
| return ret; |
| |
| 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; |
| } |
| |
| pm_runtime_mark_last_busy(dev->dev); |
| pm_runtime_put_autosuspend(dev->dev); |
| return ret; |
| } |
| |
| static const struct file_operations |
| nouveau_driver_fops = { |
| .owner = THIS_MODULE, |
| .open = drm_open, |
| .release = drm_release, |
| .unlocked_ioctl = nouveau_drm_ioctl, |
| .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 |
| driver_stub = { |
| .driver_features = |
| DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER | |
| DRIVER_KMS_LEGACY_CONTEXT, |
| |
| .load = nouveau_drm_load, |
| .unload = nouveau_drm_unload, |
| .open = nouveau_drm_open, |
| .preclose = nouveau_drm_preclose, |
| .postclose = nouveau_drm_postclose, |
| .lastclose = nouveau_vga_lastclose, |
| |
| #if defined(CONFIG_DEBUG_FS) |
| .debugfs_init = nouveau_drm_debugfs_init, |
| .debugfs_cleanup = nouveau_drm_debugfs_cleanup, |
| #endif |
| |
| .get_vblank_counter = drm_vblank_no_hw_counter, |
| .enable_vblank = nouveau_display_vblank_enable, |
| .disable_vblank = nouveau_display_vblank_disable, |
| .get_scanout_position = nouveau_display_scanoutpos, |
| .get_vblank_timestamp = nouveau_display_vblstamp, |
| |
| .ioctls = nouveau_ioctls, |
| .num_ioctls = ARRAY_SIZE(nouveau_ioctls), |
| .fops = &nouveau_driver_fops, |
| |
| .prime_handle_to_fd = drm_gem_prime_handle_to_fd, |
| .prime_fd_to_handle = drm_gem_prime_fd_to_handle, |
| .gem_prime_export = drm_gem_prime_export, |
| .gem_prime_import = drm_gem_prime_import, |
| .gem_prime_pin = nouveau_gem_prime_pin, |
| .gem_prime_res_obj = nouveau_gem_prime_res_obj, |
| .gem_prime_unpin = nouveau_gem_prime_unpin, |
| .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, |
| |
| .gem_free_object_unlocked = nouveau_gem_object_del, |
| .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, |
| .dumb_destroy = drm_gem_dumb_destroy, |
| |
| .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, |
| }; |
| |
| 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, |
| }, |
| {} |
| }; |
| |
| 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); |
| DRM_DEBUG_DRIVER("... hdmimhz : %d\n", nouveau_hdmimhz); |
| } |
| |
| 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, |
| .runtime_suspend = nouveau_pmops_runtime_suspend, |
| .runtime_resume = nouveau_pmops_runtime_resume, |
| .runtime_idle = nouveau_pmops_runtime_idle, |
| }; |
| |
| static struct pci_driver |
| nouveau_drm_pci_driver = { |
| .name = "nouveau", |
| .id_table = nouveau_drm_pci_table, |
| .probe = nouveau_drm_probe, |
| .remove = nouveau_drm_remove, |
| .driver.pm = &nouveau_pm_ops, |
| }; |
| |
| struct drm_device * |
| nouveau_platform_device_create(const struct nvkm_device_tegra_func *func, |
| struct platform_device *pdev, |
| struct nvkm_device **pdevice) |
| { |
| struct drm_device *drm; |
| int err; |
| |
| err = nvkm_device_tegra_new(func, pdev, nouveau_config, nouveau_debug, |
| true, true, ~0ULL, pdevice); |
| if (err) |
| goto err_free; |
| |
| drm = drm_dev_alloc(&driver_platform, &pdev->dev); |
| if (IS_ERR(drm)) { |
| err = PTR_ERR(drm); |
| goto err_free; |
| } |
| |
| drm->platformdev = pdev; |
| platform_set_drvdata(pdev, drm); |
| |
| return drm; |
| |
| err_free: |
| nvkm_device_del(pdevice); |
| |
| return ERR_PTR(err); |
| } |
| |
| static int __init |
| nouveau_drm_init(void) |
| { |
| driver_pci = driver_stub; |
| driver_pci.set_busid = drm_pci_set_busid; |
| driver_platform = driver_stub; |
| |
| nouveau_display_options(); |
| |
| if (nouveau_modeset == -1) { |
| if (vgacon_text_force()) |
| nouveau_modeset = 0; |
| } |
| |
| if (!nouveau_modeset) |
| return 0; |
| |
| #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER |
| platform_driver_register(&nouveau_platform_driver); |
| #endif |
| |
| nouveau_register_dsm_handler(); |
| return drm_pci_init(&driver_pci, &nouveau_drm_pci_driver); |
| } |
| |
| static void __exit |
| nouveau_drm_exit(void) |
| { |
| if (!nouveau_modeset) |
| return; |
| |
| drm_pci_exit(&driver_pci, &nouveau_drm_pci_driver); |
| nouveau_unregister_dsm_handler(); |
| |
| #ifdef CONFIG_NOUVEAU_PLATFORM_DRIVER |
| platform_driver_unregister(&nouveau_platform_driver); |
| #endif |
| } |
| |
| module_init(nouveau_drm_init); |
| module_exit(nouveau_drm_exit); |
| |
| MODULE_DEVICE_TABLE(pci, nouveau_drm_pci_table); |
| MODULE_AUTHOR(DRIVER_AUTHOR); |
| MODULE_DESCRIPTION(DRIVER_DESC); |
| MODULE_LICENSE("GPL and additional rights"); |