drm: update VIA driver to 2.7.2
Add PCI DMA blitengine to VIA DRM
Add portability code for porting VIA to FreeBSD.
Sync via_drm.h with 3d driver
From: Thomas Hellstrom <unichrome@shipmail.org>, Eric Anholt <anholt@freebsd.org>
Signed-off-by: Dave Airlie <airlied@linux.ie>
diff --git a/drivers/char/drm/via_verifier.c b/drivers/char/drm/via_verifier.c
index 4ac495f..70c897c 100644
--- a/drivers/char/drm/via_verifier.c
+++ b/drivers/char/drm/via_verifier.c
@@ -237,7 +237,7 @@
static __inline__ int
eat_words(const uint32_t ** buf, const uint32_t * buf_end, unsigned num_words)
{
- if ((*buf - buf_end) >= num_words) {
+ if ((buf_end - *buf) >= num_words) {
*buf += num_words;
return 0;
}
@@ -249,14 +249,14 @@
* Partially stolen from drm_memory.h
*/
-static __inline__ drm_map_t *via_drm_lookup_agp_map(drm_via_state_t * seq,
+static __inline__ drm_local_map_t *via_drm_lookup_agp_map(drm_via_state_t *seq,
unsigned long offset,
unsigned long size,
drm_device_t * dev)
{
struct list_head *list;
drm_map_list_t *r_list;
- drm_map_t *map = seq->map_cache;
+ drm_local_map_t *map = seq->map_cache;
if (map && map->offset <= offset
&& (offset + size) <= (map->offset + map->size)) {