static void i915_gem_object_flush_gtt_write_domain(struct drm_i915_gem_object *obj);
static void i915_gem_object_flush_cpu_write_domain(struct drm_i915_gem_object *obj);
-static __must_check int i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
- unsigned alignment,
- bool map_and_fenceable,
- bool nonblocking);
+static __must_check int
+i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ unsigned alignment,
+ bool map_and_fenceable,
+ bool nonblocking);
static int i915_gem_phys_pwrite(struct drm_device *dev,
struct drm_i915_gem_object *obj,
struct drm_i915_gem_pwrite *args,
static inline bool
i915_gem_object_is_inactive(struct drm_i915_gem_object *obj)
{
- return i915_gem_obj_ggtt_bound(obj) && !obj->active;
+ return i915_gem_obj_bound_any(obj) && !obj->active;
}
int
* anyway again before the next pread happens. */
if (obj->cache_level == I915_CACHE_NONE)
needs_clflush = 1;
- if (i915_gem_obj_ggtt_bound(obj)) {
+ if (i915_gem_obj_bound_any(obj)) {
ret = i915_gem_object_set_to_gtt_domain(obj, false);
if (ret)
return ret;
char __user *user_data;
int page_offset, page_length, ret;
- ret = i915_gem_object_pin(obj, 0, true, true);
+ ret = i915_gem_obj_ggtt_pin(obj, 0, true, true);
if (ret)
goto out;
* right away and we therefore have to clflush anyway. */
if (obj->cache_level == I915_CACHE_NONE)
needs_clflush_after = 1;
- if (i915_gem_obj_ggtt_bound(obj)) {
+ if (i915_gem_obj_bound_any(obj)) {
ret = i915_gem_object_set_to_gtt_domain(obj, true);
if (ret)
return ret;
}
/* Now bind it into the GTT if needed */
- ret = i915_gem_object_pin(obj, 0, true, false);
+ ret = i915_gem_obj_ggtt_pin(obj, 0, true, false);
if (ret)
goto unlock;
if (obj->pages == NULL)
return 0;
- BUG_ON(i915_gem_obj_ggtt_bound(obj));
-
if (obj->pages_pin_count)
return -EBUSY;
+ BUG_ON(i915_gem_obj_bound_any(obj));
+
/* ->put_pages might need to allocate memory for the bit17 swizzle
* array, hence protect them from being reaped by removing them from gtt
* lists early. */
bool purgeable_only)
{
struct drm_i915_gem_object *obj, *next;
- struct i915_address_space *vm = &dev_priv->gtt.base;
long count = 0;
list_for_each_entry_safe(obj, next,
}
}
- list_for_each_entry_safe(obj, next, &vm->inactive_list, mm_list) {
- if ((i915_gem_object_is_purgeable(obj) || !purgeable_only) &&
- i915_gem_object_unbind(obj) == 0 &&
- i915_gem_object_put_pages(obj) == 0) {
+ list_for_each_entry_safe(obj, next, &dev_priv->mm.bound_list,
+ global_list) {
+ struct i915_vma *vma, *v;
+
+ if (!i915_gem_object_is_purgeable(obj) && purgeable_only)
+ continue;
+
+ list_for_each_entry_safe(vma, v, &obj->vma_list, vma_link)
+ if (i915_vma_unbind(vma))
+ break;
+
+ if (!i915_gem_object_put_pages(obj)) {
count += obj->base.size >> PAGE_SHIFT;
if (count >= target)
return count;
{
struct drm_device *dev = obj->base.dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_address_space *vm = &dev_priv->gtt.base;
u32 seqno = intel_ring_get_seqno(ring);
BUG_ON(ring == NULL);
obj->active = 1;
}
- /* Move from whatever list we were on to the tail of execution. */
- list_move_tail(&obj->mm_list, &vm->active_list);
list_move_tail(&obj->ring_list, &ring->active_list);
obj->last_read_seqno = seqno;
static void
i915_gem_object_move_to_inactive(struct drm_i915_gem_object *obj)
{
- struct drm_device *dev = obj->base.dev;
- struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_address_space *vm = &dev_priv->gtt.base;
+ struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+ struct i915_address_space *ggtt_vm = &dev_priv->gtt.base;
+ struct i915_vma *vma = i915_gem_obj_to_vma(obj, ggtt_vm);
BUG_ON(obj->base.write_domain & ~I915_GEM_GPU_DOMAINS);
BUG_ON(!obj->active);
- list_move_tail(&obj->mm_list, &vm->inactive_list);
+ list_move_tail(&vma->mm_list, &ggtt_vm->inactive_list);
list_del_init(&obj->ring_list);
obj->ring = NULL;
spin_unlock(&file_priv->mm.lock);
}
-static bool i915_head_inside_object(u32 acthd, struct drm_i915_gem_object *obj)
+static bool i915_head_inside_object(u32 acthd, struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm)
{
- if (acthd >= i915_gem_obj_ggtt_offset(obj) &&
- acthd < i915_gem_obj_ggtt_offset(obj) + obj->base.size)
+ if (acthd >= i915_gem_obj_offset(obj, vm) &&
+ acthd < i915_gem_obj_offset(obj, vm) + obj->base.size)
return true;
return false;
return false;
}
+static struct i915_address_space *
+request_to_vm(struct drm_i915_gem_request *request)
+{
+ struct drm_i915_private *dev_priv = request->ring->dev->dev_private;
+ struct i915_address_space *vm;
+
+ vm = &dev_priv->gtt.base;
+
+ return vm;
+}
+
static bool i915_request_guilty(struct drm_i915_gem_request *request,
const u32 acthd, bool *inside)
{
* pointing inside the ring, matches the batch_obj address range.
* However this is extremely unlikely.
*/
-
if (request->batch_obj) {
- if (i915_head_inside_object(acthd, request->batch_obj)) {
+ if (i915_head_inside_object(acthd, request->batch_obj,
+ request_to_vm(request))) {
*inside = true;
return true;
}
{
struct i915_ctx_hang_stats *hs = NULL;
bool inside, guilty;
+ unsigned long offset = 0;
/* Innocent until proven guilty */
guilty = false;
+ if (request->batch_obj)
+ offset = i915_gem_obj_offset(request->batch_obj,
+ request_to_vm(request));
+
if (ring->hangcheck.action != wait &&
i915_request_guilty(request, acthd, &inside)) {
DRM_ERROR("%s hung %s bo (0x%lx ctx %d) at 0x%x\n",
ring->name,
inside ? "inside" : "flushing",
- request->batch_obj ?
- i915_gem_obj_ggtt_offset(request->batch_obj) : 0,
+ offset,
request->ctx ? request->ctx->id : 0,
acthd);
void i915_gem_reset(struct drm_device *dev)
{
struct drm_i915_private *dev_priv = dev->dev_private;
- struct i915_address_space *vm = &dev_priv->gtt.base;
- struct drm_i915_gem_object *obj;
struct intel_ring_buffer *ring;
int i;
for_each_ring(ring, dev_priv, i)
i915_gem_reset_ring_lists(dev_priv, ring);
- /* Move everything out of the GPU domains to ensure we do any
- * necessary invalidation upon reuse.
- */
- list_for_each_entry(obj, &vm->inactive_list, mm_list)
- obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS;
-
i915_gem_restore_fences(dev);
}
old_write_domain);
}
-/**
- * Unbinds an object from the GTT aperture.
- */
-int
-i915_gem_object_unbind(struct drm_i915_gem_object *obj)
+int i915_vma_unbind(struct i915_vma *vma)
{
+ struct drm_i915_gem_object *obj = vma->obj;
drm_i915_private_t *dev_priv = obj->base.dev->dev_private;
- struct i915_vma *vma;
int ret;
- if (!i915_gem_obj_ggtt_bound(obj))
+ if (list_empty(&vma->vma_link))
return 0;
if (obj->pin_count)
if (ret)
return ret;
- trace_i915_gem_object_unbind(obj);
+ trace_i915_vma_unbind(vma);
if (obj->has_global_gtt_mapping)
i915_gem_gtt_unbind_object(obj);
i915_gem_gtt_finish_object(obj);
i915_gem_object_unpin_pages(obj);
- list_del(&obj->mm_list);
+ list_del(&vma->mm_list);
/* Avoid an unnecessary call to unbind on rebind. */
- obj->map_and_fenceable = true;
+ if (i915_is_ggtt(vma->vm))
+ obj->map_and_fenceable = true;
- vma = __i915_gem_obj_to_vma(obj);
- list_del(&vma->vma_link);
drm_mm_remove_node(&vma->node);
i915_gem_vma_destroy(vma);
return 0;
}
+/**
+ * Unbinds an object from the global GTT aperture.
+ */
+int
+i915_gem_object_ggtt_unbind(struct drm_i915_gem_object *obj)
+{
+ struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
+ struct i915_address_space *ggtt = &dev_priv->gtt.base;
+
+ if (!i915_gem_obj_ggtt_bound(obj))
+ return 0;
+
+ if (obj->pin_count)
+ return -EBUSY;
+
+ BUG_ON(obj->pages == NULL);
+
+ return i915_vma_unbind(i915_gem_obj_to_vma(obj, ggtt));
+}
+
int i915_gpu_idle(struct drm_device *dev)
{
drm_i915_private_t *dev_priv = dev->dev_private;
* Finds free space in the GTT aperture and binds the object there.
*/
static int
-i915_gem_object_bind_to_gtt(struct drm_i915_gem_object *obj,
- unsigned alignment,
- bool map_and_fenceable,
- bool nonblocking)
+i915_gem_object_bind_to_vm(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
+ unsigned alignment,
+ bool map_and_fenceable,
+ bool nonblocking)
{
struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- struct i915_address_space *vm = &dev_priv->gtt.base;
u32 size, fence_size, fence_alignment, unfenced_alignment;
bool mappable, fenceable;
- size_t gtt_max = map_and_fenceable ?
- dev_priv->gtt.mappable_end : dev_priv->gtt.base.total;
+ size_t gtt_max =
+ map_and_fenceable ? dev_priv->gtt.mappable_end : vm->total;
struct i915_vma *vma;
int ret;
i915_gem_object_pin_pages(obj);
- vma = i915_gem_vma_create(obj, &dev_priv->gtt.base);
+ /* FIXME: For now we only ever use 1 VMA per object */
+ BUG_ON(!i915_is_ggtt(vm));
+ WARN_ON(!list_empty(&obj->vma_list));
+
+ vma = i915_gem_vma_create(obj, vm);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto err_unpin;
}
search_free:
- ret = drm_mm_insert_node_in_range_generic(&dev_priv->gtt.base.mm,
- &vma->node,
+ ret = drm_mm_insert_node_in_range_generic(&vm->mm, &vma->node,
size, alignment,
obj->cache_level, 0, gtt_max,
DRM_MM_SEARCH_DEFAULT);
if (ret) {
- ret = i915_gem_evict_something(dev, size, alignment,
+ ret = i915_gem_evict_something(dev, vm, size, alignment,
obj->cache_level,
map_and_fenceable,
nonblocking);
goto err_remove_node;
list_move_tail(&obj->global_list, &dev_priv->mm.bound_list);
- list_add_tail(&obj->mm_list, &vm->inactive_list);
- list_add(&vma->vma_link, &obj->vma_list);
+ list_add_tail(&vma->mm_list, &vm->inactive_list);
fenceable =
+ i915_is_ggtt(vm) &&
i915_gem_obj_ggtt_size(obj) == fence_size &&
(i915_gem_obj_ggtt_offset(obj) & (fence_alignment - 1)) == 0;
- mappable = i915_gem_obj_ggtt_offset(obj) + obj->base.size <=
- dev_priv->gtt.mappable_end;
+ mappable =
+ i915_is_ggtt(vm) &&
+ vma->node.start + obj->base.size <= dev_priv->gtt.mappable_end;
- obj->map_and_fenceable = mappable && fenceable;
+ /* Map and fenceable only changes if the VM is the global GGTT */
+ if (i915_is_ggtt(vm))
+ obj->map_and_fenceable = mappable && fenceable;
- trace_i915_gem_object_bind(obj, map_and_fenceable);
+ trace_i915_vma_bind(vma, map_and_fenceable);
i915_gem_verify_gtt(dev);
return 0;
int ret;
/* Not valid to be called on unbound objects. */
- if (!i915_gem_obj_ggtt_bound(obj))
+ if (!i915_gem_obj_bound_any(obj))
return -EINVAL;
if (obj->base.write_domain == I915_GEM_DOMAIN_GTT)
old_write_domain);
/* And bump the LRU for this access */
- if (i915_gem_object_is_inactive(obj))
- list_move_tail(&obj->mm_list,
- &dev_priv->gtt.base.inactive_list);
+ if (i915_gem_object_is_inactive(obj)) {
+ struct i915_vma *vma = i915_gem_obj_to_vma(obj,
+ &dev_priv->gtt.base);
+ if (vma)
+ list_move_tail(&vma->mm_list,
+ &dev_priv->gtt.base.inactive_list);
+
+ }
return 0;
}
{
struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- struct i915_vma *vma = __i915_gem_obj_to_vma(obj);
+ struct i915_vma *vma;
int ret;
if (obj->cache_level == cache_level)
return -EBUSY;
}
- if (vma && !i915_gem_valid_gtt_space(dev, &vma->node, cache_level)) {
- ret = i915_gem_object_unbind(obj);
- if (ret)
- return ret;
+ list_for_each_entry(vma, &obj->vma_list, vma_link) {
+ if (!i915_gem_valid_gtt_space(dev, &vma->node, cache_level)) {
+ ret = i915_vma_unbind(vma);
+ if (ret)
+ return ret;
+
+ break;
+ }
}
- if (i915_gem_obj_ggtt_bound(obj)) {
+ if (i915_gem_obj_bound_any(obj)) {
ret = i915_gem_object_finish_gpu(obj);
if (ret)
return ret;
if (obj->has_aliasing_ppgtt_mapping)
i915_ppgtt_bind_object(dev_priv->mm.aliasing_ppgtt,
obj, cache_level);
-
- i915_gem_obj_ggtt_set_color(obj, cache_level);
}
if (cache_level == I915_CACHE_NONE) {
old_write_domain);
}
+ list_for_each_entry(vma, &obj->vma_list, vma_link)
+ vma->node.color = cache_level;
obj->cache_level = cache_level;
i915_gem_verify_gtt(dev);
return 0;
* (e.g. libkms for the bootup splash), we have to ensure that we
* always use map_and_fenceable for all scanout buffers.
*/
- ret = i915_gem_object_pin(obj, alignment, true, false);
+ ret = i915_gem_obj_ggtt_pin(obj, alignment, true, false);
if (ret)
return ret;
int
i915_gem_object_pin(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm,
uint32_t alignment,
bool map_and_fenceable,
bool nonblocking)
{
+ struct i915_vma *vma;
int ret;
if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT))
return -EBUSY;
- if (i915_gem_obj_ggtt_bound(obj)) {
- if ((alignment && i915_gem_obj_ggtt_offset(obj) & (alignment - 1)) ||
+ WARN_ON(map_and_fenceable && !i915_is_ggtt(vm));
+
+ vma = i915_gem_obj_to_vma(obj, vm);
+
+ if (vma) {
+ if ((alignment &&
+ vma->node.start & (alignment - 1)) ||
(map_and_fenceable && !obj->map_and_fenceable)) {
WARN(obj->pin_count,
"bo is already pinned with incorrect alignment:"
" offset=%lx, req.alignment=%x, req.map_and_fenceable=%d,"
" obj->map_and_fenceable=%d\n",
- i915_gem_obj_ggtt_offset(obj), alignment,
+ i915_gem_obj_offset(obj, vm), alignment,
map_and_fenceable,
obj->map_and_fenceable);
- ret = i915_gem_object_unbind(obj);
+ ret = i915_vma_unbind(vma);
if (ret)
return ret;
}
}
- if (!i915_gem_obj_ggtt_bound(obj)) {
+ if (!i915_gem_obj_bound(obj, vm)) {
struct drm_i915_private *dev_priv = obj->base.dev->dev_private;
- ret = i915_gem_object_bind_to_gtt(obj, alignment,
- map_and_fenceable,
- nonblocking);
+ ret = i915_gem_object_bind_to_vm(obj, vm, alignment,
+ map_and_fenceable,
+ nonblocking);
if (ret)
return ret;
i915_gem_object_unpin(struct drm_i915_gem_object *obj)
{
BUG_ON(obj->pin_count == 0);
- BUG_ON(!i915_gem_obj_ggtt_bound(obj));
+ BUG_ON(!i915_gem_obj_bound_any(obj));
if (--obj->pin_count == 0)
obj->pin_mappable = false;
}
if (obj->user_pin_count == 0) {
- ret = i915_gem_object_pin(obj, args->alignment, true, false);
+ ret = i915_gem_obj_ggtt_pin(obj, args->alignment, true, false);
if (ret)
goto out;
}
void i915_gem_object_init(struct drm_i915_gem_object *obj,
const struct drm_i915_gem_object_ops *ops)
{
- INIT_LIST_HEAD(&obj->mm_list);
INIT_LIST_HEAD(&obj->global_list);
INIT_LIST_HEAD(&obj->ring_list);
INIT_LIST_HEAD(&obj->exec_list);
struct drm_i915_gem_object *obj = to_intel_bo(gem_obj);
struct drm_device *dev = obj->base.dev;
drm_i915_private_t *dev_priv = dev->dev_private;
+ struct i915_vma *vma, *next;
trace_i915_gem_object_destroy(obj);
i915_gem_detach_phys_object(dev, obj);
obj->pin_count = 0;
- if (WARN_ON(i915_gem_object_unbind(obj) == -ERESTARTSYS)) {
- bool was_interruptible;
+ /* NB: 0 or 1 elements */
+ WARN_ON(!list_empty(&obj->vma_list) &&
+ !list_is_singular(&obj->vma_list));
+ list_for_each_entry_safe(vma, next, &obj->vma_list, vma_link) {
+ int ret = i915_vma_unbind(vma);
+ if (WARN_ON(ret == -ERESTARTSYS)) {
+ bool was_interruptible;
- was_interruptible = dev_priv->mm.interruptible;
- dev_priv->mm.interruptible = false;
+ was_interruptible = dev_priv->mm.interruptible;
+ dev_priv->mm.interruptible = false;
- WARN_ON(i915_gem_object_unbind(obj));
+ WARN_ON(i915_vma_unbind(vma));
- dev_priv->mm.interruptible = was_interruptible;
+ dev_priv->mm.interruptible = was_interruptible;
+ }
}
/* Stolen objects don't hold a ref, but do hold pin count. Fix that up
return ERR_PTR(-ENOMEM);
INIT_LIST_HEAD(&vma->vma_link);
+ INIT_LIST_HEAD(&vma->mm_list);
vma->vm = vm;
vma->obj = obj;
+ /* Keep GGTT vmas first to make debug easier */
+ if (i915_is_ggtt(vm))
+ list_add(&vma->vma_link, &obj->vma_list);
+ else
+ list_add_tail(&vma->vma_link, &obj->vma_list);
+
return vma;
}
void i915_gem_vma_destroy(struct i915_vma *vma)
{
WARN_ON(vma->node.allocated);
+ list_del(&vma->vma_link);
kfree(vma);
}
INIT_LIST_HEAD(&ring->request_list);
}
+static void i915_init_vm(struct drm_i915_private *dev_priv,
+ struct i915_address_space *vm)
+{
+ vm->dev = dev_priv->dev;
+ INIT_LIST_HEAD(&vm->active_list);
+ INIT_LIST_HEAD(&vm->inactive_list);
+ INIT_LIST_HEAD(&vm->global_link);
+ list_add(&vm->global_link, &dev_priv->vm_list);
+}
+
void
i915_gem_load(struct drm_device *dev)
{
SLAB_HWCACHE_ALIGN,
NULL);
- INIT_LIST_HEAD(&dev_priv->gtt.base.active_list);
- INIT_LIST_HEAD(&dev_priv->gtt.base.inactive_list);
+ INIT_LIST_HEAD(&dev_priv->vm_list);
+ i915_init_vm(dev_priv, &dev_priv->gtt.base);
+
INIT_LIST_HEAD(&dev_priv->mm.unbound_list);
INIT_LIST_HEAD(&dev_priv->mm.bound_list);
INIT_LIST_HEAD(&dev_priv->mm.fence_list);
struct drm_i915_private,
mm.inactive_shrinker);
struct drm_device *dev = dev_priv->dev;
- struct i915_address_space *vm = &dev_priv->gtt.base;
struct drm_i915_gem_object *obj;
int nr_to_scan = sc->nr_to_scan;
bool unlock = true;
list_for_each_entry(obj, &dev_priv->mm.unbound_list, global_list)
if (obj->pages_pin_count == 0)
cnt += obj->base.size >> PAGE_SHIFT;
- list_for_each_entry(obj, &vm->inactive_list, mm_list)
+
+ list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
+ if (obj->active)
+ continue;
+
if (obj->pin_count == 0 && obj->pages_pin_count == 0)
cnt += obj->base.size >> PAGE_SHIFT;
+ }
if (unlock)
mutex_unlock(&dev->struct_mutex);
return cnt;
}
+
+/* All the new VM stuff */
+unsigned long i915_gem_obj_offset(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm)
+{
+ struct drm_i915_private *dev_priv = o->base.dev->dev_private;
+ struct i915_vma *vma;
+
+ if (vm == &dev_priv->mm.aliasing_ppgtt->base)
+ vm = &dev_priv->gtt.base;
+
+ BUG_ON(list_empty(&o->vma_list));
+ list_for_each_entry(vma, &o->vma_list, vma_link) {
+ if (vma->vm == vm)
+ return vma->node.start;
+
+ }
+ return -1;
+}
+
+bool i915_gem_obj_bound(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm)
+{
+ struct i915_vma *vma;
+
+ list_for_each_entry(vma, &o->vma_list, vma_link)
+ if (vma->vm == vm && drm_mm_node_allocated(&vma->node))
+ return true;
+
+ return false;
+}
+
+bool i915_gem_obj_bound_any(struct drm_i915_gem_object *o)
+{
+ struct drm_i915_private *dev_priv = o->base.dev->dev_private;
+ struct i915_address_space *vm;
+
+ list_for_each_entry(vm, &dev_priv->vm_list, global_link)
+ if (i915_gem_obj_bound(o, vm))
+ return true;
+
+ return false;
+}
+
+unsigned long i915_gem_obj_size(struct drm_i915_gem_object *o,
+ struct i915_address_space *vm)
+{
+ struct drm_i915_private *dev_priv = o->base.dev->dev_private;
+ struct i915_vma *vma;
+
+ if (vm == &dev_priv->mm.aliasing_ppgtt->base)
+ vm = &dev_priv->gtt.base;
+
+ BUG_ON(list_empty(&o->vma_list));
+
+ list_for_each_entry(vma, &o->vma_list, vma_link)
+ if (vma->vm == vm)
+ return vma->node.size;
+
+ return 0;
+}
+
+struct i915_vma *i915_gem_obj_to_vma(struct drm_i915_gem_object *obj,
+ struct i915_address_space *vm)
+{
+ struct i915_vma *vma;
+ list_for_each_entry(vma, &obj->vma_list, vma_link)
+ if (vma->vm == vm)
+ return vma;
+
+ return NULL;
+}
projects / karo-tx-linux.git / blobdiff