Lines Matching +full:render +full:- +full:max
58 * - GET_UNIQUE ioctl, implemented by drm_getunique is wrapped up in libdrm
60 * - The libdrm drmSetBusid function is backed by the SET_UNIQUE ioctl. All
62 * - The internal set_busid kernel functions and driver callbacks are
65 * - Other ioctls and functions involved are named consistently.
78 * side-effect this fills out the unique name in the master structure.
123 mutex_lock(&dev->master_mutex); in drm_getunique()
124 master = file_priv->master; in drm_getunique()
125 if (u->unique_len >= master->unique_len) { in drm_getunique()
126 if (copy_to_user(u->unique, master->unique, master->unique_len)) { in drm_getunique()
127 mutex_unlock(&dev->master_mutex); in drm_getunique()
128 return -EFAULT; in drm_getunique()
131 u->unique_len = master->unique_len; in drm_getunique()
132 mutex_unlock(&dev->master_mutex); in drm_getunique()
141 kfree(master->unique); in drm_unset_busid()
142 master->unique = NULL; in drm_unset_busid()
143 master->unique_len = 0; in drm_unset_busid()
148 struct drm_master *master = file_priv->master; in drm_set_busid()
151 if (master->unique != NULL) in drm_set_busid()
154 if (dev->dev && dev_is_pci(dev->dev)) { in drm_set_busid()
161 WARN_ON(!dev->unique); in drm_set_busid()
162 master->unique = kstrdup(dev->unique, GFP_KERNEL); in drm_set_busid()
163 if (master->unique) in drm_set_busid()
164 master->unique_len = strlen(dev->unique); in drm_set_busid()
189 * Hollowed-out getclient ioctl to keep some dead old drm tests/tools in drm_getclient()
191 * get -EINVAL, hence this is the return value we need to hand back for in drm_getclient()
199 if (client->idx == 0) { in drm_getclient()
200 client->auth = file_priv->authenticated; in drm_getclient()
201 client->pid = task_pid_vnr(current); in drm_getclient()
202 client->uid = overflowuid; in drm_getclient()
203 client->magic = 0; in drm_getclient()
204 client->iocs = 0; in drm_getclient()
208 return -EINVAL; in drm_getclient()
241 req->value = 0; in drm_getcap()
243 /* Only some caps make sense with UMS/render-only drivers. */ in drm_getcap()
244 switch (req->capability) { in drm_getcap()
246 req->value = 1; in drm_getcap()
249 req->value |= dev->driver->prime_fd_to_handle ? DRM_PRIME_CAP_IMPORT : 0; in drm_getcap()
250 req->value |= dev->driver->prime_handle_to_fd ? DRM_PRIME_CAP_EXPORT : 0; in drm_getcap()
253 req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ); in drm_getcap()
256 req->value = drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE); in drm_getcap()
262 return -EOPNOTSUPP; in drm_getcap()
264 switch (req->capability) { in drm_getcap()
266 if (dev->driver->dumb_create) in drm_getcap()
267 req->value = 1; in drm_getcap()
270 req->value = 1; in drm_getcap()
273 req->value = dev->mode_config.preferred_depth; in drm_getcap()
276 req->value = dev->mode_config.prefer_shadow; in drm_getcap()
279 req->value = dev->mode_config.async_page_flip; in drm_getcap()
282 req->value = 1; in drm_getcap()
284 if (!crtc->funcs->page_flip_target) in drm_getcap()
285 req->value = 0; in drm_getcap()
289 if (dev->mode_config.cursor_width) in drm_getcap()
290 req->value = dev->mode_config.cursor_width; in drm_getcap()
292 req->value = 64; in drm_getcap()
295 if (dev->mode_config.cursor_height) in drm_getcap()
296 req->value = dev->mode_config.cursor_height; in drm_getcap()
298 req->value = 64; in drm_getcap()
301 req->value = dev->mode_config.allow_fb_modifiers; in drm_getcap()
304 req->value = 1; in drm_getcap()
307 return -EINVAL; in drm_getcap()
320 /* No render-only settable capabilities for now */ in drm_setclientcap()
324 return -EOPNOTSUPP; in drm_setclientcap()
326 switch (req->capability) { in drm_setclientcap()
328 if (req->value > 1) in drm_setclientcap()
329 return -EINVAL; in drm_setclientcap()
330 file_priv->stereo_allowed = req->value; in drm_setclientcap()
333 if (req->value > 1) in drm_setclientcap()
334 return -EINVAL; in drm_setclientcap()
335 file_priv->universal_planes = req->value; in drm_setclientcap()
339 return -EOPNOTSUPP; in drm_setclientcap()
341 if (current->comm[0] == 'X' && req->value == 1) { in drm_setclientcap()
343 return -EOPNOTSUPP; in drm_setclientcap()
345 if (req->value > 2) in drm_setclientcap()
346 return -EINVAL; in drm_setclientcap()
347 file_priv->atomic = req->value; in drm_setclientcap()
348 file_priv->universal_planes = req->value; in drm_setclientcap()
350 * No atomic user-space blows up on aspect ratio mode bits. in drm_setclientcap()
352 file_priv->aspect_ratio_allowed = req->value; in drm_setclientcap()
355 if (req->value > 1) in drm_setclientcap()
356 return -EINVAL; in drm_setclientcap()
357 file_priv->aspect_ratio_allowed = req->value; in drm_setclientcap()
360 if (!file_priv->atomic) in drm_setclientcap()
361 return -EINVAL; in drm_setclientcap()
362 if (req->value > 1) in drm_setclientcap()
363 return -EINVAL; in drm_setclientcap()
364 file_priv->writeback_connectors = req->value; in drm_setclientcap()
367 return -EINVAL; in drm_setclientcap()
389 mutex_lock(&dev->master_mutex); in drm_setversion()
390 if (sv->drm_di_major != -1) { in drm_setversion()
391 if (sv->drm_di_major != DRM_IF_MAJOR || in drm_setversion()
392 sv->drm_di_minor < 0 || sv->drm_di_minor > DRM_IF_MINOR) { in drm_setversion()
393 retcode = -EINVAL; in drm_setversion()
396 if_version = DRM_IF_VERSION(sv->drm_di_major, in drm_setversion()
397 sv->drm_di_minor); in drm_setversion()
398 dev->if_version = max(if_version, dev->if_version); in drm_setversion()
399 if (sv->drm_di_minor >= 1) { in drm_setversion()
410 if (sv->drm_dd_major != -1) { in drm_setversion()
411 if (sv->drm_dd_major != dev->driver->major || in drm_setversion()
412 sv->drm_dd_minor < 0 || sv->drm_dd_minor > in drm_setversion()
413 dev->driver->minor) { in drm_setversion()
414 retcode = -EINVAL; in drm_setversion()
420 sv->drm_di_major = DRM_IF_MAJOR; in drm_setversion()
421 sv->drm_di_minor = DRM_IF_MINOR; in drm_setversion()
422 sv->drm_dd_major = dev->driver->major; in drm_setversion()
423 sv->drm_dd_minor = dev->driver->minor; in drm_setversion()
424 mutex_unlock(&dev->master_mutex); in drm_setversion()
430 * drm_noop - DRM no-op ioctl implemntation
435 * This no-op implementation for drm ioctls is useful for deprecated
450 * drm_invalid_op - DRM invalid ioctl implemntation
455 * This no-op implementation for drm ioctls is useful for deprecated
462 * Always fails with a return value of -EINVAL.
467 return -EINVAL; in drm_invalid_op()
490 * larger than the userspace-supplied buffer) */ in drm_copy_field()
496 return -EFAULT; in drm_copy_field()
517 version->version_major = dev->driver->major; in drm_version()
518 version->version_minor = dev->driver->minor; in drm_version()
519 version->version_patchlevel = dev->driver->patchlevel; in drm_version()
520 err = drm_copy_field(version->name, &version->name_len, in drm_version()
521 dev->driver->name); in drm_version()
523 err = drm_copy_field(version->date, &version->date_len, in drm_version()
524 dev->driver->date); in drm_version()
526 err = drm_copy_field(version->desc, &version->desc_len, in drm_version()
527 dev->driver->desc); in drm_version()
533 * drm_ioctl_permit - Check ioctl permissions against caller
542 * Zero if allowed, -EACCES otherwise.
548 return -EACCES; in drm_ioctl_permit()
550 /* AUTH is only for authenticated or render client */ in drm_ioctl_permit()
552 !file_priv->authenticated)) in drm_ioctl_permit()
553 return -EACCES; in drm_ioctl_permit()
558 return -EACCES; in drm_ioctl_permit()
560 /* Render clients must be explicitly allowed */ in drm_ioctl_permit()
563 return -EACCES; in drm_ioctl_permit()
738 * Now if you do have a render driver you always have to support it through
751 * ``Documentation/process/botching-up-ioctls.rst``. Note that drm_ioctl()
752 * automatically zero-extends structures, hence make sure you can add more stuff
774 * the driver-specific IOCTLs are wired up.
780 struct drm_file *file_priv = file->private_data; in drm_ioctl_kernel()
781 struct drm_device *dev = file_priv->minor->dev; in drm_ioctl_kernel()
785 return -ENODEV; in drm_ioctl_kernel()
805 * drm_ioctl - ioctl callback implementation for DRM drivers
820 struct drm_file *file_priv = filp->private_data; in drm_ioctl()
825 int retcode = -EINVAL; in drm_ioctl()
831 dev = file_priv->minor->dev; in drm_ioctl()
834 return -ENODEV; in drm_ioctl()
837 return -ENOTTY; in drm_ioctl()
843 unsigned int index = nr - DRM_COMMAND_BASE; in drm_ioctl()
845 if (index >= dev->driver->num_ioctls) in drm_ioctl()
847 index = array_index_nospec(index, dev->driver->num_ioctls); in drm_ioctl()
848 ioctl = &dev->driver->ioctls[index]; in drm_ioctl()
857 drv_size = _IOC_SIZE(ioctl->cmd); in drm_ioctl()
859 if ((cmd & ioctl->cmd & IOC_IN) == 0) in drm_ioctl()
861 if ((cmd & ioctl->cmd & IOC_OUT) == 0) in drm_ioctl()
863 ksize = max(max(in_size, out_size), drv_size); in drm_ioctl()
866 current->comm, task_pid_nr(current), in drm_ioctl()
867 (long)old_encode_dev(file_priv->minor->kdev->devt), in drm_ioctl()
868 file_priv->authenticated, ioctl->name); in drm_ioctl()
871 func = ioctl->func; in drm_ioctl()
875 retcode = -EINVAL; in drm_ioctl()
884 retcode = -ENOMEM; in drm_ioctl()
890 retcode = -EFAULT; in drm_ioctl()
895 memset(kdata + in_size, 0, ksize - in_size); in drm_ioctl()
897 retcode = drm_ioctl_kernel(filp, func, kdata, ioctl->flags); in drm_ioctl()
899 retcode = -EFAULT; in drm_ioctl()
904 current->comm, task_pid_nr(current), in drm_ioctl()
905 (long)old_encode_dev(file_priv->minor->kdev->devt), in drm_ioctl()
906 file_priv->authenticated, cmd, nr); in drm_ioctl()
911 DRM_DEBUG("comm=\"%s\", pid=%d, ret=%d\n", current->comm, in drm_ioctl()
918 * drm_ioctl_flags - Check for core ioctl and return ioctl permission flags