drm/i915: Disable opregion on IGDNG for now

Disable OpRegion support for now until verified on new chipsets.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>

2 files changed, 8 insertions, 3 deletions

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 0c222c28b8c1..fa105bd119a6 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -1206,7 +1206,9 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
         }
 
         /* Must be done after probing outputs */
-        intel_opregion_init(dev, 0);
+        /* FIXME: verify on IGDNG */
+        if (!IS_IGDNG(dev))
+                intel_opregion_init(dev, 0);
 
         return 0;
 
@@ -1240,7 +1242,8 @@ int i915_driver_unload(struct drm_device *dev)
         if (dev_priv->regs != NULL)
                 iounmap(dev_priv->regs);
 
-        intel_opregion_free(dev, 0);
+        if (!IS_IGDNG(dev))
+                intel_opregion_free(dev, 0);
 
         if (drm_core_check_feature(dev, DRIVER_MODESET)) {
                 intel_modeset_cleanup(dev);
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 98bb4c878c4e..4b0bcbd58b8f 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -484,7 +484,9 @@ void i915_disable_vblank(struct drm_device *dev, int pipe)
 void i915_enable_interrupt (struct drm_device *dev)
 {
         struct drm_i915_private *dev_priv = dev->dev_private;
-        opregion_enable_asle(dev);
+
+        if (!IS_IGDNG(dev))
+                opregion_enable_asle(dev);
         dev_priv->irq_enabled = 1;
 }