drm/nouveau/gr/ga102: initial support

v2:
- whitespace

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Gourav Samaiya <gsamaiya@nvidia.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/ltc: split color vs depth/stencil zbc counts

These differ on 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/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/gp102-: setup stencil zbc

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

drm/nouveau/gr/gp100-: use correct registers for zbc colour/depth setup

These were missed the first time around due to the driver version I traced
using the older registers still.

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

drm/nouveau/gr/gf100-: calculate and use sm mapping table

There's a number of places that require this data, so let's separate out
the calculations to ensure they remain consistent.

This is incorrect for GM200 and newer, but will produce the same results
as we did before.

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

drm/nouveau/gr/gf100-: port tile mapping calculations from NVGPU

There's also a couple of hardcoded tables for a couple of very specific
configurations that NVGPU's algorithm didn't work for.

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

drm/nouveau/gr/gf100-: virtualise trap_mp

Required to support Volta.

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

drm/nouveau/gr/gf100-: virtualise tpc_mask + apply fixes from traces

We weren't placing higher TPC IDs in the right place on some configurations.

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

drm/nouveau/gr/gf100-: delete duplicated init code

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

drm/nouveau/gr/gf100-: virtualise init_shader_exceptions

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

drm/nouveau/gr/gf100-: virtualise init_504430

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

drm/nouveau/gr/gf100-: virtualise init_tex_hww_esr

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

drm/nouveau/gr/gf100-: virtualise init_419cc0 + apply fixes from traces

Pulled some init out of main per-GPC/TPC loops to match RM.

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

drm/nouveau/gr/gf100-: virtualise init_sked_hww_esr

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

drm/nouveau/gr/gf100-: virtualise init_ds_hww_esr_2

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

drm/nouveau/gr/gf100-: virtualise init_fecs_exceptions + apply fixes from traces

The value for GF100 has changed here, but it matches RM now.

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

drm/nouveau/gr/gf100-: virtualise init_swdx_pes_mask

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

drm/nouveau/gr/gf100-: virtualise init_num_active_ltcs

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

drm/nouveau/gr/gf100-: virtualise init_zcull

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

drm/nouveau/gr/gf100-: virtualise init_vsc_stream_master

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

drm/nouveau/gr/gp107: initial support

Forked from GP106 implementation.

Differences:
- 1 PPC/GPC
- Slightly different grctx magics

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

drm/nouveau/gr: support for GP10B

GR is similar to GP100, with a few unavailable registers.

Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drm/nouveau/gr/gp102: initial support

Differences from GP100:
- 3 PPCs/GPC.
- Another random reg to calculate/write.
- Attrib CB setup a little different.
- PascalB
- PascalComputeB

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