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authorJosé Roberto de Souza <jose.souza@intel.com>2018-09-18 10:48:09 -0700
committerDaniel Vetter <daniel.vetter@ffwll.ch>2018-09-21 11:19:40 +0200
commitadbc8208e6620ddfa10fd863cb0a4ec0c54d8625 (patch)
tree489c50ed390f4f517d3c891a972c4bd7c0f5e139 /drivers/gpu/drm/drm_ioctl.c
parent14e86c01413ed4cb69525e5eb60731d03ea7630c (diff)
drm: Return -EOPNOTSUPP in drm_setclientcap() when driver do not support KMS
All DRM_CLIENT capabilities are tied to KMS support, so returning -EOPNOTSUPP when KMS is not supported. v2: returning -EOPNOTSUPP(same value as posix ENOTSUP and available in uapi) instead of -ENOTSUPP v3: adding comments about the feature requirement about capabilities Cc: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: José Roberto de Souza <jose.souza@intel.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20180918174809.17123-1-jose.souza@intel.com
Diffstat (limited to 'drivers/gpu/drm/drm_ioctl.c')
-rw-r--r--drivers/gpu/drm/drm_ioctl.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/gpu/drm/drm_ioctl.c b/drivers/gpu/drm/drm_ioctl.c
index 60dfbfae6a02..94bd872d56c4 100644
--- a/drivers/gpu/drm/drm_ioctl.c
+++ b/drivers/gpu/drm/drm_ioctl.c
@@ -306,6 +306,12 @@ drm_setclientcap(struct drm_device *dev, void *data, struct drm_file *file_priv)
{
struct drm_set_client_cap *req = data;
+ /* No render-only settable capabilities for now */
+
+ /* Below caps that only works with KMS drivers */
+ if (!drm_core_check_feature(dev, DRIVER_MODESET))
+ return -EOPNOTSUPP;
+
switch (req->capability) {
case DRM_CLIENT_CAP_STEREO_3D:
if (req->value > 1)