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Diffstat (limited to '')
| -rw-r--r-- | drivers/gpu/drm/nouveau/core/core/parent.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/core/core/parent.c b/drivers/gpu/drm/nouveau/core/core/parent.c index dee5d1235e9b..8701968a9743 100644 --- a/drivers/gpu/drm/nouveau/core/core/parent.c +++ b/drivers/gpu/drm/nouveau/core/core/parent.c @@ -75,6 +75,39 @@ nouveau_parent_sclass(struct nouveau_object *parent, u16 handle, } int +nouveau_parent_lclass(struct nouveau_object *parent, u32 *lclass, int size) +{ + struct nouveau_sclass *sclass; + struct nouveau_engine *engine; + struct nouveau_oclass *oclass; + int nr = -1, i; + u64 mask; + + sclass = nv_parent(parent)->sclass; + while (sclass) { + if (++nr < size) + lclass[nr] = sclass->oclass->handle; + sclass = sclass->sclass; + } + + mask = nv_parent(parent)->engine; + while (i = __ffs64(mask), mask) { + engine = nouveau_engine(parent, i); + if (engine && (oclass = engine->sclass)) { + while (oclass->ofuncs) { + if (++nr < size) + lclass[nr] = oclass->handle; + oclass++; + } + } + + mask &= ~(1ULL << i); + } + + return nr + 1; +} + +int nouveau_parent_create_(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_oclass *oclass, u32 pclass, |