drm/amdgpu: fix vga_set_state NULL pointer issue

Fix NULL pointer issue for vga_set_state function
as not all the ASIC need this operation.

Signed-off-by: Likun Gao <Likun.Gao@amd.com>
Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Likun Gao 2023-05-19 16:01:57 +08:00 • committed by Alex Deucher
commit b336c681bd