The imx6sl soc has gpu_2d and gpu_vg, no 3d support:

etnaviv-gpu 2200000.gpu: model: GC320, revision: 5007
etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215

The IP blocks seem to be already supported.
Signed-off-by: NLeonard Crestez <leonard.crestez@nxp.com>
Reviewed-by: NLucas Stach <l.stach@pengutronix.de>
Reviewed-by: NFabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>