Etnaviv driver does bind with 4.9-rc1

[Lucas Stach]

Am Montag, den 17.10.2016, 12:49 -0200 schrieb Fabio Estevam:
> Hi,
> 
> With kernel 4.8.2 the following messages are seen on a mx6q:
> 
> root at imx6qsabresd:~# dmesg | grep etnaviv
> [    2.378176] etnaviv gpu-subsystem: bound 134000.gpu (ops gpu_ops)
> [    2.384352] etnaviv gpu-subsystem: bound 130000.gpu (ops gpu_ops)
> [    2.390542] etnaviv gpu-subsystem: bound 2204000.gpu (ops gpu_ops)
> [    2.396745] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007
> [    2.448947] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108
> [    2.500001] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215
> [    2.506119] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0
> 
> However, with 4.9-rc1 none of these log messages appear:
> 
> root at imx6qsabresd:~# dmesg | grep etnaviv
> root at imx6qsabresd:~#
> 
> For some reason etnaviv_gpu_bind() is never getting called.
> 
> I haven't debugged this yet. If anyone has some ideas, please let me know.

This is the same issue you already fixed yourself in patch "ARM: imx:
gpc: Initialize all power domains" ;)

If the GPC driver fails to probe you get no power domains and the
etnaviv GPU drivers won't even be probed without them.

Regards,
Lucas