[PATCH v6 00/28] Display Stream Compression enabling on eDP/DP

[Manasi Navare]

Pushed first 7 patches of this series, thanks for the reviews.

Manasi

On Wed, Oct 24, 2018 at 03:28:12PM -0700, Manasi Navare wrote:
> VESA has developed an industry standard Display Stream Compression(DSC)
> for interoperable, visually lossless compression over display links to
> address the needs for higher resolution displays.
> 
> This patch series enables DSC on Gen 10 eDP and Gen 11 eDP/DP panels.
> This implementation is based on VESA DP 1.4 and DSC specifications.
> 
> These patches have been validated on 1080p eDP 1.4 panel with DSC support
> and FPGA based DP 1.4 sink device for following configurations:
> 
> - DSC with both VDSC engines enabled
> - DSC with only Left VDSC engine enabled
> - DSC for Input = 24bpp, Output = 8bpp
> - DSC for Input = 24bpp, Output = 10bpp
> - DSC for Input = 24bpp, output = 12bpp
> 
> This revision addresses the review feedback on previous version of the patch set:
> https://patchwork.freedesktop.org/series/47514/
> 
> Anusha Srivatsa (1):
>   drm/i915/dsc: Add slice_row_per_frame in DSC PPS programming
> 
> Gaurav K Singh (4):
>   drm/dsc: Define VESA Display Stream Compression Capabilities
>   drm/i915/dsc: Define & Compute VESA DSC params
>   drm/i915/dsc: Compute Rate Control parameters for DSC
>   drm/i915/dp: Enable/Disable DSC in DP Sink
> 
> Manasi Navare (21):
>   drm/dp: Add DP DSC DPCD receiver capability size define and missing
>     SHIFT
>   drm/i915/dp: Cache the DP/eDP DSC DPCD register set on Hotplug/eDP
>     Init
>   drm/dp: DRM DP helper/macros to get DP sink DSC parameters
>   drm/i915/dp: Add helpers for Compressed BPP and Slice Count for DSC
>   drm/i915/dp: Validate modes using max Output BPP and slice count when
>     DSC supported
>   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
>   drm/i915/dp: Add DSC params and DSC config to intel_crtc_state
>   drm/i915/dp: Compute DSC pipe config in atomic check
>   drm/i915/dp: Do not enable PSR2 if DSC is enabled
>   drm/dsc: Define the DSC 1.1 and 1.2 Line Buffer depth constants
>   drm/i915/dsc: Add a power domain for VDSC on eDP/MIPI DSI
>   drm/i915/dp: Configure i915 Picture parameter Set registers during DSC
>     enabling
>   drm/i915/dp: Use the existing write_infoframe() for DSC PPS SDPs
>   drm/i915/dp: Populate DSC PPS SDP and send PPS infoframes
>   drm/i915/dp: Configure Display stream splitter registers during DSC
>     enable
>   drm/i915/dp: Disable DSC in source by disabling DSS CTL bits
>   drm/i915/dsc: Enable and disable appropriate power wells for VDSC
>   drm/i915/dsc: Add Per connector debugfs node for DSC support/enable
>   drm/i915/dsc: Force DSC enable if requested by IGT/userspace
> 
> Srivatsa, Anusha (2):
>   drm/dsc: Define Rate Control values that do not change over
>     configurations
>   drm/i915/icl: Add Display Stream Splitter control registers
> 
>  Documentation/gpu/drm-kms-helpers.rst   |   12 +
>  drivers/gpu/drm/Makefile                |    2 +-
>  drivers/gpu/drm/drm_dp_helper.c         |   90 ++
>  drivers/gpu/drm/drm_dsc.c               |  223 +++++
>  drivers/gpu/drm/i915/Makefile           |    3 +-
>  drivers/gpu/drm/i915/i915_debugfs.c     |   71 +-
>  drivers/gpu/drm/i915/i915_drv.h         |    5 +
>  drivers/gpu/drm/i915/i915_reg.h         |   35 +
>  drivers/gpu/drm/i915/intel_ddi.c        |    5 +
>  drivers/gpu/drm/i915/intel_display.c    |   39 +-
>  drivers/gpu/drm/i915/intel_display.h    |    4 +-
>  drivers/gpu/drm/i915/intel_dp.c         |  361 +++++++-
>  drivers/gpu/drm/i915/intel_dp_mst.c     |    2 +-
>  drivers/gpu/drm/i915/intel_drv.h        |   24 +
>  drivers/gpu/drm/i915/intel_hdmi.c       |   23 +-
>  drivers/gpu/drm/i915/intel_psr.c        |   16 +-
>  drivers/gpu/drm/i915/intel_runtime_pm.c |    4 +-
>  drivers/gpu/drm/i915/intel_vdsc.c       | 1103 +++++++++++++++++++++++
>  include/drm/drm_dp_helper.h             |   40 +
>  include/drm/drm_dsc.h                   |  491 ++++++++++
>  20 files changed, 2503 insertions(+), 50 deletions(-)
>  create mode 100644 drivers/gpu/drm/drm_dsc.c
>  create mode 100644 drivers/gpu/drm/i915/intel_vdsc.c
>  create mode 100644 include/drm/drm_dsc.h
> 
> -- 
> 2.18.0
>