[Mesa-dev] [PATCH 06/16] i965/skl: Emit extra zeros in STATE_BASE_ADDRESS on Skylake.

[Kristian Høgsberg]

From: Kenneth Graunke <kenneth at whitecape.org>

Skylake introduces a new base address for a feature we don't yet expose.
Setting these to 0 should be safe.

Signed-off-by: Kenneth Graunke <kenneth at whitecape.org>
Reviewed-by: Kristian Høgsberg <krh at bitplanet.net>
---
 src/mesa/drivers/dri/i965/gen8_misc_state.c | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/src/mesa/drivers/dri/i965/gen8_misc_state.c b/src/mesa/drivers/dri/i965/gen8_misc_state.c
index 3c27c1a..16567c2 100644
--- a/src/mesa/drivers/dri/i965/gen8_misc_state.c
+++ b/src/mesa/drivers/dri/i965/gen8_misc_state.c
@@ -31,8 +31,12 @@
  */
 static void upload_state_base_address(struct brw_context *brw)
 {
-   BEGIN_BATCH(16);
-   OUT_BATCH(CMD_STATE_BASE_ADDRESS << 16 | (16 - 2));
+   perf_debug("Missing MOCS setup for STATE_BASE_ADDRESS.");
+
+   int pkt_len = brw->gen >= 9 ? 19 : 16;
+
+   BEGIN_BATCH(pkt_len);
+   OUT_BATCH(CMD_STATE_BASE_ADDRESS << 16 | (pkt_len - 2));
    /* General state base address: stateless DP read/write requests */
    OUT_BATCH(BDW_MOCS_WB << 4 | 1);
    OUT_BATCH(0);
@@ -59,6 +63,11 @@ static void upload_state_base_address(struct brw_context *brw)
    OUT_BATCH(0xfffff001);
    /* Instruction access upper bound */
    OUT_BATCH(ALIGN(brw->cache.bo->size, 4096) | 1);
+   if (brw->gen >= 9) {
+      OUT_BATCH(1);
+      OUT_BATCH(0);
+      OUT_BATCH(0);
+   }
    ADVANCE_BATCH();
 
    brw->state.dirty.brw |= BRW_NEW_STATE_BASE_ADDRESS;
-- 
2.1.0