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drm/i915: Use ggtt_vm to save some typing 

Just some small cleanups, and a rename of vm->ggtt_vm requested by
Daniel.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
This commit is contained in:
Ben Widawsky 2013-07-31 16:59:59 -07:00 committed by Daniel Vetter
parent c37e220461
commit 40d74980d3
2 changed files with 13 additions and 16 deletions
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19
drivers/gpu/drm/i915/i915_gem_gtt.c
View File

@ -643,7 +643,8 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
* aperture. One page should be enough to keep any prefetching inside
* of the aperture.
*/
drm_i915_private_t *dev_priv = dev->dev_private;
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_address_space *ggtt_vm = &dev_priv->gtt.base;
struct drm_mm_node *entry;
struct drm_i915_gem_object *obj;
unsigned long hole_start, hole_end;
@ -651,19 +652,19 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
BUG_ON(mappable_end > end);
/* Subtract the guard page ... */
drm_mm_init(&dev_priv->gtt.base.mm, start, end - start - PAGE_SIZE);
drm_mm_init(&ggtt_vm->mm, start, end - start - PAGE_SIZE);
if (!HAS_LLC(dev))
dev_priv->gtt.base.mm.color_adjust = i915_gtt_color_adjust;
/* Mark any preallocated objects as occupied */
list_for_each_entry(obj, &dev_priv->mm.bound_list, global_list) {
struct i915_vma *vma = i915_gem_obj_to_vma(obj, &dev_priv->gtt.base);
struct i915_vma *vma = i915_gem_obj_to_vma(obj, ggtt_vm);
int ret;
DRM_DEBUG_KMS("reserving preallocated space: %lx + %zx\n",
i915_gem_obj_ggtt_offset(obj), obj->base.size);
WARN_ON(i915_gem_obj_ggtt_bound(obj));
ret = drm_mm_reserve_node(&dev_priv->gtt.base.mm, &vma->node);
ret = drm_mm_reserve_node(&ggtt_vm->mm, &vma->node);
if (ret)
DRM_DEBUG_KMS("Reservation failed\n");
obj->has_global_gtt_mapping = 1;
@ -674,19 +675,15 @@ void i915_gem_setup_global_gtt(struct drm_device *dev,
dev_priv->gtt.base.total = end - start;
/* Clear any non-preallocated blocks */
drm_mm_for_each_hole(entry, &dev_priv->gtt.base.mm,
hole_start, hole_end) {
drm_mm_for_each_hole(entry, &ggtt_vm->mm, hole_start, hole_end) {
const unsigned long count = (hole_end - hole_start) / PAGE_SIZE;
DRM_DEBUG_KMS("clearing unused GTT space: [%lx, %lx]\n",
hole_start, hole_end);
dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
hole_start / PAGE_SIZE,
count);
ggtt_vm->clear_range(ggtt_vm, hole_start / PAGE_SIZE, count);
}
/* And finally clear the reserved guard page */
dev_priv->gtt.base.clear_range(&dev_priv->gtt.base,
end / PAGE_SIZE - 1, 1);
ggtt_vm->clear_range(ggtt_vm, end / PAGE_SIZE - 1, 1);
}
static bool

10
drivers/gpu/drm/i915/i915_gem_stolen.c
View File

@ -333,7 +333,7 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
u32 size)
{
struct drm_i915_private *dev_priv = dev->dev_private;
struct i915_address_space *vm = &dev_priv->gtt.base;
struct i915_address_space *ggtt = &dev_priv->gtt.base;
struct drm_i915_gem_object *obj;
struct drm_mm_node *stolen;
struct i915_vma *vma;
@ -376,7 +376,7 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
if (gtt_offset == I915_GTT_OFFSET_NONE)
return obj;
vma = i915_gem_vma_create(obj, &dev_priv->gtt.base);
vma = i915_gem_vma_create(obj, ggtt);
if (IS_ERR(vma)) {
ret = PTR_ERR(vma);
goto err_out;
@ -389,8 +389,8 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
*/
vma->node.start = gtt_offset;
vma->node.size = size;
if (drm_mm_initialized(&dev_priv->gtt.base.mm)) {
ret = drm_mm_reserve_node(&dev_priv->gtt.base.mm, &vma->node);
if (drm_mm_initialized(&ggtt->mm)) {
ret = drm_mm_reserve_node(&ggtt->mm, &vma->node);
if (ret) {
DRM_DEBUG_KMS("failed to allocate stolen GTT space\n");
i915_gem_vma_destroy(vma);
@ -401,7 +401,7 @@ i915_gem_object_create_stolen_for_preallocated(struct drm_device *dev,
obj->has_global_gtt_mapping = 1;
list_add_tail(&obj->global_list, &dev_priv->mm.bound_list);
list_add_tail(&obj->mm_list, &vm->inactive_list);
list_add_tail(&obj->mm_list, &ggtt->inactive_list);
return obj;