diff options
Diffstat (limited to 'drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c')
-rw-r--r-- | drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c | 56 |
1 files changed, 36 insertions, 20 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c index 5996a30..71387c4 100644 --- a/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c +++ b/drivers/gpu/drm/nouveau/core/engine/dmaobj/nv50.c @@ -22,8 +22,11 @@ * Authors: Ben Skeggs */ +#include <core/client.h> #include <core/gpuobj.h> #include <core/class.h> +#include <nvif/unpack.h> +#include <nvif/class.h> #include <subdev/fb.h> @@ -90,10 +93,11 @@ nv50_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, struct nouveau_object **pobject) { struct nouveau_dmaeng *dmaeng = (void *)engine; - struct nv50_dmaobj_priv *priv; union { - u32 conf0; + struct nv50_dma_v0 v0; } *args; + struct nv50_dmaobj_priv *priv; + u32 user, part, comp, kind; int ret; ret = nvkm_dmaobj_create(parent, engine, oclass, &data, &size, &priv); @@ -102,24 +106,36 @@ nv50_dmaobj_ctor(struct nouveau_object *parent, struct nouveau_object *engine, return ret; args = data; - if (!(args->conf0 & NV50_DMA_CONF0_ENABLE)) { - if (priv->base.target == NV_MEM_TARGET_VM) { - args->conf0 = NV50_DMA_CONF0_PRIV_VM; - args->conf0 |= NV50_DMA_CONF0_PART_VM; - args->conf0 |= NV50_DMA_CONF0_COMP_VM; - args->conf0 |= NV50_DMA_CONF0_TYPE_VM; + nv_ioctl(parent, "create nv50 dma size %d\n", size); + if (nvif_unpack(args->v0, 0, 0, false)) { + nv_ioctl(parent, "create nv50 dma vers %d priv %d part %d " + "comp %d kind %02x\n", args->v0.version, + args->v0.priv, args->v0.part, args->v0.comp, + args->v0.kind); + user = args->v0.priv; + part = args->v0.part; + comp = args->v0.comp; + kind = args->v0.kind; + } else + if (size == 0) { + if (priv->base.target != NV_MEM_TARGET_VM) { + user = NV50_DMA_V0_PRIV_US; + part = NV50_DMA_V0_PART_256; + comp = NV50_DMA_V0_COMP_NONE; + kind = NV50_DMA_V0_KIND_PITCH; } else { - args->conf0 = NV50_DMA_CONF0_PRIV_US; - args->conf0 |= NV50_DMA_CONF0_PART_256; - args->conf0 |= NV50_DMA_CONF0_COMP_NONE; - args->conf0 |= NV50_DMA_CONF0_TYPE_LINEAR; + user = NV50_DMA_V0_PRIV_VM; + part = NV50_DMA_V0_PART_VM; + comp = NV50_DMA_V0_COMP_VM; + kind = NV50_DMA_V0_KIND_VM; } - } + } else + return ret; - priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_COMP) << 22; - priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_TYPE) << 22; - priv->flags0 |= (args->conf0 & NV50_DMA_CONF0_PRIV); - priv->flags5 |= (args->conf0 & NV50_DMA_CONF0_PART); + if (user > 2 || part > 2 || comp > 3 || kind > 0x7f) + return -EINVAL; + priv->flags0 = (comp << 29) | (kind << 22) | (user << 20); + priv->flags5 = (part << 16); switch (priv->base.target) { case NV_MEM_TARGET_VM: @@ -165,9 +181,9 @@ nv50_dmaobj_ofuncs = { static struct nouveau_oclass nv50_dmaeng_sclass[] = { - { NV_DMA_FROM_MEMORY_CLASS, &nv50_dmaobj_ofuncs }, - { NV_DMA_TO_MEMORY_CLASS, &nv50_dmaobj_ofuncs }, - { NV_DMA_IN_MEMORY_CLASS, &nv50_dmaobj_ofuncs }, + { NV_DMA_FROM_MEMORY, &nv50_dmaobj_ofuncs }, + { NV_DMA_TO_MEMORY, &nv50_dmaobj_ofuncs }, + { NV_DMA_IN_MEMORY, &nv50_dmaobj_ofuncs }, {} }; |