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authorAlex Deucher <alexdeucher@gmail.com>2014-05-08 10:58:04 -0400
committerAlex Deucher <alexander.deucher@amd.com>2014-06-02 10:25:02 -0400
commit831719d62f692e28699a7acd7b441c6f0c01b6f7 (patch)
tree7f9bcfe0d74ae6cae476ab9b597b1a6abfd80446 /drivers/gpu/drm/radeon/radeon_mode.h
parent182407a6ed5333fc37dd980a8de91a8f826a94f6 (diff)
drm/radeon: add a i2c bus mutex
The i2c and aux buses use the same pads so add a mutex to protect access to the pads. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Christian König <christian.koenig@amd.com>
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_mode.h')
-rw-r--r--drivers/gpu/drm/radeon/radeon_mode.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 6ddf31a2d34e..b265a8b95fe6 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -191,6 +191,7 @@ struct radeon_i2c_chan {
struct radeon_i2c_bus_rec rec;
struct drm_dp_aux aux;
bool has_aux;
+ struct mutex mutex;
};
/* mostly for macs, but really any system without connector tables */