drm/nouveau/gr/tu102: add gv100_gr_init_4188a4

Match RM.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr/gv100-: drop a write from init_shader_exceptions()

Match RM.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr/gv100-: fix number of tile map registers

Match RM.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr/gv100-: port smid mapping code from nvgpu

Essentially ripped verbatim from NVGPU, comments and all, and adapted to
nvkm's structs and style.

- maybe fixes an nvgpu bug though, a small tweak was needed to match RM

v2:
- remove unnecessary WARN_ON

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr/gf100-: move some init to init_exception2()

Ampere.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr/gf100-: move some init to init_rop_exceptions()

Ampere.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr/gf100-: move reset during golden ctx init to fecs_reset()

Ampere.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr: switch to instanced constructor

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Reviewed-by: Lyude Paul <lyude@redhat.com>

drm/nouveau/gr/gm200-: explicitly handle nofw

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/gr/tu10x: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/gr/gf100-: select implementation based on available FW

This will allow for further customisation of the subdev depending on what
firmware is available.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/gr/gv100: handle multiple SM-per-TPC for shader exceptions

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/gr/gv100: initial support

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>