diff options
| author | Alexandre Courbot <acourbot@nvidia.com> | 2017-02-22 20:50:09 +0900 |
|---|---|---|
| committer | Ben Skeggs <bskeggs@redhat.com> | 2017-03-07 17:05:13 +1000 |
| commit | ad147b7f57547a5597ed338f2c46f03809d7792e (patch) | |
| tree | 84dfe71f9bf19cb1142d7f27a1c4fa9eb34490cf /drivers/gpu/drm/nouveau/nvkm | |
| parent | b62880f7966781eb0b3b1e50f63d6aac362476d3 (diff) | |
| download | op-kernel-dev-ad147b7f57547a5597ed338f2c46f03809d7792e.zip op-kernel-dev-ad147b7f57547a5597ed338f2c46f03809d7792e.tar.gz | |
drm/nouveau/falcon: better detection of debug register
Not all falcons have a debug register, and it is not always found at the
same offset.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nvkm')
| -rw-r--r-- | drivers/gpu/drm/nouveau/nvkm/falcon/base.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c index 19b9d44..a4c6ee6 100644 --- a/drivers/gpu/drm/nouveau/nvkm/falcon/base.c +++ b/drivers/gpu/drm/nouveau/nvkm/falcon/base.c @@ -170,6 +170,7 @@ nvkm_falcon_ctor(const struct nvkm_falcon_func *func, struct nvkm_subdev *subdev, const char *name, u32 addr, struct nvkm_falcon *falcon) { + u32 debug_reg; u32 reg; falcon->func = func; @@ -189,8 +190,30 @@ nvkm_falcon_ctor(const struct nvkm_falcon_func *func, falcon->code.limit = (reg & 0x1ff) << 8; falcon->data.limit = (reg & 0x3fe00) >> 1; - reg = nvkm_falcon_rd32(falcon, 0xc08); - falcon->debug = (reg >> 20) & 0x1; + switch (subdev->index) { + case NVKM_ENGINE_GR: + debug_reg = 0x0; + break; + case NVKM_SUBDEV_PMU: + debug_reg = 0xc08; + break; + case NVKM_ENGINE_NVDEC: + debug_reg = 0xd00; + break; + case NVKM_ENGINE_SEC2: + debug_reg = 0x408; + break; + default: + nvkm_warn(subdev, "unsupported falcon %s!\n", + nvkm_subdev_name[subdev->index]); + debug_reg = 0; + break; + } + + if (debug_reg) { + u32 val = nvkm_falcon_rd32(falcon, debug_reg); + falcon->debug = (val >> 20) & 0x1; + } } void |
