korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-16 08:44:21 +08:00
Code Issues Packages Projects Releases Wiki Activity

drm/nv20: Don't use pushbuf calls on the original nv20.

Browse Source 
The "return" command is buggy on the original nv20, it jumps back to
the caller address as expected, but it doesn't clear the subroutine
active bit making the subsequent pushbuf calls fail with a "stack"
overflow.

Signed-off-by: Francisco Jerez <currojerez@riseup.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Francisco Jerez 2010-08-25 12:54:53 +02:00 committed by Ben Skeggs
parent fba6752834
commit ee508b821c
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/gpu/drm/nouveau/nouveau_gem.c
View File

@ -663,7 +663,7 @@ nouveau_gem_ioctl_pushbuf(struct drm_device *dev, void *data,
push[i].length);
}
} else
if (dev_priv->card_type >= NV_20) {
if (dev_priv->chipset >= 0x25) {
ret = RING_SPACE(chan, req->nr_push * 2);
if (ret) {
NV_ERROR(dev, "cal_space: %d\n", ret);
@ -738,7 +738,7 @@ out_next:
req->suffix0 = 0x00000000;
req->suffix1 = 0x00000000;
} else
if (dev_priv->card_type >= NV_20) {
if (dev_priv->chipset >= 0x25) {
req->suffix0 = 0x00020000;
req->suffix1 = 0x00000000;
} else {