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Dave Airlie 5078540360 drm/radeon: add locking around atombios scratch space usage 
commit 1c94984254 upstream.

While developing MST support I noticed I often got the wrong data
back from a transaction, in a racy fashion. I noticed the scratch
space wasn't locked against concurrent users.

Based on a patch by Alex, but I've made it a bit more obvious when
things are locked.

Signed-off-by: Dave Airlie <airlied@redhat.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
History 2014-11-27 11:21:43 +00:00
..
drm drm/radeon: add locking around atombios scratch space usage 2014-11-27 11:21:43 +00:00
host1x gpu: host1x: Rename internal functions for clarity 2014-06-05 23:10:30 +02:00
ipu-v3 Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux 2014-06-12 11:32:30 -07:00
vga vgaarb: Don't default exclusively to first video device with mem+io 2014-10-09 12:23:49 -07:00
Makefile gpu: ipu-v3: Move i.MX IPUv3 core driver out of staging 2014-06-04 11:06:52 +02:00