diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_gem_internal.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem_internal.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_internal.c b/drivers/gpu/drm/i915/i915_gem_internal.c index 4b3ff3e5b911..d09c74973cb3 100644 --- a/drivers/gpu/drm/i915/i915_gem_internal.c +++ b/drivers/gpu/drm/i915/i915_gem_internal.c @@ -66,8 +66,16 @@ i915_gem_object_get_pages_internal(struct drm_i915_gem_object *obj) max_order = MAX_ORDER; #ifdef CONFIG_SWIOTLB - if (swiotlb_nr_tbl()) /* minimum max swiotlb size is IO_TLB_SEGSIZE */ - max_order = min(max_order, ilog2(IO_TLB_SEGPAGES)); + if (swiotlb_nr_tbl()) { + unsigned int max_segment; + + max_segment = swiotlb_max_segment(); + if (max_segment) { + max_segment = max_t(unsigned int, max_segment, + PAGE_SIZE) >> PAGE_SHIFT; + max_order = min(max_order, ilog2(max_segment)); + } + } #endif gfp = GFP_KERNEL | __GFP_HIGHMEM | __GFP_RECLAIMABLE; |