Lines Matching +full:render +full:- +full:max
57 * - GET_UNIQUE ioctl, implemented by drm_getunique is wrapped up in libdrm
59 * - The libdrm drmSetBusid function is backed by the SET_UNIQUE ioctl. All
61 * - The internal set_busid kernel functions and driver callbacks are
64 * - Other ioctls and functions involved are named consistently.
77 * side-effect this fills out the unique name in the master structure.
122 mutex_lock(&dev->master_mutex); in drm_getunique()
123 master = file_priv->master; in drm_getunique()
124 if (u->unique_len >= master->unique_len) { in drm_getunique()
125 if (copy_to_user(u->unique, master->unique, master->unique_len)) { in drm_getunique()
126 mutex_unlock(&dev->master_mutex); in drm_getunique()
127 return -EFAULT; in drm_getunique()
130 u->unique_len = master->unique_len; in drm_getunique()
131 mutex_unlock(&dev->master_mutex); in drm_getunique()
140 kfree(master->unique); in drm_unset_busid()
141 master->unique = NULL; in drm_unset_busid()
142 master->unique_len = 0; in drm_unset_busid()
147 struct drm_master *master = file_priv->master; in drm_set_busid()
150 if (master->unique != NULL) in drm_set_busid()
153 if (dev->dev && dev_is_pci(dev->dev)) { in drm_set_busid()
160 WARN_ON(!dev->unique); in drm_set_busid()
161 master->unique = kstrdup(dev->unique, GFP_KERNEL); in drm_set_busid()
162 if (master->unique) in drm_set_busid()
163 master->unique_len = strlen(dev->unique); in drm_set_busid()
188 * Hollowed-out getclient ioctl to keep some dead old drm tests/tools in drm_getclient()
190 * get -EINVAL, hence this is the return value we need to hand back for in drm_getclient()
198 if (client->idx == 0) { in drm_getclient()
199 client->auth = file_priv->authenticated; in drm_getclient()
200 client->pid = task_pid_vnr(current); in drm_getclient()
201 client->uid = overflowuid; in drm_getclient()
202 client->magic = 0; in drm_getclient()
203 client->iocs = 0; in drm_getclient()
207 return -EINVAL; in drm_getclient()
240 req->value = 0; in drm_getcap()
242 /* Only some caps make sense with UMS/render-only drivers. */ in drm_getcap()
243 switch (req->capability) { in drm_getcap()
245 req->value = 1; in drm_getcap()
248 req->value = DRM_PRIME_CAP_IMPORT | DRM_PRIME_CAP_EXPORT; in drm_getcap()
251 req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ); in drm_getcap()
254 req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE); in drm_getcap()
260 return -EOPNOTSUPP; in drm_getcap()
262 switch (req->capability) { in drm_getcap()
264 if (dev->driver->dumb_create) in drm_getcap()
265 req->value = 1; in drm_getcap()
268 req->value = 1; in drm_getcap()
271 req->value = dev->mode_config.preferred_depth; in drm_getcap()
274 req->value = dev->mode_config.prefer_shadow; in drm_getcap()
277 req->value = dev->mode_config.async_page_flip; in drm_getcap()
280 req->value = 1; in drm_getcap()
282 if (!crtc->funcs->page_flip_target) in drm_getcap()
283 req->value = 0; in drm_getcap()
287 if (dev->mode_config.cursor_width) in drm_getcap()
288 req->value = dev->mode_config.cursor_width; in drm_getcap()
290 req->value = 64; in drm_getcap()
293 if (dev->mode_config.cursor_height) in drm_getcap()
294 req->value = dev->mode_config.cursor_height; in drm_getcap()
296 req->value = 64; in drm_getcap()
299 req->value = !dev->mode_config.fb_modifiers_not_supported; in drm_getcap()
302 req->value = 1; in drm_getcap()
305 return -EINVAL; in drm_getcap()
318 /* No render-only settable capabilities for now */ in drm_setclientcap()
322 return -EOPNOTSUPP; in drm_setclientcap()
324 switch (req->capability) { in drm_setclientcap()
326 if (req->value > 1) in drm_setclientcap()
327 return -EINVAL; in drm_setclientcap()
328 file_priv->stereo_allowed = req->value; in drm_setclientcap()
331 if (req->value > 1) in drm_setclientcap()
332 return -EINVAL; in drm_setclientcap()
333 file_priv->universal_planes = req->value; in drm_setclientcap()
337 return -EOPNOTSUPP; in drm_setclientcap()
339 if (current->comm[0] == 'X' && req->value == 1) { in drm_setclientcap()
341 return -EOPNOTSUPP; in drm_setclientcap()
343 if (req->value > 2) in drm_setclientcap()
344 return -EINVAL; in drm_setclientcap()
345 file_priv->atomic = req->value; in drm_setclientcap()
346 file_priv->universal_planes = req->value; in drm_setclientcap()
348 * No atomic user-space blows up on aspect ratio mode bits. in drm_setclientcap()
350 file_priv->aspect_ratio_allowed = req->value; in drm_setclientcap()
353 if (req->value > 1) in drm_setclientcap()
354 return -EINVAL; in drm_setclientcap()
355 file_priv->aspect_ratio_allowed = req->value; in drm_setclientcap()
358 if (!file_priv->atomic) in drm_setclientcap()
359 return -EINVAL; in drm_setclientcap()
360 if (req->value > 1) in drm_setclientcap()
361 return -EINVAL; in drm_setclientcap()
362 file_priv->writeback_connectors = req->value; in drm_setclientcap()
365 return -EINVAL; in drm_setclientcap()
387 mutex_lock(&dev->master_mutex); in drm_setversion()
388 if (sv->drm_di_major != -1) { in drm_setversion()
389 if (sv->drm_di_major != DRM_IF_MAJOR || in drm_setversion()
390 sv->drm_di_minor < 0 || sv->drm_di_minor > DRM_IF_MINOR) { in drm_setversion()
391 retcode = -EINVAL; in drm_setversion()
394 if_version = DRM_IF_VERSION(sv->drm_di_major, in drm_setversion()
395 sv->drm_di_minor); in drm_setversion()
396 dev->if_version = max(if_version, dev->if_version); in drm_setversion()
397 if (sv->drm_di_minor >= 1) { in drm_setversion()
408 if (sv->drm_dd_major != -1) { in drm_setversion()
409 if (sv->drm_dd_major != dev->driver->major || in drm_setversion()
410 sv->drm_dd_minor < 0 || sv->drm_dd_minor > in drm_setversion()
411 dev->driver->minor) { in drm_setversion()
412 retcode = -EINVAL; in drm_setversion()
418 sv->drm_di_major = DRM_IF_MAJOR; in drm_setversion()
419 sv->drm_di_minor = DRM_IF_MINOR; in drm_setversion()
420 sv->drm_dd_major = dev->driver->major; in drm_setversion()
421 sv->drm_dd_minor = dev->driver->minor; in drm_setversion()
422 mutex_unlock(&dev->master_mutex); in drm_setversion()
428 * drm_noop - DRM no-op ioctl implementation
433 * This no-op implementation for drm ioctls is useful for deprecated
448 * drm_invalid_op - DRM invalid ioctl implementation
453 * This no-op implementation for drm ioctls is useful for deprecated
460 * Always fails with a return value of -EINVAL.
465 return -EINVAL; in drm_invalid_op()
488 * larger than the userspace-supplied buffer) */ in drm_copy_field()
494 return -EFAULT; in drm_copy_field()
515 version->version_major = dev->driver->major; in drm_version()
516 version->version_minor = dev->driver->minor; in drm_version()
517 version->version_patchlevel = dev->driver->patchlevel; in drm_version()
518 err = drm_copy_field(version->name, &version->name_len, in drm_version()
519 dev->driver->name); in drm_version()
521 err = drm_copy_field(version->date, &version->date_len, in drm_version()
522 dev->driver->date); in drm_version()
524 err = drm_copy_field(version->desc, &version->desc_len, in drm_version()
525 dev->driver->desc); in drm_version()
534 return -EACCES; in drm_ioctl_permit()
536 /* AUTH is only for authenticated or render client */ in drm_ioctl_permit()
538 !file_priv->authenticated)) in drm_ioctl_permit()
539 return -EACCES; in drm_ioctl_permit()
544 return -EACCES; in drm_ioctl_permit()
546 /* Render clients must be explicitly allowed */ in drm_ioctl_permit()
549 return -EACCES; in drm_ioctl_permit()
733 * Now if you do have a render driver you always have to support it through
746 * ``Documentation/process/botching-up-ioctls.rst``. Note that drm_ioctl()
747 * automatically zero-extends structures, hence make sure you can add more stuff
769 * the driver-specific IOCTLs are wired up.
775 struct drm_file *file_priv = file->private_data; in drm_ioctl_kernel()
776 struct drm_device *dev = file_priv->minor->dev; in drm_ioctl_kernel()
780 return -ENODEV; in drm_ioctl_kernel()
800 * drm_ioctl - ioctl callback implementation for DRM drivers
815 struct drm_file *file_priv = filp->private_data; in drm_ioctl()
820 int retcode = -EINVAL; in drm_ioctl()
826 dev = file_priv->minor->dev; in drm_ioctl()
829 return -ENODEV; in drm_ioctl()
832 return -ENOTTY; in drm_ioctl()
838 unsigned int index = nr - DRM_COMMAND_BASE; in drm_ioctl()
840 if (index >= dev->driver->num_ioctls) in drm_ioctl()
842 index = array_index_nospec(index, dev->driver->num_ioctls); in drm_ioctl()
843 ioctl = &dev->driver->ioctls[index]; in drm_ioctl()
852 drv_size = _IOC_SIZE(ioctl->cmd); in drm_ioctl()
854 if ((cmd & ioctl->cmd & IOC_IN) == 0) in drm_ioctl()
856 if ((cmd & ioctl->cmd & IOC_OUT) == 0) in drm_ioctl()
858 ksize = max(max(in_size, out_size), drv_size); in drm_ioctl()
861 current->comm, task_pid_nr(current), in drm_ioctl()
862 (long)old_encode_dev(file_priv->minor->kdev->devt), in drm_ioctl()
863 file_priv->authenticated, ioctl->name); in drm_ioctl()
866 func = ioctl->func; in drm_ioctl()
870 retcode = -EINVAL; in drm_ioctl()
879 retcode = -ENOMEM; in drm_ioctl()
885 retcode = -EFAULT; in drm_ioctl()
890 memset(kdata + in_size, 0, ksize - in_size); in drm_ioctl()
892 retcode = drm_ioctl_kernel(filp, func, kdata, ioctl->flags); in drm_ioctl()
894 retcode = -EFAULT; in drm_ioctl()
900 current->comm, task_pid_nr(current), in drm_ioctl()
901 (long)old_encode_dev(file_priv->minor->kdev->devt), in drm_ioctl()
902 file_priv->authenticated, cmd, nr); in drm_ioctl()
908 current->comm, task_pid_nr(current), retcode); in drm_ioctl()
914 * drm_ioctl_flags - Check for core ioctl and return ioctl permission flags