drm/i915/lt_phy: Readout lane count

Readout lane count back from HW. Reuse existing function
for Cx0 for LT PHY case with minor modification to add
lanes as function parameters.

Signed-off-by: Mika Kahola <mika.kahola@intel.com>
Reviewed-by: Suraj Kandpal <suraj.kandpal@intel.com>
Link: https://patch.msgid.link/20260312080657.2648265-20-mika.kahola@intel.com
This commit is contained in:
Mika Kahola 2026-03-12 08:06:52 +00:00
commit ef5aa934a3
3 changed files with 9 additions and 4 deletions