[Mesa-dev] [PATCH 1/1] iris: set default tiling mode to X-tiled

[James Xiong]

From: "Xiong, James" <james.xiong at intel.com>

UMDs such as modesetting can use legacy ADDFD which doesn't accept
Y-tiled buffer, ths patch sets the default tiling mode to X-tiled
for backward compatibility.

Signed-off-by: Xiong, James <james.xiong at intel.com>
---
 src/gallium/drivers/iris/iris_resource.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/iris/iris_resource.c b/src/gallium/drivers/iris/iris_resource.c
index d0a473f..56c9590 100644
--- a/src/gallium/drivers/iris/iris_resource.c
+++ b/src/gallium/drivers/iris/iris_resource.c
@@ -558,7 +558,8 @@ iris_resource_create_with_modifiers(struct pipe_screen *pscreen,
    uint64_t modifier =
       select_best_modifier(devinfo, modifiers, modifiers_count);
 
-   isl_tiling_flags_t tiling_flags = ISL_TILING_ANY_MASK;
+   /* Historically, X-tiled was the default */
+   isl_tiling_flags_t tiling_flags = ISL_TILING_X_BIT;
 
    if (modifier != DRM_FORMAT_MOD_INVALID) {
       res->mod_info = isl_drm_modifier_get_info(modifier);
-- 
2.7.4