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authorBen Skeggs <bskeggs@redhat.com>2013-01-31 22:41:07 +1000
committerBen Skeggs <bskeggs@redhat.com>2013-02-20 16:00:47 +1000
commit750087f1245e5a5d0692de4e3e7dd76d0f5b5b0a (patch)
treef0a7e49dda343bb78c64290421d82436f3ee989d /drivers/gpu
parent9bd2ddbaa241274cd11191838d080fc308ecf6c7 (diff)
downloadlinux-750087f1245e5a5d0692de4e3e7dd76d0f5b5b0a.tar.bz2
drm/nouveau/fifo/nv84: support user event trigger
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c7
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c2
-rw-r--r--drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c19
3 files changed, 27 insertions, 1 deletions
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
index e34ab401fa52..f877bd524a92 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv04.c
@@ -28,6 +28,7 @@
#include <core/namedb.h>
#include <core/handle.h>
#include <core/ramht.h>
+#include <core/event.h>
#include <subdev/instmem.h>
#include <subdev/instmem/nv04.h>
@@ -536,6 +537,12 @@ nv04_fifo_intr(struct nouveau_subdev *subdev)
status &= ~0x00000010;
nv_wr32(priv, 0x002100, 0x00000010);
}
+
+ if (status & 0x40000000) {
+ nouveau_event_trigger(priv->base.uevent, 0);
+ nv_wr32(priv, 0x002100, 0x40000000);
+ status &= ~0x40000000;
+ }
}
if (status) {
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
index cfea451afdf2..840af6172788 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv50.c
@@ -481,7 +481,7 @@ nv50_fifo_init(struct nouveau_object *object)
nv_wr32(priv, 0x002044, 0x01003fff);
nv_wr32(priv, 0x002100, 0xffffffff);
- nv_wr32(priv, 0x002140, 0xffffffff);
+ nv_wr32(priv, 0x002140, 0xbfffffff);
for (i = 0; i < 128; i++)
nv_wr32(priv, 0x002600 + (i * 4), 0x00000000);
diff --git a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
index 8ae745b0369b..094000e87871 100644
--- a/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
+++ b/drivers/gpu/drm/nouveau/core/engine/fifo/nv84.c
@@ -26,6 +26,7 @@
#include <core/client.h>
#include <core/engctx.h>
#include <core/ramht.h>
+#include <core/event.h>
#include <core/class.h>
#include <core/math.h>
@@ -379,6 +380,20 @@ nv84_fifo_cclass = {
* PFIFO engine
******************************************************************************/
+static void
+nv84_fifo_uevent_enable(struct nouveau_event *event, int index)
+{
+ struct nv84_fifo_priv *priv = event->priv;
+ nv_mask(priv, 0x002140, 0x40000000, 0x40000000);
+}
+
+static void
+nv84_fifo_uevent_disable(struct nouveau_event *event, int index)
+{
+ struct nv84_fifo_priv *priv = event->priv;
+ nv_mask(priv, 0x002140, 0x40000000, 0x00000000);
+}
+
static int
nv84_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
struct nouveau_oclass *oclass, void *data, u32 size,
@@ -402,6 +417,10 @@ nv84_fifo_ctor(struct nouveau_object *parent, struct nouveau_object *engine,
if (ret)
return ret;
+ priv->base.uevent->enable = nv84_fifo_uevent_enable;
+ priv->base.uevent->disable = nv84_fifo_uevent_disable;
+ priv->base.uevent->priv = priv;
+
nv_subdev(priv)->unit = 0x00000100;
nv_subdev(priv)->intr = nv04_fifo_intr;
nv_engine(priv)->cclass = &nv84_fifo_cclass;