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authorBen Skeggs <bskeggs@redhat.com>2012-11-23 12:40:30 +1000
committerBen Skeggs <bskeggs@redhat.com>2013-01-16 19:48:49 +1000
commitc41b494c47f8e514e69cb8c2f2ace41d5fa17c94 (patch)
tree1563deb3f0f957dba19cf5328ce4fe15e5f5923d
parent9e6f96a579fc2ed241e9a31a35a5995129ee8f7a (diff)
nouveau: expose channel engine selection on kepler chipsets
v2: Take Maarten Lankhorst's suggestion of nesting the struct to prevent sizeof() issues due to padding on older revisions. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
-rw-r--r--nouveau/abi16.c28
-rw-r--r--nouveau/nouveau.c3
-rw-r--r--nouveau/nouveau.h16
-rw-r--r--nouveau/private.h1
4 files changed, 48 insertions, 0 deletions
diff --git a/nouveau/abi16.c b/nouveau/abi16.c
index a67fbc12..f34175e0 100644
--- a/nouveau/abi16.c
+++ b/nouveau/abi16.c
@@ -24,9 +24,11 @@
#include <stdlib.h>
#include <stdint.h>
+#include <stddef.h>
#include "private.h"
+
int
abi16_chan_nv04(struct nouveau_object *obj)
{
@@ -70,6 +72,32 @@ abi16_chan_nvc0(struct nouveau_object *obj)
}
int
+abi16_chan_nve0(struct nouveau_object *obj)
+{
+ struct nouveau_device *dev = (struct nouveau_device *)obj->parent;
+ struct drm_nouveau_channel_alloc req = {};
+ struct nve0_fifo *nve0 = obj->data;
+ int ret;
+
+ if (obj->length > offsetof(struct nve0_fifo, engine)) {
+ req.fb_ctxdma_handle = 0xffffffff;
+ req.tt_ctxdma_handle = nve0->engine;
+ }
+
+ ret = drmCommandWriteRead(dev->fd, DRM_NOUVEAU_CHANNEL_ALLOC,
+ &req, sizeof(req));
+ if (ret)
+ return ret;
+
+ nve0->base.channel = req.channel;
+ nve0->base.pushbuf = req.pushbuf_domains;
+ nve0->notify = req.notifier_handle;
+ nve0->base.object->handle = req.channel;
+ nve0->base.object->length = sizeof(*nve0);
+ return 0;
+}
+
+int
abi16_engobj(struct nouveau_object *obj)
{
struct drm_nouveau_grobj_alloc req = {
diff --git a/nouveau/nouveau.c b/nouveau/nouveau.c
index 940d9339..9b32e319 100644
--- a/nouveau/nouveau.c
+++ b/nouveau/nouveau.c
@@ -247,7 +247,10 @@ nouveau_object_new(struct nouveau_object *parent, uint64_t handle,
if (dev->chipset < 0xc0)
ret = abi16_chan_nv04(obj);
else
+ if (dev->chipset < 0xe0)
ret = abi16_chan_nvc0(obj);
+ else
+ ret = abi16_chan_nve0(obj);
}
break;
default:
diff --git a/nouveau/nouveau.h b/nouveau/nouveau.h
index c42eea7a..a55e2b02 100644
--- a/nouveau/nouveau.h
+++ b/nouveau/nouveau.h
@@ -41,6 +41,22 @@ struct nvc0_fifo {
uint32_t notify;
};
+#define NVE0_FIFO_ENGINE_GR 0x00000001
+#define NVE0_FIFO_ENGINE_VP 0x00000002
+#define NVE0_FIFO_ENGINE_PPP 0x00000004
+#define NVE0_FIFO_ENGINE_BSP 0x00000008
+#define NVE0_FIFO_ENGINE_CE0 0x00000010
+#define NVE0_FIFO_ENGINE_CE1 0x00000020
+#define NVE0_FIFO_ENGINE_ENC 0x00000040
+
+struct nve0_fifo {
+ struct {
+ struct nouveau_fifo base;
+ uint32_t notify;
+ };
+ uint32_t engine;
+};
+
struct nv04_notify {
struct nouveau_object *object;
uint32_t offset;
diff --git a/nouveau/private.h b/nouveau/private.h
index b409cc8d..8a5cb261 100644
--- a/nouveau/private.h
+++ b/nouveau/private.h
@@ -113,6 +113,7 @@ nouveau_device_open_existing(struct nouveau_device **, int, int, drm_context_t);
/* abi16.c */
int abi16_chan_nv04(struct nouveau_object *);
int abi16_chan_nvc0(struct nouveau_object *);
+int abi16_chan_nve0(struct nouveau_object *);
int abi16_engobj(struct nouveau_object *);
int abi16_ntfy(struct nouveau_object *);
void abi16_bo_info(struct nouveau_bo *, struct drm_nouveau_gem_info *);