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| author | Dave Airlie <airlied@redhat.com> | 2014-03-13 17:30:31 +1000 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2014-03-13 17:30:31 +1000 |
| commit | 7aa4a0648e9bbbd1c2fd0d66db3ba6f358709445 (patch) | |
| tree | 3007c1498b6a2cda02a58e2aded66187397dccb4 | |
| parent | fa389e220254c69ffae0d403eac4146171062d08 (diff) | |
| parent | 4b0c82529b92cda4723cf1d09e1e2ee9b9ae96f1 (diff) | |
Merge tag 'vmwgfx-fixes-3.14-2014-03-13' of git://people.freedesktop.org/~thomash/linux into drm-fixes
Pull request of 2014-03-13
one minor fix for new hw
* tag 'vmwgfx-fixes-3.14-2014-03-13' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: Fix a surface reference corner-case in legacy emulation mode
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c index 82468d902915..e7af580ab977 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_surface.c @@ -830,6 +830,24 @@ int vmw_surface_define_ioctl(struct drm_device *dev, void *data, if (unlikely(ret != 0)) goto out_unlock; + /* + * A gb-aware client referencing a shared surface will + * expect a backup buffer to be present. + */ + if (dev_priv->has_mob && req->shareable) { + uint32_t backup_handle; + + ret = vmw_user_dmabuf_alloc(dev_priv, tfile, + res->backup_size, + true, + &backup_handle, + &res->backup); + if (unlikely(ret != 0)) { + vmw_resource_unreference(&res); + goto out_unlock; + } + } + tmp = vmw_resource_reference(&srf->res); ret = ttm_prime_object_init(tfile, res->backup_size, &user_srf->prime, req->shareable, VMW_RES_SURFACE, |