drm/amdgpu: keep fbdev buffers pinned during suspend

Was dropped when we converted to the generic helpers.

Fixes: 087451f372 ("drm/amdgpu: use generic fb helpers instead of setting up AMD own's.")
Acked-by: Evan Quan <evan.quan@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Alex Deucher 2022-06-21 10:04:55 -04:00
commit 89e2b4373a