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Diffstat (limited to 'drivers/gpu/drm/msm/adreno/a6xx_gmu.h')
-rw-r--r--drivers/gpu/drm/msm/adreno/a6xx_gmu.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
index 3c74f64e3126..84bd516f01e8 100644
--- a/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
+++ b/drivers/gpu/drm/msm/adreno/a6xx_gmu.h
@@ -44,6 +44,9 @@ struct a6xx_gmu_bo {
struct a6xx_gmu {
struct device *dev;
+ /* For serializing communication with the GMU: */
+ struct mutex lock;
+
struct msm_gem_address_space *aspace;
void * __iomem mmio;