drm/amdgpu: Remove useless amdgpu_display_freesync_ioctl() declaration

Signed-off-by: Leslie Shi <Yuliang.Shi@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Leslie Shi 2022-06-27 12:52:17 +08:00 • committed by Alex Deucher
commit 5c4904ac34