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Validated with Dell WD 19TB and LG 40WP95-C Tested-by: Swati Sharma On 27-09-2025 02:42 am, Imre Deak wrote: > This is v4 of [1], with the following changes: > > - Fix drm_dp_dsc_sink_max_slice_throughput()'s name. > - Use the clearer peak_pixel_rate vs. pixel_clock as the above > function's parameter. > - Clarify the meaning of peak_pixel_rate for MST tiled displays. > - Fix return value from dsc_throughput_quirk_max_bpp_x16(), in case it's > not required to limit the BPP. > > [1] https://lore.kernel.org/all/20250924152332.359768-1-imre.deak@intel.com > > Reported-by: Vidya Srinivas > Reported-by: Swati Sharma > Cc: Ville Syrjälä > Cc: dri-devel@lists.freedesktop.org > > Imre Deak (6): > drm/dp: Add quirk for Synaptics DSC throughput link-bpp limit > drm/dp: Add helpers to query the branch DSC max throughput/line-width > drm/i915/dp: Calculate DSC slice count based on per-slice peak > throughput > drm/i915/dp: Pass DPCD device descriptor to > intel_dp_get_dsc_sink_cap() > drm/i915/dp: Verify branch devices' overall pixel throughput/line > width > drm/i915/dp: Handle Synaptics DSC throughput link-bpp quirk > > drivers/gpu/drm/display/drm_dp_helper.c | 146 ++++++++++++++++++ > .../drm/i915/display/intel_display_types.h | 9 ++ > drivers/gpu/drm/i915/display/intel_dp.c | 146 ++++++++++++++++-- > drivers/gpu/drm/i915/display/intel_dp.h | 5 +- > drivers/gpu/drm/i915/display/intel_dp_mst.c | 9 +- > include/drm/display/drm_dp.h | 1 + > include/drm/display/drm_dp_helper.h | 14 ++ > 7 files changed, 316 insertions(+), 14 deletions(-) >