[v5,4/8] radeon/uvd:add uvd hevc enc hw ib implementation

Submitted by Zhu, James on Feb. 13, 2018, 3:56 p.m.

Details

Message ID 1518537389-8734-1-git-send-email-James.Zhu@amd.com
State New
Headers show
Series "The 2nd version for UVD HEVC encode" ( rev: 10 ) in Mesa

Not browsing as part of any series.

Commit Message

Zhu, James Feb. 13, 2018, 3:56 p.m.
Implement required IBs for UVD HEVC encode.

Signed-off-by: James Zhu <James.Zhu@amd.com>
---
 src/gallium/drivers/radeon/radeon_uvd_enc_1_1.c | 1132 +++++++++++++++++++++++
 1 file changed, 1132 insertions(+)
 create mode 100644 src/gallium/drivers/radeon/radeon_uvd_enc_1_1.c

Patch hide | download patch | download mbox

diff --git a/src/gallium/drivers/radeon/radeon_uvd_enc_1_1.c b/src/gallium/drivers/radeon/radeon_uvd_enc_1_1.c
new file mode 100644
index 0000000..42a9fa9
--- /dev/null
+++ b/src/gallium/drivers/radeon/radeon_uvd_enc_1_1.c
@@ -0,0 +1,1132 @@ 
+/**************************************************************************
+ *
+ * Copyright 2018 Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) shall be included in all copies or substantial portions
+ * of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR
+ * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ **************************************************************************/
+
+#include <stdio.h>
+
+#include "pipe/p_video_codec.h"
+
+#include "util/u_video.h"
+#include "util/u_memory.h"
+
+#include "vl/vl_video_buffer.h"
+#include "radeonsi/si_pipe.h"
+#include "radeon_video.h"
+#include "radeon_uvd_enc.h"
+
+#define RADEON_ENC_CS(value) (enc->cs->current.buf[enc->cs->current.cdw++] = (value))
+#define RADEON_ENC_BEGIN(cmd) { \
+	uint32_t *begin = &enc->cs->current.buf[enc->cs->current.cdw++]; \
+RADEON_ENC_CS(cmd)
+#define RADEON_ENC_READ(buf, domain, off) radeon_uvd_enc_add_buffer(enc, (buf), RADEON_USAGE_READ, (domain), (off))
+#define RADEON_ENC_WRITE(buf, domain, off) radeon_uvd_enc_add_buffer(enc, (buf), RADEON_USAGE_WRITE, (domain), (off))
+#define RADEON_ENC_READWRITE(buf, domain, off) radeon_uvd_enc_add_buffer(enc, (buf), RADEON_USAGE_READWRITE, (domain), (off))
+#define RADEON_ENC_END() *begin = (&enc->cs->current.buf[enc->cs->current.cdw] - begin) * 4; \
+	enc->total_task_size += *begin;}
+
+static const unsigned index_to_shifts[4] = { 24, 16, 8, 0 };
+
+static void
+radeon_uvd_enc_add_buffer(struct radeon_uvd_encoder *enc,
+                          struct pb_buffer *buf, enum radeon_bo_usage usage,
+                          enum radeon_bo_domain domain, signed offset)
+{
+   enc->ws->cs_add_buffer(enc->cs, buf, usage | RADEON_USAGE_SYNCHRONIZED,
+                          domain, RADEON_PRIO_VCE);
+   uint64_t addr;
+   addr = enc->ws->buffer_get_virtual_address(buf);
+   addr = addr + offset;
+   RADEON_ENC_CS(addr >> 32);
+   RADEON_ENC_CS(addr);
+}
+
+static void
+radeon_uvd_enc_set_emulation_prevention(struct radeon_uvd_encoder *enc,
+                                        bool set)
+{
+   if (set != enc->emulation_prevention) {
+      enc->emulation_prevention = set;
+      enc->num_zeros = 0;
+   }
+}
+
+static void
+radeon_uvd_enc_output_one_byte(struct radeon_uvd_encoder *enc,
+                               unsigned char byte)
+{
+   if (enc->byte_index == 0)
+      enc->cs->current.buf[enc->cs->current.cdw] = 0;
+   enc->cs->current.buf[enc->cs->current.cdw] |=
+      ((unsigned int) (byte) << index_to_shifts[enc->byte_index]);
+   enc->byte_index++;
+
+   if (enc->byte_index >= 4) {
+      enc->byte_index = 0;
+      enc->cs->current.cdw++;
+   }
+}
+
+static void
+radeon_uvd_enc_emulation_prevention(struct radeon_uvd_encoder *enc,
+                                    unsigned char byte)
+{
+   if (enc->emulation_prevention) {
+      if ((enc->num_zeros >= 2)
+          && ((byte == 0x00) || (byte == 0x01)
+           || (byte == 0x02) || (byte == 0x03))) {
+         radeon_uvd_enc_output_one_byte(enc, 0x03);
+         enc->bits_output += 8;
+         enc->num_zeros = 0;
+      }
+      enc->num_zeros = (byte == 0 ? (enc->num_zeros + 1) : 0);
+   }
+}
+
+static void
+radeon_uvd_enc_code_fixed_bits(struct radeon_uvd_encoder *enc,
+                               unsigned int value, unsigned int num_bits)
+{
+   unsigned int bits_to_pack = 0;
+
+   while (num_bits > 0) {
+      unsigned int value_to_pack = value & (0xffffffff >> (32 - num_bits));
+      bits_to_pack =
+         num_bits >
+         (32 - enc->bits_in_shifter) ? (32 - enc->bits_in_shifter) : num_bits;
+
+      if (bits_to_pack < num_bits)
+         value_to_pack = value_to_pack >> (num_bits - bits_to_pack);
+
+      enc->shifter |=
+         value_to_pack << (32 - enc->bits_in_shifter - bits_to_pack);
+      num_bits -= bits_to_pack;
+      enc->bits_in_shifter += bits_to_pack;
+
+      while (enc->bits_in_shifter >= 8) {
+         unsigned char output_byte = (unsigned char) (enc->shifter >> 24);
+         enc->shifter <<= 8;
+         radeon_uvd_enc_emulation_prevention(enc, output_byte);
+         radeon_uvd_enc_output_one_byte(enc, output_byte);
+         enc->bits_in_shifter -= 8;
+         enc->bits_output += 8;
+      }
+   }
+}
+
+static void
+radeon_uvd_enc_reset(struct radeon_uvd_encoder *enc)
+{
+   enc->emulation_prevention = false;
+   enc->shifter = 0;
+   enc->bits_in_shifter = 0;
+   enc->bits_output = 0;
+   enc->num_zeros = 0;
+   enc->byte_index = 0;
+}
+
+static void
+radeon_uvd_enc_byte_align(struct radeon_uvd_encoder *enc)
+{
+   unsigned int num_padding_zeros = (32 - enc->bits_in_shifter) % 8;
+
+   if (num_padding_zeros > 0)
+      radeon_uvd_enc_code_fixed_bits(enc, 0, num_padding_zeros);
+}
+
+static void
+radeon_uvd_enc_flush_headers(struct radeon_uvd_encoder *enc)
+{
+   if (enc->bits_in_shifter != 0) {
+      unsigned char output_byte = (unsigned char) (enc->shifter >> 24);
+      radeon_uvd_enc_emulation_prevention(enc, output_byte);
+      radeon_uvd_enc_output_one_byte(enc, output_byte);
+      enc->bits_output += enc->bits_in_shifter;
+      enc->shifter = 0;
+      enc->bits_in_shifter = 0;
+      enc->num_zeros = 0;
+   }
+
+   if (enc->byte_index > 0) {
+      enc->cs->current.cdw++;
+      enc->byte_index = 0;
+   }
+}
+
+static void
+radeon_uvd_enc_code_ue(struct radeon_uvd_encoder *enc, unsigned int value)
+{
+   int x = -1;
+   unsigned int ue_code = value + 1;
+   value += 1;
+
+   while (value) {
+      value = (value >> 1);
+      x += 1;
+   }
+
+   unsigned int ue_length = (x << 1) + 1;
+   radeon_uvd_enc_code_fixed_bits(enc, ue_code, ue_length);
+}
+
+static void
+radeon_uvd_enc_code_se(struct radeon_uvd_encoder *enc, int value)
+{
+   unsigned int v = 0;
+
+   if (value != 0)
+      v = (value < 0 ? ((unsigned int) (0 - value) << 1)
+           : (((unsigned int) (value) << 1) - 1));
+
+   radeon_uvd_enc_code_ue(enc, v);
+}
+
+static void
+radeon_uvd_enc_session_info(struct radeon_uvd_encoder *enc)
+{
+   unsigned int interface_version =
+      ((RENC_UVD_FW_INTERFACE_MAJOR_VERSION <<
+        RENC_UVD_IF_MAJOR_VERSION_SHIFT) |
+       (RENC_UVD_FW_INTERFACE_MINOR_VERSION <<
+        RENC_UVD_IF_MINOR_VERSION_SHIFT));
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SESSION_INFO);
+   RADEON_ENC_CS(0x00000000);   // reserved
+   RADEON_ENC_CS(interface_version);
+   RADEON_ENC_READWRITE(enc->si->res->buf, enc->si->res->domains, 0x0);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_task_info(struct radeon_uvd_encoder *enc, bool need_feedback)
+{
+   enc->enc_pic.task_info.task_id++;
+
+   if (need_feedback)
+      enc->enc_pic.task_info.allowed_max_num_feedbacks = 1;
+   else
+      enc->enc_pic.task_info.allowed_max_num_feedbacks = 0;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_TASK_INFO);
+   enc->p_task_size = &enc->cs->current.buf[enc->cs->current.cdw++];
+   RADEON_ENC_CS(enc->enc_pic.task_info.task_id);
+   RADEON_ENC_CS(enc->enc_pic.task_info.allowed_max_num_feedbacks);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_session_init_hevc(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.session_init.aligned_picture_width =
+      align(enc->base.width, 64);
+   enc->enc_pic.session_init.aligned_picture_height =
+      align(enc->base.height, 16);
+   enc->enc_pic.session_init.padding_width =
+      enc->enc_pic.session_init.aligned_picture_width - enc->base.width;
+   enc->enc_pic.session_init.padding_height =
+      enc->enc_pic.session_init.aligned_picture_height - enc->base.height;
+   enc->enc_pic.session_init.pre_encode_mode = RENC_UVD_PREENCODE_MODE_NONE;
+   enc->enc_pic.session_init.pre_encode_chroma_enabled = false;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SESSION_INIT);
+   RADEON_ENC_CS(enc->enc_pic.session_init.aligned_picture_width);
+   RADEON_ENC_CS(enc->enc_pic.session_init.aligned_picture_height);
+   RADEON_ENC_CS(enc->enc_pic.session_init.padding_width);
+   RADEON_ENC_CS(enc->enc_pic.session_init.padding_height);
+   RADEON_ENC_CS(enc->enc_pic.session_init.pre_encode_mode);
+   RADEON_ENC_CS(enc->enc_pic.session_init.pre_encode_chroma_enabled);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_layer_control(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.layer_ctrl.max_num_temporal_layers = 1;
+   enc->enc_pic.layer_ctrl.num_temporal_layers = 1;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_LAYER_CONTROL);
+   RADEON_ENC_CS(enc->enc_pic.layer_ctrl.max_num_temporal_layers);
+   RADEON_ENC_CS(enc->enc_pic.layer_ctrl.num_temporal_layers);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_layer_select(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.layer_sel.temporal_layer_index = 0;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_LAYER_SELECT);
+   RADEON_ENC_CS(enc->enc_pic.layer_sel.temporal_layer_index);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_slice_control_hevc(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.hevc_slice_ctrl.slice_control_mode =
+      RENC_UVD_SLICE_CONTROL_MODE_FIXED_CTBS;
+   enc->enc_pic.hevc_slice_ctrl.fixed_ctbs_per_slice.num_ctbs_per_slice =
+      align(enc->base.width, 64) / 64 * align(enc->base.height, 64) / 64;
+   enc->enc_pic.hevc_slice_ctrl.
+      fixed_ctbs_per_slice.num_ctbs_per_slice_segment =
+      enc->enc_pic.hevc_slice_ctrl.fixed_ctbs_per_slice.num_ctbs_per_slice;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SLICE_CONTROL);
+   RADEON_ENC_CS(enc->enc_pic.hevc_slice_ctrl.slice_control_mode);
+   RADEON_ENC_CS(enc->enc_pic.hevc_slice_ctrl.
+                 fixed_ctbs_per_slice.num_ctbs_per_slice);
+   RADEON_ENC_CS(enc->enc_pic.hevc_slice_ctrl.
+                 fixed_ctbs_per_slice.num_ctbs_per_slice_segment);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_spec_misc_hevc(struct radeon_uvd_encoder *enc,
+                              struct pipe_picture_desc *picture)
+{
+   struct pipe_h265_enc_picture_desc *pic =
+      (struct pipe_h265_enc_picture_desc *) picture;
+   enc->enc_pic.hevc_spec_misc.log2_min_luma_coding_block_size_minus3 =
+      pic->seq.log2_min_luma_coding_block_size_minus3;
+   enc->enc_pic.hevc_spec_misc.amp_disabled = !pic->seq.amp_enabled_flag;
+   enc->enc_pic.hevc_spec_misc.strong_intra_smoothing_enabled =
+      pic->seq.strong_intra_smoothing_enabled_flag;
+   enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag =
+      pic->pic.constrained_intra_pred_flag;
+   enc->enc_pic.hevc_spec_misc.cabac_init_flag = pic->slice.cabac_init_flag;
+   enc->enc_pic.hevc_spec_misc.half_pel_enabled = 1;
+   enc->enc_pic.hevc_spec_misc.quarter_pel_enabled = 1;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SPEC_MISC);
+   RADEON_ENC_CS(enc->enc_pic.
+                 hevc_spec_misc.log2_min_luma_coding_block_size_minus3);
+   RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.amp_disabled);
+   RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.strong_intra_smoothing_enabled);
+   RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.constrained_intra_pred_flag);
+   RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.cabac_init_flag);
+   RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.half_pel_enabled);
+   RADEON_ENC_CS(enc->enc_pic.hevc_spec_misc.quarter_pel_enabled);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_rc_session_init(struct radeon_uvd_encoder *enc,
+                               struct pipe_picture_desc *picture)
+{
+   struct pipe_h265_enc_picture_desc *pic =
+      (struct pipe_h265_enc_picture_desc *) picture;
+   enc->enc_pic.rc_session_init.vbv_buffer_level = pic->rc.vbv_buf_lv;
+   switch (pic->rc.rate_ctrl_method) {
+   case PIPE_H265_ENC_RATE_CONTROL_METHOD_DISABLE:
+      enc->enc_pic.rc_session_init.rate_control_method =
+         RENC_UVD_RATE_CONTROL_METHOD_NONE;
+      break;
+   case PIPE_H265_ENC_RATE_CONTROL_METHOD_CONSTANT_SKIP:
+   case PIPE_H265_ENC_RATE_CONTROL_METHOD_CONSTANT:
+      enc->enc_pic.rc_session_init.rate_control_method =
+         RENC_UVD_RATE_CONTROL_METHOD_CBR;
+      break;
+   case PIPE_H265_ENC_RATE_CONTROL_METHOD_VARIABLE_SKIP:
+   case PIPE_H265_ENC_RATE_CONTROL_METHOD_VARIABLE:
+      enc->enc_pic.rc_session_init.rate_control_method =
+         RENC_UVD_RATE_CONTROL_METHOD_PEAK_CONSTRAINED_VBR;
+      break;
+   default:
+      enc->enc_pic.rc_session_init.rate_control_method =
+         RENC_UVD_RATE_CONTROL_METHOD_NONE;
+   }
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_RATE_CONTROL_SESSION_INIT);
+   RADEON_ENC_CS(enc->enc_pic.rc_session_init.rate_control_method);
+   RADEON_ENC_CS(enc->enc_pic.rc_session_init.vbv_buffer_level);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_rc_layer_init(struct radeon_uvd_encoder *enc,
+                             struct pipe_picture_desc *picture)
+{
+   struct pipe_h265_enc_picture_desc *pic =
+      (struct pipe_h265_enc_picture_desc *) picture;
+   enc->enc_pic.rc_layer_init.target_bit_rate = pic->rc.target_bitrate;
+   enc->enc_pic.rc_layer_init.peak_bit_rate = pic->rc.peak_bitrate;
+   enc->enc_pic.rc_layer_init.frame_rate_num = pic->rc.frame_rate_num;
+   enc->enc_pic.rc_layer_init.frame_rate_den = pic->rc.frame_rate_den;
+   enc->enc_pic.rc_layer_init.vbv_buffer_size = pic->rc.vbv_buffer_size;
+   enc->enc_pic.rc_layer_init.avg_target_bits_per_picture =
+      pic->rc.target_bits_picture;
+   enc->enc_pic.rc_layer_init.peak_bits_per_picture_integer =
+      pic->rc.peak_bits_picture_integer;
+   enc->enc_pic.rc_layer_init.peak_bits_per_picture_fractional =
+      pic->rc.peak_bits_picture_fraction;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_RATE_CONTROL_LAYER_INIT);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.target_bit_rate);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.peak_bit_rate);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.frame_rate_num);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.frame_rate_den);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.vbv_buffer_size);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.avg_target_bits_per_picture);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.peak_bits_per_picture_integer);
+   RADEON_ENC_CS(enc->enc_pic.rc_layer_init.peak_bits_per_picture_fractional);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_deblocking_filter_hevc(struct radeon_uvd_encoder *enc,
+                                      struct pipe_picture_desc *picture)
+{
+   struct pipe_h265_enc_picture_desc *pic =
+      (struct pipe_h265_enc_picture_desc *) picture;
+   enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled =
+      pic->slice.slice_loop_filter_across_slices_enabled_flag;
+   enc->enc_pic.hevc_deblock.deblocking_filter_disabled =
+      pic->slice.slice_deblocking_filter_disabled_flag;
+   enc->enc_pic.hevc_deblock.beta_offset_div2 =
+      pic->slice.slice_beta_offset_div2;
+   enc->enc_pic.hevc_deblock.tc_offset_div2 = pic->slice.slice_tc_offset_div2;
+   enc->enc_pic.hevc_deblock.cb_qp_offset = pic->slice.slice_cb_qp_offset;
+   enc->enc_pic.hevc_deblock.cr_qp_offset = pic->slice.slice_cr_qp_offset;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_DEBLOCKING_FILTER);
+   RADEON_ENC_CS(enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled);
+   RADEON_ENC_CS(enc->enc_pic.hevc_deblock.deblocking_filter_disabled);
+   RADEON_ENC_CS(enc->enc_pic.hevc_deblock.beta_offset_div2);
+   RADEON_ENC_CS(enc->enc_pic.hevc_deblock.tc_offset_div2);
+   RADEON_ENC_CS(enc->enc_pic.hevc_deblock.cb_qp_offset);
+   RADEON_ENC_CS(enc->enc_pic.hevc_deblock.cr_qp_offset);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_quality_params(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.quality_params.vbaq_mode = 0;
+   enc->enc_pic.quality_params.scene_change_sensitivity = 0;
+   enc->enc_pic.quality_params.scene_change_min_idr_interval = 0;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_QUALITY_PARAMS);
+   RADEON_ENC_CS(enc->enc_pic.quality_params.vbaq_mode);
+   RADEON_ENC_CS(enc->enc_pic.quality_params.scene_change_sensitivity);
+   RADEON_ENC_CS(enc->enc_pic.quality_params.scene_change_min_idr_interval);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_nalu_sps_hevc(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
+   RADEON_ENC_CS(RENC_UVD_NALU_TYPE_SPS);
+   uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+   int i;
+
+   radeon_uvd_enc_reset(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, false);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x4201, 16);
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, true);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 4);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  enc->enc_pic.
+                                  layer_ctrl.max_num_temporal_layers - 1, 3);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_tier_flag, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_profile_idc, 5);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x60000000, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0xb0000000, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 16);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_level_idc, 8);
+
+   for (i = 0; i < (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i++)
+      radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+
+   if ((enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) > 0) {
+      for (i = (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i < 8; i++)
+         radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+   }
+
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_ue(enc, enc->enc_pic.chroma_format_idc);
+   radeon_uvd_enc_code_ue(enc,
+                          enc->enc_pic.session_init.aligned_picture_width);
+   radeon_uvd_enc_code_ue(enc,
+                          enc->enc_pic.session_init.aligned_picture_height);
+
+   int conformance_window_flag =
+      (enc->enc_pic.crop_top > 0) ||
+      (enc->enc_pic.crop_bottom > 0) ||
+      (enc->enc_pic.crop_left > 0) ||
+      (enc->enc_pic.crop_right > 0) ? 0x1 : 0x0;
+   radeon_uvd_enc_code_fixed_bits(enc, conformance_window_flag, 1);
+   if (conformance_window_flag == 1) {
+      radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_left);
+      radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_right);
+      radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_top);
+      radeon_uvd_enc_code_ue(enc, enc->enc_pic.crop_bottom);
+   }
+
+   radeon_uvd_enc_code_ue(enc, enc->enc_pic.bit_depth_luma_minus8);
+   radeon_uvd_enc_code_ue(enc, enc->enc_pic.bit_depth_chroma_minus8);
+   radeon_uvd_enc_code_ue(enc, enc->enc_pic.log2_max_poc - 4);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_ue(enc, 1);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_ue(enc,
+                          enc->enc_pic.hevc_spec_misc.
+                          log2_min_luma_coding_block_size_minus3);
+   /* Only support CTBSize 64 */
+   radeon_uvd_enc_code_ue(enc,
+                          6 -
+                          (enc->enc_pic.hevc_spec_misc.
+                           log2_min_luma_coding_block_size_minus3 + 3));
+   radeon_uvd_enc_code_ue(enc,
+                          enc->enc_pic.log2_min_transform_block_size_minus2);
+   radeon_uvd_enc_code_ue(enc,
+                          enc->enc_pic.
+                          log2_diff_max_min_transform_block_size);
+   radeon_uvd_enc_code_ue(enc,
+                          enc->enc_pic.max_transform_hierarchy_depth_inter);
+   radeon_uvd_enc_code_ue(enc,
+                          enc->enc_pic.max_transform_hierarchy_depth_intra);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  !enc->enc_pic.hevc_spec_misc.amp_disabled,
+                                  1);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  enc->enc_pic.
+                                  sample_adaptive_offset_enabled_flag, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.pcm_enabled_flag, 1);
+
+   radeon_uvd_enc_code_ue(enc, 1);
+   radeon_uvd_enc_code_ue(enc, 1);
+   radeon_uvd_enc_code_ue(enc, 0);
+   radeon_uvd_enc_code_ue(enc, 0);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  enc->enc_pic.hevc_spec_misc.
+                                  strong_intra_smoothing_enabled, 1);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_flush_headers(enc);
+   *size_in_bytes = (enc->bits_output + 7) / 8;
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_nalu_pps_hevc(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
+   RADEON_ENC_CS(RENC_UVD_NALU_TYPE_PPS);
+   uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+   radeon_uvd_enc_reset(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, false);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x4401, 16);
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, true);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1); /* output_flag_resent_flag */
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 3); /* num_extra_slice_header_bits */
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_se(enc, 0x0);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  enc->enc_pic.hevc_spec_misc.
+                                  constrained_intra_pred_flag, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.cb_qp_offset);
+   radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.cr_qp_offset);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  enc->enc_pic.hevc_deblock.
+                                  loop_filter_across_slices_enabled, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  enc->enc_pic.hevc_deblock.
+                                  deblocking_filter_disabled, 1);
+
+   if (!enc->enc_pic.hevc_deblock.deblocking_filter_disabled) {
+      radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.beta_offset_div2);
+      radeon_uvd_enc_code_se(enc, enc->enc_pic.hevc_deblock.tc_offset_div2);
+   }
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_ue(enc, enc->enc_pic.log2_parallel_merge_level_minus2);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_flush_headers(enc);
+   *size_in_bytes = (enc->bits_output + 7) / 8;
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_nalu_vps_hevc(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
+   RADEON_ENC_CS(RENC_UVD_NALU_TYPE_VPS);
+   uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+   int i;
+
+   radeon_uvd_enc_reset(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, false);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x4001, 16);
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, true);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 4);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x3, 2);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
+   radeon_uvd_enc_code_fixed_bits(enc,
+                                  enc->enc_pic.layer_ctrl.
+                                  max_num_temporal_layers - 1, 3);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0xffff, 16);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_tier_flag, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_profile_idc, 5);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x60000000, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0xb0000000, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 16);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.general_level_idc, 8);
+
+   for (i = 0; i < (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i++)
+      radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+
+   if ((enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1) > 0) {
+      for (i = (enc->enc_pic.layer_ctrl.max_num_temporal_layers - 1); i < 8; i++)
+         radeon_uvd_enc_code_fixed_bits(enc, 0x0, 2);
+   }
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_ue(enc, 0x1);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
+   radeon_uvd_enc_code_ue(enc, 0x0);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_flush_headers(enc);
+   *size_in_bytes = (enc->bits_output + 7) / 8;
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_nalu_aud_hevc(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INSERT_NALU_BUFFER);
+   RADEON_ENC_CS(RENC_UVD_NALU_TYPE_AUD);
+   uint32_t *size_in_bytes = &enc->cs->current.buf[enc->cs->current.cdw++];
+   radeon_uvd_enc_reset(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, false);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x00000001, 32);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, 35, 6);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 3);
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, true);
+   switch (enc->enc_pic.picture_type) {
+   case PIPE_H265_ENC_PICTURE_TYPE_I:
+   case PIPE_H265_ENC_PICTURE_TYPE_IDR:
+      radeon_uvd_enc_code_fixed_bits(enc, 0x00, 3);
+      break;
+   case PIPE_H265_ENC_PICTURE_TYPE_P:
+      radeon_uvd_enc_code_fixed_bits(enc, 0x01, 3);
+      break;
+   case PIPE_H265_ENC_PICTURE_TYPE_B:
+      radeon_uvd_enc_code_fixed_bits(enc, 0x02, 3);
+      break;
+   default:
+      assert(0 && "Unsupported picture type!");
+   }
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+
+   radeon_uvd_enc_byte_align(enc);
+   radeon_uvd_enc_flush_headers(enc);
+   *size_in_bytes = (enc->bits_output + 7) / 8;
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_slice_header_hevc(struct radeon_uvd_encoder *enc)
+{
+   uint32_t instruction[RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS] = { 0 };
+   uint32_t num_bits[RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS] = { 0 };
+   unsigned int inst_index = 0;
+   unsigned int bit_index = 0;
+   unsigned int bits_copied = 0;
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_SLICE_HEADER);
+   radeon_uvd_enc_reset(enc);
+   radeon_uvd_enc_set_emulation_prevention(enc, false);
+
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+   radeon_uvd_enc_code_fixed_bits(enc, enc->enc_pic.nal_unit_type, 6);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x0, 6);
+   radeon_uvd_enc_code_fixed_bits(enc, 0x1, 3);
+
+   radeon_uvd_enc_flush_headers(enc);
+   bit_index++;
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
+   num_bits[inst_index] = enc->bits_output - bits_copied;
+   bits_copied = enc->bits_output;
+   inst_index++;
+
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_FIRST_SLICE;
+   inst_index++;
+
+   if ((enc->enc_pic.nal_unit_type >= 16)
+       && (enc->enc_pic.nal_unit_type <= 23))
+      radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+
+   radeon_uvd_enc_code_ue(enc, 0x0);
+
+   radeon_uvd_enc_flush_headers(enc);
+   bit_index++;
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
+   num_bits[inst_index] = enc->bits_output - bits_copied;
+   bits_copied = enc->bits_output;
+   inst_index++;
+
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_SLICE_SEGMENT;
+   inst_index++;
+
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_DEPENDENT_SLICE_END;
+   inst_index++;
+
+   switch (enc->enc_pic.picture_type) {
+   case PIPE_H265_ENC_PICTURE_TYPE_I:
+   case PIPE_H265_ENC_PICTURE_TYPE_IDR:
+      radeon_uvd_enc_code_ue(enc, 0x2);
+      break;
+   case PIPE_H265_ENC_PICTURE_TYPE_P:
+   case PIPE_H265_ENC_PICTURE_TYPE_SKIP:
+      radeon_uvd_enc_code_ue(enc, 0x1);
+      break;
+   case PIPE_H265_ENC_PICTURE_TYPE_B:
+      radeon_uvd_enc_code_ue(enc, 0x0);
+      break;
+   default:
+      radeon_uvd_enc_code_ue(enc, 0x1);
+   }
+
+   if ((enc->enc_pic.nal_unit_type != 19)
+       && (enc->enc_pic.nal_unit_type != 20)) {
+      radeon_uvd_enc_code_fixed_bits(enc,
+                                     enc->enc_pic.frame_num %
+                                     enc->enc_pic.max_poc,
+                                     enc->enc_pic.log2_max_poc);
+      if (enc->enc_pic.picture_type == PIPE_H265_ENC_PICTURE_TYPE_P)
+         radeon_uvd_enc_code_fixed_bits(enc, 0x1, 1);
+      else {
+         radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+         radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+         radeon_uvd_enc_code_ue(enc, 0x0);
+         radeon_uvd_enc_code_ue(enc, 0x0);
+      }
+   }
+
+   if (enc->enc_pic.sample_adaptive_offset_enabled_flag)
+      radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);      /* slice_sao_luma_flag */
+
+   if ((enc->enc_pic.picture_type == PIPE_H265_ENC_PICTURE_TYPE_P) ||
+       (enc->enc_pic.picture_type == PIPE_H265_ENC_PICTURE_TYPE_B)) {
+      radeon_uvd_enc_code_fixed_bits(enc, 0x0, 1);
+      radeon_uvd_enc_code_fixed_bits(enc,
+                                     enc->enc_pic.hevc_spec_misc.
+                                     cabac_init_flag, 1);
+      radeon_uvd_enc_code_ue(enc, 5 - enc->enc_pic.max_num_merge_cand);
+   }
+
+   radeon_uvd_enc_flush_headers(enc);
+   bit_index++;
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
+   num_bits[inst_index] = enc->bits_output - bits_copied;
+   bits_copied = enc->bits_output;
+   inst_index++;
+
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_SLICE_QP_DELTA;
+   inst_index++;
+
+   if ((enc->enc_pic.hevc_deblock.loop_filter_across_slices_enabled) &&
+       (!enc->enc_pic.hevc_deblock.deblocking_filter_disabled)) {
+      radeon_uvd_enc_code_fixed_bits(enc,
+                                     enc->enc_pic.hevc_deblock.
+                                     loop_filter_across_slices_enabled, 1);
+
+      radeon_uvd_enc_flush_headers(enc);
+      bit_index++;
+      instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_COPY;
+      num_bits[inst_index] = enc->bits_output - bits_copied;
+      bits_copied = enc->bits_output;
+      inst_index++;
+   }
+
+   instruction[inst_index] = RENC_UVD_HEADER_INSTRUCTION_END;
+
+   for (int i = bit_index;
+        i < RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_TEMPLATE_SIZE_IN_DWORDS; i++)
+      RADEON_ENC_CS(0x00000000);
+
+   for (int j = 0; j < RENC_UVD_SLICE_HEADER_TEMPLATE_MAX_NUM_INSTRUCTIONS;
+        j++) {
+      RADEON_ENC_CS(instruction[j]);
+      RADEON_ENC_CS(num_bits[j]);
+   }
+
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_ctx(struct radeon_uvd_encoder *enc)
+{
+   struct si_screen *rscreen = (struct si_screen *) enc->screen;
+
+   enc->enc_pic.ctx_buf.swizzle_mode = 0;
+   if (rscreen->info.chip_class < GFX9) {
+      enc->enc_pic.ctx_buf.rec_luma_pitch =
+         (enc->luma->u.legacy.level[0].nblk_x * enc->luma->bpe);
+      enc->enc_pic.ctx_buf.rec_chroma_pitch =
+         (enc->chroma->u.legacy.level[0].nblk_x * enc->chroma->bpe);
+   }
+   else {
+      enc->enc_pic.ctx_buf.rec_luma_pitch =
+         enc->luma->u.gfx9.surf_pitch * enc->luma->bpe;
+      enc->enc_pic.ctx_buf.rec_chroma_pitch =
+         enc->chroma->u.gfx9.surf_pitch * enc->chroma->bpe;
+   }
+   enc->enc_pic.ctx_buf.num_reconstructed_pictures = 2;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_ENCODE_CONTEXT_BUFFER);
+   RADEON_ENC_READWRITE(enc->cpb.res->buf, enc->cpb.res->domains, 0);
+   RADEON_ENC_CS(0x00000000);   // reserved
+   RADEON_ENC_CS(enc->enc_pic.ctx_buf.swizzle_mode);
+   RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_luma_pitch);
+   RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_chroma_pitch);
+   RADEON_ENC_CS(enc->enc_pic.ctx_buf.num_reconstructed_pictures);
+   /* reconstructed_picture_1_luma_offset */
+   RADEON_ENC_CS(0x00000000);
+   /* reconstructed_picture_1_chroma_offset */
+   RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_chroma_pitch *
+                 align(enc->base.height, 16));
+   /* reconstructed_picture_2_luma_offset */
+   RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_luma_pitch *
+                 align(enc->base.height, 16) * 3 / 2);
+   /* reconstructed_picture_2_chroma_offset */
+   RADEON_ENC_CS(enc->enc_pic.ctx_buf.rec_chroma_pitch *
+                 align(enc->base.height, 16) * 5 / 2);
+
+   for (int i = 0; i < 136; i++)
+      RADEON_ENC_CS(0x00000000);
+
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_bitstream(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.bit_buf.mode = RENC_UVD_SWIZZLE_MODE_LINEAR;
+   enc->enc_pic.bit_buf.video_bitstream_buffer_size = enc->bs_size;
+   enc->enc_pic.bit_buf.video_bitstream_data_offset = 0;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_VIDEO_BITSTREAM_BUFFER);
+   RADEON_ENC_CS(enc->enc_pic.bit_buf.mode);
+   RADEON_ENC_WRITE(enc->bs_handle, RADEON_DOMAIN_GTT, 0);
+   RADEON_ENC_CS(enc->enc_pic.bit_buf.video_bitstream_buffer_size);
+   RADEON_ENC_CS(enc->enc_pic.bit_buf.video_bitstream_data_offset);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_feedback(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.fb_buf.mode = RENC_UVD_FEEDBACK_BUFFER_MODE_LINEAR;
+   enc->enc_pic.fb_buf.feedback_buffer_size = 16;
+   enc->enc_pic.fb_buf.feedback_data_size = 40;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_FEEDBACK_BUFFER);
+   RADEON_ENC_CS(enc->enc_pic.fb_buf.mode);
+   RADEON_ENC_WRITE(enc->fb->res->buf, enc->fb->res->domains, 0x0);
+   RADEON_ENC_CS(enc->enc_pic.fb_buf.feedback_buffer_size);
+   RADEON_ENC_CS(enc->enc_pic.fb_buf.feedback_data_size);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_intra_refresh(struct radeon_uvd_encoder *enc)
+{
+   enc->enc_pic.intra_ref.intra_refresh_mode =
+      RENC_UVD_INTRA_REFRESH_MODE_NONE;
+   enc->enc_pic.intra_ref.offset = 0;
+   enc->enc_pic.intra_ref.region_size = 0;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_INTRA_REFRESH);
+   RADEON_ENC_CS(enc->enc_pic.intra_ref.intra_refresh_mode);
+   RADEON_ENC_CS(enc->enc_pic.intra_ref.offset);
+   RADEON_ENC_CS(enc->enc_pic.intra_ref.region_size);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_rc_per_pic(struct radeon_uvd_encoder *enc,
+                          struct pipe_picture_desc *picture)
+{
+   struct pipe_h265_enc_picture_desc *pic =
+      (struct pipe_h265_enc_picture_desc *) picture;
+   enc->enc_pic.rc_per_pic.qp = pic->rc.quant_i_frames;
+   enc->enc_pic.rc_per_pic.min_qp_app = 0;
+   enc->enc_pic.rc_per_pic.max_qp_app = 51;
+   enc->enc_pic.rc_per_pic.max_au_size = 0;
+   enc->enc_pic.rc_per_pic.enabled_filler_data = pic->rc.fill_data_enable;
+   enc->enc_pic.rc_per_pic.skip_frame_enable = false;
+   enc->enc_pic.rc_per_pic.enforce_hrd = pic->rc.enforce_hrd;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_RATE_CONTROL_PER_PICTURE);
+   RADEON_ENC_CS(enc->enc_pic.rc_per_pic.qp);
+   RADEON_ENC_CS(enc->enc_pic.rc_per_pic.min_qp_app);
+   RADEON_ENC_CS(enc->enc_pic.rc_per_pic.max_qp_app);
+   RADEON_ENC_CS(enc->enc_pic.rc_per_pic.max_au_size);
+   RADEON_ENC_CS(enc->enc_pic.rc_per_pic.enabled_filler_data);
+   RADEON_ENC_CS(enc->enc_pic.rc_per_pic.skip_frame_enable);
+   RADEON_ENC_CS(enc->enc_pic.rc_per_pic.enforce_hrd);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_encode_params_hevc(struct radeon_uvd_encoder *enc)
+{
+   struct si_screen *rscreen = (struct si_screen *) enc->screen;
+   switch (enc->enc_pic.picture_type) {
+   case PIPE_H265_ENC_PICTURE_TYPE_I:
+   case PIPE_H265_ENC_PICTURE_TYPE_IDR:
+      enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_I;
+      break;
+   case PIPE_H265_ENC_PICTURE_TYPE_P:
+      enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_P;
+      break;
+   case PIPE_H265_ENC_PICTURE_TYPE_SKIP:
+      enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_P_SKIP;
+      break;
+   case PIPE_H265_ENC_PICTURE_TYPE_B:
+      enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_B;
+      break;
+   default:
+      enc->enc_pic.enc_params.pic_type = RENC_UVD_PICTURE_TYPE_I;
+   }
+
+   enc->enc_pic.enc_params.allowed_max_bitstream_size = enc->bs_size;
+   if (rscreen->info.chip_class < GFX9) {
+      enc->enc_pic.enc_params.input_pic_luma_pitch =
+         (enc->luma->u.legacy.level[0].nblk_x * enc->luma->bpe);
+      enc->enc_pic.enc_params.input_pic_chroma_pitch =
+         (enc->chroma->u.legacy.level[0].nblk_x * enc->chroma->bpe);
+   }
+   else {
+      enc->enc_pic.enc_params.input_pic_luma_pitch =
+         enc->luma->u.gfx9.surf_pitch * enc->luma->bpe;
+      enc->enc_pic.enc_params.input_pic_chroma_pitch =
+         enc->chroma->u.gfx9.surf_pitch * enc->chroma->bpe;
+   }
+   enc->enc_pic.enc_params.input_pic_swizzle_mode =
+      RENC_UVD_SWIZZLE_MODE_LINEAR;
+
+   if (enc->enc_pic.enc_params.pic_type == RENC_UVD_PICTURE_TYPE_I)
+      enc->enc_pic.enc_params.reference_picture_index = 0xFFFFFFFF;
+   else
+      enc->enc_pic.enc_params.reference_picture_index =
+         (enc->enc_pic.frame_num - 1) % 2;
+
+   enc->enc_pic.enc_params.reconstructed_picture_index =
+      enc->enc_pic.frame_num % 2;
+
+   RADEON_ENC_BEGIN(RENC_UVD_IB_PARAM_ENCODE_PARAMS);
+   RADEON_ENC_CS(enc->enc_pic.enc_params.pic_type);
+   RADEON_ENC_CS(enc->enc_pic.enc_params.allowed_max_bitstream_size);
+
+   if (rscreen->info.chip_class < GFX9) {
+      RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM,
+                      enc->luma->u.legacy.level[0].offset);
+      RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM,
+                      enc->chroma->u.legacy.level[0].offset);
+   }
+   else {
+      RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM,
+                      enc->luma->u.gfx9.surf_offset);
+      RADEON_ENC_READ(enc->handle, RADEON_DOMAIN_VRAM,
+                      enc->chroma->u.gfx9.surf_offset);
+   }
+   RADEON_ENC_CS(enc->enc_pic.enc_params.input_pic_luma_pitch);
+   RADEON_ENC_CS(enc->enc_pic.enc_params.input_pic_chroma_pitch);
+   RADEON_ENC_CS(0x00000000);   // reserved
+   RADEON_ENC_CS(enc->enc_pic.enc_params.input_pic_swizzle_mode);
+   RADEON_ENC_CS(enc->enc_pic.enc_params.reference_picture_index);
+   RADEON_ENC_CS(enc->enc_pic.enc_params.reconstructed_picture_index);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_op_init(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_OP_INITIALIZE);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_op_close(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_OP_CLOSE_SESSION);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_op_enc(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_OP_ENCODE);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_op_init_rc(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_OP_INIT_RC);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_op_init_rc_vbv(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_OP_INIT_RC_VBV_BUFFER_LEVEL);
+   RADEON_ENC_END();
+}
+
+static void
+radeon_uvd_enc_op_speed(struct radeon_uvd_encoder *enc)
+{
+   RADEON_ENC_BEGIN(RENC_UVD_IB_OP_SET_SPEED_ENCODING_MODE);
+   RADEON_ENC_END();
+}
+
+static void
+begin(struct radeon_uvd_encoder *enc, struct pipe_picture_desc *pic)
+{
+   radeon_uvd_enc_session_info(enc);
+   enc->total_task_size = 0;
+   radeon_uvd_enc_task_info(enc, enc->need_feedback);
+   radeon_uvd_enc_op_init(enc);
+
+   radeon_uvd_enc_session_init_hevc(enc);
+   radeon_uvd_enc_slice_control_hevc(enc);
+   radeon_uvd_enc_spec_misc_hevc(enc, pic);
+   radeon_uvd_enc_deblocking_filter_hevc(enc, pic);
+
+   radeon_uvd_enc_layer_control(enc);
+   radeon_uvd_enc_rc_session_init(enc, pic);
+   radeon_uvd_enc_quality_params(enc);
+   radeon_uvd_enc_layer_select(enc);
+   radeon_uvd_enc_rc_layer_init(enc, pic);
+   radeon_uvd_enc_layer_select(enc);
+   radeon_uvd_enc_rc_per_pic(enc, pic);
+   radeon_uvd_enc_op_init_rc(enc);
+   radeon_uvd_enc_op_init_rc_vbv(enc);
+   *enc->p_task_size = (enc->total_task_size);
+}
+
+static void
+encode(struct radeon_uvd_encoder *enc)
+{
+   radeon_uvd_enc_session_info(enc);
+   enc->total_task_size = 0;
+   radeon_uvd_enc_task_info(enc, enc->need_feedback);
+
+   radeon_uvd_enc_nalu_aud_hevc(enc);
+
+   if (enc->enc_pic.is_iframe) {
+      radeon_uvd_enc_nalu_vps_hevc(enc);
+      radeon_uvd_enc_nalu_pps_hevc(enc);
+      radeon_uvd_enc_nalu_sps_hevc(enc);
+   }
+   radeon_uvd_enc_slice_header_hevc(enc);
+   radeon_uvd_enc_encode_params_hevc(enc);
+
+   radeon_uvd_enc_ctx(enc);
+   radeon_uvd_enc_bitstream(enc);
+   radeon_uvd_enc_feedback(enc);
+   radeon_uvd_enc_intra_refresh(enc);
+
+   radeon_uvd_enc_op_speed(enc);
+   radeon_uvd_enc_op_enc(enc);
+   *enc->p_task_size = (enc->total_task_size);
+}
+
+static void
+destroy(struct radeon_uvd_encoder *enc)
+{
+   radeon_uvd_enc_session_info(enc);
+   enc->total_task_size = 0;
+   radeon_uvd_enc_task_info(enc, enc->need_feedback);
+   radeon_uvd_enc_op_close(enc);
+   *enc->p_task_size = (enc->total_task_size);
+}
+
+void
+radeon_uvd_enc_1_1_init(struct radeon_uvd_encoder *enc)
+{
+   enc->begin = begin;
+   enc->encode = encode;
+   enc->destroy = destroy;
+}