diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2017-02-14 09:56:10 +0300 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-03-07 10:05:13 +0300 |
| commit | 6ac2cc209e0096dabc8e902a8620d45f41b9fc0b (patch) | |
| tree | 1ad51b3563042d5a6cb4130e3b6e7ec058b00c2c /drivers/gpu/drm/nouveau/include | |
| parent | cfd044b02873b02236bcd93ff398504d489ddc13 (diff) | |
| download | linux-6ac2cc209e0096dabc8e902a8620d45f41b9fc0b.tar.xz | |
drm/nouveau/falcon: support for EMEM
On SEC, DMEM is unaccessible by the CPU when the falcon is running in LS
mode. This makes communication with the firmware using DMEM impossible.
For this purpose, a new kind of memory (EMEM) has been added. It works
similarly to DMEM, with the difference that its address space starts at
0x1000000. For this reason, it makes sense to treat it like a special
case of DMEM.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/include')
| -rw-r--r-- | drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h index b04d3a0e82e6..9f84ef24a8b3 100644 --- a/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h +++ b/drivers/gpu/drm/nouveau/include/nvkm/engine/falcon.h @@ -25,6 +25,7 @@ struct nvkm_falcon { u8 version; u8 secret; bool debug; + bool has_emem; struct nvkm_memory *core; bool external; |