igt/gem_mmap_gtt: Check coherency between GTT and CPU mmappings with LLC

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/lib/ioctl_wrappers.h b/lib/ioctl_wrappers.h
index 310d82ea..b1deedf5 100644
--- a/lib/ioctl_wrappers.h
+++ b/lib/ioctl_wrappers.h
@@ -78,6 +78,7 @@ void gem_sw_finish(int fd, uint32_t handle);
 bool gem_bo_busy(int fd, uint32_t handle);
 
 /* feature test helpers */
+bool gem_has_llc(int fd);
 int gem_get_num_rings(int fd);
 bool gem_has_enable_ring(int fd,int param);
 bool gem_has_bsd(int fd);