[v10] media: mediatek: vcodec: support stateless AV1 decoder

[Hans Verkuil]

On 14/04/2023 10:30, Xiaoyong Lu wrote:
> Add mediatek av1 decoder linux driver which use the stateless API in
> MT8195.
> 
> Signed-off-by: Xiaoyong Lu<xiaoyong.lu at mediatek.com>
> Tested-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>
> Reviewed-by: Nicolas Dufresne <nicolas.dufresne at collabora.com>
> Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

After rebasing on top of our media staging tree I get these compile errors:

  CC [M]  drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.o
drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c: In function ‘vdec_av1_slice_lat_decode’:
drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c:2075:46: error: ‘struct mtk_vcodec_dev’ has no member named ‘msg_queue_core_ctx’
 2075 |                 vdec_msg_queue_qbuf(&ctx->dev->msg_queue_core_ctx, lat_buf);
      |                                              ^~
drivers/media/platform/mediatek/vcodec/vdec/vdec_av1_req_lat_if.c:2114:46: error: ‘struct mtk_vcodec_dev’ has no member named ‘msg_queue_core_ctx’
 2114 |                 vdec_msg_queue_qbuf(&ctx->dev->msg_queue_core_ctx, lat_buf);
      |                                              ^~

That's due to the patch "media: mediatek: vcodec: move core context from device
to each instance" that has now been merged and that drops that queue.

Can you rebase v10? This is now the only remaining blocked for the av1 series
to be merged.

Regards,

	Hans