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drm/vmwgfx: Fix a potential infinite spin waiting for fifo idle
authorThomas Hellstrom <thellstrom@vmware.com>
Thu, 28 Aug 2014 09:53:23 +0000 (11:53 +0200)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 5 Nov 2014 20:27:40 +0000 (20:27 +0000)
commit f01ea0c3d9db536c64d47922716d8b3b8f21d850 upstream.

The code waiting for fifo idle was incorrect and could possibly spin
forever under certain circumstances.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reported-by: Mark Sheldon <markshel@vmware.com>
Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
Reivewed-by: Mark Sheldon <markshel@vmware.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

No differences found
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