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authorBen Skeggs <bskeggs@redhat.com>2011-06-07 11:12:39 +1000
committerBen Skeggs <bskeggs@redhat.com>2011-06-23 15:59:49 +1000
commita3fcd0a975c4ae272c3e5db0632479633cef19ef (patch)
tree44b76992b46e9aef573f1bd150fd1747d2774716 /drivers/gpu/drm/nouveau/nouveau_gem.c
parent180cc30637b47dafa26e3202a41964b5ebdab365 (diff)
drm/nv50-nvc0: completely disable relocs
GPU virtual addresses are constant now so this should never be getting hit anyway and userspace shouldn't break from them being ignored. This is being done in preference to teaching the code how to deal with BOs that exist at different virtual addresses within separate VMs. Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/nouveau/nouveau_gem.c')
-rw-r--r--drivers/gpu/drm/nouveau/nouveau_gem.c37
1 files changed, 20 insertions, 17 deletions
diff --git a/drivers/gpu/drm/nouveau/nouveau_gem.c b/drivers/gpu/drm/nouveau/nouveau_gem.c
index d314f34f39d..2d1de2427bc 100644
--- a/drivers/gpu/drm/nouveau/nouveau_gem.c
+++ b/drivers/gpu/drm/nouveau/nouveau_gem.c
@@ -333,6 +333,7 @@ static int
validate_list(struct nouveau_channel *chan, struct list_head *list,
struct drm_nouveau_gem_pushbuf_bo *pbbo, uint64_t user_pbbo_ptr)
{
+ struct drm_nouveau_private *dev_priv = chan->dev->dev_private;
struct drm_nouveau_gem_pushbuf_bo __user *upbbo =
(void __force __user *)(uintptr_t)user_pbbo_ptr;
struct drm_device *dev = chan->dev;
@@ -371,24 +372,26 @@ validate_list(struct nouveau_channel *chan, struct list_head *list,
return ret;
}
- if (nvbo->bo.offset == b->presumed.offset &&
- ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
- b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
- (nvbo->bo.mem.mem_type == TTM_PL_TT &&
- b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
- continue;
+ if (dev_priv->card_type < NV_50) {
+ if (nvbo->bo.offset == b->presumed.offset &&
+ ((nvbo->bo.mem.mem_type == TTM_PL_VRAM &&
+ b->presumed.domain & NOUVEAU_GEM_DOMAIN_VRAM) ||
+ (nvbo->bo.mem.mem_type == TTM_PL_TT &&
+ b->presumed.domain & NOUVEAU_GEM_DOMAIN_GART)))
+ continue;
- if (nvbo->bo.mem.mem_type == TTM_PL_TT)
- b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
- else
- b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
- b->presumed.offset = nvbo->bo.offset;
- b->presumed.valid = 0;
- relocs++;
-
- if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
- &b->presumed, sizeof(b->presumed)))
- return -EFAULT;
+ if (nvbo->bo.mem.mem_type == TTM_PL_TT)
+ b->presumed.domain = NOUVEAU_GEM_DOMAIN_GART;
+ else
+ b->presumed.domain = NOUVEAU_GEM_DOMAIN_VRAM;
+ b->presumed.offset = nvbo->bo.offset;
+ b->presumed.valid = 0;
+ relocs++;
+
+ if (DRM_COPY_TO_USER(&upbbo[nvbo->pbbo_index].presumed,
+ &b->presumed, sizeof(b->presumed)))
+ return -EFAULT;
+ }
}
return relocs;