From a7a75c8f70d6f6a2f16c9f627f938bbee2d32718 Mon Sep 17 00:00:00 2001 From: Zhenyu Wang Date: Wed, 2 Mar 2011 13:52:37 +0800 Subject: 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 Signed-off-by: Chris Wilson --- drivers/gpu/drm/i915/i915_suspend.c | 6 ------ 1 file changed, 6 deletions(-) (limited to 'drivers/gpu/drm/i915/i915_suspend.c') diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index da474153a0a2..7e992a8e9098 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 */ -- cgit v1.2.3