drm/nouveau: Expose some BO usage flags to userspace.

This will be needed for Z compression and to take smarter placement
decisions.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Acked-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>

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 af2bec36d91b..ea3452194cd6 100644
--- a/drivers/gpu/drm/nouveau/nouveau_state.c
+++ b/drivers/gpu/drm/nouveau/nouveau_state.c
@@ -1041,6 +1041,9 @@ int nouveau_ioctl_getparam(struct drm_device *dev, void *data,
         case NOUVEAU_GETPARAM_PTIMER_TIME:
                 getparam->value = dev_priv->engine.timer.read(dev);
                 break;
+        case NOUVEAU_GETPARAM_HAS_BO_USAGE:
+                getparam->value = 1;
+                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