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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-03-13 21:32:16 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-03-13 21:32:16 -0700 |
| commit | c60f7d5a8e7c639de5d9dfe07e1e91d302d506e4 (patch) | |
| tree | c1d12d4963768232f3489f7dc5a6626ddd3d5fde /drivers/gpu/drm/vmwgfx/vmwgfx_surface.c | |
| parent | Merge branch 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux (diff) | |
| parent | Merge tag 'ttm-fixes-3.14-2014-03-12' of git://people.freedesktop.org/~thomash/linux into drm-fixes (diff) | |
| download | linux-dev-c60f7d5a8e7c639de5d9dfe07e1e91d302d506e4.tar.xz linux-dev-c60f7d5a8e7c639de5d9dfe07e1e91d302d506e4.zip | |
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
"Pretty minor set of fixes for radeon, ttm and vmwgfx. The ttm ones
are a regression and an oops seen on server chipsets"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: Fix a surface reference corner-case in legacy emulation mode
drm/radeon/cik: properly set compute ring status on disable
drm/radeon/cik: stop the sdma engines in the enable() function
drm/radeon/cik: properly set sdma ring status on disable
drm/radeon: fix runpm disabling on non-PX harder
drm/ttm: don't oops if no invalidate_caches()
drm/ttm: Work around performance regression with VM_PFNMAP
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_surface.c')
| -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, |