[PATCH 0/4] DRM helpers for Display Stream Compression PPS infoframes

[Manasi Navare]

On Mon, May 14, 2018 at 06:50:28PM +0200, Daniel Vetter wrote:
> On Wed, May 09, 2018 at 02:58:23PM -0700, Manasi Navare wrote:
> > VESA Display Stream Compression is a specification for visually losless
> > video compression over display links. The DSC standard also defines
> > a picture parameter set (PPS) which encoder must communicate to decoders.
> > This is done by encapsulating PPS header and payload bytes in an infoframe
> > that can be sent to the display sink using secondary data packets
> > as defined in DP 1.4 spec.
> > 
> > This patch series creates a new files drm_dsc.h and drm_dsc.c
> > which define all the DSC related structures and helpers that
> > can be called by drivers to form DSC PPS infoframes before
> > enabling Display Stream compression on eDP/DP/MIPI
> 
> Just an aside: At least here the threading for this patch series seems
> off. And patchwork also didn't pick up your cover letter:
> 
> https://patchwork.freedesktop.org/series/42969/
>

Yes the cover letter didnt get sent to the dri-devel, only to the
intel-gfx M-L: https://patchwork.freedesktop.org/series/42968/
 
> > 
> > These files can be used to add more DSC spec related helpers
> > common to all drivers.
> > 
> > Gaurav K Singh (1):
> >   drm/dsc: Define VESA Display Stream Compression Capabilities
> > 
> > Manasi Navare (3):
> >   drm/dp: Define payload size for DP SDP PPS packet
> >   drm/dsc: Define Display Stream Compression PPS infoframe
> >   drm/dsc: Add helpers for DSC picture parameter set infoframes
> > 
> >  drivers/gpu/drm/Makefile    |   2 +-
> >  drivers/gpu/drm/drm_dsc.c   | 222 ++++++++++++++++++
> >  include/drm/drm_dp_helper.h |   1 +
> >  include/drm/drm_dsc.h       | 539 ++++++++++++++++++++++++++++++++++++++++++++
> 
> Please include these new files into the overall kernel-doc structure (and
> make sure stuff is sufficiently documented).

I have added the necessary headers and documentation in the files itself
but will update the kernel-doc structure as wellf or these.

Manasi

> 
> Thanks, Daniel
> 
> >  4 files changed, 763 insertions(+), 1 deletion(-)
> >  create mode 100644 drivers/gpu/drm/drm_dsc.c
> >  create mode 100644 include/drm/drm_dsc.h
> > 
> > -- 
> > 2.7.4
> > 
> > _______________________________________________
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> > dri-devel at lists.freedesktop.org
> > https://lists.freedesktop.org/mailman/listinfo/dri-devel
> 
> -- 
> Daniel Vetter
> Software Engineer, Intel Corporation
> http://blog.ffwll.ch