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| author | Thomas Hellstrom <thellstrom@vmware.com> | 2010-05-28 11:21:57 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-06-01 09:37:15 +1000 |
| commit | 1925d4565888eb313cc923372da6a08bbfb3a859 (patch) | |
| tree | ef8dbcc9ba34a0b1075433147808cc56067d17c5 /drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | |
| parent | 04e9e94dba3e564ce810cedab88e957dfd681b4a (diff) | |
| download | kernel_samsung_smdk4412-1925d4565888eb313cc923372da6a08bbfb3a859.zip kernel_samsung_smdk4412-1925d4565888eb313cc923372da6a08bbfb3a859.tar.gz kernel_samsung_smdk4412-1925d4565888eb313cc923372da6a08bbfb3a859.tar.bz2 | |
drm/vmwgfx: Add kernel throttling support. Bump minor.
The throttle_us member in the execbuf argument is now honored.
If the member is 0, no waiting for lag will occur, which
guarantees backwards compatibility with well-behaved clients.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c')
| -rw-r--r-- | drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c index dbd36b8..bdd67cf 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_execbuf.c @@ -669,6 +669,15 @@ int vmw_execbuf_ioctl(struct drm_device *dev, void *data, goto out_err; vmw_apply_relocations(sw_context); + + if (arg->throttle_us) { + ret = vmw_wait_lag(dev_priv, &dev_priv->fifo.fence_queue, + arg->throttle_us); + + if (unlikely(ret != 0)) + goto out_err; + } + vmw_fifo_commit(dev_priv, arg->command_size); ret = vmw_fifo_send_fence(dev_priv, &sequence); |