diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2013-09-12 13:58:17 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-09-13 11:40:45 +0200 |
| commit | 8e8f8aec2a8deba35af6ba2d3129f0d7bcfd3902 (patch) | |
| tree | 2410a838708f19a553fd3a4640fe313d6e5b1d25 /drivers/gpu/drm/i915/i915_suspend.c | |
| parent | 9d49c0ef40890064ca552230c2e3ae0e1fb3b617 (diff) | |
drm/i915: don't save/restore LBB on Gen5+
Because this PCI config register doesn't exist on Gen5+.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/i915_suspend.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_suspend.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_suspend.c b/drivers/gpu/drm/i915/i915_suspend.c index 70db618989c4..3538370e3a47 100644 --- a/drivers/gpu/drm/i915/i915_suspend.c +++ b/drivers/gpu/drm/i915/i915_suspend.c @@ -340,7 +340,9 @@ int i915_save_state(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int i; - pci_read_config_byte(dev->pdev, LBB, &dev_priv->regfile.saveLBB); + if (INTEL_INFO(dev)->gen <= 4) + pci_read_config_byte(dev->pdev, LBB, + &dev_priv->regfile.saveLBB); mutex_lock(&dev->struct_mutex); @@ -390,7 +392,9 @@ int i915_restore_state(struct drm_device *dev) struct drm_i915_private *dev_priv = dev->dev_private; int i; - pci_write_config_byte(dev->pdev, LBB, dev_priv->regfile.saveLBB); + if (INTEL_INFO(dev)->gen <= 4) + pci_write_config_byte(dev->pdev, LBB, + dev_priv->regfile.saveLBB); mutex_lock(&dev->struct_mutex); |