[Intel-gfx] [PATCH v3 00/13] drm/i915/dp: dp 2.0 enabling prep work

Jani Nikula jani.nikula at intel.com
Fri Sep 17 12:54:23 UTC 2021


On Thu, 09 Sep 2021, Jani Nikula <jani.nikula at intel.com> wrote:
> v3 of https://patchwork.freedesktop.org/series/93800/ with minor tweaks
> and the already merged patches obviously dropped.
>
> Jani Nikula (13):
>   drm/dp: add DP 2.0 UHBR link rate and bw code conversions
>   drm/dp: use more of the extended receiver cap
>   drm/dp: add LTTPR DP 2.0 DPCD addresses
>   drm/dp: add helper for extracting adjust 128b/132b TX FFE preset

Maarten, Maxime, Thomas, can I get an ack to merge these four patches
via drm-intel please, or would you prefer a topic branch instead?

Thanks,
Jani.


>   drm/i915/dg2: add DG2+ TRANS_DDI_FUNC_CTL DP 2.0 128b/132b mode
>   drm/i915/dp: add helper for checking for UHBR link rate
>   drm/i915/dp: use 128b/132b TPS2 for UHBR+ link rates
>   drm/i915/dp: select 128b/132b channel encoding for UHBR rates
>   drm/i915/dg2: configure TRANS_DP2_CTL for DP 2.0
>   drm/i915/dp: add HAS_DP20 macro
>   drm/i915/dg2: use 128b/132b transcoder DDI mode
>   drm/i915/dg2: configure TRANS_DP2_VFREQ{HIGH,LOW} for 128b/132b
>   drm/i915/dg2: update link training for 128b/132b
>
>  drivers/gpu/drm/drm_dp_helper.c               | 42 +++++++-
>  drivers/gpu/drm/i915/display/intel_ddi.c      | 61 +++++++++---
>  drivers/gpu/drm/i915/display/intel_dp.c       |  6 ++
>  drivers/gpu/drm/i915/display/intel_dp.h       |  1 +
>  .../drm/i915/display/intel_dp_link_training.c | 99 +++++++++++++------
>  drivers/gpu/drm/i915/display/intel_dp_mst.c   | 11 +++
>  drivers/gpu/drm/i915/i915_drv.h               |  1 +
>  drivers/gpu/drm/i915/i915_reg.h               |  2 +-
>  include/drm/drm_dp_helper.h                   |  6 ++
>  9 files changed, 180 insertions(+), 49 deletions(-)

-- 
Jani Nikula, Intel Open Source Graphics Center


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