radeon/vcn: allocate non-tmz context buffer for VCN2+

By design, context buffer should be allocated as TMZ buffer for secure playback
for VCN 1 only. For VCN 2&2+, context buffer should be moved out of TMZ.

Signed-off-by: Boyuan Zhang <boyuan.zhang@amd.com>
Reviewed-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/11388>

2 files changed, 7 insertions, 4 deletions

diff --git a/src/gallium/drivers/radeon/radeon_vcn_dec.c b/src/gallium/drivers/radeon/radeon_vcn_dec.c
index ae9afc07900..2fd61bf37e2 100644
--- a/src/gallium/drivers/radeon/radeon_vcn_dec.c
+++ b/src/gallium/drivers/radeon/radeon_vcn_dec.c
@@ -1550,12 +1550,12 @@ static struct pb_buffer *rvcn_dec_message_decode(struct radeon_decoder *dec,
       if (dec->stream_type == RDECODE_CODEC_H264_PERF) {
          unsigned ctx_size = calc_ctx_size_h264_perf(dec);
          bool r;
-         if (encrypted) {
+         if (encrypted && dec->tmz_ctx) {
             r = si_vid_create_tmz_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT);
          } else {
             r = si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT);
          }
-         assert(encrypted == (bool)(dec->ctx.res->flags & RADEON_FLAG_ENCRYPTED));
+         assert((encrypted && dec->tmz_ctx) == (bool)(dec->ctx.res->flags & RADEON_FLAG_ENCRYPTED));
 
          if (!r) {
             RVID_ERR("Can't allocated context buffer.\n");
@@ -1586,7 +1586,7 @@ static struct pb_buffer *rvcn_dec_message_decode(struct radeon_decoder *dec,
          if (dec->base.profile == PIPE_VIDEO_PROFILE_VP9_PROFILE2)
             ctx_size += 8 * 2 * 4096;
 
-         if (encrypted) {
+         if (encrypted && dec->tmz_ctx) {
             r = si_vid_create_tmz_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT);
          } else {
             r = si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT);
@@ -1611,7 +1611,7 @@ static struct pb_buffer *rvcn_dec_message_decode(struct radeon_decoder *dec,
          else
             ctx_size = calc_ctx_size_h265_main(dec);
 
-         if (encrypted) {
+         if (encrypted && dec->tmz_ctx) {
             r = si_vid_create_tmz_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT);
          } else {
             r = si_vid_create_buffer(dec->screen, &dec->ctx, ctx_size, PIPE_USAGE_DEFAULT);
@@ -2499,6 +2499,8 @@ struct pipe_video_codec *radeon_create_decoder(struct pipe_context *context,
       list_inithead(&dec->dpb_unref_list);
    }
 
+   dec->tmz_ctx = sctx->family < CHIP_RENOIR;
+
    return &dec->base;
 
 error:
diff --git a/src/gallium/drivers/radeon/radeon_vcn_dec.h b/src/gallium/drivers/radeon/radeon_vcn_dec.h
index 7ad88aaa8a6..1c8dbabb46d 100644
--- a/src/gallium/drivers/radeon/radeon_vcn_dec.h
+++ b/src/gallium/drivers/radeon/radeon_vcn_dec.h
@@ -1104,6 +1104,7 @@ struct radeon_decoder {
    void *render_pic_list[32];
    bool show_frame;
    unsigned ref_idx;
+   bool tmz_ctx;
    struct {
       unsigned data0;
       unsigned data1;