drm/amd/display: Fix DC Hub reference frequency assert range

[Why & How]
The DC Hub reference frequency valid range was asserted incorrectly.
Correct the range to 20 to 50 MHz and update the comment accordingly.

Reviewed-by: Sridevi Arvindekar <sridevi.arvindekar@amd.com>
Reviewed-by: Dillon Varone <dillon.varone@amd.com>
Signed-off-by: Nevenko Stupar <Nevenko.Stupar@amd.com>
Signed-off-by: Ray Wu <ray.wu@amd.com>
Tested-by: Dan Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Nevenko Stupar 2026-08-27 15:56:41 -04:00 • committed by Alex Deucher
commit ab796810df