]> git.baikalelectronics.ru Git - kernel.git/commit
projects / kernel.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 5b7f5e7) | patch
drm/armada: use xchg() to atomically update dplane->old_fb
authorRussell King <rmk+kernel@arm.linux.org.uk>
Wed, 15 Jul 2015 17:11:24 +0000 (18:11 +0100)
committerRussell King <rmk+kernel@arm.linux.org.uk>
Thu, 1 Oct 2015 13:32:52 +0000 (14:32 +0100)
commitd1eb4b4dc5b335781f29bd404bf3987515df7a91
tree602c3b33b5c330dc20495cba33179ce7c53563eetree | snapshot
parent5b7f5e7f77981668139bdb1bc756c15198b8705fcommit | diff
drm/armada: use xchg() to atomically update dplane->old_fb

Rather than using a spinlock, use xchg() to atomically update
dplane->old_fb.  This allows us to eliminate dplane->lock.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
drivers/gpu/drm/armada/armada_overlay.c diff | blob | history
Linux Kernel Source Tree.