[PATCH] radeon: Allow N x 1 x 1 surfaces for evergreen+

[Tom Stellard]

From: Tom Stellard <thomas.stellard at amd.com>

This makes it possible to create a surface for a buffer.
---
 radeon/radeon_surface.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/radeon/radeon_surface.c b/radeon/radeon_surface.c
index 80b1505..235f4ae 100644
--- a/radeon/radeon_surface.c
+++ b/radeon/radeon_surface.c
@@ -686,7 +686,8 @@ static int eg_surface_sanity(struct radeon_surface_manager *surf_man,
     unsigned tileb;
 
     /* check surface dimension */
-    if (surf->npix_x > 16384 || surf->npix_y > 16384 || surf->npix_z > 16384) {
+    if ((surf->npix_x > 16384  && (surf->npix_y != 1 || surf->npix_z != 1)) ||
+        surf->npix_y > 16384 || surf->npix_z > 16384) {
         return -EINVAL;
     }
 
-- 
1.7.11.4