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drm/nouveau/device: provide a way for devinit to mark engines as disabled

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Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ilia Mirkin 2014-01-09 21:19:11 -05:00 • committed by Ben Skeggs
parent cf336014c6
commit f0d13e3a85
2 changed files with 19 additions and 5 deletions
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23
drivers/gpu/drm/nouveau/core/core/engine.c
View file

@ -42,11 +42,24 @@ nouveau_engine_create_(struct nouveau_object *parent,
if (ret) if (ret)
return ret; return ret;
if ( parent && if (parent) {
!nouveau_boolopt(nv_device(parent)->cfgopt, iname, enable)) { struct nouveau_device *device = nv_device(parent);
if (!enable) int engidx = nv_engidx(nv_object(engine));
nv_warn(engine, "disabled, %s=1 to enable\n", iname);
return -ENODEV; if (device->disable_mask & (1ULL << engidx)) {
if (!nouveau_boolopt(device->cfgopt, iname, false)) {
nv_debug(engine, "engine disabled by hw/fw\n");
return -ENODEV;
}
nv_warn(engine, "ignoring hw/fw engine disable\n");
}
if (!nouveau_boolopt(device->cfgopt, iname, enable)) {
if (!enable)
nv_warn(engine, "disabled, %s=1 to enable\n", iname);
return -ENODEV;
}
} }
INIT_LIST_HEAD(&engine->contexts); INIT_LIST_HEAD(&engine->contexts);

1
drivers/gpu/drm/nouveau/core/include/core/device.h
View file

@ -71,6 +71,7 @@ struct nouveau_device {
const char *dbgopt; const char *dbgopt;
const char *name; const char *name;
const char *cname; const char *cname;
u64 disable_mask;
enum { enum {
NV_04 = 0x04, NV_04 = 0x04,