drm/i915/lmem: add the fake lmem region

[linux-2.6-microblaze.git] / drivers / gpu / drm / i915 / gem / i915_gem_lmem.c

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
index 926f6c9..0e2bf6b 100644 (file)
--- a/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_lmem.c
@@ -24,6 +24,7 @@ i915_gem_object_lmem_io_map_page(struct drm_i915_gem_object *obj,
        resource_size_t offset;
 
        offset = i915_gem_object_get_dma_address(obj, n);
+       offset -= obj->mm.region->region.start;
 
        return io_mapping_map_wc(&obj->mm.region->iomap, offset, PAGE_SIZE);
 }
@@ -35,6 +36,7 @@ i915_gem_object_lmem_io_map_page_atomic(struct drm_i915_gem_object *obj,
        resource_size_t offset;
 
        offset = i915_gem_object_get_dma_address(obj, n);
+       offset -= obj->mm.region->region.start;
 
        return io_mapping_map_atomic_wc(&obj->mm.region->iomap, offset);
 }
@@ -49,6 +51,7 @@ i915_gem_object_lmem_io_map(struct drm_i915_gem_object *obj,
        GEM_BUG_ON(!i915_gem_object_is_contiguous(obj));
 
        offset = i915_gem_object_get_dma_address(obj, n);
+       offset -= obj->mm.region->region.start;
 
        return io_mapping_map_wc(&obj->mm.region->iomap, offset, size);
 }