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authorDave Airlie <airlied@redhat.com>2008-02-20 10:02:20 +1000
committerDave Airlie <airlied@redhat.com>2008-02-20 10:02:20 +1000
commit6c41e5381fb8ea890943b6679fe6ae7ac4cfea4d (patch)
tree9467361943830f84a7622d61b19ce57b40e058a8 /linux-core/i915_drv.c
parent5d8c754bc2c720d70bbdeca6b294660105717a62 (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 'linux-core/i915_drv.c')
-rw-r--r--linux-core/i915_drv.c13
1 files changed, 9 insertions, 4 deletions
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;
}