RADEON_CG_BLOCK_VCE
cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false);
cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true);
if (block & RADEON_CG_BLOCK_VCE) {
cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, false);
cik_update_cg(rdev, RADEON_CG_BLOCK_VCE, true);