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(parent: ddab015) | patch
drm/ttm: Fixed a read/write lock imbalance
authorThomas Hellstrom <thellstrom@vmware.com>
Fri, 20 Nov 2015 19:43:50 +0000 (11:43 -0800)
committerBen Hutchings <ben@decadent.org.uk>
Wed, 30 Dec 2015 02:25:59 +0000 (02:25 +0000)
commitad404016553666c23829234b69db4253de46983b
tree298dada1a24068a30db4943a7b65d4c72b81da94tree | snapshot
parentddab0155aa9589600861e3f65d505982b719496acommit | diff
drm/ttm: Fixed a read/write lock imbalance

commit 025af189fb44250206dd8a32fa4a682392af3301 upstream.

In ttm_write_lock(), the uninterruptible path should call
__ttm_write_lock() not __ttm_read_lock().  This fixes a vmwgfx hang
on F23 start up.

syeh: Extracted this from one of Thomas' internal patches.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
drivers/gpu/drm/ttm/ttm_lock.c diff | blob | history
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