diff options
Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
| -rw-r--r-- | drivers/gpu/drm/drm_ioctl.c | 23 |
1 files changed, 16 insertions, 7 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c index 0ad2c47f808f..fed22c2b98b6 100644 --- a/drivers/gpu/drm/drm_ioctl.c +++ b/drivers/gpu/drm/drm_ioctl.c @@ -229,6 +229,22 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_ struct drm_crtc *crtc; req->value = 0; + + /* Only some caps make sense with UMS/render-only drivers. */ + switch (req->capability) { + case DRM_CAP_TIMESTAMP_MONOTONIC: + req->value = drm_timestamp_monotonic; + return 0; + 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; + return 0; + } + + /* Other caps only work with KMS drivers */ + if (!drm_core_check_feature(dev, DRIVER_MODESET)) + return -ENOTSUPP; + switch (req->capability) { case DRM_CAP_DUMB_BUFFER: if (dev->driver->dumb_create) @@ -243,13 +259,6 @@ static int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_ 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; - case DRM_CAP_TIMESTAMP_MONOTONIC: - req->value = drm_timestamp_monotonic; - break; case DRM_CAP_ASYNC_PAGE_FLIP: req->value = dev->mode_config.async_page_flip; break; |