[igt-dev] [PATCH i-g-t] lib/igt_draw: Change MOCS settings for MTL

Jeevan B jeevan.b at intel.com
Thu Dec 15 08:19:34 UTC 2022


On MTL, we want the table entry labelled "UC (GO:Mem)"
which has index 5.  This means that the MOCS value is 10.

Signed-off-by: Jeevan B <jeevan.b at intel.com>
---
 lib/igt_draw.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/igt_draw.c b/lib/igt_draw.c
index 975d65cd..d8cc60f9 100644
--- a/lib/igt_draw.c
+++ b/lib/igt_draw.c
@@ -703,7 +703,10 @@ static void draw_rect_blt(int fd, struct cmd_data *cmd_data,
 
 		intel_bb_out(ibb, XY_FAST_COLOR_BLT | blt_cmd_depth);
 		/* DG2 MOCS entry 2 is "UC - Non-Coherent; GO:Memory" */
-		intel_bb_out(ibb, blt_cmd_tiling | 2 << 21 | (pitch-1));
+		if (IS_METEORLAKE(intel_get_drm_devid(fd)))
+			intel_bb_out(ibb, blt_cmd_tiling | 10 << 21 | (pitch-1));
+		else
+			intel_bb_out(ibb, blt_cmd_tiling | 2 << 21 | (pitch-1));
 		intel_bb_out(ibb, (rect->y << 16) | rect->x);
 		intel_bb_out(ibb, ((rect->y + rect->h) << 16) | (rect->x + rect->w));
 		intel_bb_emit_reloc_fenced(ibb, dst->handle, 0,
-- 
2.36.0



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