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drm: add support for passing state into the suspend hooks. 

fix i915 driver to use state for hibernate save avoidance.

Signed-off-by: Dave Airlie <airlied@redhat.com>
This commit is contained in:
Dave Airlie 2008-02-20 10:02:20 +10:00
parent da636ad6a0
commit b932ccb567
3 changed files with 11 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/char/drm/drmP.h
View File

@ -568,7 +568,7 @@ struct drm_driver {
void (*postclose) (struct drm_device *, struct drm_file *);
void (*lastclose) (struct drm_device *);
int (*unload) (struct drm_device *);
int (*suspend) (struct drm_device *);
int (*suspend) (struct drm_device *, pm_message_t state);
int (*resume) (struct drm_device *);
int (*dma_ioctl) (struct drm_device *dev, void *data, struct drm_file *file_priv);
void (*dma_ready) (struct drm_device *);

2
drivers/char/drm/drm_sysfs.c
View File

@ -36,7 +36,7 @@ static int drm_sysfs_suspend(struct device *dev, pm_message_t state)
printk(KERN_ERR "%s\n", __FUNCTION__);
if (drm_dev->driver->suspend)
return drm_dev->driver->suspend(drm_dev);
return drm_dev->driver->suspend(drm_dev, state);
return 0;
}

13
drivers/char/drm/i915_drv.c
View File

@ -238,7 +238,7 @@ static void i915_restore_vga(struct drm_device *dev)
}
static int i915_suspend(struct drm_device *dev)
static int i915_suspend(struct drm_device *dev, pm_message_t state)
{
struct drm_i915_private *dev_priv = dev->dev_private;
int i;
@ -249,6 +249,9 @@ static int i915_suspend(struct drm_device *dev)
return -ENODEV;
}
if (state.event == PM_EVENT_PRETHAW)
return 0;
pci_save_state(dev->pdev);
pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
@ -363,9 +366,11 @@ static int i915_suspend(struct drm_device *dev)
i915_save_vga(dev);
/* Shut down the device */
pci_disable_device(dev->pdev);
pci_set_power_state(dev->pdev, PCI_D3hot);
if (state.event == PM_EVENT_SUSPEND) {
/* Shut down the device */
pci_disable_device(dev->pdev);
pci_set_power_state(dev->pdev, PCI_D3hot);
}
return 0;
}