On 2018-05-14 10:05 PM, 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 > > v2: > *This is a v2 of the original patch series which adds kernel-doc > hooks for the new dsc files in drm-kms-helpers.rst. (Daniel Vetter) > > Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx > Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> > Cc: Ville Syrjala <ville.syrjala@xxxxxxxxxxxxxxx> > Cc: Anusha Srivatsa <anusha.srivatsa@xxxxxxxxx> With my comments for patch 2 and 3 addressed patches 1-3 are Reviewed-by: Harry Wentland <harry.wentland@xxxxxxx> Patch 4 is Acked-by: Harry Wentland <harry.wentland@xxxxxxx> Harry > > 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 > > Documentation/gpu/drm-kms-helpers.rst | 12 + > drivers/gpu/drm/Makefile | 2 +- > drivers/gpu/drm/drm_dsc.c | 227 ++++++++++++++ > include/drm/drm_dp_helper.h | 1 + > include/drm/drm_dsc.h | 564 ++++++++++++++++++++++++++++++++++ > 5 files changed, 805 insertions(+), 1 deletion(-) > create mode 100644 drivers/gpu/drm/drm_dsc.c > create mode 100644 include/drm/drm_dsc.h > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
