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linux-sg2042/drivers/gpu/drm/nouveau/nouveau_drm.c

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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
*/
#include <linux/console.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/device.h>
#include <core/gpuobj.h>
#include <core/option.h>
#include "nouveau_drm.h"
#include "nouveau_dma.h"
#include "nouveau_ttm.h"
#include "nouveau_gem.h"
#include "nouveau_agp.h"
#include "nouveau_vga.h"
#include "nouveau_sysfs.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(u64 name, const char *sname,
int size, void **pcli)
{
struct nouveau_cli *cli = *pcli = kzalloc(size, GFP_KERNEL);
if (cli) {
int ret = nvif_client_init(NULL, NULL, sname, name,
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);
}
static void
nouveau_accel_fini(struct nouveau_drm *drm)
{
nouveau_channel_del(&drm->channel);
nvif_object_fini(&drm->ntfy);
nvkm_gpuobj_ref(NULL, &drm->notify);
nvif_object_fini(&drm->nvsw);
nouveau_channel_del(&drm->cechan);
nvif_object_fini(&drm->ttm.copy);
if (drm->fence)
nouveau_fence(drm)->dtor(drm);
}
static void
nouveau_accel_init(struct nouveau_drm *drm)
{
struct nvif_device *device = &drm->device;
u32 arg0, arg1;
u32 sclass[16];
int ret, i;
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 = nvif_object_sclass(&device->base, sclass, ARRAY_SIZE(sclass));
if (ret < 0)
return;
for (ret = -ENOSYS, i = 0; ret && i < ARRAY_SIZE(sclass); i++) {
switch (sclass[i]) {
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 MAXWELL_CHANNEL_GPFIFO_A:
ret = nvc0_fence_create(drm);
break;
default:
break;
}
}
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, NVDRM_CHAN + 1,
KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE0|
KEPLER_CHANNEL_GPFIFO_A_V0_ENGINE_CE1,
0, &drm->cechan);
if (ret)
NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
arg0 = KEPLER_CHANNEL_GPFIFO_A_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, NVDRM_CHAN + 1,
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, NVDRM_CHAN, 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->object, NULL, NVDRM_NVSW,
nouveau_abi16_swclass(drm), NULL, 0, &drm->nvsw);
if (ret == 0) {
struct nvkm_sw_chan *swch;
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);
}
}
swch = (void *)nvxx_object(&drm->nvsw)->parent;
swch->flip = nouveau_flip_complete;
swch->flip_data = drm->channel;
}
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_object(&drm->device), NULL, 32,
0, 0, &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->object, NULL, 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;
/* 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)
remove_conflicting_framebuffers(aper, "nouveaufb", boot);
kfree(aper);
ret = nvkm_device_create(pdev, NVKM_BUS_PCI,
nouveau_pci_name(pdev), pci_name(pdev),
nouveau_config, nouveau_debug, &device);
if (ret)
return ret;
pci_set_master(pdev);
ret = drm_get_pci_dev(pdev, pent, &driver_pci);
if (ret) {
nvkm_object_ref(NULL, (struct nvkm_object **)&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) {
DRM_INFO("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 pci_dev *pdev = dev->pdev;
struct nouveau_drm *drm;
int ret;
ret = nouveau_cli_create(nouveau_name(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);
/* make sure AGP controller is in a consistent state before we
* (possibly) execute vbios init tables (see nouveau_agp.h)
*/
if (pdev && drm_pci_device_is_agp(dev) && dev->agp) {
const u64 enables = NV_DEVICE_V0_DISABLE_IDENTIFY |
NV_DEVICE_V0_DISABLE_MMIO;
/* dummy device object, doesn't init anything, but allows
* agp code access to registers
*/
ret = nvif_device_init(&drm->client.base.base, NULL,
NVDRM_DEVICE, NV_DEVICE,
&(struct nv_device_v0) {
.device = ~0,
.disable = ~enables,
.debug0 = ~0,
}, sizeof(struct nv_device_v0),
&drm->device);
if (ret)
goto fail_device;
nouveau_agp_reset(drm);
nvif_device_fini(&drm->device);
}
ret = nvif_device_init(&drm->client.base.base, NULL, NVDRM_DEVICE,
NV_DEVICE,
&(struct nv_device_v0) {
.device = ~0,
.disable = 0,
.debug0 = 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, 0x00088080, 0x00000800, 0x00000000);
nouveau_vga_init(drm);
nouveau_agp_init(drm);
if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {
ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),
0x1000, &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_sysfs_init(dev);
nouveau_hwmon_init(dev);
nouveau_accel_init(drm);
nouveau_fbcon_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_agp_fini(drm);
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);
pm_runtime_get_sync(dev->dev);
nouveau_fbcon_fini(dev);
nouveau_accel_fini(drm);
nouveau_hwmon_fini(dev);
nouveau_sysfs_fini(dev);
if (dev->mode_config.num_crtc)
nouveau_display_fini(dev);
nouveau_display_destroy(dev);
nouveau_bios_takedown(dev);
nouveau_ttm_fini(drm);
nouveau_agp_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_object *device;
dev->irq_enabled = false;
client = nvxx_client(&drm->client.base);
device = client->device;
drm_put_dev(dev);
nvkm_object_ref(NULL, &device);
nvkm_object_debug();
}
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;
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;
nouveau_agp_fini(drm);
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, "re-enabling device...\n");
nouveau_agp_reset(drm);
NV_INFO(drm, "resuming kernel object tree...\n");
nvif_client_resume(&drm->client.base);
nouveau_agp_init(drm);
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);
}
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);
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;
}
nv_debug_level(SILENT);
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, 0x88488, (1 << 25), (1 << 25));
vga_switcheroo_set_dynamic_switch(pdev, VGA_SWITCHEROO_ON);
drm_dev->switch_power_state = DRM_SWITCH_POWER_ON;
nv_debug_level(NORMAL);
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(nouveau_name(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, &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);
if (cli->abi16)
nouveau_abi16_fini(cli->abi16);
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_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_SETPARAM, nouveau_abi16_ioctl_setparam, DRM_UNLOCKED|DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_ALLOC, nouveau_abi16_ioctl_channel_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_CHANNEL_FREE, nouveau_abi16_ioctl_channel_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_GROBJ_ALLOC, nouveau_abi16_ioctl_grobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_NOTIFIEROBJ_ALLOC, nouveau_abi16_ioctl_notifierobj_alloc, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_GPUOBJ_FREE, nouveau_abi16_ioctl_gpuobj_free, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_NEW, nouveau_gem_ioctl_new, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_PUSHBUF, nouveau_gem_ioctl_pushbuf, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_PREP, nouveau_gem_ioctl_cpu_prep, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_CPU_FINI, nouveau_gem_ioctl_cpu_fini, DRM_UNLOCKED|DRM_AUTH|DRM_RENDER_ALLOW),
DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|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_USE_AGP |
DRIVER_GEM | DRIVER_MODESET | DRIVER_PRIME | DRIVER_RENDER,
.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_debugfs_init,
.debugfs_cleanup = nouveau_debugfs_takedown,
#endif
.get_vblank_counter = drm_vblank_count,
.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 = 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("... pstate : %d\n", nouveau_pstate);
}
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_(struct platform_device *pdev, int size,
void **pobject)
{
struct drm_device *drm;
int err;
err = nvkm_device_create_(pdev, NVKM_BUS_PLATFORM,
nouveau_platform_name(pdev),
dev_name(&pdev->dev), nouveau_config,
nouveau_debug, size, pobject);
if (err)
return ERR_PTR(err);
drm = drm_dev_alloc(&driver_platform, &pdev->dev);
if (!drm) {
err = -ENOMEM;
goto err_free;
}
err = drm_dev_set_unique(drm, "%s", dev_name(&pdev->dev));
if (err < 0)
goto err_free;
drm->platformdev = pdev;
platform_set_drvdata(pdev, drm);
return drm;
err_free:
nvkm_object_ref(NULL, (struct nvkm_object **)pobject);
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;
driver_platform.set_busid = drm_platform_set_busid;
nouveau_display_options();
if (nouveau_modeset == -1) {
#ifdef CONFIG_VGA_CONSOLE
if (vgacon_text_force())
nouveau_modeset = 0;
#endif
}
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");
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