diff options
| -rw-r--r-- | drivers/gpu/drm/i915/i915_gem.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index ed9311aaabe7..71dd0305eb32 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -1902,6 +1902,9 @@ i915_gem_object_get_pages_gtt(struct drm_i915_gem_object *obj) sg->length += PAGE_SIZE; } last_pfn = page_to_pfn(page); + + /* Check that the i965g/gm workaround works. */ + WARN_ON((gfp & __GFP_DMA32) && (last_pfn >= 0x00100000UL)); } #ifdef CONFIG_SWIOTLB if (!swiotlb_nr_tbl()) |