diff options
| author | Dave Airlie <airlied@redhat.com> | 2008-02-20 10:02:20 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2008-02-20 10:02:20 +1000 |
| commit | 6c41e5381fb8ea890943b6679fe6ae7ac4cfea4d (patch) | |
| tree | 9467361943830f84a7622d61b19ce57b40e058a8 | |
| parent | 5d8c754bc2c720d70bbdeca6b294660105717a62 (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>
| -rw-r--r-- | linux-core/drmP.h | 2 | ||||
| -rw-r--r-- | linux-core/drm_sysfs.c | 2 | ||||
| -rw-r--r-- | linux-core/i915_drv.c | 13 |
3 files changed, 11 insertions, 6 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 33f3649e..f196e11d 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -617,7 +617,7 @@ 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/linux-core/drm_sysfs.c b/linux-core/drm_sysfs.c index 3aaac11b..c02e2049 100644 --- a/linux-core/drm_sysfs.c +++ b/linux-core/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/linux-core/i915_drv.c b/linux-core/i915_drv.c index 9d8b4685..cfcb62ed 100644 --- a/linux-core/i915_drv.c +++ b/linux-core/i915_drv.c @@ -263,7 +263,7 @@ 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; @@ -274,6 +274,9 @@ 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); @@ -388,9 +391,11 @@ 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; } |