Commit ea7b44c8 authored by Jie Luo's avatar Jie Luo Committed by Linus Torvalds

enable bus mastering on i915 at resume time

On 9xx chips, bus mastering needs to be enabled at resume time for much of the
chip to function.  With this patch, vblank interrupts will work as expected
on resume, along with other chip functions.   Fixes kernel bugzilla #10844.
Signed-off-by: default avatarJie Luo <>
Signed-off-by: default avatarJesse Barnes <>
Signed-off-by: default avatarLinus Torvalds <>
parent 72c6e251
......@@ -389,6 +389,7 @@ static int i915_resume(struct drm_device *dev)
if (pci_enable_device(dev->pdev))
return -1;
pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
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