Prep work to make Chris Wilson's unbound tracking patch a bit easier
to read. Alas, I'd have preferred that moving the page allocation
retry loop from bind to get_pages would have been a separate patch,
too. But that looks like real work ;-)
Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
---
drivers/gpu/drm/i915/i915_gem.c | 116 +++++++++++++++++++--------------------
1 file changed, 58 insertions(+), 58 deletions(-)
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 0514593..0f70c2a 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -1340,6 +1340,64 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void
*data,
return i915_gem_mmap_gtt(file, dev, args->handle, &args->offset);
}
+/* Immediately discard the backing storage */
+static void
+i915_gem_object_truncate(struct drm_i915_gem_object *obj)
+{
+ struct inode *inode;
+
+ /* Our goal here is to return as much of the memory as
+ * is possible back to the system as we are called from OOM.
+ * To do this we must instruct the shmfs to drop all of its
+ * backing pages, *now*.
+ */
+ inode = obj->base.filp->f_path.dentry->d_inode;
+ shmem_truncate_range(inode, 0, (loff_t)-1);
+
+ if (obj->base.map_list.map)
+ drm_gem_free_mmap_offset(&obj->base);
+
+ obj->madv = __I915_MADV_PURGED;
+}
+
+static inline int
+i915_gem_object_is_purgeable(struct drm_i915_gem_object *obj)
+{
+ return obj->madv == I915_MADV_DONTNEED;
+}
+
+static void
+i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj)
+{
+ int page_count = obj->base.size / PAGE_SIZE;
+ int i;
+
+ if (!obj->pages)
+ return;
+
+ BUG_ON(obj->madv == __I915_MADV_PURGED);
+
+ if (i915_gem_object_needs_bit17_swizzle(obj))
+ i915_gem_object_save_bit_17_swizzle(obj);
+
+ if (obj->madv == I915_MADV_DONTNEED)
+ obj->dirty = 0;
+
+ for (i = 0; i < page_count; i++) {
+ if (obj->dirty)
+ set_page_dirty(obj->pages[i]);
+
+ if (obj->madv == I915_MADV_WILLNEED)
+ mark_page_accessed(obj->pages[i]);
+
+ page_cache_release(obj->pages[i]);
+ }
+ obj->dirty = 0;
+
+ drm_free_large(obj->pages);
+ obj->pages = NULL;
+}
+
int
i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj,
gfp_t gfpmask)
@@ -1387,38 +1445,6 @@ err_pages:
return PTR_ERR(page);
}
-static void
-i915_gem_object_put_pages_gtt(struct drm_i915_gem_object *obj)
-{
- int page_count = obj->base.size / PAGE_SIZE;
- int i;
-
- if (!obj->pages)
- return;
-
- BUG_ON(obj->madv == __I915_MADV_PURGED);
-
- if (i915_gem_object_needs_bit17_swizzle(obj))
- i915_gem_object_save_bit_17_swizzle(obj);
-
- if (obj->madv == I915_MADV_DONTNEED)
- obj->dirty = 0;
-
- for (i = 0; i < page_count; i++) {
- if (obj->dirty)
- set_page_dirty(obj->pages[i]);
-
- if (obj->madv == I915_MADV_WILLNEED)
- mark_page_accessed(obj->pages[i]);
-
- page_cache_release(obj->pages[i]);
- }
- obj->dirty = 0;
-
- drm_free_large(obj->pages);
- obj->pages = NULL;
-}
-
void
i915_gem_object_move_to_active(struct drm_i915_gem_object *obj,
struct intel_ring_buffer *ring,
@@ -1486,32 +1512,6 @@ i915_gem_object_move_to_inactive(struct
drm_i915_gem_object *obj)
WARN_ON(i915_verify_lists(dev));
}
-/* Immediately discard the backing storage */
-static void
-i915_gem_object_truncate(struct drm_i915_gem_object *obj)
-{
- struct inode *inode;
-
- /* Our goal here is to return as much of the memory as
- * is possible back to the system as we are called from OOM.
- * To do this we must instruct the shmfs to drop all of its
- * backing pages, *now*.
- */
- inode = obj->base.filp->f_path.dentry->d_inode;
- shmem_truncate_range(inode, 0, (loff_t)-1);
-
- if (obj->base.map_list.map)
- drm_gem_free_mmap_offset(&obj->base);
-
- obj->madv = __I915_MADV_PURGED;
-}
-
-static inline int
-i915_gem_object_is_purgeable(struct drm_i915_gem_object *obj)
-{
- return obj->madv == I915_MADV_DONTNEED;
-}
-
static u32
i915_gem_get_seqno(struct drm_device *dev)
{
--
1.7.10.4
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