renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-23 20:53:53 +08:00
Code

drm/nouveau: use dma.max rather than pushbuf size for checking GET validity

Browse Source 
Some upcoming G80 DMA changes will depend on this, but it's split out for
bisectibility just in case it causes some unexpected issues.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-01-08 10:53:40 +10:00 committed by Dave Airlie
parent cc6e496587
commit 400f14ac4e
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/gpu/drm/nouveau/nouveau_dma.c
View File

@ -130,7 +130,7 @@ READ_GET(struct nouveau_channel *chan, uint32_t *get)
val = nvchan_rd32(chan, chan->user_get);
if (val < chan->pushbuf_base ||
val >= chan->pushbuf_base + chan->pushbuf_bo->bo.mem.size) {
val > chan->pushbuf_base + (chan->dma.max << 2)) {
/* meaningless to dma_wait() except to know whether the
* GPU has stalled or not
*/