drm/i915/dp: Factor out intel_dp_link_bw_overhead()

Factor out intel_dp_link_bw_overhead(), used later for BW calculation
during DP SST mode validation and state computation.

Reviewed-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patch.msgid.link/20251215192357.172201-7-imre.deak@intel.com
This commit is contained in:
Imre Deak 2025-12-15 21:23:46 +02:00
commit 78cfaaa111
3 changed files with 34 additions and 16 deletions