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drm/nouveau: fix non-vram notifier blocks 

Due to a thinko, these were previously forced to VRAM even if we allocated
them in GART.

This commit fixes that bug, but keeps the previous behaviour of using VRAM
by default until it's been tested properly across more chipsets.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
This commit is contained in:
Ben Skeggs 2010-01-27 14:29:05 +10:00
parent 162265367a
commit f927b8907c
2 changed files with 11 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -56,7 +56,7 @@ int nouveau_vram_pushbuf;
module_param_named(vram_pushbuf, nouveau_vram_pushbuf, int, 0400);
MODULE_PARM_DESC(vram_notify, "Force DMA notifiers to be in VRAM");
int nouveau_vram_notify;
int nouveau_vram_notify = 1;
module_param_named(vram_notify, nouveau_vram_notify, int, 0400);
MODULE_PARM_DESC(duallink, "Allow dual-link TMDS (>=GeForce 8)");

13
drivers/gpu/drm/nouveau/nouveau_notifier.c
View File

@ -34,15 +34,20 @@ nouveau_notifier_init_channel(struct nouveau_channel *chan)
{
struct drm_device *dev = chan->dev;
struct nouveau_bo *ntfy = NULL;
uint32_t flags;
int ret;
ret = nouveau_gem_new(dev, NULL, PAGE_SIZE, 0, nouveau_vram_notify ?
TTM_PL_FLAG_VRAM : TTM_PL_FLAG_TT,
if (nouveau_vram_notify)
flags = TTM_PL_FLAG_VRAM;
else
flags = TTM_PL_FLAG_TT;
ret = nouveau_gem_new(dev, NULL, PAGE_SIZE, 0, flags,
0, 0x0000, false, true, &ntfy);
if (ret)
return ret;
ret = nouveau_bo_pin(ntfy, TTM_PL_FLAG_VRAM);
ret = nouveau_bo_pin(ntfy, flags);
if (ret)
goto out_err;
@ -128,6 +133,8 @@ nouveau_notifier_alloc(struct nouveau_channel *chan, uint32_t handle,
target = NV_DMA_TARGET_PCI;
} else {
target = NV_DMA_TARGET_AGP;
if (dev_priv->card_type >= NV_50)
offset += dev_priv->vm_gart_base;
}
} else {
NV_ERROR(dev, "Bad DMA target, mem_type %d!\n",