summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/nouveau/nouveau_state.c
diff options
context:
space:
mode:
authorMarcin Koƛcielnicki <koriakin@0x04.net>2010-05-23 11:36:04 +0000
committerBen Skeggs <bskeggs@redhat.com>2010-05-28 16:06:21 +1000
commit7fc74f17e6c9b4d86371c3a947afc32bd6bc9691 (patch)
tree3658c270bd5c45a408779040e2db181e5fca855b /drivers/gpu/drm/nouveau/nouveau_state.c
parentb334f2b3b68c35fd86a0cbc90ecee40e63ba2f37 (diff)
drm/nouveau: Add getparam for current PTIMER time.
This will be useful for computing GPU-CPU latency, including GL_ARB_timer_query extension. Signed-off-by: Marcin Koƛcielnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_state.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_state.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index e632339c323..a2544ffd02c 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -913,6 +913,9 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
case NOUVEAU_GETPARAM_VM_VRAM_BASE:
getparam->value = dev_priv->vm_vram_base;
break;
+ case NOUVEAU_GETPARAM_PTIMER_TIME:
+ getparam->value = dev_priv->engine.timer.read(dev);
+ break;
case NOUVEAU_GETPARAM_GRAPH_UNITS:
/* NV40 and NV50 versions are quite different, but register
* address is the same. User is supposed to know the card