Update NEWS for 1.3.2 pre1
[platform/upstream/libva-intel-driver.git] / src / gen75_mfc.c
index 4eecc9c..2bfb6c2 100644 (file)
 #include "gen6_vme.h"
 #include "intel_media.h"
 
-#define MFC_SOFTWARE_HASWELL   1
+#define        AVC_INTRA_RDO_OFFSET    4
+#define        AVC_INTER_RDO_OFFSET    10
+#define        AVC_INTER_MSG_OFFSET    8
+#define        AVC_INTER_MV_OFFSET     48
+#define        AVC_RDO_MASK            0xFFFF
+
+#define        MFC_SOFTWARE_HASWELL    0
+
+#define SURFACE_STATE_PADDED_SIZE               MAX(SURFACE_STATE_PADDED_SIZE_GEN6, SURFACE_STATE_PADDED_SIZE_GEN7)
+#define SURFACE_STATE_OFFSET(index)             (SURFACE_STATE_PADDED_SIZE * index)
+#define BINDING_TABLE_OFFSET(index)             (SURFACE_STATE_OFFSET(MAX_MEDIA_SURFACES_GEN6) + sizeof(unsigned int) * index)
 
 #define B0_STEP_REV            2
 #define IS_STEPPING_BPLUS(i965)        ((i965->intel.revision) >= B0_STEP_REV)
 
-static const uint32_t gen75_mfc_batchbuffer_avc_intra[][4] = {
-#include "shaders/utils/mfc_batchbuffer_avc_intra.g7b"
-};
-
-static const uint32_t gen75_mfc_batchbuffer_avc_inter[][4] = {
-#include "shaders/utils/mfc_batchbuffer_avc_inter.g7b"
+static const uint32_t gen75_mfc_batchbuffer_avc[][4] = {
+#include "shaders/utils/mfc_batchbuffer_hsw.g75b"
 };
 
 static struct i965_kernel gen75_mfc_kernels[] = {
     {
         "MFC AVC INTRA BATCHBUFFER ",
         MFC_BATCHBUFFER_AVC_INTRA,
-        gen75_mfc_batchbuffer_avc_intra,
-        sizeof(gen75_mfc_batchbuffer_avc_intra),
-        NULL
-    },
-
-    {
-        "MFC AVC INTER BATCHBUFFER ",
-        MFC_BATCHBUFFER_AVC_INTER,
-        gen75_mfc_batchbuffer_avc_inter,
-        sizeof(gen75_mfc_batchbuffer_avc_inter),
+        gen75_mfc_batchbuffer_avc,
+        sizeof(gen75_mfc_batchbuffer_avc),
         NULL
     },
 };
@@ -261,7 +259,7 @@ gen75_mfc_avc_img_state(VADriverContextP ctx, struct encode_state *encode_state,
     OUT_BCS_BATCH(batch, MFX_AVC_IMG_STATE | (16 - 2));
     /*DW1. MB setting of frame */
     OUT_BCS_BATCH(batch,
-                  ((width_in_mbs * height_in_mbs) & 0xFFFF));
+                  ((width_in_mbs * height_in_mbs - 1) & 0xFFFF));
     OUT_BCS_BATCH(batch, 
                   ((height_in_mbs - 1) << 16) | 
                   ((width_in_mbs - 1) << 0));
@@ -427,6 +425,7 @@ static void gen75_mfc_init(VADriverContextP ctx,
     int i;
     int width_in_mbs = 0;
     int height_in_mbs = 0;
+    int slice_batchbuffer_size;
 
     if (encoder_context->codec == CODEC_H264) {
         VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
@@ -441,6 +440,9 @@ static void gen75_mfc_init(VADriverContextP ctx,
         height_in_mbs = ALIGN(pSequenceParameter->picture_height, 16) / 16;
     }
 
+    slice_batchbuffer_size = 64 * width_in_mbs * height_in_mbs + 4096 +
+               (SLICE_HEADER + SLICE_TAIL) * encode_state->num_slice_params_ext;
+
     /*Encode common setup for MFC*/
     dri_bo_unreference(mfc_context->post_deblocking_output.bo);
     mfc_context->post_deblocking_output.bo = NULL;
@@ -507,7 +509,8 @@ static void gen75_mfc_init(VADriverContextP ctx,
     if (mfc_context->aux_batchbuffer)
         intel_batchbuffer_free(mfc_context->aux_batchbuffer);
 
-    mfc_context->aux_batchbuffer = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD, 0);
+    mfc_context->aux_batchbuffer = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD,
+                                                       slice_batchbuffer_size);
     mfc_context->aux_batchbuffer_surface.bo = mfc_context->aux_batchbuffer->buffer;
     dri_bo_reference(mfc_context->aux_batchbuffer_surface.bo);
     mfc_context->aux_batchbuffer_surface.pitch = 16;
@@ -887,19 +890,32 @@ gen75_mfc_avc_slice_state(VADriverContextP ctx,
     int maxQpN, maxQpP;
     unsigned char correct[6], grow, shrink;
     int i;
-    int bslice = 0;
     int weighted_pred_idc = 0;
     unsigned int luma_log2_weight_denom = slice_param->luma_log2_weight_denom;
     unsigned int chroma_log2_weight_denom = slice_param->chroma_log2_weight_denom;
+    int num_ref_l0 = 0, num_ref_l1 = 0;
 
     if (batch == NULL)
         batch = encoder_context->base.batch;
 
-    if (slice_type == SLICE_TYPE_P) {
+    if (slice_type == SLICE_TYPE_I) {
+        luma_log2_weight_denom = 0;
+        chroma_log2_weight_denom = 0;
+    } else if (slice_type == SLICE_TYPE_P) {
         weighted_pred_idc = pic_param->pic_fields.bits.weighted_pred_flag;
+        num_ref_l0 = pic_param->num_ref_idx_l0_active_minus1 + 1;
+
+        if (slice_param->num_ref_idx_active_override_flag)
+            num_ref_l0 = slice_param->num_ref_idx_l0_active_minus1 + 1;
     } else if (slice_type == SLICE_TYPE_B) {
         weighted_pred_idc = pic_param->pic_fields.bits.weighted_bipred_idc;
-       bslice = 1;
+        num_ref_l0 = pic_param->num_ref_idx_l0_active_minus1 + 1;
+        num_ref_l1 = pic_param->num_ref_idx_l1_active_minus1 + 1;
+
+        if (slice_param->num_ref_idx_active_override_flag) {
+            num_ref_l0 = slice_param->num_ref_idx_l0_active_minus1 + 1;
+            num_ref_l1 = slice_param->num_ref_idx_l1_active_minus1 + 1;
+        }
 
         if (weighted_pred_idc == 2) {
             /* 8.4.3 - Derivation process for prediction weights (8-279) */
@@ -924,14 +940,11 @@ gen75_mfc_avc_slice_state(VADriverContextP ctx,
     OUT_BCS_BATCH(batch, MFX_AVC_SLICE_STATE | (11 - 2) );
     OUT_BCS_BATCH(batch, slice_type);                  /*Slice Type: I:P:B Slice*/
 
-    if (slice_type == SLICE_TYPE_I) {
-        OUT_BCS_BATCH(batch, 0);                       /*no reference frames and pred_weight_table*/
-    } else {
-        OUT_BCS_BATCH(batch,
-                      (1 << 16) | (bslice << 24) |                     /*1 reference frame*/
-                      (chroma_log2_weight_denom << 8) |
-                      (luma_log2_weight_denom << 0));
-    }
+    OUT_BCS_BATCH(batch,
+                  (num_ref_l0 << 16) |
+                  (num_ref_l1 << 24) |
+                  (chroma_log2_weight_denom << 8) |
+                  (luma_log2_weight_denom << 0));
 
     OUT_BCS_BATCH(batch, 
                   (weighted_pred_idc << 30) |
@@ -981,7 +994,7 @@ gen75_mfc_avc_slice_state(VADriverContextP ctx,
 }
 
 
-#ifdef MFC_SOFTWARE_HASWELL
+#if MFC_SOFTWARE_HASWELL
 
 static int
 gen75_mfc_avc_pak_object_intra(VADriverContextP ctx, int x, int y, int end_mb,
@@ -1040,6 +1053,7 @@ gen75_mfc_avc_pak_object_inter(VADriverContextP ctx, int x, int y, int end_mb, i
                                unsigned char target_mb_size,unsigned char max_mb_size, int slice_type,
                                struct intel_batchbuffer *batch)
 {
+    struct gen6_vme_context *vme_context = encoder_context->vme_context;
     int len_in_dwords = 12;
     unsigned int inter_msg = 0;
     if (batch == NULL)
@@ -1117,8 +1131,8 @@ gen75_mfc_avc_pak_object_inter(VADriverContextP ctx, int x, int y, int end_mb, i
     inter_msg = msg[1] >> 8;
     /*Stuff for Inter MB*/
     OUT_BCS_BATCH(batch, inter_msg);        
-    OUT_BCS_BATCH(batch, 0x0);    
-    OUT_BCS_BATCH(batch, 0x0);        
+    OUT_BCS_BATCH(batch, vme_context->ref_index_in_mb[0]);
+    OUT_BCS_BATCH(batch, vme_context->ref_index_in_mb[1]);
 
     /*MaxSizeInWord and TargetSzieInWord*/
     OUT_BCS_BATCH(batch, (max_mb_size << 24) |
@@ -1131,12 +1145,6 @@ gen75_mfc_avc_pak_object_inter(VADriverContextP ctx, int x, int y, int end_mb, i
     return len_in_dwords;
 }
 
-#define                AVC_INTRA_RDO_OFFSET    4
-#define                AVC_INTER_RDO_OFFSET    10
-#define                AVC_INTER_MSG_OFFSET    8       
-#define                AVC_INTER_MV_OFFSET             48
-#define                AVC_RDO_MASK            0xFFFF
-
 static void 
 gen75_mfc_avc_pipeline_slice_programing(VADriverContextP ctx,
                                         struct encode_state *encode_state,
@@ -1245,17 +1253,14 @@ gen75_mfc_avc_software_batchbuffer(VADriverContextP ctx,
                                    struct encode_state *encode_state,
                                    struct intel_encoder_context *encoder_context)
 {
+    struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
     struct i965_driver_data *i965 = i965_driver_data(ctx);
     struct intel_batchbuffer *batch;
     dri_bo *batch_bo;
     int i;
     int buffer_size;
-    VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
-    int width_in_mbs = pSequenceParameter->picture_width_in_mbs;
-    int height_in_mbs = pSequenceParameter->picture_height_in_mbs;
 
-    buffer_size = width_in_mbs * height_in_mbs * 64;
-    batch = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD, buffer_size);
+    batch = mfc_context->aux_batchbuffer;
     batch_bo = batch->buffer;
     for (i = 0; i < encode_state->num_slice_params_ext; i++) {
         gen75_mfc_avc_pipeline_slice_programing(ctx, encode_state, encoder_context, i, batch);
@@ -1269,7 +1274,9 @@ gen75_mfc_avc_software_batchbuffer(VADriverContextP ctx,
     ADVANCE_BCS_BATCH(batch);
 
     dri_bo_reference(batch_bo);
+
     intel_batchbuffer_free(batch);
+    mfc_context->aux_batchbuffer = NULL;
 
     return batch_bo;
 }
@@ -1291,12 +1298,6 @@ gen75_mfc_batchbuffer_surfaces_input(VADriverContextP ctx,
                                      &vme_context->vme_output,
                                      BINDING_TABLE_OFFSET(BIND_IDX_VME_OUTPUT),
                                      SURFACE_STATE_OFFSET(BIND_IDX_VME_OUTPUT));
-    assert(mfc_context->aux_batchbuffer_surface.bo);
-    mfc_context->buffer_suface_setup(ctx,
-                                     &mfc_context->gpe_context,
-                                     &mfc_context->aux_batchbuffer_surface,
-                                     BINDING_TABLE_OFFSET(BIND_IDX_MFC_SLICE_HEADER),
-                                     SURFACE_STATE_OFFSET(BIND_IDX_MFC_SLICE_HEADER));
 }
 
 static void
@@ -1305,21 +1306,11 @@ gen75_mfc_batchbuffer_surfaces_output(VADriverContextP ctx,
                                       struct intel_encoder_context *encoder_context)
 
 {
-    struct i965_driver_data *i965 = i965_driver_data(ctx);
     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
-    VAEncSequenceParameterBufferH264 *pSequenceParameter = (VAEncSequenceParameterBufferH264 *)encode_state->seq_param_ext->buffer;
-    int width_in_mbs = pSequenceParameter->picture_width_in_mbs;
-    int height_in_mbs = pSequenceParameter->picture_height_in_mbs;
-    mfc_context->mfc_batchbuffer_surface.num_blocks = width_in_mbs * height_in_mbs + encode_state->num_slice_params_ext * 8 + 1;
-    mfc_context->mfc_batchbuffer_surface.size_block = 16 * CMD_LEN_IN_OWORD; /* 3 OWORDs */
-    mfc_context->mfc_batchbuffer_surface.pitch = 16;
-    mfc_context->mfc_batchbuffer_surface.bo = dri_bo_alloc(i965->intel.bufmgr, 
-                                                           "MFC batchbuffer",
-                                                           mfc_context->mfc_batchbuffer_surface.num_blocks * mfc_context->mfc_batchbuffer_surface.size_block,
-                                                           0x1000);
+    assert(mfc_context->aux_batchbuffer_surface.bo);
     mfc_context->buffer_suface_setup(ctx,
                                      &mfc_context->gpe_context,
-                                     &mfc_context->mfc_batchbuffer_surface,
+                                     &mfc_context->aux_batchbuffer_surface,
                                      BINDING_TABLE_OFFSET(BIND_IDX_MFC_BATCHBUFFER),
                                      SURFACE_STATE_OFFSET(BIND_IDX_MFC_BATCHBUFFER));
 }
@@ -1386,48 +1377,47 @@ gen75_mfc_batchbuffer_constant_setup(VADriverContextP ctx,
     (void)mfc_context;
 }
 
+#define AVC_PAK_LEN_IN_BYTE    48
+#define AVC_PAK_LEN_IN_OWORD   3
+
 static void
 gen75_mfc_batchbuffer_emit_object_command(struct intel_batchbuffer *batch,
-                                          int index,
+                                          uint32_t intra_flag,
                                           int head_offset,
-                                          int batchbuffer_offset,
-                                          int head_size,
-                                          int tail_size,
                                           int number_mb_cmds,
-                                          int first_object,
-                                          int last_object,
-                                          int last_slice,
+                                          int slice_end_x,
+                                          int slice_end_y,
                                           int mb_x,
                                           int mb_y,
                                           int width_in_mbs,
-                                          int qp)
+                                          int qp,
+                                         uint32_t fwd_ref,
+                                         uint32_t bwd_ref)
 {
-    BEGIN_BATCH(batch, 12);
+    uint32_t temp_value;
+    BEGIN_BATCH(batch, 14);
     
-    OUT_BATCH(batch, CMD_MEDIA_OBJECT | (12 - 2));
-    OUT_BATCH(batch, index);
+    OUT_BATCH(batch, CMD_MEDIA_OBJECT | (14 - 2));
+    OUT_BATCH(batch, 0);
     OUT_BATCH(batch, 0);
     OUT_BATCH(batch, 0);
     OUT_BATCH(batch, 0);
     OUT_BATCH(batch, 0);
    
     /*inline data */
-    OUT_BATCH(batch, head_offset);
-    OUT_BATCH(batch, batchbuffer_offset);
-    OUT_BATCH(batch, 
-              head_size << 16 |
-              tail_size);
-    OUT_BATCH(batch,
-              number_mb_cmds << 16 |
-              first_object << 2 |
-              last_object << 1 |
-              last_slice);
-    OUT_BATCH(batch,
-              mb_y << 8 |
-              mb_x);
+    OUT_BATCH(batch, head_offset / 16);
+    OUT_BATCH(batch, (intra_flag) | (qp << 16));
+    temp_value = (mb_x | (mb_y << 8) | (width_in_mbs << 16));
+    OUT_BATCH(batch, temp_value);
+
+    OUT_BATCH(batch, number_mb_cmds);
+
     OUT_BATCH(batch,
-              qp << 16 |
-              width_in_mbs);
+              ((slice_end_y << 8) | (slice_end_x)));
+    OUT_BATCH(batch, fwd_ref);
+    OUT_BATCH(batch, bwd_ref);
+
+    OUT_BATCH(batch, MI_NOOP);
 
     ADVANCE_BATCH(batch);
 }
@@ -1437,96 +1427,82 @@ gen75_mfc_avc_batchbuffer_slice_command(VADriverContextP ctx,
                                         struct intel_encoder_context *encoder_context,
                                         VAEncSliceParameterBufferH264 *slice_param,
                                         int head_offset,
-                                        unsigned short head_size,
-                                        unsigned short tail_size,
-                                        int batchbuffer_offset,
                                         int qp,
                                         int last_slice)
 {
     struct intel_batchbuffer *batch = encoder_context->base.batch;
+    struct gen6_vme_context *vme_context = encoder_context->vme_context;
     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
     int width_in_mbs = (mfc_context->surface_state.width + 15) / 16;
     int total_mbs = slice_param->num_macroblocks;
+    int slice_type = intel_avc_enc_slice_type_fixup(slice_param->slice_type);
     int number_mb_cmds = 128;
-    int starting_mb = 0;
-    int last_object = 0;
-    int first_object = 1;
-    int i;
+    int starting_offset = 0;
     int mb_x, mb_y;
-    int index = (slice_param->slice_type == SLICE_TYPE_I) ? MFC_BATCHBUFFER_AVC_INTRA : MFC_BATCHBUFFER_AVC_INTER;
-
-    for (i = 0; i < total_mbs / number_mb_cmds; i++) {
-        last_object = (total_mbs - starting_mb) == number_mb_cmds;
-        mb_x = (slice_param->macroblock_address + starting_mb) % width_in_mbs;
-        mb_y = (slice_param->macroblock_address + starting_mb) / width_in_mbs;
-        assert(mb_x <= 255 && mb_y <= 255);
-
-        starting_mb += number_mb_cmds;
-
-        gen75_mfc_batchbuffer_emit_object_command(batch,
-                                                  index,
-                                                  head_offset,
-                                                  batchbuffer_offset,
-                                                  head_size,
-                                                  tail_size,
-                                                  number_mb_cmds,
-                                                  first_object,
-                                                  last_object,
-                                                  last_slice,
-                                                  mb_x,
-                                                  mb_y,
-                                                  width_in_mbs,
-                                                  qp);
-
-        if (first_object) {
-            head_offset += head_size;
-            batchbuffer_offset += head_size;
-        }
+    int last_mb, slice_end_x, slice_end_y;
+    int remaining_mb = total_mbs;
+    uint32_t fwd_ref , bwd_ref, mb_flag;
 
-        if (last_object) {
-            head_offset += tail_size;
-            batchbuffer_offset += tail_size;
-        }
+    last_mb = slice_param->macroblock_address + total_mbs - 1;
+    slice_end_x = last_mb % width_in_mbs;
+    slice_end_y = last_mb / width_in_mbs;
 
-        batchbuffer_offset += number_mb_cmds * CMD_LEN_IN_OWORD;
+    if (slice_type == SLICE_TYPE_I) {
+       fwd_ref = 0;
+       bwd_ref = 0;
+       mb_flag = 1;
+    } else {
+       fwd_ref = vme_context->ref_index_in_mb[0];
+       bwd_ref = vme_context->ref_index_in_mb[1];
+       mb_flag = 0;
+    }
 
-        first_object = 0;
+    if (width_in_mbs >= 100) {
+       number_mb_cmds = width_in_mbs / 5;
+    } else if (width_in_mbs >= 80) {
+       number_mb_cmds = width_in_mbs / 4;
+    } else if (width_in_mbs >= 60) {
+       number_mb_cmds = width_in_mbs / 3;
+    } else if (width_in_mbs >= 40) {
+       number_mb_cmds = width_in_mbs / 2;
+    } else {
+       number_mb_cmds = width_in_mbs;
     }
 
-    if (!last_object) {
-        last_object = 1;
-        number_mb_cmds = total_mbs % number_mb_cmds;
-        mb_x = (slice_param->macroblock_address + starting_mb) % width_in_mbs;
-        mb_y = (slice_param->macroblock_address + starting_mb) / width_in_mbs;
-        assert(mb_x <= 255 && mb_y <= 255);
-        starting_mb += number_mb_cmds;
+    do {
+       if (number_mb_cmds >= remaining_mb) {
+               number_mb_cmds = remaining_mb;
+       }
+       mb_x = (slice_param->macroblock_address + starting_offset) % width_in_mbs;
+       mb_y = (slice_param->macroblock_address + starting_offset) / width_in_mbs;
 
         gen75_mfc_batchbuffer_emit_object_command(batch,
-                                                  index,
+                                                 mb_flag,
                                                   head_offset,
-                                                  batchbuffer_offset,
-                                                  head_size,
-                                                  tail_size,
                                                   number_mb_cmds,
-                                                  first_object,
-                                                  last_object,
-                                                  last_slice,
+                                                 slice_end_x,
+                                                 slice_end_y,
                                                   mb_x,
                                                   mb_y,
                                                   width_in_mbs,
-                                                  qp);
-    }
+                                                  qp,
+                                                 fwd_ref,
+                                                 bwd_ref);
+
+       head_offset += (number_mb_cmds * AVC_PAK_LEN_IN_BYTE);
+       remaining_mb -= number_mb_cmds;
+       starting_offset += number_mb_cmds;
+    } while (remaining_mb > 0);
 }
                           
 /*
  * return size in Owords (16bytes)
  */         
-static int
+static void
 gen75_mfc_avc_batchbuffer_slice(VADriverContextP ctx,
                                 struct encode_state *encode_state,
                                 struct intel_encoder_context *encoder_context,
-                                int slice_index,
-                                int batchbuffer_offset)
+                                int slice_index)
 {
     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
     struct intel_batchbuffer *slice_batch = mfc_context->aux_batchbuffer;
@@ -1542,8 +1518,6 @@ gen75_mfc_avc_batchbuffer_slice(VADriverContextP ctx,
     int slice_header_length_in_bits = 0;
     unsigned int tail_data[] = { 0x0, 0x0 };
     long head_offset;
-    int old_used = intel_batchbuffer_used_size(slice_batch), used;
-    unsigned short head_size, tail_size;
     int slice_type = intel_avc_enc_slice_type_fixup(pSliceParameter->slice_type);
 
     if (rate_control_mode == VA_RC_CBR) {
@@ -1557,7 +1531,6 @@ gen75_mfc_avc_batchbuffer_slice(VADriverContextP ctx,
     assert(pPicParameter->pic_init_qp >= 0 && pPicParameter->pic_init_qp < 52);
     assert(qp >= 0 && qp < 52);
 
-    head_offset = old_used / 16;
     gen75_mfc_avc_slice_state(ctx,
                               pPicParameter,
                               pSliceParameter,
@@ -1586,11 +1559,20 @@ gen75_mfc_avc_batchbuffer_slice(VADriverContextP ctx,
     free(slice_header);
 
     intel_batchbuffer_align(slice_batch, 16); /* aligned by an Oword */
-    used = intel_batchbuffer_used_size(slice_batch);
-    head_size = (used - old_used) / 16;
-    old_used = used;
+    head_offset = intel_batchbuffer_used_size(slice_batch);
+
+    slice_batch->ptr += pSliceParameter->num_macroblocks * AVC_PAK_LEN_IN_BYTE;
+
+    gen75_mfc_avc_batchbuffer_slice_command(ctx,
+                                            encoder_context,
+                                            pSliceParameter,
+                                            head_offset,
+                                            qp,
+                                            last_slice);
+
 
-    /* tail */
+    /* Aligned for tail */
+    intel_batchbuffer_align(slice_batch, 16); /* aligned by an Oword */
     if (last_slice) {    
         mfc_context->insert_object(ctx,
                                    encoder_context,
@@ -1615,22 +1597,7 @@ gen75_mfc_avc_batchbuffer_slice(VADriverContextP ctx,
                                    slice_batch);
     }
 
-    intel_batchbuffer_align(slice_batch, 16); /* aligned by an Oword */
-    used = intel_batchbuffer_used_size(slice_batch);
-    tail_size = (used - old_used) / 16;
-
-   
-    gen75_mfc_avc_batchbuffer_slice_command(ctx,
-                                            encoder_context,
-                                            pSliceParameter,
-                                            head_offset,
-                                            head_size,
-                                            tail_size,
-                                            batchbuffer_offset,
-                                            qp,
-                                            last_slice);
-
-    return head_size + tail_size + pSliceParameter->num_macroblocks * CMD_LEN_IN_OWORD;
+    return;
 }
 
 static void
@@ -1640,15 +1607,23 @@ gen75_mfc_avc_batchbuffer_pipeline(VADriverContextP ctx,
 {
     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
     struct intel_batchbuffer *batch = encoder_context->base.batch;
-    int i, size, offset = 0;
+    int i;
     intel_batchbuffer_start_atomic(batch, 0x4000); 
     gen6_gpe_pipeline_setup(ctx, &mfc_context->gpe_context, batch);
 
     for ( i = 0; i < encode_state->num_slice_params_ext; i++) {
-        size = gen75_mfc_avc_batchbuffer_slice(ctx, encode_state, encoder_context, i, offset);
-        offset += size;
+        gen75_mfc_avc_batchbuffer_slice(ctx, encode_state, encoder_context, i);
+    }
+    {
+       struct intel_batchbuffer *slice_batch = mfc_context->aux_batchbuffer;
+       intel_batchbuffer_align(slice_batch, 8);
+       BEGIN_BCS_BATCH(slice_batch, 2);
+       OUT_BCS_BATCH(slice_batch, 0);
+       OUT_BCS_BATCH(slice_batch, MI_BATCH_BUFFER_END);
+       ADVANCE_BCS_BATCH(slice_batch);
+       mfc_context->aux_batchbuffer = NULL;
+       intel_batchbuffer_free(slice_batch);
     }
-
     intel_batchbuffer_end_atomic(batch);
     intel_batchbuffer_flush(batch);
 }
@@ -1671,10 +1646,10 @@ gen75_mfc_avc_hardware_batchbuffer(VADriverContextP ctx,
 {
     struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
 
+    dri_bo_reference(mfc_context->aux_batchbuffer_surface.bo);
     gen75_mfc_build_avc_batchbuffer(ctx, encode_state, encoder_context);
-    dri_bo_reference(mfc_context->mfc_batchbuffer_surface.bo);
 
-    return mfc_context->mfc_batchbuffer_surface.bo;
+    return mfc_context->aux_batchbuffer_surface.bo;
 }
 
 #endif
@@ -1693,7 +1668,7 @@ gen75_mfc_avc_pipeline_programing(VADriverContextP ctx,
         return; 
     }
 
-#ifdef MFC_SOFTWARE_HASWELL
+#if MFC_SOFTWARE_HASWELL
     slice_batch_bo = gen75_mfc_avc_software_batchbuffer(ctx, encode_state, encoder_context);
 #else
     slice_batch_bo = gen75_mfc_avc_hardware_batchbuffer(ctx, encode_state, encoder_context);
@@ -2323,18 +2298,13 @@ gen75_mfc_mpeg2_software_slice_batchbuffer(VADriverContextP ctx,
                                            struct encode_state *encode_state,
                                            struct intel_encoder_context *encoder_context)
 {
-    struct i965_driver_data *i965 = i965_driver_data(ctx);
+    struct gen6_mfc_context *mfc_context = encoder_context->mfc_context;
     struct intel_batchbuffer *batch;
-    VAEncSequenceParameterBufferMPEG2 *seq_param = (VAEncSequenceParameterBufferMPEG2 *)encode_state->seq_param_ext->buffer;
     VAEncSliceParameterBufferMPEG2 *next_slice_group_param = NULL;
     dri_bo *batch_bo;
     int i;
-    int buffer_size;
-    int width_in_mbs = ALIGN(seq_param->picture_width, 16) / 16;
-    int height_in_mbs = ALIGN(seq_param->picture_height, 16) / 16;
 
-    buffer_size = width_in_mbs * height_in_mbs * 64;
-    batch = intel_batchbuffer_new(&i965->intel, I915_EXEC_BSD, buffer_size);
+    batch = mfc_context->aux_batchbuffer;
     batch_bo = batch->buffer;
 
     for (i = 0; i < encode_state->num_slice_params_ext; i++) {
@@ -2355,6 +2325,7 @@ gen75_mfc_mpeg2_software_slice_batchbuffer(VADriverContextP ctx,
 
     dri_bo_reference(batch_bo);
     intel_batchbuffer_free(batch);
+    mfc_context->aux_batchbuffer = NULL;
 
     return batch_bo;
 }
@@ -2422,7 +2393,7 @@ intel_mfc_mpeg2_prepare(VADriverContextP ctx,
 
     /* reconstructed surface */
     obj_surface = encode_state->reconstructed_object;
-    i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC('N','V','1','2'), SUBSAMPLE_YUV420);
+    i965_check_alloc_surface_bo(ctx, obj_surface, 1, VA_FOURCC_NV12, SUBSAMPLE_YUV420);
     mfc_context->pre_deblocking_output.bo = obj_surface->bo;
     dri_bo_reference(mfc_context->pre_deblocking_output.bo);
     mfc_context->surface_state.width = obj_surface->orig_width;
@@ -2560,7 +2531,7 @@ static VAStatus gen75_mfc_pipeline(VADriverContextP ctx,
     VAStatus vaStatus;
 
     switch (profile) {
-    case VAProfileH264Baseline:
+    case VAProfileH264ConstrainedBaseline:
     case VAProfileH264Main:
     case VAProfileH264High:
         vaStatus = gen75_mfc_avc_encode_picture(ctx, encode_state, encoder_context);
@@ -2600,7 +2571,7 @@ Bool gen75_mfc_context_init(VADriverContextP ctx, struct intel_encoder_context *
     i965_gpe_load_kernels(ctx,
                           &mfc_context->gpe_context,
                           gen75_mfc_kernels,
-                          NUM_MFC_KERNEL);
+                          1);
 
     mfc_context->pipe_mode_select = gen75_mfc_pipe_mode_select;
     mfc_context->set_surface_state = gen75_mfc_surface_state;