renegade-project/linux-next
2
0
Fork 0
mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-21 11:44:01 +08:00
Code

drm/nvc0/fifo: kick channels off during suspend

Browse Source 
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2011-04-12 18:51:39 +10:00
parent fe799114e2
commit 7a5c23de36
1 changed files with 16 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

16
drivers/gpu/drm/nouveau/nvc0_fifo.c
View File

@ -240,6 +240,22 @@ nvc0_fifo_load_context(struct nouveau_channel *chan)
int
nvc0_fifo_unload_context(struct drm_device *dev)
{
struct drm_nouveau_private *dev_priv = dev->dev_private;
int i;
for (i = 0; i < 128; i++) {
if (!(nv_rd32(dev, 0x003004 + (i * 4)) & 1))
continue;
nv_mask(dev, 0x003004 + (i * 4), 0x00000001, 0x00000000);
nv_wr32(dev, 0x002634, i);
if (!nv_wait(dev, 0x002634, 0xffffffff, i)) {
NV_INFO(dev, "PFIFO: kick ch %d failed: 0x%08x\n",
i, nv_rd32(dev, 0x002634));
return -EBUSY;
}
}
return 0;
}