drm: Add _DRM_DRIVER map flag.

This flag indicates that the driver is responsible for the map.
main
Robert Noland 2007-12-01 02:40:13 -05:00
parent 83e62be6f4
commit d6295cc9ff
4 changed files with 11 additions and 7 deletions

View File

@ -484,10 +484,10 @@ static int drm_lastclose(drm_device_t *dev)
}
TAILQ_FOREACH_SAFE(map, &dev->maplist, link, mapsave) {
drm_rmmap(dev, map);
if (!(map->flags & _DRM_DRIVER))
drm_rmmap(dev, map);
}
drm_dma_takedown(dev);
if ( dev->lock.hw_lock ) {
dev->lock.hw_lock = NULL; /* SHM removed */

View File

@ -246,8 +246,10 @@ int drm_lastclose(struct drm_device * dev)
}
list_for_each_entry_safe(r_list, list_t, &dev->maplist, head) {
drm_rmmap_locked(dev, r_list->map);
r_list = NULL;
if (!(r_list->map->flags & _DRM_DRIVER)) {
drm_rmmap_locked(dev, r_list->map);
r_list = NULL;
}
}
if (drm_core_check_feature(dev, DRIVER_DMA_QUEUE) && dev->queuelist) {

View File

@ -249,7 +249,8 @@ enum drm_map_flags {
_DRM_KERNEL = 0x08, /**< kernel requires access */
_DRM_WRITE_COMBINING = 0x10, /**< use write-combining if available */
_DRM_CONTAINS_LOCK = 0x20, /**< SHM page that contains lock */
_DRM_REMOVABLE = 0x40 /**< Removable mapping */
_DRM_REMOVABLE = 0x40, /**< Removable mapping */
_DRM_DRIVER = 0x80 /**< Managed by driver */
};
struct drm_ctx_priv_map {

View File

@ -1320,14 +1320,15 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags)
base = drm_get_resource_start(dev, mmio_bar);
size = drm_get_resource_len(dev, mmio_bar);
ret = drm_addmap(dev, base, size, _DRM_REGISTERS, _DRM_KERNEL,
&dev_priv->mmio_map);
ret = drm_addmap(dev, base, size, _DRM_REGISTERS,
_DRM_KERNEL | _DRM_DRIVER, &dev_priv->mmio_map);
#ifdef __linux__
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,25)
intel_init_chipset_flush_compat(dev);
#endif
#endif
return ret;
}