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authorDave Airlie <airlied@redhat.com>2012-04-02 14:11:50 +0100
committerDave Airlie <airlied@redhat.com>2012-05-18 11:12:16 +0100
commit4271a4090068f9dec3784205391c59540130b132 (patch)
tree39cf41a082b95eb33a0d352120fec4a49fcc8bbd /drivers/gpu/drm
parentcfcbd6d3de7f75f7c5a07d3fac8e1949bbbc79e0 (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>
Diffstat (limited to 'drivers/gpu/drm')
-rw-r--r--drivers/gpu/drm/drm_ioctl.c4
1 files changed, 4 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;
}