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>

diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 0c222c28b8c1d02f2d610448f3795b28cbdadd2f..fa105bd119a6546485bc9976457c489dd2910424 100644 (file)
--- 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 98bb4c878c4ef892a5aeb42b64a335e95eb45b24..4b0bcbd58b8f6fd40475657e59239797cb253397 100644 (file)
--- 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;
 }