From: Leo Liu <leo....@amd.com>

v2: rebase by Marek

Signed-off-by: Leo Liu <leo....@amd.com>
Reviewed-by: Alex Deucher <alexander.deuc...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
---
 src/gallium/drivers/radeon/radeon_vce.c        |  5 +++++
 src/gallium/drivers/radeon/radeon_vce.h        |  4 ++++
 src/gallium/drivers/radeon/radeon_vce_40_2_2.c | 17 +++++++++++++++++
 3 files changed, 26 insertions(+)

diff --git a/src/gallium/drivers/radeon/radeon_vce.c 
b/src/gallium/drivers/radeon/radeon_vce.c
index d5ae26d..79b0909 100644
--- a/src/gallium/drivers/radeon/radeon_vce.c
+++ b/src/gallium/drivers/radeon/radeon_vce.c
@@ -358,6 +358,8 @@ struct pipe_video_codec *rvce_create_encoder(struct 
pipe_context *context,
                enc->use_vm = true;
        if ((rscreen->info.drm_major > 2) || (rscreen->info.drm_minor >= 42))
                enc->use_vui = true;
+       if (rscreen->info.family >= CHIP_TONGA)
+               enc->use_2p = true;
 
        enc->base = *templ;
        enc->base.context = context;
@@ -397,6 +399,9 @@ struct pipe_video_codec *rvce_create_encoder(struct 
pipe_context *context,
        cpb_size = cpb_size * align(tmp_surf->npix_y, 16);
        cpb_size = cpb_size * 3 / 2;
        cpb_size = cpb_size * enc->cpb_num;
+       if (enc->use_2p)
+               cpb_size +=  RVCE_MAX_AUX_BUFFER_NUM *
+                       RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE;
        tmp_buf->destroy(tmp_buf);
        if (!rvid_create_buffer(enc->screen, &enc->cpb, cpb_size, 
PIPE_USAGE_DEFAULT)) {
                RVID_ERR("Can't create CPB buffer.\n");
diff --git a/src/gallium/drivers/radeon/radeon_vce.h 
b/src/gallium/drivers/radeon/radeon_vce.h
index 7d37320..4d07204 100644
--- a/src/gallium/drivers/radeon/radeon_vce.h
+++ b/src/gallium/drivers/radeon/radeon_vce.h
@@ -43,6 +43,9 @@
 #define RVCE_READWRITE(buf, domain, off) rvce_add_buffer(enc, (buf), 
RADEON_USAGE_READWRITE, (domain), (off))
 #define RVCE_END() *begin = (&enc->cs->buf[enc->cs->cdw] - begin) * 4; }
 
+#define RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE (4096 * 16 * 2.5)
+#define RVCE_MAX_AUX_BUFFER_NUM 4
+
 struct r600_common_screen;
 
 /* driver dependent callback */
@@ -102,6 +105,7 @@ struct rvce_encoder {
        bool                            use_vm;
        unsigned                        fw_ver;
        bool                            use_vui;
+       bool                            use_2p;
 };
 
 struct pipe_video_codec *rvce_create_encoder(struct pipe_context *context,
diff --git a/src/gallium/drivers/radeon/radeon_vce_40_2_2.c 
b/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
index f1f4cce..970d572 100644
--- a/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
+++ b/src/gallium/drivers/radeon/radeon_vce_40_2_2.c
@@ -319,6 +319,23 @@ static void encode(struct rvce_encoder *enc)
        RVCE_CS(enc->bs_size); // videoBitstreamRingSize
        RVCE_END();
 
+       if (enc->use_2p) {
+               unsigned aux_offset = enc->cpb.res->buf->size -
+                       RVCE_MAX_AUX_BUFFER_NUM * 
RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE;
+               RVCE_BEGIN(0x05000002); // auxiliary buffer
+               for (i = 0; i < 4; ++i) {
+                       RVCE_CS(aux_offset);
+                       aux_offset += RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE;
+               }
+               for (i = 0; i < 4; ++i)
+                       RVCE_CS(0x00000000);
+               for (i = 0; i < 4; ++i)
+                       RVCE_CS(RVCE_MAX_BITSTREAM_OUTPUT_ROW_SIZE);
+               for (i = 0; i < 4; ++i)
+                       RVCE_CS(0x00000000);
+               RVCE_END();
+       }
+
        RVCE_BEGIN(0x03000001); // encode
        if ((enc->fw_ver > FW_40_2_2) && (!enc->pic.frame_num))
                RVCE_CS(0x00000011); // insertHeaders
-- 
2.1.0

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