Re: [Linaro-mm-sig] [PATCH 00/11] drm/msm: drm scheduler conversion and cleanups

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Am 20.07.21 um 16:07 schrieb Daniel Vetter:
On Mon, Jul 19, 2021 at 10:40:57AM +0200, Christian König wrote:
Am 17.07.21 um 22:29 schrieb Rob Clark:
From: Rob Clark <robdclark@xxxxxxxxxxxx>

Conversion to gpu_scheduler, and bonus removal of
drm_gem_object_put_locked()
Oh yes please!

If I'm not completely mistaken that was the last puzzle piece missing to
unify TTMs and GEMs refcount of objects.
Why does drm/msm, a driver not using ttm at all, block ttm refactorings?
We can just check whether the TTM using driver is potentially using locked
final unref and have a special version of
drm_gem_object_put_guaranteed_unlocked or whatever the bikeshed will look
like, which doesn't have the migth_lock.

Because we now don't have any unrealistic lock inversion between dev->struct_mutex and obj->resv lockdep can complain any more.

Cheers,
Christian.


Anyway, deed is done now :-)
-Daniel

Only problem is that I only see patch 7 and 9 in my inbox. Where is the
rest?

Thanks,
Christian.

Rob Clark (11):
    drm/msm: Docs and misc cleanup
    drm/msm: Small submitqueue creation cleanup
    drm/msm: drop drm_gem_object_put_locked()
    drm: Drop drm_gem_object_put_locked()
    drm/msm/submit: Simplify out-fence-fd handling
    drm/msm: Consolidate submit bo state
    drm/msm: Track "seqno" fences by idr
    drm/msm: Return ERR_PTR() from submit_create()
    drm/msm: Conversion to drm scheduler
    drm/msm: Drop struct_mutex in submit path
    drm/msm: Utilize gpu scheduler priorities

   drivers/gpu/drm/drm_gem.c                   |  22 --
   drivers/gpu/drm/msm/Kconfig                 |   1 +
   drivers/gpu/drm/msm/adreno/a5xx_debugfs.c   |   4 +-
   drivers/gpu/drm/msm/adreno/a5xx_gpu.c       |   6 +-
   drivers/gpu/drm/msm/adreno/a5xx_power.c     |   2 +-
   drivers/gpu/drm/msm/adreno/a5xx_preempt.c   |   7 +-
   drivers/gpu/drm/msm/adreno/a6xx_gmu.c       |  12 +-
   drivers/gpu/drm/msm/adreno/a6xx_gpu.c       |   2 +-
   drivers/gpu/drm/msm/adreno/a6xx_gpu_state.c |   4 +-
   drivers/gpu/drm/msm/adreno/adreno_gpu.c     |   6 +-
   drivers/gpu/drm/msm/msm_drv.c               |  30 +-
   drivers/gpu/drm/msm/msm_fence.c             |  39 ---
   drivers/gpu/drm/msm/msm_fence.h             |   2 -
   drivers/gpu/drm/msm/msm_gem.c               |  91 +-----
   drivers/gpu/drm/msm/msm_gem.h               |  37 ++-
   drivers/gpu/drm/msm/msm_gem_submit.c        | 300 ++++++++++++--------
   drivers/gpu/drm/msm/msm_gpu.c               |  50 +---
   drivers/gpu/drm/msm/msm_gpu.h               |  41 ++-
   drivers/gpu/drm/msm/msm_ringbuffer.c        |  70 ++++-
   drivers/gpu/drm/msm/msm_ringbuffer.h        |  12 +
   drivers/gpu/drm/msm/msm_submitqueue.c       |  49 +++-
   include/drm/drm_gem.h                       |   2 -
   include/uapi/drm/msm_drm.h                  |  10 +-
   23 files changed, 440 insertions(+), 359 deletions(-)





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