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authorZhenyu Wang <zhenyuw@linux.intel.com>2011-03-02 13:52:37 +0800
committerChris Wilson <chris@chris-wilson.co.uk>2011-03-02 11:26:13 +0000
commita7a75c8f70d6f6a2f16c9f627f938bbee2d32718 (patch)
treeded64174c8231b9ae080e63a74b62476810c104f /drivers/gpu/drm/i915/i915_suspend.c
parent4cbf74ccf8362e99b2bdf1e66112a480c79ecacf (diff)
drm/i915: Don't save/restore hardware status page address register
It's cleaned before saving and re-initialized after restoring. So don't need to save/restore it. And also new chip has new address for hardware status page register, don't write to old address. Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com> Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
-rw-r--r--drivers/gpu/drm/i915/i915_suspend.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c
index da474153a0a..7e992a8e909 100644
--- a/drivers/gpu/drm/i915/i915_suspend.c
+++ b/drivers/gpu/drm/i915/i915_suspend.c
@@ -796,9 +796,6 @@ int i915_save_state(struct drm_device *dev)
pci_read_config_byte(dev->pdev, LBB, &dev_priv->saveLBB);
- /* Hardware status page */
- dev_priv->saveHWS = I915_READ(HWS_PGA);
-
i915_save_display(dev);
/* Interrupt state */
@@ -845,9 +842,6 @@ int i915_restore_state(struct drm_device *dev)
pci_write_config_byte(dev->pdev, LBB, dev_priv->saveLBB);
- /* Hardware status page */
- I915_WRITE(HWS_PGA, dev_priv->saveHWS);
-
i915_restore_display(dev);
/* Interrupt state */