commit 7fc74f17e6c9b4d86371c3a947afc32bd6bc9691
author Marcin Kościelnicki <koriakin@0x04.net> Sun May 23 11:36:04 2010 +0000
committer Ben Skeggs <bskeggs@redhat.com> Fri May 28 16:06:21 2010 +1000
tree 3658c270bd5c45a408779040e2db181e5fca855b
parent b334f2b3b68c35fd86a0cbc90ecee40e63ba2f37

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 Kościelnicki <koriakin@0x04.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

drivers/gpu/drm/nouveau/nouveau_state.c

diff --git a/drivers/gpu/drm/nouveau/nouveau_state.c b/drivers/gpu/drm/nouveau/nouveau_state.c
index e632339..a2544ffd 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -913,6 +913,9 @@
 	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