drm/amdgpu: batch PDE updates again

Now instead of one submission for each PDE batch them together over all
PDs who need an update.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
1 file changed