[Libva] [PATCH V1][libva-intel-driver] update PIPE_MODE register setting for VP9 decoding

[peng.chen]

Signed-off-by: peng.chen <peng.c.chen at intel.com>
---
 src/gen9_mfd.c | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/gen9_mfd.c b/src/gen9_mfd.c
index 3e95810..92faa4f 100644
--- a/src/gen9_mfd.c
+++ b/src/gen9_mfd.c
@@ -189,13 +189,23 @@ gen9_hcpd_pipe_mode_select(VADriverContextP ctx,
                            int codec,
                            struct gen9_hcpd_context *gen9_hcpd_context)
 {
+    struct i965_driver_data *i965 = i965_driver_data(ctx);
     struct intel_batchbuffer *batch = gen9_hcpd_context->base.batch;
 
     assert((codec == HCP_CODEC_HEVC) || (codec == HCP_CODEC_VP9));
 
-    BEGIN_BCS_BATCH(batch, 4);
+    if(IS_KBL(i965->intel.device_info))
+    {
+        BEGIN_BCS_BATCH(batch, 6);
 
-    OUT_BCS_BATCH(batch, HCP_PIPE_MODE_SELECT | (4 - 2));
+        OUT_BCS_BATCH(batch, HCP_PIPE_MODE_SELECT | (6 - 2));
+    }
+    else
+    {
+        BEGIN_BCS_BATCH(batch, 4);
+
+        OUT_BCS_BATCH(batch, HCP_PIPE_MODE_SELECT | (4 - 2));
+    }
     OUT_BCS_BATCH(batch,
                   (codec << 5) |
                   (0 << 3) | /* disable Pic Status / Error Report */
@@ -203,6 +213,16 @@ gen9_hcpd_pipe_mode_select(VADriverContextP ctx,
     OUT_BCS_BATCH(batch, 0);
     OUT_BCS_BATCH(batch, 0);
 
+    if(IS_KBL(i965->intel.device_info))
+    {
+        if(codec == HCP_CODEC_VP9)
+            OUT_BCS_BATCH(batch, 1<<6);
+        else
+            OUT_BCS_BATCH(batch, 0);
+
+        OUT_BCS_BATCH(batch, 0);
+    }
+
     ADVANCE_BCS_BATCH(batch);
 }
 
-- 
1.9.1