This is v2 of [1], with the following changes: - Store the pbn_div value in fixed point format. - Fix PBN calculation in patch 8. - Reuse intel_dp_max_data_rate(), intel_dp_effective_data_rate() in intel_link_compute_m_n() (Jani). [1] https://lore.kernel.org/all/20231113201110.510724-1-imre.deak@xxxxxxxxx Cc: Arun R Murthy <arun.r.murthy@xxxxxxxxx> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx> Cc: Lyude Paul <lyude@xxxxxxxxxx> Imre Deak (11): drm/dp_mst: Store the MST PBN divider value in fixed point format drm/dp_mst: Fix PBN divider calculation for UHBR rates drm/dp_mst: Add kunit tests for drm_dp_get_vc_payload_bw() drm/i915/dp: Replace intel_dp_is_uhbr_rate() with drm_dp_is_uhbr_rate() drm/i915/dp: Account for channel coding efficiency on UHBR links drm/i915/dp: Fix UHBR link M/N values drm/i915/dp_mst: Calculate the BW overhead in intel_dp_mst_find_vcpi_slots_for_bpp() drm/i915/dp_mst: Fix PBN / MTP_TU size calculation for UHBR rates drm/i915/dp: Report a rounded-down value as the maximum data rate drm/i915/dp: Simplify intel_dp_max_data_rate() drm/i915/dp: Reuse intel_dp_{max,effective}_data_rate in intel_link_compute_m_n() .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 5 +- .../amd/display/amdgpu_dm/amdgpu_dm_helpers.c | 3 +- .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 5 +- drivers/gpu/drm/display/drm_dp_mst_topology.c | 31 +++- drivers/gpu/drm/i915/display/intel_display.c | 51 ++---- drivers/gpu/drm/i915/display/intel_dp.c | 78 +++++++--- drivers/gpu/drm/i915/display/intel_dp.h | 5 +- drivers/gpu/drm/i915/display/intel_dp_mst.c | 55 +++++-- drivers/gpu/drm/nouveau/dispnv50/disp.c | 6 +- .../gpu/drm/tests/drm_dp_mst_helper_test.c | 145 ++++++++++++++++++ include/drm/display/drm_dp_helper.h | 13 ++ include/drm/display/drm_dp_mst_helper.h | 7 +- 12 files changed, 311 insertions(+), 93 deletions(-) -- 2.39.2
