summaryrefslogtreecommitdiff
path: root/drivers
diff options
context:
space:
mode:
authorBen Skeggs <bskeggs@redhat.com>2011-06-07 01:12:39 (GMT)
committerBen Skeggs <bskeggs@redhat.com>2011-06-23 05:59:49 (GMT)
commita3fcd0a975c4ae272c3e5db0632479633cef19ef (patch)
tree44b76992b46e9aef573f1bd150fd1747d2774716 /drivers
parent180cc30637b47dafa26e3202a41964b5ebdab365 (diff)
downloadlinux-fsl-qoriq-a3fcd0a975c4ae272c3e5db0632479633cef19ef.tar.xz
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')
-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 d314f34..2d1de24 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;