swiotlb: Export swiotlb_max_segment to users

[mirror_ubuntu-bionic-kernel.git] / drivers / gpu / drm / i915 / i915_gem.c

diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index d0dcaf35b4298c7c58440881597b3ad4b76522f0..115fa399608cb974b5f542e546654077be60ffbc 100644 (file)
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -2290,15 +2290,6 @@ unlock:
        mutex_unlock(&obj->mm.lock);
 }
 
-static unsigned int swiotlb_max_size(void)
-{
-#if IS_ENABLED(CONFIG_SWIOTLB)
-       return rounddown(swiotlb_nr_tbl() << IO_TLB_SHIFT, PAGE_SIZE);
-#else
-       return 0;
-#endif
-}
-
 static void i915_sg_trim(struct sg_table *orig_st)
 {
        struct sg_table new_st;
@@ -2345,7 +2336,7 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj)
        GEM_BUG_ON(obj->base.read_domains & I915_GEM_GPU_DOMAINS);
        GEM_BUG_ON(obj->base.write_domain & I915_GEM_GPU_DOMAINS);
 
-       max_segment = swiotlb_max_size();
+       max_segment = swiotlb_max_segment();
        if (!max_segment)
                max_segment = rounddown(UINT_MAX, PAGE_SIZE);