Add MT8192 H264 venc driver and support H264 4K encoding on MT8192.

Change notes:
v3: 1) This patch dependents on "Separating encoder device node"[1]
       which has already been in linux-next.
    2) redefine venc max supported resolution.
[1] https://lore.kernel.org/linux-mediatek/20210325122625.15100-1-irui.wang@mediatek.com (local)

Alexandre Courbot (1):
  media: mtk-vcodec: venc: remove redundant code

Irui Wang (5):
  dt-bindings: media: mtk-vcodec: Add dma-ranges property
  media: mtk-vcodec: Support 4GB~8GB range iova space for venc
  dt-bindings: media: mtk-vcodec: Add binding for MT8192 VENC
  media: mtk-vcodec: Add MT8192 H264 venc driver
  media: mtk-vcodec: Support MT8192 H264 4K encoding

 .../bindings/media/mediatek-vcodec.txt        |  3 +
 .../platform/mtk-vcodec/mtk_vcodec_drv.h      |  1 +
 .../platform/mtk-vcodec/mtk_vcodec_enc.c      | 89 +++++++++++--------
 .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c  | 17 ++++
 .../platform/mtk-vcodec/venc/venc_h264_if.c   |  4 +
 5 files changed, 78 insertions(+), 36 deletions(-)

-- 
2.25.1
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