diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_internal.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_internal.c | 22 |
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_internal.c b/drivers/gpu/drm/i915/i915_gem_internal.c index c1f64ddaf8aa..a1d6956734f7 100644 --- a/drivers/gpu/drm/i915/i915_gem_internal.c +++ b/drivers/gpu/drm/i915/i915_gem_internal.c @@ -27,6 +27,7 @@ #include "i915_drv.h" #define QUIET (__GFP_NORETRY | __GFP_NOWARN) +#define MAYFAIL (__GFP_RETRY_MAYFAIL | __GFP_NOWARN) /* convert swiotlb segment size into sensible units (pages)! */ #define IO_TLB_SEGPAGES (IO_TLB_SEGSIZE << IO_TLB_SHIFT >> PAGE_SHIFT) @@ -44,12 +45,12 @@ 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; @@ -78,23 +79,25 @@ 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); struct page *page; do { - page = alloc_pages(gfp | (order ? QUIET : 0), order); + page = alloc_pages(gfp | (order ? QUIET : MAYFAIL), + order); if (page) break; if (!order--) @@ -105,6 +108,7 @@ 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 +136,17 @@ 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, |