BTW - sorry it took me a little while to get back to this, I'm still getting back into the swing of things but I should be able to review this next week :) Thanks for all of the work you've done so far! On Mon, 2023-10-30 at 17:58 +0200, Imre Deak wrote: > This is v4 of [1] with the following changes: > > - Fix a race condition between connector setup and registration > (added patch 1). > - Rename DRM_DP_OVERHEAD_SSC to DRM_DP_OVERHEAD_SSC_REF_CLK > (Ville, patch 9). > - Fix setting crtc_state->fec_enable, once crtc_state->port_clock > required for it is already set (patch 10). > - Fix passing the correct fec_enable parameter to > intel_dp_bw_fec_overhead() (patch 12). > - Fix TU size, making it match the payload size in the payload table > (Patch 13). > - Apply the HBLANK expansion quirk whenever the HBLANK period is > 300ns or less (Patch 21). > - Fix refcounting of the DSC AUX decompression device > (Stan, patch 25). > - Fix HW readout/sanitize for the connector DSC decompression enabled > state (patch 25). > - Move intel_crtc_needs_modeset() check to callers of > clear_pipe_update_flags_on_modeset_crtc() (Ville, patch 26). > - Fix forcing modeset on CRTC due to a change in MST topology > (Ville, patch 27). > - Add missing DocBooks, fix typos. > > [1] https://lore.kernel.org/all/20231024010925.3949910-1-imre.deak@xxxxxxxxx > > Cc: Stanislav Lisovskiy <stanislav.lisovskiy@xxxxxxxxx> > Cc: Lyude Paul <lyude@xxxxxxxxxx> > Cc: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > Cc: Ankit Nautiyal <ankit.k.nautiyal@xxxxxxxxx> > Cc: Arun R Murthy <arun.r.murthy@xxxxxxxxx> > > Imre Deak (28): > drm/i915/dp_mst: Fix race between connector registration and setup > drm/dp_mst: Add helper to determine if an MST port is downstream of > another port > drm/dp_mst: Factor out a helper to check the atomic state of a > topology manager > drm/dp_mst: Swap the order of checking root vs. non-root port BW > limitations > drm/dp_mst: Allow DSC in any Synaptics last branch device > drm/dp: Add DP_HBLANK_EXPANSION_CAPABLE and DSC_PASSTHROUGH_EN DPCD > flags > drm/dp_mst: Add HBLANK expansion quirk for Synaptics MST hubs > drm/dp: Add helpers to calculate the link BW overhead > drm/i915/dp_mst: Enable FEC early once it's known DSC is needed > drm/i915/dp: Specify the FEC overhead as an increment vs. a remainder > drm/i915/dp: Pass actual BW overhead to m_n calculation > drm/i915/dp_mst: Account for FEC and DSC overhead during BW allocation > drm/i915/dp_mst: Add atomic state for all streams on pre-tgl platforms > drm/i915/dp_mst: Program the DSC PPS SDP for each stream > drm/i915/dp: Make sure the DSC PPS SDP is disabled whenever DSC is > disabled > drm/i915/dp_mst: Add missing DSC compression disabling > drm/i915/dp: Rename intel_ddi_disable_fec_state() to > intel_ddi_disable_fec() > drm/i915/dp: Wait for FEC detected status in the sink > drm/i915/dp: Disable FEC ready flag in the sink > drm/i915/dp_mst: Handle the Synaptics HBlank expansion quirk > drm/i915/dp_mst: Enable decompression in the sink from the MST encoder > hooks > drm/i915/dp: Enable DSC via the connector decompression AUX > drm/i915/dp_mst: Enable DSC passthrough > drm/i915/dp_mst: Enable MST DSC decompression for all streams > drm/i915: Factor out function to clear pipe update flags > drm/i915/dp_mst: Force modeset CRTC if DSC toggling requires it > drm/i915/dp_mst: Improve BW sharing between MST streams > drm/i915/dp_mst: Check BW limitations only after all streams are > computed > > Stanislav Lisovskiy (1): > drm/i915: Query compressed bpp properly using correct DPCD and DP Spec > info > > Ville Syrjälä (1): > drm/dp_mst: Fix fractional DSC bpp handling > > .../gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c | 2 +- > .../display/amdgpu_dm/amdgpu_dm_mst_types.c | 2 +- > drivers/gpu/drm/display/drm_dp_helper.c | 134 +++++ > drivers/gpu/drm/display/drm_dp_mst_topology.c | 206 +++++-- > drivers/gpu/drm/i915/display/intel_ddi.c | 136 ++++- > drivers/gpu/drm/i915/display/intel_ddi.h | 3 + > drivers/gpu/drm/i915/display/intel_display.c | 101 ++-- > drivers/gpu/drm/i915/display/intel_display.h | 4 +- > .../drm/i915/display/intel_display_types.h | 3 + > drivers/gpu/drm/i915/display/intel_dp.c | 256 +++++++- > drivers/gpu/drm/i915/display/intel_dp.h | 23 +- > drivers/gpu/drm/i915/display/intel_dp_mst.c | 564 +++++++++++++++--- > drivers/gpu/drm/i915/display/intel_dp_mst.h | 5 + > drivers/gpu/drm/i915/display/intel_fdi.c | 5 +- > drivers/gpu/drm/i915/display/intel_link_bw.c | 16 +- > drivers/gpu/drm/i915/display/intel_link_bw.h | 1 + > .../drm/i915/display/intel_modeset_setup.c | 6 + > drivers/gpu/drm/nouveau/dispnv50/disp.c | 3 +- > .../gpu/drm/tests/drm_dp_mst_helper_test.c | 6 +- > include/drm/display/drm_dp.h | 2 + > include/drm/display/drm_dp_helper.h | 18 + > include/drm/display/drm_dp_mst_helper.h | 9 +- > 22 files changed, 1270 insertions(+), 235 deletions(-) > -- Cheers, Lyude Paul (she/her) Software Engineer at Red Hat