drm/i915/dp: Iterate configurations via link_caps for SST DSC

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Use the link caps configuration iterator for DP SST link configuration
computation for DSC mode. This is a step towards unifying configuration
selection and iteration across connector types and between compute and
fallback paths.

The iteration preserves the DP SST connector rate/lane ordering used by
the current code.

This also allows removing the now unused common rate count helper.

v2:
- Rebase on changes using a filter object instead of a mask of
  configuration indices.
- Rebase on changes using an iteration object.

Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260701153204.4124150-19-imre.deak@intel.com

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This commit is contained in:

Imre Deak 2026-07-01 18:31:47 +03:00

parent 7266df62ed

commit 4f104fc10a

3 changed files with 45 additions and 55 deletions

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92

drivers/gpu/drm/i915/display/intel_dp.c

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5

drivers/gpu/drm/i915/display/intel_dp_link_caps.c

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1

drivers/gpu/drm/i915/display/intel_dp_link_caps.h

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