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| author | Alex Deucher <alexander.deucher@amd.com> | 2013-09-03 18:19:42 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2013-09-11 11:44:28 -0400 |
| commit | fe78118c4603ab91b88907eaabe4a1ca03a9f220 (patch) | |
| tree | 7c84a0664723ac52194413f76d2caf9eff71ee68 /drivers/gpu/drm/radeon/rs600.c | |
| parent | 136de91ea760b55bd52b707c1443f121e006962e (diff) | |
drm/radeon: protect concurrent smc register access with a spinlock
smc registers are access indirectly via the main mmio aperture, so
there may be problems with concurrent access. This adds a spinlock
to protect access to this register space.
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/rs600.c')
0 files changed, 0 insertions, 0 deletions