diff options
| author | Ilia Mirkin | 2014-01-09 21:19:11 -0500 |
|---|---|---|
| committer | Ben Skeggs | 2014-01-23 13:39:13 +1000 |
| commit | f0d13e3a851ef29691076d89ff7ee69f004037a7 (patch) | |
| tree | d9f952fdbb529aa50c4a48ab1cbb88e460465d5e | |
| parent | cf336014c6dc3ef1431d84b5a94e47a22660493b (diff) | |
drm/nouveau/device: provide a way for devinit to mark engines as disabled
Signed-off-by: Ilia Mirkin <imirkin@alum.mit.edu>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/core/engine.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/include/core/device.h | 1 |
2 files changed, 19 insertions, 5 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/engine.c b/drivers/gpu/drm/nouveau/core/core/engine.c index c8bed4a26833..1f6954ae9dd3 100644 --- a/drivers/gpu/drm/nouveau/core/core/engine.c +++ b/drivers/gpu/drm/nouveau/core/core/engine.c @@ -42,11 +42,24 @@ nouveau_engine_create_(struct nouveau_object *parent, if (ret) return ret; - if ( parent && - !nouveau_boolopt(nv_device(parent)->cfgopt, iname, enable)) { - if (!enable) - nv_warn(engine, "disabled, %s=1 to enable\n", iname); - return -ENODEV; + if (parent) { + struct nouveau_device *device = nv_device(parent); + int engidx = nv_engidx(nv_object(engine)); + + 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); diff --git a/drivers/gpu/drm/nouveau/core/include/core/device.h b/drivers/gpu/drm/nouveau/core/include/core/device.h index 24809c10b4b3..7b8ea221b00d 100644 --- a/drivers/gpu/drm/nouveau/core/include/core/device.h +++ b/drivers/gpu/drm/nouveau/core/include/core/device.h @@ -71,6 +71,7 @@ struct nouveau_device { const char *dbgopt; const char *name; const char *cname; + u64 disable_mask; enum { NV_04 = 0x04, |