Mesa (master): i965/skl: Allocate 16 DWords for SURFACE_STATE on Skylake.

[Kenneth Graunke]

Module: Mesa
Branch: master
Commit: 1df496edb9254d5060288d27114211fd21c02ece
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=1df496edb9254d5060288d27114211fd21c02ece

Author: Kenneth Graunke <kenneth at whitecape.org>
Date:   Thu Apr 24 13:54:14 2014 -0700

i965/skl: Allocate 16 DWords for SURFACE_STATE on Skylake.

Otherwise they overlap and horrible things happen.  All the new DWords
are for fast color clear values, which we don't do yet.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Kristian Høgsberg <krh at bitplanet.net>
Reviewed-by: Anuj Phogat <anuj.phogat at gmail.com>

---

 src/mesa/drivers/dri/i965/gen8_surface_state.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mesa/drivers/dri/i965/gen8_surface_state.c b/src/mesa/drivers/dri/i965/gen8_surface_state.c
index 269d9aa..de0e9fe 100644
--- a/src/mesa/drivers/dri/i965/gen8_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_surface_state.c
@@ -84,7 +84,7 @@ horizontal_alignment(struct intel_mipmap_tree *mt)
 static uint32_t *
 allocate_surface_state(struct brw_context *brw, uint32_t *out_offset)
 {
-   int dwords = 13;
+   int dwords = brw->gen >= 9 ? 16 : 13;
    uint32_t *surf = brw_state_batch(brw, AUB_TRACE_SURFACE_STATE,
                                     dwords * 4, 64, out_offset);
    memset(surf, 0, dwords * 4);