On Tue, Sep 18, 2018 at 10:48:09AM -0700, José Roberto de Souza wrote:
> 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@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: José Roberto de Souza <jose.souza@xxxxxxxxx>
> ---
> drivers/gpu/drm/drm_ioctl.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> 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 */
That doesn't seem quite English.
> + if (!drm_core_check_feature(dev, DRIVER_MODESET))
> + return -EOPNOTSUPP;
> +
> switch (req->capability) {
> case DRM_CLIENT_CAP_STEREO_3D:
> if (req->value > 1)
> --
> 2.19.0
>
> _______________________________________________
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> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
> https://lists.freedesktop.org/mailman/listinfo/intel-gfx
--
Ville Syrjälä
Intel
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