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    Subject[PATCH 00/14] drm/msm: de-struct_mutex-ification
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    From: Rob Clark <robdclark@chromium.org>

    This doesn't remove *all* the struct_mutex, but it covers the worst
    of it, ie. shrinker/madvise/free/retire. The submit path still uses
    struct_mutex, but it still needs *something* serialize a portion of
    the submit path, and lock_stat mostly just shows the lock contention
    there being with other submits. And there are a few other bits of
    struct_mutex usage in less critical paths (debugfs, etc). But this
    seems like a reasonable step in the right direction.

    Rob Clark (14):
    drm/msm: Use correct drm_gem_object_put() in fail case
    drm/msm: Drop chatty trace
    drm/msm: Move update_fences()
    drm/msm: Add priv->mm_lock to protect active/inactive lists
    drm/msm: Document and rename preempt_lock
    drm/msm: Protect ring->submits with it's own lock
    drm/msm: Refcount submits
    drm/msm: Remove obj->gpu
    drm/msm: Drop struct_mutex from the retire path
    drm/msm: Drop struct_mutex in free_object() path
    drm/msm: remove msm_gem_free_work
    drm/msm: drop struct_mutex in madvise path
    drm/msm: Drop struct_mutex in shrinker path
    drm/msm: Don't implicit-sync if only a single ring

    drivers/gpu/drm/msm/adreno/a5xx_gpu.c | 4 +-
    drivers/gpu/drm/msm/adreno/a5xx_preempt.c | 12 +--
    drivers/gpu/drm/msm/adreno/a6xx_gpu.c | 4 +-
    drivers/gpu/drm/msm/msm_debugfs.c | 7 ++
    drivers/gpu/drm/msm/msm_drv.c | 15 +---
    drivers/gpu/drm/msm/msm_drv.h | 19 +++--
    drivers/gpu/drm/msm/msm_gem.c | 76 ++++++------------
    drivers/gpu/drm/msm/msm_gem.h | 53 +++++++++----
    drivers/gpu/drm/msm/msm_gem_shrinker.c | 58 ++------------
    drivers/gpu/drm/msm/msm_gem_submit.c | 17 ++--
    drivers/gpu/drm/msm/msm_gpu.c | 96 ++++++++++++++---------
    drivers/gpu/drm/msm/msm_gpu.h | 5 +-
    drivers/gpu/drm/msm/msm_ringbuffer.c | 3 +-
    drivers/gpu/drm/msm/msm_ringbuffer.h | 13 ++-
    14 files changed, 188 insertions(+), 194 deletions(-)

    --
    2.26.2

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