Merge branch 'devel' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa...

[linux-2.6-omap-h63xx.git] / drivers / gpu / drm / i915 / i915_drv.c

diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index a31cbdbc3c546ff96a916f93326e5cffcfc4dbfc..b293ef0bae7153805d587201c8ce6c84f3703f4c 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -27,6 +27,7 @@
  *
  */
 
+#include <linux/device.h>
 #include "drmP.h"
 #include "drm.h"
 #include "i915_drm.h"
@@ -66,6 +67,14 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 
        i915_save_state(dev);
 
+       /* If KMS is active, we do the leavevt stuff here */
+       if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+               if (i915_gem_idle(dev))
+                       dev_err(&dev->pdev->dev,
+                               "GEM idle failed, resume may fail\n");
+               drm_irq_uninstall(dev);
+       }
+
        intel_opregion_free(dev);
 
        if (state.event == PM_EVENT_SUSPEND) {
@@ -79,6 +88,9 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
 
 static int i915_resume(struct drm_device *dev)
 {
+       struct drm_i915_private *dev_priv = dev->dev_private;
+       int ret = 0;
+
        pci_set_power_state(dev->pdev, PCI_D0);
        pci_restore_state(dev->pdev);
        if (pci_enable_device(dev->pdev))
@@ -89,7 +101,20 @@ static int i915_resume(struct drm_device *dev)
 
        intel_opregion_init(dev);
 
-       return 0;
+       /* KMS EnterVT equivalent */
+       if (drm_core_check_feature(dev, DRIVER_MODESET)) {
+               mutex_lock(&dev->struct_mutex);
+               dev_priv->mm.suspended = 0;
+
+               ret = i915_gem_init_ringbuffer(dev);
+               if (ret != 0)
+                       ret = -1;
+               mutex_unlock(&dev->struct_mutex);
+
+               drm_irq_install(dev);
+       }
+
+       return ret;
 }
 
 static struct vm_operations_struct i915_gem_vm_ops = {