diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_drv.h | 1 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 2 |
3 files changed, 24 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c index a31cbdb..0692622 100644 --- 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 +67,12 @@ 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) && i915_gem_idle(dev)) { + dev_err(&dev->pdev->dev, "GEM idle failed, aborting suspend\n"); + return -EBUSY; + } + intel_opregion_free(dev); if (state.event == PM_EVENT_SUSPEND) { @@ -79,6 +86,9 @@ 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 +99,18 @@ 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); + } + + return ret; } static struct vm_operations_struct i915_gem_vm_ops = { diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h index 135a08f..17fa408 100644 --- a/drivers/gpu/drm/i915/i915_drv.h +++ b/drivers/gpu/drm/i915/i915_drv.h @@ -618,6 +618,7 @@ int i915_gem_init_ringbuffer(struct drm_device *dev); void i915_gem_cleanup_ringbuffer(struct drm_device *dev); int i915_gem_do_init(struct drm_device *dev, unsigned long start, unsigned long end); +int i915_gem_idle(struct drm_device *dev); int i915_gem_fault(struct vm_area_struct *vma, struct vm_fault *vmf); int i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj, int write); diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 0f50574..58c789d 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -2973,7 +2973,7 @@ i915_gem_evict_from_list(struct drm_device *dev, struct list_head *head) return 0; } -static int +int i915_gem_idle(struct drm_device *dev) { drm_i915_private_t *dev_priv = dev->dev_private; |
