Commit ad147b7f authored by Alexandre Courbot's avatar Alexandre Courbot Committed by Ben Skeggs

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: default avatarAlexandre Courbot <acourbot@nvidia.com>
Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent b62880f7
......@@ -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
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment