[Libva] [PATCH v2 intel-driver 0/8] Fix support for grayscale

[Xiang, Haihao]

Could you make your patches against the staging branch first ? On the
one hand, the nightly testing can check whether the patches result in
regression first, one the other hand, the hw info has been moved to a
separated file on the staging branch, your patches might introduce a lot
of conflict when we merge (or cherry-pick) the patches from staging to
master.

Thanks
Haihao

> Hi,
> 
> This patch series fixes and optimizes support for H.grayscale streams
> encoded in H.264 (Patch8). This is backwards compatible with solutions
> that incorrectly request for YUV 4:2:0 formats instead of the
> appropriate Y800 one.
> 
> Tested with gstreamer-vaapi and FFmpeg/vaapi on Ivybridge. No
> regression.
> 
> v2: split into smaller patches, while maintaining regression
> testability, drop dead code in the Y800 rendering code path.
> 
> Regards,
> Gwenole Beauchesne (8):
>   surface: fix geometry (size, layout) of grayscale surfaces.
>   surface: factor out release of surface buffer storage.
>   surface: fix vaDeriveImage() for grayscale.
>   config: fix vaGetConfigAttributes() to validate profile/entrypoint.
>   config: fix vaCreateConfig() to not override user chroma format.
>   config: fix supported set of chroma formats for JPEG decode.
>   decoder: h264: factor out allocation of reconstructed surfaces.
>   decoder: h264: optimize support for grayscale surfaces.
> 
>  src/gen6_mfd.c           |   20 ++-
>  src/gen75_mfd.c          |   18 +--
>  src/gen7_mfd.c           |   18 +--
>  src/gen8_mfd.c           |   18 +--
>  src/gen8_render.c        |    3 +
>  src/i965_decoder_utils.c |   75 +++++++++++-
>  src/i965_decoder_utils.h |    8 ++
>  src/i965_drv_video.c     |  301 +++++++++++++++++++++++++++++++---------------
>  src/i965_drv_video.h     |   14 +++
>  src/i965_output_dri.c    |    6 +-
>  src/i965_render.c        |    3 +
>  11 files changed, 326 insertions(+), 158 deletions(-)
>