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path: root/drivers/gpu/drm/i915/i915_gem_internal.c
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Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_internal.c')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_internal.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_internal.c b/drivers/gpu/drm/i915/i915_gem_internal.c
index c1f64ddaf8aa..ee83ec838ee7 100644
--- a/drivers/gpu/drm/i915/i915_gem_internal.c
+++ b/drivers/gpu/drm/i915/i915_gem_internal.c
@@ -44,12 +44,12 @@ static void internal_free_pages(struct sg_table *st)
kfree(st);
}
-static struct sg_table *
-i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj)
+static int i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj)
{
struct drm_i915_private *i915 = to_i915(obj->base.dev);
struct sg_table *st;
struct scatterlist *sg;
+ unsigned int sg_page_sizes;
unsigned int npages;
int max_order;
gfp_t gfp;
@@ -78,16 +78,17 @@ i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj)
create_st:
st = kmalloc(sizeof(*st), GFP_KERNEL);
if (!st)
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
npages = obj->base.size / PAGE_SIZE;
if (sg_alloc_table(st, npages, GFP_KERNEL)) {
kfree(st);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
sg = st->sgl;
st->nents = 0;
+ sg_page_sizes = 0;
do {
int order = min(fls(npages) - 1, max_order);
@@ -105,6 +106,7 @@ create_st:
} while (1);
sg_set_page(sg, page, PAGE_SIZE << order, 0);
+ sg_page_sizes |= PAGE_SIZE << order;
st->nents++;
npages -= 1 << order;
@@ -132,13 +134,17 @@ create_st:
* object are only valid whilst active and pinned.
*/
obj->mm.madv = I915_MADV_DONTNEED;
- return st;
+
+ __i915_gem_object_set_pages(obj, st, sg_page_sizes);
+
+ return 0;
err:
sg_set_page(sg, NULL, 0, 0);
sg_mark_end(sg);
internal_free_pages(st);
- return ERR_PTR(-ENOMEM);
+
+ return -ENOMEM;
}
static void i915_gem_object_put_pages_internal(struct drm_i915_gem_object *obj,