drm/i915/dp: Check if guardband can accommodate sdp latencies

Check if guardband is sufficient for all DP SDP latencies.
If its not, fail .compute_config_late().

Signed-off-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/20251017123504.2247954-4-ankit.k.nautiyal@intel.com
This commit is contained in:
Ankit Nautiyal 2025-10-17 18:05:02 +05:30
commit 69d640edc2