POSTING_READ(vga_reg);
}
- static void ivb_pch_pwm_override(struct drm_device *dev)
- {
- struct drm_i915_private *dev_priv = dev->dev_private;
-
- /*
- * IVB has CPU eDP backlight regs too, set things up to let the
- * PCH regs control the backlight
- */
- I915_WRITE(BLC_PWM_CPU_CTL2, BLM_PWM_ENABLE);
- I915_WRITE(BLC_PWM_CPU_CTL, 0);
- I915_WRITE(BLC_PWM_PCH_CTL1, BLM_PCH_PWM_ENABLE | BLM_PCH_OVERRIDE_ENABLE);
- }
-
void intel_modeset_init_hw(struct drm_device *dev)
{
- struct drm_i915_private *dev_priv = dev->dev_private;
+ intel_prepare_ddi(dev);
intel_init_clock_gating(dev);
- if (IS_IRONLAKE_M(dev)) {
- ironlake_enable_drps(dev);
- ironlake_enable_rc6(dev);
- intel_init_emon(dev);
- }
-
- if ((IS_GEN6(dev) || IS_GEN7(dev)) && !IS_VALLEYVIEW(dev)) {
- gen6_enable_rps(dev_priv);
- gen6_update_ring_freq(dev_priv);
- }
+ mutex_lock(&dev->struct_mutex);
+ intel_enable_gt_powersave(dev);
+ mutex_unlock(&dev->struct_mutex);
-
- if (IS_IVYBRIDGE(dev))
- ivb_pch_pwm_override(dev);
}
void intel_modeset_init(struct drm_device *dev)
*
* TODO bind a default page at vm initialization for default address
*/
+
+/**
+ * radeon_vm_manager_init - init the vm manager
+ *
+ * @rdev: radeon_device pointer
+ *
+ * Init the vm manager (cayman+).
+ * Returns 0 for success, error for failure.
+ */
int radeon_vm_manager_init(struct radeon_device *rdev)
{
+ struct radeon_vm *vm;
+ struct radeon_bo_va *bo_va;
int r;
- rdev->vm_manager.enabled = false;
+ if (!rdev->vm_manager.enabled) {
+ /* mark first vm as always in use, it's the system one */
++ /* allocate enough for 2 full VM pts */
+ r = radeon_sa_bo_manager_init(rdev, &rdev->vm_manager.sa_manager,
- rdev->vm_manager.max_pfn * 8,
++ rdev->vm_manager.max_pfn * 8 * 2,
+ RADEON_GEM_DOMAIN_VRAM);
+ if (r) {
+ dev_err(rdev->dev, "failed to allocate vm bo (%dKB)\n",
+ (rdev->vm_manager.max_pfn * 8) >> 10);
+ return r;
+ }
- /* mark first vm as always in use, it's the system one */
- /* allocate enough for 2 full VM pts */
- r = radeon_sa_bo_manager_init(rdev, &rdev->vm_manager.sa_manager,
- rdev->vm_manager.max_pfn * 8 * 2,
- RADEON_GEM_DOMAIN_VRAM);
- if (r) {
- dev_err(rdev->dev, "failed to allocate vm bo (%dKB)\n",
- (rdev->vm_manager.max_pfn * 8) >> 10);
- return r;
+ r = rdev->vm_manager.funcs->init(rdev);
+ if (r)
+ return r;
+
+ rdev->vm_manager.enabled = true;
+
+ r = radeon_sa_bo_manager_start(rdev, &rdev->vm_manager.sa_manager);
+ if (r)
+ return r;
}
- r = rdev->vm_manager.funcs->init(rdev);
- if (r == 0)
- rdev->vm_manager.enabled = true;
+ /* restore page table */
+ list_for_each_entry(vm, &rdev->vm_manager.lru_vm, list) {
+ if (vm->id == -1)
+ continue;
- return r;
+ list_for_each_entry(bo_va, &vm->va, vm_list) {
+ struct ttm_mem_reg *mem = NULL;
+ if (bo_va->valid)
+ mem = &bo_va->bo->tbo.mem;
+
+ bo_va->valid = false;
+ r = radeon_vm_bo_update_pte(rdev, vm, bo_va->bo, mem);
+ if (r) {
+ DRM_ERROR("Failed to update pte for vm %d!\n", vm->id);
+ }
+ }
+
+ r = rdev->vm_manager.funcs->bind(rdev, vm, vm->id);
+ if (r) {
+ DRM_ERROR("Failed to bind vm %d!\n", vm->id);
+ }
+ }
+ return 0;
}
-/* cs mutex must be lock */
+/* global mutex must be lock */
+/**
+ * radeon_vm_unbind_locked - unbind a specific vm
+ *
+ * @rdev: radeon_device pointer
+ * @vm: vm to unbind
+ *
+ * Unbind the requested vm (cayman+).
+ * Wait for use of the VM to finish, then unbind the page table,
+ * and free the page table memory.
+ */
static void radeon_vm_unbind_locked(struct radeon_device *rdev,
struct radeon_vm *vm)
{