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path: root/drivers/gpu/drm/nouveau/nouveau_drm.c
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Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_drm.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_drm.c1059
1 files changed, 1059 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
new file mode 100644
index 00000000000..5425ffe3931
--- /dev/null
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -0,0 +1,1059 @@
+/*
+ * 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/client.h>
+#include <core/gpuobj.h>
+#include <core/class.h>
+#include <core/option.h>
+
+#include <engine/device.h>
+#include <engine/disp.h>
+#include <engine/fifo.h>
+#include <engine/software.h>
+
+#include <subdev/vm.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"
+
+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;
+
+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;
+ int ret;
+
+ *pcli = NULL;
+ ret = nouveau_client_create_(sname, name, nouveau_config,
+ nouveau_debug, size, pcli);
+ cli = *pcli;
+ if (ret) {
+ if (cli)
+ nouveau_client_destroy(&cli->base);
+ *pcli = NULL;
+ return ret;
+ }
+
+ mutex_init(&cli->mutex);
+ return 0;
+}
+
+static void
+nouveau_cli_destroy(struct nouveau_cli *cli)
+{
+ struct nouveau_object *client = nv_object(cli);
+ nouveau_vm_ref(NULL, &cli->base.vm, NULL);
+ nouveau_client_fini(&cli->base, false);
+ atomic_set(&client->refcount, 1);
+ nouveau_object_ref(NULL, &client);
+}
+
+static void
+nouveau_accel_fini(struct nouveau_drm *drm)
+{
+ nouveau_gpuobj_ref(NULL, &drm->notify);
+ nouveau_channel_del(&drm->channel);
+ nouveau_channel_del(&drm->cechan);
+ if (drm->fence)
+ nouveau_fence(drm)->dtor(drm);
+}
+
+static void
+nouveau_accel_init(struct nouveau_drm *drm)
+{
+ struct nouveau_device *device = nv_device(drm->device);
+ struct nouveau_object *object;
+ u32 arg0, arg1;
+ int ret;
+
+ if (nouveau_noaccel || !nouveau_fifo(device) /*XXX*/)
+ return;
+
+ /* initialise synchronisation routines */
+ if (device->card_type < NV_10) ret = nv04_fence_create(drm);
+ else if (device->card_type < NV_11 ||
+ device->chipset < 0x17) ret = nv10_fence_create(drm);
+ else if (device->card_type < NV_50) ret = nv17_fence_create(drm);
+ else if (device->chipset < 0x84) ret = nv50_fence_create(drm);
+ else if (device->card_type < NV_C0) ret = nv84_fence_create(drm);
+ else ret = nvc0_fence_create(drm);
+ if (ret) {
+ NV_ERROR(drm, "failed to initialise sync subsystem, %d\n", ret);
+ nouveau_accel_fini(drm);
+ return;
+ }
+
+ if (device->card_type >= NV_E0) {
+ ret = nouveau_channel_new(drm, &drm->client, NVDRM_DEVICE,
+ NVDRM_CHAN + 1,
+ NVE0_CHANNEL_IND_ENGINE_CE0 |
+ NVE0_CHANNEL_IND_ENGINE_CE1, 0,
+ &drm->cechan);
+ if (ret)
+ NV_ERROR(drm, "failed to create ce channel, %d\n", ret);
+
+ arg0 = NVE0_CHANNEL_IND_ENGINE_GR;
+ arg1 = 1;
+ } else
+ if (device->chipset >= 0xa3 &&
+ device->chipset != 0xaa &&
+ device->chipset != 0xac) {
+ ret = nouveau_channel_new(drm, &drm->client, NVDRM_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->client, NVDRM_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 = nouveau_object_new(nv_object(drm), NVDRM_CHAN, NVDRM_NVSW,
+ nouveau_abi16_swclass(drm), NULL, 0, &object);
+ if (ret == 0) {
+ struct nouveau_software_chan *swch = (void *)object->parent;
+ ret = RING_SPACE(drm->channel, 2);
+ if (ret == 0) {
+ if (device->card_type < NV_C0) {
+ BEGIN_NV04(drm->channel, NvSubSw, 0, 1);
+ OUT_RING (drm->channel, NVDRM_NVSW);
+ } else
+ if (device->card_type < NV_E0) {
+ BEGIN_NVC0(drm->channel, FermiSw, 0, 1);
+ OUT_RING (drm->channel, 0x001f0000);
+ }
+ }
+ swch = (void *)object->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->card_type < NV_C0) {
+ ret = nouveau_gpuobj_new(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 = nouveau_object_new(nv_object(drm),
+ drm->channel->handle, NvNotify0,
+ 0x003d, &(struct nv_dma_class) {
+ .flags = NV_DMA_TARGET_VRAM |
+ NV_DMA_ACCESS_RDWR,
+ .start = drm->notify->addr,
+ .limit = drm->notify->addr + 31
+ }, sizeof(struct nv_dma_class),
+ &object);
+ 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 nouveau_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
+ remove_conflicting_framebuffers(aper, "nouveaufb", boot);
+ kfree(aper);
+
+ ret = nouveau_device_create(pdev, NOUVEAU_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);
+ if (ret) {
+ nouveau_object_ref(NULL, (struct nouveau_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_device *device;
+ 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;
+ nouveau_client(drm)->debug = nouveau_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) {
+ /* dummy device object, doesn't init anything, but allows
+ * agp code access to registers
+ */
+ ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT,
+ NVDRM_DEVICE, 0x0080,
+ &(struct nv_device_class) {
+ .device = ~0,
+ .disable =
+ ~(NV_DEVICE_DISABLE_MMIO |
+ NV_DEVICE_DISABLE_IDENTIFY),
+ .debug0 = ~0,
+ }, sizeof(struct nv_device_class),
+ &drm->device);
+ if (ret)
+ goto fail_device;
+
+ nouveau_agp_reset(drm);
+ nouveau_object_del(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE);
+ }
+
+ ret = nouveau_object_new(nv_object(drm), NVDRM_CLIENT, NVDRM_DEVICE,
+ 0x0080, &(struct nv_device_class) {
+ .device = ~0,
+ .disable = 0,
+ .debug0 = 0,
+ }, sizeof(struct nv_device_class),
+ &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...
+ */
+ device = nv_device(drm->device);
+ if (nv_device(drm->device)->chipset == 0xc1)
+ nv_mask(device, 0x00088080, 0x00000800, 0x00000000);
+
+ nouveau_vga_init(drm);
+ nouveau_agp_init(drm);
+
+ if (device->card_type >= NV_50) {
+ ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
+ 0x1000, &drm->client.base.vm);
+ if (ret)
+ goto fail_device;
+ }
+
+ 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:
+ 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);
+
+ if (drm->hdmi_device)
+ pci_dev_put(drm->hdmi_device);
+ nouveau_cli_destroy(&drm->client);
+ return 0;
+}
+
+static void
+nouveau_drm_remove(struct pci_dev *pdev)
+{
+ struct drm_device *dev = pci_get_drvdata(pdev);
+ struct nouveau_drm *drm = nouveau_drm(dev);
+ struct nouveau_object *device;
+
+ dev->irq_enabled = false;
+ device = drm->client.base.device;
+ drm_put_dev(dev);
+
+ nouveau_object_ref(NULL, &device);
+ nouveau_object_debug();
+}
+
+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 && !runtime) {
+ NV_INFO(drm, "suspending display...\n");
+ ret = nouveau_display_suspend(dev);
+ 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 = nouveau_client_fini(&cli->base, true);
+ if (ret)
+ goto fail_client;
+ }
+
+ NV_INFO(drm, "suspending kernel object tree...\n");
+ ret = nouveau_client_fini(&drm->client.base, true);
+ if (ret)
+ goto fail_client;
+
+ nouveau_agp_fini(drm);
+ return 0;
+
+fail_client:
+ list_for_each_entry_continue_reverse(cli, &drm->clients, head) {
+ nouveau_client_init(&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);
+ }
+ return ret;
+}
+
+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;
+
+ if (drm_dev->mode_config.num_crtc)
+ nouveau_fbcon_set_suspend(drm_dev, 1);
+
+ 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;
+}
+
+static int
+nouveau_do_resume(struct drm_device *dev)
+{
+ 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");
+ nouveau_client_init(&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) {
+ nouveau_client_init(&cli->base);
+ }
+
+ nouveau_run_vbios_init(dev);
+
+ if (dev->mode_config.num_crtc) {
+ NV_INFO(drm, "resuming display...\n");
+ nouveau_display_repin(dev);
+ }
+
+ 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);
+
+ ret = nouveau_do_resume(drm_dev);
+ if (ret)
+ return ret;
+
+ if (drm_dev->mode_config.num_crtc) {
+ nouveau_display_resume(drm_dev);
+ nouveau_fbcon_set_suspend(drm_dev, 0);
+ }
+
+ return 0;
+}
+
+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);
+ int ret;
+
+ if (drm_dev->mode_config.num_crtc)
+ nouveau_fbcon_set_suspend(drm_dev, 1);
+
+ ret = nouveau_do_suspend(drm_dev, false);
+ return ret;
+}
+
+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);
+ int ret;
+
+ ret = nouveau_do_resume(drm_dev);
+ if (ret)
+ return ret;
+
+ if (drm_dev->mode_config.num_crtc) {
+ nouveau_display_resume(drm_dev);
+ nouveau_fbcon_set_suspend(drm_dev, 0);
+ }
+
+ return 0;
+}
+
+
+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;
+
+ if (nv_device(drm->device)->card_type >= NV_50) {
+ ret = nouveau_vm_new(nv_device(drm->device), 0, (1ULL << 40),
+ 0x1000, &cli->base.vm);
+ if (ret) {
+ nouveau_cli_destroy(cli);
+ goto out_suspend;
+ }
+ }
+
+ 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 *filp,
+ unsigned int cmd, unsigned long arg)
+{
+ struct drm_file *file_priv = filp->private_data;
+ struct drm_device *dev;
+ long ret;
+ dev = file_priv->minor->dev;
+
+ ret = pm_runtime_get_sync(dev->dev);
+ if (ret < 0 && ret != -EACCES)
+ return ret;
+
+ ret = drm_ioctl(filp, cmd, arg);
+
+ 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 = {
+ .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_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 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_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 nouveau_device *device = nouveau_dev(drm_dev);
+ 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);
+ drm_kms_helper_poll_enable(drm_dev);
+ /* do magic */
+ nv_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 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,
+};
+
+int nouveau_drm_platform_probe(struct platform_device *pdev)
+{
+ struct nouveau_device *device;
+ int ret;
+
+ ret = nouveau_device_create(pdev, NOUVEAU_BUS_PLATFORM,
+ nouveau_platform_name(pdev),
+ dev_name(&pdev->dev), nouveau_config,
+ nouveau_debug, &device);
+
+ ret = drm_platform_init(&driver, pdev);
+ if (ret) {
+ nouveau_object_ref(NULL, (struct nouveau_object **)&device);
+ return ret;
+ }
+
+ return ret;
+}
+
+static int __init
+nouveau_drm_init(void)
+{
+ if (nouveau_modeset == -1) {
+#ifdef CONFIG_VGA_CONSOLE
+ if (vgacon_text_force())
+ nouveau_modeset = 0;
+#endif
+ }
+
+ if (!nouveau_modeset)
+ return 0;
+
+ nouveau_register_dsm_handler();
+ return drm_pci_init(&driver, &nouveau_drm_pci_driver);
+}
+
+static void __exit
+nouveau_drm_exit(void)
+{
+ if (!nouveau_modeset)
+ return;
+
+ drm_pci_exit(&driver, &nouveau_drm_pci_driver);
+ nouveau_unregister_dsm_handler();
+}
+
+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");
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-09 21:06:02 +0000