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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.c250
1 files changed, 226 insertions, 24 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_drm.c b/drivers/gpu/drm/nouveau/nouveau_drm.c
index b29d04b822ae..62c6118e94c0 100644
--- a/drivers/gpu/drm/nouveau/nouveau_drm.c
+++ b/drivers/gpu/drm/nouveau/nouveau_drm.c
@@ -25,7 +25,10 @@
#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>
@@ -69,6 +72,10 @@ MODULE_PARM_DESC(modeset, "enable driver (default: auto, "
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 int
@@ -296,6 +303,31 @@ static int nouveau_drm_probe(struct pci_dev *pdev,
return 0;
}
+#define PCI_CLASS_MULTIMEDIA_HD_AUDIO 0x0403
+
+static void
+nouveau_get_hdmi_dev(struct drm_device *dev)
+{
+ struct nouveau_drm *drm = dev->dev_private;
+ struct pci_dev *pdev = dev->pdev;
+
+ /* 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) {
+ DRM_INFO("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) {
+ DRM_INFO("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)
{
@@ -314,6 +346,8 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
INIT_LIST_HEAD(&drm->clients);
spin_lock_init(&drm->tile.lock);
+ nouveau_get_hdmi_dev(dev);
+
/* make sure AGP controller is in a consistent state before we
* (possibly) execute vbios init tables (see nouveau_agp.h)
*/
@@ -388,6 +422,15 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags)
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:
@@ -409,6 +452,7 @@ 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);
@@ -424,6 +468,8 @@ nouveau_drm_unload(struct drm_device *dev)
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;
}
@@ -450,19 +496,16 @@ nouveau_do_suspend(struct drm_device *dev)
int ret;
if (dev->mode_config.num_crtc) {
- NV_INFO(drm, "suspending fbcon...\n");
- nouveau_fbcon_set_suspend(dev, 1);
-
- NV_INFO(drm, "suspending display...\n");
+ NV_SUSPEND(drm, "suspending display...\n");
ret = nouveau_display_suspend(dev);
if (ret)
return ret;
}
- NV_INFO(drm, "evicting buffers...\n");
+ NV_SUSPEND(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");
+ NV_SUSPEND(drm, "waiting for kernel channels to go idle...\n");
if (drm->cechan) {
ret = nouveau_channel_idle(drm->cechan);
if (ret)
@@ -475,7 +518,7 @@ nouveau_do_suspend(struct drm_device *dev)
return ret;
}
- NV_INFO(drm, "suspending client object trees...\n");
+ NV_SUSPEND(drm, "suspending client object trees...\n");
if (drm->fence && nouveau_fence(drm)->suspend) {
if (!nouveau_fence(drm)->suspend(drm))
return -ENOMEM;
@@ -487,7 +530,7 @@ nouveau_do_suspend(struct drm_device *dev)
goto fail_client;
}
- NV_INFO(drm, "suspending kernel object tree...\n");
+ NV_SUSPEND(drm, "suspending kernel object tree...\n");
ret = nouveau_client_fini(&drm->client.base, true);
if (ret)
goto fail_client;
@@ -501,7 +544,7 @@ fail_client:
}
if (dev->mode_config.num_crtc) {
- NV_INFO(drm, "resuming display...\n");
+ NV_SUSPEND(drm, "resuming display...\n");
nouveau_display_resume(dev);
}
return ret;
@@ -513,9 +556,14 @@ int nouveau_pmops_suspend(struct device *dev)
struct drm_device *drm_dev = pci_get_drvdata(pdev);
int ret;
- if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+ 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);
+
+ nv_suspend_set_printk_level(NV_DBG_INFO);
ret = nouveau_do_suspend(drm_dev);
if (ret)
return ret;
@@ -523,6 +571,7 @@ int nouveau_pmops_suspend(struct device *dev)
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
+ nv_suspend_set_printk_level(NV_DBG_DEBUG);
return 0;
}
@@ -533,15 +582,15 @@ 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");
+ NV_SUSPEND(drm, "re-enabling device...\n");
nouveau_agp_reset(drm);
- NV_INFO(drm, "resuming kernel object tree...\n");
+ NV_SUSPEND(drm, "resuming kernel object tree...\n");
nouveau_client_init(&drm->client.base);
nouveau_agp_init(drm);
- NV_INFO(drm, "resuming client object trees...\n");
+ NV_SUSPEND(drm, "resuming client object trees...\n");
if (drm->fence && nouveau_fence(drm)->resume)
nouveau_fence(drm)->resume(drm);
@@ -553,9 +602,10 @@ nouveau_do_resume(struct drm_device *dev)
nouveau_pm_resume(dev);
if (dev->mode_config.num_crtc) {
- NV_INFO(drm, "resuming display...\n");
- nouveau_display_resume(dev);
+ NV_SUSPEND(drm, "resuming display...\n");
+ nouveau_display_repin(dev);
}
+
return 0;
}
@@ -565,7 +615,8 @@ int nouveau_pmops_resume(struct device *dev)
struct drm_device *drm_dev = pci_get_drvdata(pdev);
int ret;
- if (drm_dev->switch_power_state == DRM_SWITCH_POWER_OFF)
+ 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);
@@ -575,23 +626,54 @@ int nouveau_pmops_resume(struct device *dev)
return ret;
pci_set_master(pdev);
- return nouveau_do_resume(drm_dev);
+ nv_suspend_set_printk_level(NV_DBG_INFO);
+ ret = nouveau_do_resume(drm_dev);
+ if (ret) {
+ nv_suspend_set_printk_level(NV_DBG_DEBUG);
+ return ret;
+ }
+ if (drm_dev->mode_config.num_crtc)
+ nouveau_fbcon_set_suspend(drm_dev, 0);
+
+ nouveau_fbcon_zfill_all(drm_dev);
+ nouveau_display_resume(drm_dev);
+ nv_suspend_set_printk_level(NV_DBG_DEBUG);
+ 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;
+
+ nv_suspend_set_printk_level(NV_DBG_INFO);
+ if (drm_dev->mode_config.num_crtc)
+ nouveau_fbcon_set_suspend(drm_dev, 1);
- return nouveau_do_suspend(drm_dev);
+ ret = nouveau_do_suspend(drm_dev);
+ nv_suspend_set_printk_level(NV_DBG_DEBUG);
+ 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;
- return nouveau_do_resume(drm_dev);
+ nv_suspend_set_printk_level(NV_DBG_INFO);
+ ret = nouveau_do_resume(drm_dev);
+ if (ret) {
+ nv_suspend_set_printk_level(NV_DBG_DEBUG);
+ return ret;
+ }
+ if (drm_dev->mode_config.num_crtc)
+ nouveau_fbcon_set_suspend(drm_dev, 0);
+ nouveau_fbcon_zfill_all(drm_dev);
+ nouveau_display_resume(drm_dev);
+ nv_suspend_set_printk_level(NV_DBG_DEBUG);
+ return 0;
}
@@ -604,19 +686,24 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
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)
+ return ret;
+
get_task_comm(tmpname, current);
snprintf(name, sizeof(name), "%s[%d]", tmpname, pid_nr(fpriv->pid));
ret = nouveau_cli_create(pdev, name, sizeof(*cli), (void **)&cli);
if (ret)
- return 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);
- return ret;
+ goto out_suspend;
}
}
@@ -625,7 +712,12 @@ nouveau_drm_open(struct drm_device *dev, struct drm_file *fpriv)
mutex_lock(&drm->client.mutex);
list_add(&cli->head, &drm->clients);
mutex_unlock(&drm->client.mutex);
- return 0;
+
+out_suspend:
+ pm_runtime_mark_last_busy(dev->dev);
+ pm_runtime_put_autosuspend(dev->dev);
+
+ return ret;
}
static void
@@ -634,12 +726,15 @@ 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
@@ -647,6 +742,8 @@ 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
@@ -665,12 +762,30 @@ nouveau_ioctls[] = {
DRM_IOCTL_DEF_DRV(NOUVEAU_GEM_INFO, nouveau_gem_ioctl_info, DRM_UNLOCKED|DRM_AUTH),
};
+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)
+ 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 = drm_ioctl,
+ .unlocked_ioctl = nouveau_drm_ioctl,
.mmap = nouveau_ttm_mmap,
.poll = drm_poll,
.read = drm_read,
@@ -753,6 +868,90 @@ nouveau_drm_pci_table[] = {
{}
};
+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)
+ return -EINVAL;
+
+ 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);
+ 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);
+ nouveau_display_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;
+ 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)
+ 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");
+ 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,
@@ -760,6 +959,9 @@ static const struct dev_pm_ops nouveau_pm_ops = {
.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
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-02 18:07:08 +0000