drm/i915/ltphy: Return lowest portclock for HDMI from reverse algorithm

Return the lowest port clock for HDMI when the reverse algorithm
calculates it to be 0 to avoid errors later but throw a warn.

Signed-off-by: Suraj Kandpal <suraj.kandpal@intel.com>
Reviewed-by: Ankit Nautiyal <ankit.k.nautiyal@intel.com>
Link: https://patch.msgid.link/20251110061940.545183-2-suraj.kandpal@intel.com
This commit is contained in:
Suraj Kandpal 2025-11-10 11:49:41 +05:30
commit fa4aa0b271