[Intel-gfx] [PATCH 5/9] drm/i915: Disable opregion on IGDNG for now

[Zhenyu Wang]

Disable OpRegion support for now until verified on new chipsets.

Signed-off-by: Zhenyu Wang <zhenyuw at linux.intel.com>
---
 drivers/gpu/drm/i915/i915_dma.c |    7 +++++--
 drivers/gpu/drm/i915/i915_irq.c |    4 +++-
 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 e89560c..1de50a5 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 2314784..957b087 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -617,7 +617,9 @@ 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;
 }
 
-- 
1.6.3