drm/i915/dp_link_caps: Add link configuration iterator

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Add helpers to iterate over the allowed and optionally filtered set of
link configurations in a given order.

Taking into account disabled configurations will be added later when
adding support for disabling configurations.

Use the BW order in descending direction by default.

v2:
- Keep the iteration state in an iteration object. (Jani)
- Use a filter object instead of exposing configuration indices. (Jani)
- Move changes adding helpers required to setup the iteration object to
  this patch.

Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20260701153204.4124150-5-imre.deak@intel.com

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This commit is contained in:

Imre Deak 2026-07-01 18:31:33 +03:00

parent 4074974b71

commit 39e30bdf2f

2 changed files with 319 additions and 0 deletions

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213

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

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106

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

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