Merge branches 'pm-core', 'pm-qos', 'pm-domains' and 'pm-opp'

[linux.git] / drivers / gpu / drm / i915 / i915_gem_internal.c

diff --git a/drivers/gpu/drm/i915/i915_gem_internal.c b/drivers/gpu/drm/i915/i915_gem_internal.c
index 4b3ff3e5b911167557880228d5da44bb3d2616bf..d09c74973cb37a6c8d599c007ea4a53c0e0994e0 100644 (file)
--- 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;