diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-02-20 10:02:20 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-02-20 10:05:12 +1000 |
| commit | b932ccb5674eb649133b5c33950405c37d17aab3 (patch) | |
| tree | 8ba30575cb83cc8d7d35517871b15657d1c1ab19 /drivers/char | |
| parent | da636ad6a0d72eb5cb99738056af0bcc3db9ef9d (diff) | |
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>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/drm/drmP.h | 2 | ||||
| -rw-r--r-- | drivers/char/drm/drm_sysfs.c | 2 | ||||
| -rw-r--r-- | drivers/char/drm/i915_drv.c | 13 |
3 files changed, 11 insertions, 6 deletions
diff --git a/drivers/char/drm/drmP.h b/drivers/char/drm/drmP.h index 19d3be5c4b2..a6789f25009 100644 --- a/drivers/char/drm/drmP.h +++ b/drivers/char/drm/drmP.h @@ -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 *); diff --git a/drivers/char/drm/drm_sysfs.c b/drivers/char/drm/drm_sysfs.c index fa36153619e..05ed5043254 100644 --- a/drivers/char/drm/drm_sysfs.c +++ b/drivers/char/drm/drm_sysfs.c @@ -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; } diff --git a/drivers/char/drm/i915_drv.c b/drivers/char/drm/i915_drv.c index 35758a6c8b0..4048f39b7ee 100644 --- a/drivers/char/drm/i915_drv.c +++ b/drivers/char/drm/i915_drv.c @@ -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; } |