summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/gpu/drm/i915/gem/i915_gem_ttm.c')
-rw-r--r--drivers/gpu/drm/i915/gem/i915_gem_ttm.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
index 25129af70f70..1e50fb0d6bfc 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_ttm.c
@@ -603,6 +603,10 @@ static int i915_ttm_truncate(struct drm_i915_gem_object *obj)
WARN_ON_ONCE(obj->mm.madv == I915_MADV_WILLNEED);
+ err = ttm_bo_wait(bo, true, false);
+ if (err)
+ return err;
+
err = i915_ttm_move_notify(bo);
if (err)
return err;
@@ -815,8 +819,7 @@ static int __i915_ttm_get_pages(struct drm_i915_gem_object *obj,
GEM_BUG_ON(obj->mm.rsgt);
obj->mm.rsgt = rsgt;
- __i915_gem_object_set_pages(obj, &rsgt->table,
- i915_sg_dma_sizes(rsgt->table.sgl));
+ __i915_gem_object_set_pages(obj, &rsgt->table);
}
GEM_BUG_ON(bo->ttm && ((obj->base.size >> PAGE_SHIFT) < bo->ttm->num_pages));
@@ -1031,9 +1034,6 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
vm_fault_t ret;
int idx;
- if (i915_ttm_is_ghost_object(bo))
- return VM_FAULT_SIGBUS;
-
/* Sanity check that we allow writing into this object */
if (unlikely(i915_gem_object_is_readonly(obj) &&
area->vm_flags & VM_WRITE))
@@ -1048,9 +1048,6 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
return VM_FAULT_SIGBUS;
}
- if (i915_ttm_cpu_maps_iomem(bo->resource))
- wakeref = intel_runtime_pm_get(&to_i915(obj->base.dev)->runtime_pm);
-
if (!i915_ttm_resource_mappable(bo->resource)) {
int err = -ENODEV;
int i;
@@ -1078,6 +1075,9 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
}
}
+ if (i915_ttm_cpu_maps_iomem(bo->resource))
+ wakeref = intel_runtime_pm_get(&to_i915(obj->base.dev)->runtime_pm);
+
if (drm_dev_enter(dev, &idx)) {
ret = ttm_bo_vm_fault_reserved(vmf, vmf->vma->vm_page_prot,
TTM_BO_VM_NUM_PREFAULT);
@@ -1098,6 +1098,8 @@ static vm_fault_t vm_fault_ttm(struct vm_fault *vmf)
spin_lock(&to_i915(obj->base.dev)->runtime_pm.lmem_userfault_lock);
list_add(&obj->userfault_link, &to_i915(obj->base.dev)->runtime_pm.lmem_userfault_list);
spin_unlock(&to_i915(obj->base.dev)->runtime_pm.lmem_userfault_lock);
+
+ GEM_WARN_ON(!i915_ttm_cpu_maps_iomem(bo->resource));
}
if (wakeref & CONFIG_DRM_I915_USERFAULT_AUTOSUSPEND)
@@ -1180,6 +1182,8 @@ static void i915_ttm_unmap_virtual(struct drm_i915_gem_object *obj)
}
}
+ GEM_WARN_ON(obj->userfault_count);
+
ttm_bo_unmap_virtual(i915_gem_to_ttm(obj));
if (wakeref)