Merge branch 'gpu-switcher' of /ssd/git//linux-2.6 into drm-next-stage

[safe/jmp/linux-2.6] / 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 79beffc..1b2e954 100644 (file)
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -49,6 +49,7 @@ unsigned int i915_lvds_downclock = 0;
 module_param_named(lvds_downclock, i915_lvds_downclock, int, 0400);
 
 static struct drm_driver driver;
+extern int intel_agp_enabled;
 
 #define INTEL_VGA_DEVICE(id, info) {           \
        .class = PCI_CLASS_DISPLAY_VGA << 8,    \
@@ -136,6 +137,16 @@ const static struct intel_device_info intel_ironlake_m_info = {
        .has_hotplug = 1,
 };
 
+const static struct intel_device_info intel_sandybridge_d_info = {
+       .is_i965g = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+       .has_hotplug = 1,
+};
+
+const static struct intel_device_info intel_sandybridge_m_info = {
+       .is_i965g = 1, .is_mobile = 1, .is_i9xx = 1, .need_gfx_hws = 1,
+       .has_hotplug = 1,
+};
+
 const static struct pci_device_id pciidlist[] = {
        INTEL_VGA_DEVICE(0x3577, &intel_i830_info),
        INTEL_VGA_DEVICE(0x2562, &intel_845g_info),
@@ -167,6 +178,8 @@ const static struct pci_device_id pciidlist[] = {
        INTEL_VGA_DEVICE(0xa011, &intel_pineview_info),
        INTEL_VGA_DEVICE(0x0042, &intel_ironlake_d_info),
        INTEL_VGA_DEVICE(0x0046, &intel_ironlake_m_info),
+       INTEL_VGA_DEVICE(0x0102, &intel_sandybridge_d_info),
+       INTEL_VGA_DEVICE(0x0106, &intel_sandybridge_m_info),
        {0, 0, 0}
 };
 
@@ -176,6 +189,8 @@ MODULE_DEVICE_TABLE(pci, pciidlist);
 
 static int i915_drm_freeze(struct drm_device *dev)
 {
+       struct drm_i915_private *dev_priv = dev->dev_private;
+
        pci_save_state(dev->pdev);
 
        /* If KMS is active, we do the leavevt stuff here */
@@ -191,20 +206,15 @@ static int i915_drm_freeze(struct drm_device *dev)
 
        i915_save_state(dev);
 
-       return 0;
-}
-
-static void i915_drm_suspend(struct drm_device *dev)
-{
-       struct drm_i915_private *dev_priv = dev->dev_private;
-
        intel_opregion_free(dev, 1);
 
        /* Modeset on resume, not lid events */
        dev_priv->modeset_on_lid = 0;
+
+       return 0;
 }
 
-static int i915_suspend(struct drm_device *dev, pm_message_t state)
+int i915_suspend(struct drm_device *dev, pm_message_t state)
 {
        int error;
 
@@ -221,8 +231,6 @@ static int i915_suspend(struct drm_device *dev, pm_message_t state)
        if (error)
                return error;
 
-       i915_drm_suspend(dev);
-
        if (state.event == PM_EVENT_SUSPEND) {
                /* Shut down the device */
                pci_disable_device(dev->pdev);
@@ -237,6 +245,10 @@ static int i915_drm_thaw(struct drm_device *dev)
        struct drm_i915_private *dev_priv = dev->dev_private;
        int error = 0;
 
+       i915_restore_state(dev);
+
+       intel_opregion_init(dev, 1);
+
        /* KMS EnterVT equivalent */
        if (drm_core_check_feature(dev, DRIVER_MODESET)) {
                mutex_lock(&dev->struct_mutex);
@@ -256,17 +268,13 @@ static int i915_drm_thaw(struct drm_device *dev)
        return error;
 }
 
-static int i915_resume(struct drm_device *dev)
+int i915_resume(struct drm_device *dev)
 {
        if (pci_enable_device(dev->pdev))
                return -EIO;
 
        pci_set_master(dev->pdev);
 
-       i915_restore_state(dev);
-
-       intel_opregion_init(dev, 1);
-
        return i915_drm_thaw(dev);
 }
 
@@ -423,8 +431,6 @@ static int i915_pm_suspend(struct device *dev)
        if (error)
                return error;
 
-       i915_drm_suspend(drm_dev);
-
        pci_disable_device(pdev);
        pci_set_power_state(pdev, PCI_D3hot);
 
@@ -464,13 +470,8 @@ static int i915_pm_poweroff(struct device *dev)
 {
        struct pci_dev *pdev = to_pci_dev(dev);
        struct drm_device *drm_dev = pci_get_drvdata(pdev);
-       int error;
 
-       error = i915_drm_freeze(drm_dev);
-       if (!error)
-               i915_drm_suspend(drm_dev);
-
-       return error;
+       return i915_drm_freeze(drm_dev);
 }
 
 const struct dev_pm_ops i915_pm_ops = {
@@ -558,6 +559,11 @@ static struct drm_driver driver = {
 
 static int __init i915_init(void)
 {
+       if (!intel_agp_enabled) {
+               DRM_ERROR("drm/i915 can't work without intel_agp module!\n");
+               return -ENODEV;
+       }
+
        driver.num_ioctls = i915_max_ioctl;
 
        i915_gem_shrinker_init();
@@ -583,6 +589,11 @@ static int __init i915_init(void)
                driver.driver_features &= ~DRIVER_MODESET;
 #endif
 
+       if (!(driver.driver_features & DRIVER_MODESET)) {
+               driver.suspend = i915_suspend;
+               driver.resume = i915_resume;
+       }
+
        return drm_init(&driver);
 }