drm/amd/display: Add a config flag for limited_pll_vco

[Why/How]
Added a new config flag to pass to the DMUB during boot.
This workaround will solves black screen issue on reboot.

Reviewed-by: Hansen Dsouza <hansen.dsouza@amd.com>
Signed-off-by: Jingwen Zhu <Jingwen.Zhu@amd.com>
Signed-off-by: Ivan Lipski <ivan.lipski@amd.com>
Tested-by: Daniel Wheeler <daniel.wheeler@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Jingwen Zhu 2025-07-14 16:18:19 +08:00 • committed by Alex Deucher
commit 82139760dc
3 changed files with 4 additions and 1 deletions