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yaml
---
r: 179848
b: refs/heads/master
c: d9f36a0
h: refs/heads/master
v: v3
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Thomas Hellstrom authored and Dave Airlie committed Jan 14, 2010
1 parent a81c011 commit 6866340
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Showing 3 changed files with 64 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: e99e1e7893ac80fe769477cb1ddd4b482cef8902
refs/heads/master: d9f36a0051b7c0382107cb0342af1126a6eb627d
62 changes: 61 additions & 1 deletion trunk/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c
Original file line number Diff line number Diff line change
Expand Up @@ -147,6 +147,8 @@ static char *vmw_devname = "vmwgfx";

static int vmw_probe(struct pci_dev *, const struct pci_device_id *);
static void vmw_master_init(struct vmw_master *);
static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
void *ptr);

static void vmw_print_capabilities(uint32_t capabilities)
{
Expand Down Expand Up @@ -352,6 +354,9 @@ static int vmw_driver_load(struct drm_device *dev, unsigned long chipset)
vmw_fb_init(dev_priv);
}

dev_priv->pm_nb.notifier_call = vmwgfx_pm_notifier;
register_pm_notifier(&dev_priv->pm_nb);

return 0;

out_no_device:
Expand Down Expand Up @@ -386,6 +391,8 @@ static int vmw_driver_unload(struct drm_device *dev)

DRM_INFO(VMWGFX_DRIVER_NAME " unload.\n");

unregister_pm_notifier(&dev_priv->pm_nb);

if (!dev_priv->stealth) {
vmw_fb_close(dev_priv);
vmw_kms_close(dev_priv);
Expand Down Expand Up @@ -651,6 +658,57 @@ static void vmw_remove(struct pci_dev *pdev)
drm_put_dev(dev);
}

static int vmwgfx_pm_notifier(struct notifier_block *nb, unsigned long val,
void *ptr)
{
struct vmw_private *dev_priv =
container_of(nb, struct vmw_private, pm_nb);
struct vmw_master *vmaster = dev_priv->active_master;

switch (val) {
case PM_HIBERNATION_PREPARE:
case PM_SUSPEND_PREPARE:
ttm_suspend_lock(&vmaster->lock);

/**
* This empties VRAM and unbinds all GMR bindings.
* Buffer contents is moved to swappable memory.
*/
ttm_bo_swapout_all(&dev_priv->bdev);
break;
case PM_POST_HIBERNATION:
case PM_POST_SUSPEND:
ttm_suspend_unlock(&vmaster->lock);
break;
case PM_RESTORE_PREPARE:
break;
case PM_POST_RESTORE:
break;
default:
break;
}
return 0;
}

/**
* These might not be needed with the virtual SVGA device.
*/

int vmw_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
pci_save_state(pdev);
pci_disable_device(pdev);
pci_set_power_state(pdev, PCI_D3hot);
return 0;
}

int vmw_pci_resume(struct pci_dev *pdev)
{
pci_set_power_state(pdev, PCI_D0);
pci_restore_state(pdev);
return pci_enable_device(pdev);
}

static struct drm_driver driver = {
.driver_features = DRIVER_HAVE_IRQ | DRIVER_IRQ_SHARED |
DRIVER_MODESET,
Expand Down Expand Up @@ -690,7 +748,9 @@ static struct drm_driver driver = {
.name = VMWGFX_DRIVER_NAME,
.id_table = vmw_pci_id_list,
.probe = vmw_probe,
.remove = vmw_remove
.remove = vmw_remove,
.suspend = vmw_pci_suspend,
.resume = vmw_pci_resume
},
.name = VMWGFX_DRIVER_NAME,
.desc = VMWGFX_DRIVER_DESC,
Expand Down
2 changes: 2 additions & 0 deletions trunk/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,7 @@
#include "drmP.h"
#include "vmwgfx_drm.h"
#include "drm_hashtab.h"
#include "linux/suspend.h"
#include "ttm/ttm_bo_driver.h"
#include "ttm/ttm_object.h"
#include "ttm/ttm_lock.h"
Expand Down Expand Up @@ -258,6 +259,7 @@ struct vmw_private {

struct vmw_master *active_master;
struct vmw_master fbdev_master;
struct notifier_block pm_nb;
};

static inline struct vmw_private *vmw_priv(struct drm_device *dev)
Expand Down

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