drm/amd: Only restore cached manual clock settings in restore if OD enabled

drm/amd: Only restore cached manual clock settings in restore if OD enabled

If OD is not enabled then restoring cached clock settings doesn't make
sense and actually leads to errors in resume.

Check if enabled before restoring settings.

Fixes: 4e9526924d09 ("drm/amd: Restore cached manual clock settings during resume")
Reported-by: Jérôme Lécuyer <jerome.4a4c@gmail.com>
Closes: https://lore.kernel.org/amd-gfx/0ffe2692-7bfa-4821-856e-dd0f18e2c32b@amd.com/T/#me6db8ddb192626360c462b7570ed7eba0c6c9733
Suggested-by: Jérôme Lécuyer <jerome.4a4c@gmail.com>
Acked-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>