Follow the sizing consideration in bug 1753763 to support dynamic TPC modes and subcontexts. bug 200350539 Change-Id: Ibbdbf02f9c2ea3f082c1b2810ae7176b0775d461 Signed-off-by: David Nieto <dmartineznie@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/1584034 Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com> Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>