diff options
| author | Dave Airlie | 2012-04-02 14:11:50 +0100 |
|---|---|---|
| committer | Dave Airlie | 2012-05-18 11:12:16 +0100 |
| commit | 4271a4090068f9dec3784205391c59540130b132 (patch) | |
| tree | 39cf41a082b95eb33a0d352120fec4a49fcc8bbd | |
| parent | cfcbd6d3de7f75f7c5a07d3fac8e1949bbbc79e0 (diff) | |
drm/prime: expose capability flags for userspace.
This lets the kernel tell userspace if the device supports prime
import/export.
This is useful for -modesetting at least, but would be nice for other
drivers.
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 4 | ||||
| -rw-r--r-- | include/drm/drm.h | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index cf85155da2a0..64a62c697313 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -283,6 +283,10 @@ int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_priv) case DRM_CAP_DUMB_PREFER_SHADOW: req->value = dev->mode_config.prefer_shadow; break; + case DRM_CAP_PRIME: + req->value |= dev->driver->prime_fd_to_handle ? DRM_PRIME_CAP_IMPORT : 0; + req->value |= dev->driver->prime_handle_to_fd ? DRM_PRIME_CAP_EXPORT : 0; + break; default: return -EINVAL; } diff --git a/include/drm/drm.h b/include/drm/drm.h index 5b831df15bf1..e51035a3757f 100644 --- a/include/drm/drm.h +++ b/include/drm/drm.h @@ -777,6 +777,10 @@ struct drm_event_vblank { #define DRM_CAP_VBLANK_HIGH_CRTC 0x2 #define DRM_CAP_DUMB_PREFERRED_DEPTH 0x3 #define DRM_CAP_DUMB_PREFER_SHADOW 0x4 +#define DRM_CAP_PRIME 0x5 + +#define DRM_PRIME_CAP_IMPORT 0x1 +#define DRM_PRIME_CAP_EXPORT 0x2 /* typedef area */ #ifndef __KERNEL__ |