These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / gpu / drm / nouveau / nvkm / engine / sw / nv04.c

diff --git a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
index 8970244..445217f 100644 (file)
--- a/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
+++ b/kernel/drivers/gpu/drm/nouveau/nvkm/engine/sw/nv04.c
@@ -21,15 +21,18 @@
  *
  * Authors: Ben Skeggs
  */
-#include <engine/sw.h>
-#include <engine/fifo.h>
+#define nv04_sw_chan(p) container_of((p), struct nv04_sw_chan, base)
+#include "priv.h"
+#include "chan.h"
+#include "nvsw.h"
 
-struct nv04_sw_priv {
-       struct nvkm_sw base;
-};
+#include <nvif/class.h>
+#include <nvif/ioctl.h>
+#include <nvif/unpack.h>
 
 struct nv04_sw_chan {
        struct nvkm_sw_chan base;
+       atomic_t ref;
 };
 
 /*******************************************************************************
@@ -37,103 +40,99 @@ struct nv04_sw_chan {
  ******************************************************************************/
 
 static int
-nv04_sw_set_ref(struct nvkm_object *object, u32 mthd, void *data, u32 size)
+nv04_nvsw_mthd_get_ref(struct nvkm_nvsw *nvsw, void *data, u32 size)
 {
-       struct nvkm_object *channel = (void *)nv_engctx(object->parent);
-       struct nvkm_fifo_chan *fifo = (void *)channel->parent;
-       atomic_set(&fifo->refcnt, *(u32*)data);
-       return 0;
+       struct nv04_sw_chan *chan = nv04_sw_chan(nvsw->chan);
+       union {
+               struct nv04_nvsw_get_ref_v0 v0;
+       } *args = data;
+       int ret;
+
+       if (nvif_unpack(args->v0, 0, 0, false)) {
+               args->v0.ref = atomic_read(&chan->ref);
+       }
+
+       return ret;
 }
 
 static int
-nv04_sw_flip(struct nvkm_object *object, u32 mthd, void *args, u32 size)
+nv04_nvsw_mthd(struct nvkm_nvsw *nvsw, u32 mthd, void *data, u32 size)
 {
-       struct nv04_sw_chan *chan = (void *)nv_engctx(object->parent);
-       if (chan->base.flip)
-               return chan->base.flip(chan->base.flip_data);
+       switch (mthd) {
+       case NV04_NVSW_GET_REF:
+               return nv04_nvsw_mthd_get_ref(nvsw, data, size);
+       default:
+               break;
+       }
        return -EINVAL;
 }
 
-static struct nvkm_omthds
-nv04_sw_omthds[] = {
-       { 0x0150, 0x0150, nv04_sw_set_ref },
-       { 0x0500, 0x0500, nv04_sw_flip },
-       {}
+static const struct nvkm_nvsw_func
+nv04_nvsw = {
+       .mthd = nv04_nvsw_mthd,
 };
 
-static struct nvkm_oclass
-nv04_sw_sclass[] = {
-       { 0x006e, &nvkm_object_ofuncs, nv04_sw_omthds },
-       {}
-};
+static int
+nv04_nvsw_new(struct nvkm_sw_chan *chan, const struct nvkm_oclass *oclass,
+             void *data, u32 size, struct nvkm_object **pobject)
+{
+       return nvkm_nvsw_new_(&nv04_nvsw, chan, oclass, data, size, pobject);
+}
 
 /*******************************************************************************
  * software context
  ******************************************************************************/
 
-static int
-nv04_sw_context_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-                    struct nvkm_oclass *oclass, void *data, u32 size,
-                    struct nvkm_object **pobject)
+static bool
+nv04_sw_chan_mthd(struct nvkm_sw_chan *base, int subc, u32 mthd, u32 data)
 {
-       struct nv04_sw_chan *chan;
-       int ret;
+       struct nv04_sw_chan *chan = nv04_sw_chan(base);
 
-       ret = nvkm_sw_context_create(parent, engine, oclass, &chan);
-       *pobject = nv_object(chan);
-       if (ret)
-               return ret;
+       switch (mthd) {
+       case 0x0150:
+               atomic_set(&chan->ref, data);
+               return true;
+       default:
+               break;
+       }
 
-       return 0;
+       return false;
 }
 
-static struct nvkm_oclass
-nv04_sw_cclass = {
-       .handle = NV_ENGCTX(SW, 0x04),
-       .ofuncs = &(struct nvkm_ofuncs) {
-               .ctor = nv04_sw_context_ctor,
-               .dtor = _nvkm_sw_context_dtor,
-               .init = _nvkm_sw_context_init,
-               .fini = _nvkm_sw_context_fini,
-       },
+static const struct nvkm_sw_chan_func
+nv04_sw_chan = {
+       .mthd = nv04_sw_chan_mthd,
 };
 
-/*******************************************************************************
- * software engine/subdev functions
- ******************************************************************************/
-
-void
-nv04_sw_intr(struct nvkm_subdev *subdev)
-{
-       nv_mask(subdev, 0x000100, 0x80000000, 0x00000000);
-}
-
 static int
-nv04_sw_ctor(struct nvkm_object *parent, struct nvkm_object *engine,
-            struct nvkm_oclass *oclass, void *data, u32 size,
-            struct nvkm_object **pobject)
+nv04_sw_chan_new(struct nvkm_sw *sw, struct nvkm_fifo_chan *fifo,
+                const struct nvkm_oclass *oclass, struct nvkm_object **pobject)
 {
-       struct nv04_sw_priv *priv;
-       int ret;
+       struct nv04_sw_chan *chan;
 
-       ret = nvkm_sw_create(parent, engine, oclass, &priv);
-       *pobject = nv_object(priv);
-       if (ret)
-               return ret;
+       if (!(chan = kzalloc(sizeof(*chan), GFP_KERNEL)))
+               return -ENOMEM;
+       atomic_set(&chan->ref, 0);
+       *pobject = &chan->base.object;
 
-       nv_engine(priv)->cclass = &nv04_sw_cclass;
-       nv_engine(priv)->sclass = nv04_sw_sclass;
-       nv_subdev(priv)->intr = nv04_sw_intr;
-       return 0;
+       return nvkm_sw_chan_ctor(&nv04_sw_chan, sw, fifo, oclass, &chan->base);
 }
 
-struct nvkm_oclass *
-nv04_sw_oclass = &(struct nvkm_oclass) {
-       .handle = NV_ENGINE(SW, 0x04),
-       .ofuncs = &(struct nvkm_ofuncs) {
-               .ctor = nv04_sw_ctor,
-               .dtor = _nvkm_sw_dtor,
-               .init = _nvkm_sw_init,
-               .fini = _nvkm_sw_fini,
-       },
+/*******************************************************************************
+ * software engine/subdev functions
+ ******************************************************************************/
+
+static const struct nvkm_sw_func
+nv04_sw = {
+       .chan_new = nv04_sw_chan_new,
+       .sclass = {
+               { nv04_nvsw_new, { -1, -1, NVIF_IOCTL_NEW_V0_SW_NV04 } },
+               {}
+       }
 };
+
+int
+nv04_sw_new(struct nvkm_device *device, int index, struct nvkm_sw **psw)
+{
+       return nvkm_sw_new_(&nv04_sw, device, index, psw);
+}