drmIoctl returns -1 on error with errno set to the error value. Other
users of it in this file just check for != 0, and only use errno when
they need to send an error value on to the caller of the API.
gp.param = I915_PARAM_HAS_LLC;
ret = drmIoctl(bufmgr_gem->fd, DRM_IOCTL_I915_GETPARAM, &gp);
- if (ret == -EINVAL) {
+ if (ret != 0) {
/* Kernel does not supports HAS_LLC query, fallback to GPU
* generation detection and assume that we have LLC on GEN6/7
*/