drm/msm/a6xx: Serialize GMU communication

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I've seen some crashes in our crash reporting that *look* like multiple
threads stomping on each other while communicating with GMU.  So wrap
all those paths in a lock.

Signed-off-by: Rob Clark <robdclark@chromium.org>

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This commit is contained in:

Rob Clark 2021-09-27 11:00:04 -07:00

parent 654e9c18df

commit f6f59072e8

3 changed files with 43 additions and 6 deletions

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6

drivers/gpu/drm/msm/adreno/a6xx_gmu.c

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3

drivers/gpu/drm/msm/adreno/a6xx_gmu.h

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40

drivers/gpu/drm/msm/adreno/a6xx_gpu.c

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