diff options
| author | Dave Airlie <airlied@panoply-rh.(none)> | 2008-03-17 16:37:46 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@panoply-rh.(none)> | 2008-03-17 16:38:20 +1000 |
| commit | 607964ed9e5f6d86a0960bef2341e7f5de9c71da (patch) | |
| tree | 2fa0f3ff0bc57846eded35c4b76e92c08dbec7c5 /linux-core | |
| parent | 2d0411cb7544ea45b5879d4f454cb9ee3c9ff5fb (diff) | |
drm: add master set/drop protocol
this may not survive long - just need something for testing
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drmP.h | 4 | ||||
| -rw-r--r-- | linux-core/drm_drv.c | 3 | ||||
| -rw-r--r-- | linux-core/drm_stub.c | 23 |
3 files changed, 30 insertions, 0 deletions
diff --git a/linux-core/drmP.h b/linux-core/drmP.h index 8273c879..c2c3cdde 100644 --- a/linux-core/drmP.h +++ b/linux-core/drmP.h @@ -1266,6 +1266,10 @@ extern int drm_agp_unbind_memory(DRM_AGP_MEM * handle); extern struct drm_ttm_backend *drm_agp_init_ttm(struct drm_device *dev); extern void drm_agp_chipset_flush(struct drm_device *dev); /* Stub support (drm_stub.h) */ +extern int drm_setmaster_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); +extern int drm_dropmaster_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv); extern struct drm_master *drm_get_master(struct drm_minor *minor); extern void drm_put_master(struct drm_master *master); extern int drm_get_dev(struct pci_dev *pdev, const struct pci_device_id *ent, diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index 09372c71..649d4cae 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -76,6 +76,9 @@ static struct drm_ioctl_desc drm_ioctls[] = { DRM_IOCTL_DEF(DRM_IOCTL_SET_SAREA_CTX, drm_setsareactx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_GET_SAREA_CTX, drm_getsareactx, DRM_AUTH), + DRM_IOCTL_DEF(DRM_IOCTL_SET_MASTER, drm_setmaster_ioctl, DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_DROP_MASTER, drm_dropmaster_ioctl, DRM_ROOT_ONLY), + DRM_IOCTL_DEF(DRM_IOCTL_ADD_CTX, drm_addctx, DRM_AUTH|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_RM_CTX, drm_rmctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), DRM_IOCTL_DEF(DRM_IOCTL_MOD_CTX, drm_modctx, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY), diff --git a/linux-core/drm_stub.c b/linux-core/drm_stub.c index 6856075b..f66dec07 100644 --- a/linux-core/drm_stub.c +++ b/linux-core/drm_stub.c @@ -88,6 +88,29 @@ again: return new_id; } +int drm_setmaster_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + if (file_priv->minor->master && file_priv->minor->master != file_priv->master) + return -EINVAL; + + if (!file_priv->master) + return -EINVAL; + + if (!file_priv->minor->master && file_priv->minor->master != file_priv->master) + file_priv->minor->master = file_priv->master; + return 0; +} + +int drm_dropmaster_ioctl(struct drm_device *dev, void *data, + struct drm_file *file_priv) +{ + if (!file_priv->master) + return -EINVAL; + file_priv->minor->master = NULL; + return 0; +} + struct drm_master *drm_get_master(struct drm_minor *minor) { struct drm_master *master; |