[igt-dev] [PATCH i-g-t v2 2/3] lib: Update surface state to set MOCS and coherency.

[Tomasz Lis]

From: "Lis, Tomasz" <tomasz.lis at intel.com>

Having LLC cache enabled by MOCS is required to perform coherency tests.
Surface coherency type needs to be set as well for that test.

Cc: Joonas Lahtinen <joonas.lahtinen at linux.intel.com>
Cc: Chris Wilson <chris at chris-wilson.co.uk>
Cc: Michal Winiarski <michal.winiarski at intel.com>

Signed-off-by: Tomasz Lis <tomasz.lis at intel.com>
---
 lib/gpu_cmds.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/gpu_cmds.c b/lib/gpu_cmds.c
index 556a94c..d9c6fa1 100644
--- a/lib/gpu_cmds.c
+++ b/lib/gpu_cmds.c
@@ -376,6 +376,9 @@ gen8_fill_surface_state(struct intel_batchbuffer *batch,
 	ss->ss2.width  = igt_buf_width(buf) - 1;
 	ss->ss3.pitch  = buf->stride - 1;
 
+	ss->ss1.memory_object_control = 2;
+	ss->ss5.coherency_type = 1;
+
 	ss->ss7.shader_chanel_select_r = 4;
 	ss->ss7.shader_chanel_select_g = 5;
 	ss->ss7.shader_chanel_select_b = 6;
-- 
2.7.4